Branson 3015r Owner's Manual
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Branson 3015r Owner's Manual

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Table of Contents

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This manual is to provide servicing personnel with extensive information on the structure, service procedure,
removal and installation procedure, disassembly, troubleshooting and more for the 3015R(h)/3515R(h)/
4015R(h) and F36R(h)/F42R(h) tractor with high-end technology to ensure precise and rapid service.
Most accidents are resulted from negligence in safety precautions and directions, so it is very necessary to
follow such precautions and directions to avoid any safety accident beforehand. Service technicians should
provide quality service to prevent any safety accident and enhance customer satisfaction so they should fully
understand the service procedure, methods, inspection points and safety precautions for accurate service.
To ensure optimum condition of your tractor, it is highly recommended to use only BRANSON genuine parts
which are manufactured under strict quality assurance policy for premium quality, durability and reliability.
BRANSON is always committed to provide best quality products through extensive research, study and
development.
Information in this manual is subject to change without notice for improvement of the product.
Please keep this manual in a safe place. If there is any typo, incorrect information or question about this
manual, feel free to contact BRANSON.
※ Remark
This manual does not contain all accidents and preventive measures that can occur during ser-
vice. Make sure to have this tractor serviced only by professional technicians with care.
Use only genuine parts, including engine oil and transmission fluid, specified in this manual. Oth-
erwise, it can affect the tractor's performance seriously.
Never attempt to duplicate contents and figures in this manual without prior approval by BRANSON.
PREFACE
(Jan, 2016)
BRANSON TRACTORS Co. Ltd.

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Summary of Contents for Branson 3015r

  • Page 1 To ensure optimum condition of your tractor, it is highly recommended to use only BRANSON genuine parts which are manufactured under strict quality assurance policy for premium quality, durability and reliability.
  • Page 2 MEANINGS OF SAFETY SYMBOLS Precautions and instructions described in this manual and safety decals, such as DANGER, WARNING and CAUTION decals, are important for your and machine's safety. If these instructions are not followed, you and the vehicle can be severely injured and damaged. Read such precautions and instructions carefully for your safety.
  • Page 3 HOW TO USE THIS MANUAL 1. Target readers This manual is intended for technicians with mid to high level of service knowledge and skills for BRANSON tractors. Make sure to understand this manual fully for rapid and accurate inspection and service.
  • Page 4 HOW TO USE THIS MANUAL ① Chapter This indicates the current chapter. ② Body G enerally, figures and diagrams are placed in the upper section of a page while information and description are set in the lower section. However, a large table or diagram may take a whole page. Each figure is assigned with a figure number and a large figure may be set in a A3-size page like a circuit diagram. ③ Model name This indicates the corresponding model.
  • Page 5 TABLE OF CONTENTS ◆ GENERAL INFORMATION ................◆ ENGINE ......................◆ CLUTCH [MEC. MODEL] ................◆ TRANSMISSION .................... ◆ FRONT AXLE ....................◆ HYDRAULIC SYSTEM .................. ◆ ELECTRIC SYSTEM ..................◆ INDEX ......................

  • Page 7: Table Of Contents

    Chapter 1 General InformatIon taBle of ContentS 1. General InformatIon for ServICe ..1-2 6. ComponentS of traCtor ....1-17 1.1 For safe operation........1-2 6.1 Front and rear exterior view ....1-17 1.1.1 Work place ........1-2 6.2 Interior view ......... 1-18 1.1.2 Working clothes and 7. traCtor SpeCIfICatIonS ....1-20 other safety gears .

  • Page 8: General Information For Service

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 1. General InformatIon for ServICe 1.1 for Safe operatIon 1.1.1 Work plaCe 6015W101A 6015W102A danGer CaUtIon Sufficient ventilation: The work place should be properly illuminated.  When grinding or sanding a painted surface or ...

  • Page 9: Working Clothes And Other Safety Gears

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 1.1.2 WorkInG ClotheS and other SafeTY gearS 1.1.3 tool 6015W104A 6015W105A CaUtIon danGer Wear proper working clothes to ensure your Have a proper support and lifting equipment   safety. ready always. Make sure to wear working clothes, safety hat,...

  • Page 10: Standard Parts, Lubricant, Grease And Oil

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 1.1.4 STandard parTS, lUbrIcanT, 1.1.6 torqUe part GreaSe and oIl 6015W107A 6015W109A CaUtIon WarnInG Use only the specified standard parts. follow the torque specified in this manual. [Otherwise] It can shorten the service life and [Otherwise] It can cause a serious accident.

  • Page 11: Safety During Service

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 1.1.8 SafeTY dUrIng ServIce K20W150A K20W152A WarnInG CaUtIon Keep flammables away during fueling Stop the engine during inspection and service Keep flammables, such as a cigarette, match make sure to stop the engine during inspec- ...

  • Page 12: Waste Disposal

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 1.1.9 WaSte dISpoSal K20W154A K20W156A danGer WarnInG Keep flammables away during battery inspection If waste is not disposed properly, it can pollute the environment and destroy the ecosystem. Keep flammables away from the vehicle while ...

  • Page 13: Location Of Decals

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 2. loCatIon of deCalS To ensure safe work, check the location of the safety decals and always keep the safety precautions. Keep the safety decals intact. If any decals is damaged or missing, attach a new decal. 1, 2, 3 4, 5, 6 7, 8 14, 15, 16 12, 13 10, 11 F42W105A 42hW-201601...
  • Page 14 Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor (1) No.: TA00036924A (4) No.: TA00040603A [MEC. MODEL] WARNING Clutch pedal Locker SURFACE Stopper For the long storage, please lock clutch pedal in the both Traction and PTO clutch are disengaged position TA00040603A (2) No.: TZE5130000C4 (5) No.: TZE4190000C4 DIESEL ONLY TZE4190000C4 (6) No.: TZE5110000B4 DANGER...
  • Page 15 Chapter 1 General InformatIon (8) No.: TZE5170000B3 TO AVOID PERSONAL INJURY OR DEATH FROM ROLL-OVER; 1. BRANSON recommends the use of a Roll-Over Protective Structures(ROPS) and seat belt in almost all applications 2. Remove the ROPS only when it substantially interferes with operation or itself presents a safety risk.
  • Page 16 Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor (12) No.: TZE4100000B4 [MEC. MODEL] (15) No.: NTE5210000C4 WARNING CONNECT THE LEFT BRAKE WITH RIGHT BRAKE WHILE ON THE ROAD CONNECT ROD DISCONNECT CONNECT TZE4100000B4 DEATH OR INJURY MAY RESULT IF THE TRACTOR ROLLS OVER WITH THE ROPS IN THE FOLDED DOWN POSITION.

  • Page 17: General Information For Maintenance

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 3. General InformatIon for maIntenanCe 3.1 tIGhtenInG torqUe 3.1.1 hex. Bolt Unit: N.m (kgf.m) [lbf.ft] Item no Grade or 4 t 8.8 t 10.9 t 12.9 t 8.8 (0.9) (1.1) (0.9) (1.3) (1.4) [6.4] [8.1] [10] (2.0) (2.6)

  • Page 18: Oil, Grease, Fuel And Coolant Specifications

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 3.2 OIl, greaSe, fUel and cOOlanT SpecIfIcaTIOnS capacITY Item SpeCIfICatIon remarkS meC. model hSt model Fuel 27 ℓ (7.13 u.s. gal) Diesel fuel (KS 2) Summer: S, Winter: W 3015R(h)/3515R(h)/4015R(h) (Final Final Tier4): Grade CJ or higher Engine oil 4.3 ℓ (1.14 u.s. gal) SAE15W-40 F36R(h)/F42R(h) (StageⅢA): Grade CG or higher High load No. 2 of Grease Small amount Multi-purpose KSM 2130 Radiator : 5.0 ℓ (1.32 u.s. gal) BRANSON genu- Coolant No. 2 of KSM 2142, permanent use...

  • Page 19: Using Standard Part And Adhesive

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 3.4 USInG Standard part and adheSIve Snap ring for shaft Snap ring for hole Section applied with force 6015W113A 6015W115A Replace the split pin with a new one and fix it firmly. Oil groove 6015W114A When replacing a worn or damaged part, use a new part that meets the international standard. 6015W116A When replacing a packing or O-ring, fit a new When the oil grooves are engaged with the one. Before installation, apply grease to the...
  • Page 20 Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 3 - 3.5 mm Scraper Liquid sealant Tool Apply 6015W117A 6015W119A Use a liquid sealant removal scraper (flat) to CaUtIon remove any sealant left on the case. Make sure Spread liquid sealant. Otherwise, it can leak. not to make any scratch bigger than 0.3 mm apply sealant to the inner side of the attached (0.012 in). If the surface is scratched, grind it with...

  • Page 21: Inspection And Corresponding Action

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 4. InSpeCtIon and CorreSpondInG aCtIon CaUtIon To inspect or service the tractor, stop the engine on level ground, apply the parking brake and chock  the wheels in advance. 4.1 daIlY InSpecTIOn To prevent any future problem, it is important to be aware of the condition of the tractor. Therefore, check the followings before starting the engine: 4.1.1 CheCkInG Work plaCe...

  • Page 22: General Information For Service

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 5. General InformatIon for ServICe 5.1. macHIne HISTOrY and InfOrmaTIOn If you have any question or want to ask for service, check the operating hours, serial number, engine number and engine model of the tractor. 5.1.1 SerIal nUmBer 5.1.3 enGIne nUmBer F42W101A F42W103A Example : CSDE00001 Example : TANE0002 It is specified on the serial number decal which is The engine number is stamped on the cylinder block attached on the front right side of the front axle bracket.

  • Page 23: Components Of Tractor

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 6. ComponentS of traCtor 6.1 front and rear exterIor vIeW F42W106A (1) Head lamp (5) Turn signal lamp (9) Draw bar hitch assembly (2) Handle (6) ROPS assembly (10) Lower link (3) Side step (7) Combination lamp (4) Rear view mirror (8) Top link 42hW-201601...

  • Page 24: Interior View

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 6.2 InterIor vIeW meC. model F42W108A F42W109A (1) Shuttle lever (7) Clutch pedal (13) Differential lock pedal (2) Turn signal/Light switch (8) Brake pedal (14) Stop valve knob (3) PTO ON/OFF switch (9) Accel. pedal (15) 4WD lever (4) Emergency switch Emergency switch (10) Parking brake lever (16) Range gear shift lever (5) Main switch (11) Main gear shift lever (17) PTO gear shift lever (6) Accel. lever (12) Position control lever 42hW-201601...
  • Page 25 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon hSt model A42W101A A42W102C (1) Brake pedal (7) Emergency switch (13) 4WD lever (2) Parking brake lever (8) Main switch (14) Parking brake lever (3) Turn signal light switch (9) HST pedal (Forward) (15) Range gear shift lever (4) Accelerator lever Accelerator lever (10) HST pedal (Reverse) (16) Seat adjust lever (5) Cruise switch (11) Position control lever (17) PTO gear shift lever (6) PTO ON/OFF switch (12) Stop valve knob 42hW-201601...

  • Page 26: Tractor Specifications

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 7. traCtor SpeCIfICatIonS 7.1 exterIor dImenSIonS F42W107A SIze mm (in.) Model 2,614 1,671 3,426 306 1,151 1,151 1,431 3015R(h)/3515R(h)/F36R(h) (102.9) (65.79) (134.88) (12.05) (45.31) (45.31) (56.34) 2,643 1,671 3,426 335 1,201 1,165 1,451 4015R(h)/F42R(h) (104.06) (65.79)

  • Page 27: Major Specifications

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 7.2 major SpeCIfICatIonS major ItemS 3015r(h) 3515r(h)/f36r(h) 4015r(h)/f42r(h) Model A1700N5 A1700N4 A1700T2 Type Vertical, water cooled 4-cycle, diesel engine Emission regulation Final Tier4 Final Tier4 / StageⅢ� � Final Tier4 / StageⅢ� � Number of cylinders Bore and stroke mm (in.) 88 X 94 (3.46 X 3.70) Total displacement cc (in 1,714 (104.59) (104.59) (104.59) Rated speed (rpm) 2,600 Power at rated engine rpm...
  • Page 28 Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor major ItemS 3015r(h) 3515r(h)/f36r(h) 4015r(h)/f42r(h) Hydraulic lift control Position / Draft control Pump flow capacity 3-point hitch CAT.1 Max. lift force (at lifting point) 1,500 PTO (hydraulic) Ø 35 mm - 6 splines Revolution (rpm) Draft system Pin mounting type MEC. MODEL: 1 .22 ~ 23.69 MEC. MODEL: 1.2 ~ 22.6 (0.7 ~ 14.1) (0.76 ~ 14.72) Forward km/h(MPH) HST MODEL: 0 ~ 29.27 (0 ~ 18.18) HST MODEL: 0 ~ 30.7 (0 ~ 19.07) Driving speed MEC. MODEL: 1 .16 ~ 22.54 MEC. MODEL: 1.1 ~ 21.5 (0.7 ~ 13.4) (0.72 ~ 14.01)

  • Page 29: Driving Speed

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 7.3 drIvInG Speed meC. model Speed ShIft poSItIon forWard drIvInG reverSe drIvInG model ranGe ShIft maIn ShIft km/h km/h 1.2 0.7 1.1 0.7 1.7 1.1 1.6 1.0 2.2 1.4 2.1 1.3 2.7 1.7 2.6 1.6...

  • Page 30: Periodic Inspection

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8. perIodIC InSpeCtIon 8.1 perIodIC maIntenanCe SChedUle taBle rUnnInG OperaTIng HOUr (HOUr Or Year) hoUrS 100 150 200 250 300 350 400 450 500 550 600 650 700 1Yr 2Yr ItemS Engine oil  ●...
  • Page 31 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon rUnnInG OperaTIng HOUr (HOUr Or Year) hoUrS 100 150 200 250 300 350 400 450 500 550 600 650 700 1Yr 2Yr ItemS Greasing ● ● ● ● ● ● ● ● ● ●...

  • Page 32: Inspection Description

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2 InSpeCtIon deSCrIptIon 8.2.1 fUelInG Into fUel tank CaUtIon CaUtIon When fueling, be careful not to spill fuel and  3015r/3515r/4015r watch out for any smoke or flame around. make sure to fuel only with the engine stopped.

  • Page 33: Checking Engine Oil

    Hot coolant or steam from the pressurized   only engine oil specified by branSOn. (Sae cooling system can be surged leading to a 15W-40, final Tier4: grade cJ or higher, Stage serious scald. make sure to stop the engine : grade cg or highe before checking the coolant level.

  • Page 34: Checking Lamps

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.4 CheCkInG lampS 8.2.6 CleanInG radIator dUSt GrIll CaUtIon check and clean the dust grill after stopping  the engine. F42W114A Check the head lamps, turn signal lamps and brake lamps. If any lamp is malfunctioning or damaged, A42W109A replace it with a new one.

  • Page 35: Changing Engine Oil

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 8.2.8 ChanGInG enGIne oIl CaUtIon make sure to stop the engine before chang-  ing engine oil. make sure that the engine is sufficiently  cooled down enough to touch by a hand. F42W120A 5. Run the engine for a while and check the oil filler...

  • Page 36: Replacing Engine Oil Filter

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.9 replaCInG enGIne oIl fIlter 8.2.10 replacIng HST fIlTer [HST mOdel] CaUtIon be sure to use the only branSOn genuine  oil filter not to damage the engine. replace the oil filter only after the engine is stopped and cooled down.

  • Page 37: Replacing Transmission/Hydraulic Filter

    Park the tractor on level ground and lower the ter the engine is stopped and cooled down. implement onto the ground. be sure to use the branSOn genuine oil fil-  Stop the engine, remove the ignition key and ter to keep the transmission intact.

  • Page 38: Adjusting Clutch Pedal [Mec. Model]

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.13 adJUSTIng clUTcH pedal [mec. mOdel] Check that the clutch pedal moves by itself when depressing it slightly and releasing it. F42W125A Add transmission fluid/hydraulic oil into the transmission case through its filler hole (3). F42W127A Run the engine for a moment to activate the hydraulic pressure function. Stop the engine.

  • Page 39: Adjusting Brake Pedal

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 8.2.14 adjUStInG Brake pedal 8.2.15 adjUStInG fan Belt tenSIon Release the parking brake. CaUtIon meC. model Stop the engine before adjusting the tension  of the fan belt. When adjusting the fan belt tension, be care- ...

  • Page 40: Checking Fuel Line

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.16 CheCkInG fUel lIne 8.2.17 CleanInG aIr Cleaner element F42W133A F42W132A Open the air cleaner cover (1) and pull out the air Check the fuel line (1) and clamp for leakage. cleaner element. If any abnormal condition is found, replace the corresponding part with a new one. CaUtIon If replacing the fuel line, make sure to bleed the fuel system.

  • Page 41: Battery

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 8.2.18 baTTerY 8.2.19 CheCkInG radIator and Intake hoSeS meC. model F42W136A F42W135A hSt model F42W137A A42W106A CaUtIon Keep any spark or flame away from the bat-  tery. It can cause explosion with its gas.

  • Page 42: Applying Grease

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.20 applYIng greaSe F42W140A F42W141A F42W139A F42W142A F42W143A 1. Apply grease every 50 hours of use. 2. Check the target positions and apply a proper amount of grease on them before beginning your work. Make sure to apply grease on them especially after working in a wet field. • Grease applied components - Front/Back of front axle bracket (1) - Left/Right of front axle (2) - Left/Right of front axle (2)

  • Page 43: Adding Anti-Freeze

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 8.2.21 addInG antI-freeze CaUtIon never remove the cap when the coolant tem-  perature is over the boiling point. To release pressure, unscrew the radiator cap (1) slight- ly. Then, unscrew it completely. never pour cold water or coolant onto the ...

  • Page 44: Fuse And Relay

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.22 fUSe and relaY Item SpeCIfICatIon deSCrIptIon Fuse 1 Panel Fuse 2 20 A Brake lamp Fuse 3 Battery charge Fuse 4 Glow/Heat Fuel pump [MEC. MODEL] Fuse 5 Fuel pump, Stop solenoid [HST MODEL] Fuse 6 20 A Spare Fuse 7 10 A Spare meC. model Fuse 8 Spare Fuse 9 20 A Head lamp...

  • Page 45: Tire Inflation Pressure

    3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor Chapter 1 General InformatIon 8.2.23 tIre InflatIon preSSUre 8.2.25 adjUStInG front Wheel toe-In Per formance and expectancy of life of tires depend on maintaining tire's inflation pressure properly. If tire inflation pressure is insufficient, it can cause premature wear. If it is excessive, it can reduce traction and increase wheel slip.

  • Page 46: Tightening Wheel Bolt

    Chapter 1 General InformatIon 3015r(h)/3515r(h)/4015r(h)/f36r(h)/f42r(h) traCtor 8.2.26 tIGhtenInG Wheel Bolt F42W150A Tighten all the bolts on the wheel after initial 4 and 8 hours of operation. Then, check tightness of the bolts every 100 hours of use. Item torqUe valUe 18 - 20 kg.m Hub bolt (130 - 144 lb.ft) (176 ~ 196 N.m) 22 - 24 kg.m Rim disc mounting (158 - 173 lb.ft) bolt (216 ~ 235 N.m) 17 - 21 kg.m Hub bolt (1) (122 - 151 lb.ft) (167 ~ 206 N.m) 17 - 21 kg.m...
  • Page 47 Chapter 2 enGIne taBLe OF COntentS 1. exterIOr and nameS OF partS ..2-3 4.4.3 DPF Check LED Lamp....2-24 1.1 Specification..........2-3 4.4.4 CAN communication....... 2-27 1.2 Engine dimensions........2-4 4.4.5.PC RS232 communication (Low speed . data download and Reprogram)..2-29 1.3 Name of each part.
  • Page 48 OF COntentS 6.2.5 After-Treatment Device (ATD) . 6.4.2 Cylinder block ........ 2-84 [3015R(h)/3515R(h)/4015R(h)]..2-66 6.4.3 Crankshaft........2-84 6.2.6 Exhaust manifold......2-66 6.4.4 Piston and Connecting rod..... 2-85 6.2.7 Fuel injection pipes......2-67 6.4.5 Gear case flange......2-86 6.2.8 Fuel drain line.........

  • Page 49: Exterior And Names Of Parts

    1.1 SpeCIFICatIOn 3015r(h)/3515r(h)/4015r(h) F36r(h)/F42r(h) K25W225A F42W220A a1700n5 a1700n4 a1700t2 Type Vertical Water-Cooled 4 Cycle Diesel Engine 3015R(h)/3515R(h)/4015R(h): EPA Final Tier4 Emission Regulation F36R(h)/F42R(h): StageⅢA Power Category: 19≤kW<37) No. of Cylinders Bore × Stroke 88×94 Displacement 1,715 Combustion System IDI (Indirect Injection)

  • Page 50: Engine Dimensions

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 1.2 enGIne dImenSIOnS 3015r(h)/3515r(h)/4015r(h) a1700t2 F42W221A a1700n4/n5 F42W222A 42hw-201601...
  • Page 51 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne F36r(h)/F42r(h) a1700t2 F42W223A a1700n4 F42W224A 42hw-201601...

  • Page 52: Name Of Each Part

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 1.3 name OF eaCh part F42W225A (1) Fuel filter (6) Alternator (9) Starter motor (2) Intake manifold (7) After-treatment device . (10) Flywheel [3015R(h)/3515R(h)/4015R(h)] (3) Water pump (11) Turbo chager (8) DP sensor . (4) Oil filter...

  • Page 53: Emissions Regulations

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h) 1.4 emISSIOnS reGuLatIOnS Each country conducts the emissions regulations on non-road diesel engine to prevent environmental contamination. The regulations values and enforcement time are different by each power category. In U.S, the EPA emissions regulations must be satisfied.

  • Page 54: Warranty Condition Of

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 1.4.3 warranty COndItIOn OF emISSIOn reGuLatIOnS vaLue In the maintenance of engine, make sure the warranty conditions are observed and at the same time maintenance considers degradation as time goes by next maintenance. The case of EPA certificate engine should observe as following conditions in order to keep emission regulations.

  • Page 55: Main Function And Periodic Check

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 2. maIn FunCtIOn and perIOdIC CheCk 2.1 perIOdIC CheCkLISt Periodic checks and maintenance are very important for keeping the engine in optimum condition. The check contents and timing indicate in below table. So be sure to observe.

  • Page 56: Check The Main Function

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 2.2 CheCk the maIn FunCtIOn • Check the main function is the best way for performance guarantee and long life of engine. Please note the following information to the engine to maintain. 2.2.1 vISuaL CheCk •...

  • Page 57: Fuel

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 2.2.3 FueL • The characteristics of diesel engine fuel (Cetane, specific gravity, viscosity, etc) has a effect on engine start, power out, fuel consumption, the functionality of a chain of fuel, knock, emission, etc. Use the fuel that has Cetane value 40-48 and use a lower viscosity at low temperature.

  • Page 58: Coolant

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 2.2.4 COOLant • Replace the fuel filter: every 500hrs. • The coolant must use the soft water (such as tap water, etc). Hard water such as well water If water or dust is deposits in fuel, replace the causes scale deposits on the coolant system.

  • Page 59: V-Belt

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 2.2.5 v-BeLt. 2.2.6 every 50hrS CheCk 1. Replace the lubricating oil and oil filter: Replace the lubricating oil and oil filter at the first 50hrs. 2. Check the tension of the V-belt. 2.2.7 CheCk every 250hrS 1.

  • Page 60: Defect Diagnosis And Management

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 3. deFeCt dIaGnOSIS and manaGement trOuBLe CauSe repaIrInG 1) If discharged, charging or replace. 2) If lack of the capacity 1) Lack of battery capacity because of the cold weather, raise slowly the temperature, or charging, replace.
  • Page 61 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne trOuBLe CauSe repaIrInG 8) Connection area of high pressure pipe is Re-tighten loose. 9) Injection pump sticking. Correction or replace. 10) Spray failure of Injection valve. Correction or replace Engine starts but will not 11) Inappropriate injection pressure.
  • Page 62 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr trOuBLe CauSe repaIrInG 1) Coolant shortage or fur forms Refill or clean up 2) Fan is loose, damage, or not balanced Correction or replace 3) Water pump performance degradation. Correction or replace 4) Valve clearance unsuitable...
  • Page 63 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne trOuBLe CauSe repaIrInG Check and if necessary, 1) Fuel leak replace the all pipe and re- tighten connection area. - Twisting, crushing of the return line is checked. Defective parts are replaced. 2) Clogging the return pipe or hose...
  • Page 64 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr trOuBLe CauSe repaIrInG 1) Mismatch the injection timing. Correction 2) Injection pressure failure Correction 3) Failure of the injection function. Disassembly& Correction 4) Shortage of the intake air Clean the air cleaner Engine knocking 5) Lubricating oil enter into the .

  • Page 65: Dpf System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h) 4. dpF SyStem This section explains how to operate the DPF 4.2 dpF data LOGGer systems and help maintenance methods according 4.2.1 InStaLLatIOn to warning alarm levels. This data logger enables It can be operated the date in initial installation...

  • Page 66: Features (Input / Output)

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.3 FeatureS (Input / Output) 4.3.1 data LOGGer SpeCIFICatIOn Item SpeC Input Current Range Maximum 200mA (Using Ignition key battery) Input Voltage Range 7V.~.18V Leakage current DPS sensor power supply Maximum 50mA, 5V±0.2V DPS Sensor 0.~.5V...

  • Page 67: Electric Specification

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 4.4 eLeCtrIC SpeCIFICatIOn 4.4.1 dpS SenSOr IntrOduCtIOn Check the pressure difference between DPF inlet and outlet to measure the collected SOOTs CIrCuIt K25W236A taBLe NOMINAL OUTPUT CHARACTERISTICS DIFFERENTIAL PRESSURE (kPaD) K25W237A 42hw-201601...

  • Page 68: Egts Sensor (Exhaust Gas Temperature Sensor)

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.4.2 eGtS SenSOr (exhauSt GaS temperature SenSOr) dIaGnOStICS IntrOduCtIOn The following sensor diagnostics are when the Check the temperature of the exhaust gas from sensor is properly connected with a 5kohm pull-up DPF and data logger records the temperature of the load to Vcc.
  • Page 69 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne taBLe part CheCk Rs = R1 + R0 (1 + αT + βT Logger α = 3.8285 10 β = 3.8285 10 1Kohm t (°C) Rs (Ω) uO (v) 169.7 0.725 185.1 0.781 EGTS 200.5 0.835...

  • Page 70: Dpf Check Led Lamp

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.4.3 dpF CheCk Led Lamp IntrOduCtIOn Check lamp to show the DPF conditions. CIrCuIt K25W242A wIrInG IG KEY Logger K25W243A 42hw-201601...
  • Page 71 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne dpF Lamp On/OFF • If IGNITION KEY ON: Lamp ON for 1 sec danGer LeveL COndItIOn Lamp dISpLay 1..△P > setting values(Pressure, time) It means DPF is clogged with Particular. EMERGENCY Continuous 2. EGTS > setting value(Temp. time) It means that DPF almost melt.
  • Page 72 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K25W244A *) DPF Cleaning: DPF check lamp blinking in every 2 seconds indicates that engine operation hour exceed setting value to make alarm for DPF cleaning maintenance. DPF check lamp will turn off if “Cleaning” is selected via scanner after DPF cleaning.

  • Page 73: Can Communication

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 4.4.4 Can COmmunICatIOn IntrOduCtIOn A circuit connecting to scanner, which helps check a condition of DPF and repair. CIrCuIt K25W245A wIrInG SCANNER Logger OBDII connector TLE 6250 HIGH SCAN -TOOL SIDE CONN tranceiver 120 ohm...
  • Page 74 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr SCanner CheCk 1) Connect scanner tool to OBDII terminal in IG key off or on 2) Ignition key on 3) Press a power button on scanner 4) SCANNER – 1] DIAGNOSTIC - 4] Engine - 1] DPF Logger - 1] Auto check 5) It indicates an error between Logger and CAN communication when displaying “00”...
  • Page 75 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 4.4.5 pC rS232 COmmunICatIOn (LOw Speed data dOwnLOad and reprOGram) IntrOduCtIOn A circuit connecting to scanner, which helps check a condition of DPF and repair. 1) Using 4 pins connecter between RS232 connecter and Data logger connector...

  • Page 76: Pc Usb2 Communications

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.4.6 pC uSB2 COmmunICatIOnS (hIGh Speed data dOwnLOad) IntrOduCtIOn High speed downloading tool for DPF engineer only 1) Maximum length of USB connector should not exceed 200 mm and it has 6 pin connector only 2) Need 4 pin connecter ((USB2 power supply, USB2 ground, USB2_POSI, USB2_NEG) for high speed download in option and it does not connect to wire-harness.

  • Page 77: Running Temperature Range

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 4.5 nOte 4.6 warranty 4.5.1 runnInG temperature ranGe 4.6.1 we Guarantee dpF data LOGGer FOr 5 yearS aFter ShIpment • -40°C ~ 105°C 4.5.2 CaSe: water-prOOF CaSe 42hw-201601...

  • Page 78: Sectional View For Major Components

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5. SeCtIOnaL vIew FOr majOr COmpOnentS 5.1 CyLInder BLOCk a1700n4_etr a1700n4_utr_4 K25W2A61A COmpOnentS (1) Block ass’y, cylinder (9) Plug 50 (17) Bearing ass’y, thrust (2) Block, cylinder (10) Plug pt 1/4 (20) Gasket, head (3) Bearing cap 1...
  • Page 79 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne a1700t2_etr a1700t2_utr_4 F42W201A COmpOnentS (1) Cylinder block ass’y (8) Plug, Ø12 (20) Head gasket (2) Cylinder block (9) Plug, Ø50 (21) Cylinder head bolt(long) (3) Bearing cap(1) (10) Tapper plug, pt 1/4 (23) Tapper plug, pt 1/8...

  • Page 80: Gear Case

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2 Gear CaSe a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 F42W202A COmpOnentS (1) Flange, gear case (9) Cover (20) Flange bolt, M8 × L22 (2) Stud bolt, M8 X L22 (10) Packing (21) Flange bolt, M8 × L60...

  • Page 81: Flywheel Housing And Oil Pan

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.3 FLywheeL hOuSInG and OIL pan a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 K25W2A61A COmpOnentS (1) Paraller pin (7) Lower cover (13) Oil seal housing ass’y (2) Flange mounting (8) Knock pin (14) Oil seal housing (3) Flange bolt, M8 X L25 (9) Flange bolt, M8×L12...

  • Page 82: Cylinder Head And Head Cover

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.4 CyLInder head and head COver a1700n4_etr a1700n4_utr_4 K25W2A63A COmpOnentS (1) Head ass’y, cylinder (15) Spring, valve (28) Circlip (41) Hose, palin (2) Head, cylinder (16) Retainer, valve spring (29) Bolt, stud (42) Clip, hose 20...
  • Page 83 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne a1700t2_etr a1700t2_utr_4 F42W203A COmpOnentS (1) Head ass’y, cylinder (16) Retainer, valve spring (30) Washer 12 (44) O-ring (P) (2) Head, cylinder (17) Cotter, valve spring (31) Cover, head (45) Lift (3) Guide, suc valve (18) Cap, valve...

  • Page 84: Intake Manifold

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.5 Intake manIFOLd a1700n4_etr a1700n4_utr_4 K25W2A64A COmpOnentS (1) Manifold, int. (3) Bolt, flange 8 x 30 (5) Nut, hexagon flange (2) Packing(manifold, int) (4) Bolt, stud 8 x 35 (8) Tube, breather 42hw-201601...
  • Page 85 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne a1700t2_etr F42W204A COmpOnentS (1) Manifold, int. (4) Hose c, suc. (8) Plug, pt 3/8 (2) Packing(manifold, int) (5) Clip, hose 48 (10) Nut, flange 8 (3) Bolt, flange 8 x 30 (6) Clip, hose 70...
  • Page 86 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700t2_utr_4 F42W205A COmpOnentS (1) Intake manifold (4) Flange nut, M8 (7) Intake hose (2) Packing, intake manifold (5) Intake pipe (8) Flange bolt, M8 x L16 (3) Flange bolt, M8 x L30 (6) Gasket, intake pipe (9) Hose clip, Ø48...

  • Page 87: Exhaust Manifold

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.6 exhauSt manIFOLd a1700n4_utr_4 K25W2A66A COmpOnentS (1) Manifold, exhaust (4) Nut, flange 8 (7) Gasket(silencer) (2) Gasket, exh. Manifold (5) Bolt, flange 8 x 80 (3) Bolt, stud (6) Bolt, stud 8 x 22 42hw-201601...
  • Page 88 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700n4_etr F42W206A COmpOnentS (1) Manifold, exhaust (6) Bolt, flange 8 × 80 (11) Bolt, flange 8 x 16 (2) Gasket, exh. Manifold (7) Gasket(silencer) (12) Bolt, flange 8 × 40 (3) Nut, flange 8 (8) Silencer, exhaust (13) Bolt, stud 8 x 22 (4) Bolt, flange 8 ×...
  • Page 89 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne a1700t2_etr F42W207A COmpOnentS (1) Manifold, exhaust (6) Bolt, flange 8 × 80 (11) Bolt, stud 8 x 22 (2) Gasket, exh. Manifold (7) Bolt, stud 8 x 22 (12) Silencer, exhaust (3) Nut, flange 8...
  • Page 90 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700t2_utr_4 F42W208A COmpOnentS (1) Exhaust manifold (5) Flange bolt, M8 x L95 (9) Gasket, turbo charger in (2) Gasket, exhaust manifold (6) Stud bolt, M8 x L65 (10) Stud bolt, M8 x L22 (3) Flange nut, M8...

  • Page 91: Camshaft And Drive Gear

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.7 CamShaFt and drIve Gear a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 K25W2A67A COmpOnentS (1) Tappet (7) Hex. flange bolt (15) Spring washer (2) Push rod (8) Idle gear shaft (16) Hex. nut (3) Camshaft assembly (9) Idle gear assembly...

  • Page 92: Crankshaft And Piston

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5. CrankShaFt and pIStOn a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 K25W2A68A COmpOnentS (1) Crank shaft ass’y (16) Fly wheel ass’y (single 3cyl) (26) Piston ring (oil) (2) Crank shaft (17) Fly wheel (single 3cyl) (27) Pin, piston (3) Pin, parallel 8 ×...

  • Page 93: Lubrication System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.9 LuBrICatIOn SyStem a1700n4_etr a1700n4_utr_4 F42W209A COmpOnentS (1) Lub-oil pump ass’y (17) Bolt, oil cooler (26) Oil suction pipe (2) Lub-oil pump (18) Space, oil cooler (27) Packing, oil suction pipe (3) Oil pump gear...
  • Page 94 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700t2_etr F42W210A COmpOnentS (1) Lub-oil pump ass’y (14) Hose clip, Ø20 (27) Packing, oil suction pipe (2) Lub-oil pump (15) Oil filter (28) Flange bolt, M8 x L35 (3) Oil pump gear (16) Oil cooler...
  • Page 95 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne a1700t2_utr_4 F42W211A COmpOnentS (1) Lub-oil pump ass’y (14) Hose clip, Ø20 (27) Packing, oil suction pipe (2) Lub-oil pump (15) Oil filter (28) Flange bolt, M8 x L35 (3) Oil pump gear (16) Oil cooler...

  • Page 96: Cooling System

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.10 COOLInG SyStem a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 F42W212A COmpOnentS (1) Water pump ass’y (10) Copper packing, Ø10 (19) Cooling hose A (2) O-ring (11) Coolant temp. Sensor (20) Cooling hose B (3) Packing, water pump (12) Flange bolt, M8 ×...

  • Page 97: Fuel Injection Pump

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.11 FueL InjeCtIOn pump a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 K25W2A71A COmpOnentS (1) Fuel injection pump ass’y (5) Bracket,pump(A) (9) Nut, flange (2) Support (6) Bracket,pump(B) (10) Key,woodruff (3) Hook (7) Screw, hexagon head cap (4) E-type retaining-ring...

  • Page 98: Fuel Injection System And Valve

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.12 FueL InjeCtIOn SyStem and vaLve a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 K25W2A72A COmpOnentS (1) Fuel injection valve assembly (14) Fuel pipe assembly (B) (19) Hex. mounting nut (10) Bracket (fuel pipe) (15) Fuel pipe assembly (C)

  • Page 99: Fuel System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.13 FueL SyStem a1700n4_etr a1700t2_etr F42W213A COmpOnentS (1) Fuel filter ass’y (3) Bolt, flange (5) Hose, fuel ass’y (2) Bracket, fuel filter (4) Bolt, flange (6) Hose clip, Ø13 42hw-201601...
  • Page 100 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700n4_utr_4 a1700t2_utr_4 F42W214A COmpOnentS (1) Fuel filter ass’y (3) Flange bolt, M8 x L16 (5) Fuel hose (2) Bracket, fuel filter (4) Flange bolt, M8 x L16 (6) Hose clip, Ø13 42hw-201601...

  • Page 101: Start Motor

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.14 Start mOtOr a1700n4_etr a1700t2_etr a1700n4_utr_4 a1700t2_utr_4 F42W219A COmpOnentS (1) Starter (3) Spring washer (5) Caution plate (2) Stud bolt, M12 x L30 (4) Nut, M12 42hw-201601...

  • Page 102: Alternator And Electric System

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.15 aLternatOr and eLeCtrIC SyStem K25W2A53A COmpOnentS (1) Alternator(12V-45A) (37) Nut 8 (42) Washer (1) Alternator(12V-70A) (38) Bracket (43) Plug, thermostart (36) Bolt 10 (39) Washer (44) Connector (36) Bolt 8 (41) Washer, lock (49) Bolt 8×30...

  • Page 103: Dpf Application System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.16 dpF appLICatIOn SyStem a1700n4_utr_4 F42W215A COmpOnentS (1) Dpf (5) Gasket (9) Dpf bracket (2) Dpf supprort(A) (6) Bolt, flange (10) Bolt, flange (3) Nut, flange 8 (7) Dpf supprort(B) (11) Bolt, flange (4) Stud bolt...
  • Page 104 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700t2_utr_4 F42W216A COmpOnentS (1) Dpf system (5) Flange nut, M8 (9) Dpf fixed bracket (2) Dpf fixed housing (6) Flange bolt, M8 x L20 (10) Flange bolt, M8 x L25 (3) Stud bolt, M8 x L25...

  • Page 105: Dpf's Sensor Option

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 5.17 dpF’S SenSOr OptIOn a1700n4_utr_4 F42W217A COmpOnentS (1) Temperature sensor (3) Hose A, diff. Pressure sensor (2) DPF diff, pressure sensor (4) Hose B, diff. Pressure sensor 42hw-201601...
  • Page 106 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a1700t2_utr_4 F42W218A COmpOnentS (1) Temperature sensor (3) Hose A, diff. Pressure sensor (2) DPF diff, pressure sensor (4) Hose B, diff. Pressure sensor 42hw-201601...

  • Page 107: Disassembly And Service

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6. dISaSSemBLy and ServICe 6.1 enGIne remOvaL K42W217A A42W203A 3. Disconnect the steering cylinder hose (1), hydraulic pump suction hose (2), steering unit hose (3) and hydraulic pipe (4) from left side of the engine.
  • Page 108 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K42W223A K42W225A 6. Remove the exhaust pipe (1) and DPF assembly (2). A42W201A 8. Remove the air cleaner (1) and reservoir tank (2). Remove the oil cooler(3). [HST MODEL] K42W224A 7. Remove the battery (1).
  • Page 109 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne K42W227A K42W229A 10. Disconnect the radiator hose (Upper: 1, Lower: 2). K42W230A 12. Disconnect the positive (+) battery line (1) and negative (-) battery line (2). Then, disconnect K42W228A glow plug wiring (3), fuel solenoid connector(4) 11.
  • Page 110 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K42W232A K42W235A K42W233A K42W236A 14. Remove the front wheel(1) and front axle (2). (Refer to "Disassembly and assembly" in chapter 5). K42W234A 15. Unscrew the bracket assembly mounting bolts (1)(16EA) of front axle and remove the front axle bracket assembly (2).

  • Page 111: Disassembly Of Engine

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.2 dISaSSemBLy OF enGIne meC. mOdeL 6.2.1 GeneraL preCautIOnS Select the place that must be neatly arranged. Disassemble parts must be carefully handled for prevention of injury or taint. Prepare some vessels for keeping of disassemble parts.

  • Page 112: V-Belt, V-Pulley

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.2.3 v-BeLt, v-puLLey 6.2.5 aFter-treatment devICe (atd) [3015r(h)/3515r(h)/4015r(h)] K25W250A K25W252A Loosen the bolts that hold the V-pulley. Loosen the bolts that hold the ATD. Loosen the tension bolt and the bolt that hold the Loosen the nuts that connect the ATD and DPF alternator, remove the V-belt after relaxation of belt.

  • Page 113: Fuel Injection Pipes

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.2.7 FueL InjeCtIOn pIpeS 6.2.9 FueL InjeCtIOn vaLve (InjeCtOr) K25W254A K25W284A Loosen the bolts that hold fuel injection pipes Disassemble the injectors. assembly. Disassemble the sealing washers and nozzle Loosen the nuts in fuel injection pump side.

  • Page 114: Intake Manifold

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.2.11 Intake manIFOLd 6.2.13 OIL FILter K25W257A K25W259A Loosen the clamp that holds breather hose Disassemble the oil filter using by tool. connecting Intake manifold and cylinder head. Loosen the bolts and nut that hold the intake manifold.

  • Page 115: Head Cover

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.2.15 head COver 6.2.17 puSh rOd K25W261A K25W263A Loosen the nuts that hold the head cover. Disassemble the push rod. (Arrange the push rod in order from front side after disassemble it.) Disassemble the head cover.

  • Page 116: Cylinder Head

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.2.19 FueL FILter 6.2.1 CyLInder head K25W264A K25W267A Loosen the clamp that holds hose connecting fuel filter pump and fuel injection pump. Loosen the bolts that hold the fuel filter bracket. Disassemble the fuel filter and fuel filter bracket.

  • Page 117: Frame And Oil Suction Pipe

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.2.23 FLywheeL 6.2.21 Frame and OIL SuCtIOn pIpe K25W269A K25W272A Loosen the 20 bolts that hold frame. Loosen the bolts that hold the flywheel. Disassemble frame. Disassemble the flywheel. Clean the liquid packing on face of frame Loosen the 2 bolts that hold the oil suction pipe.

  • Page 118: Oil Seal Housing

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.2.25 OIL SeaL hOuSInG 6.2.27 Gear CaSe K25W274A K25W276A Loosen the 9 clamping bolts. Loosen the bolts that hold the gear case. Disassemble the oil seal housing. Disassemble the gear case. Clean the liquid packing on oil seal housing.

  • Page 119: Idle Shaft And Idle Gear

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.2.29 IdLe ShaFt and IdLe Gear 6.2.31 OIL pump K25W278A K25W280A Loosen the bolts that hold idle shaft and idle Loosen the bolts using by hexagon wrench. gear. Disassemble the oil pump. Disassemble the idle shaft and idle gear.

  • Page 120: Piston And Connecting Rod

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.3 maIn partS InSpeCtIOn & maIntenanCe 6.2.33 pIStOn and COnneCtInG rOd 6.3.1 CyLInder head dISaSSemBLy Disassemble the valve cotter, spring, retainer by the valve spring with disassembly tools. Disassemble the intake valve and exhaust valve.
  • Page 121 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne Intake & exhauSt vaLve & vaLve GuIde vaLve vaLve GuIde ▶ ▶ K20W255A K20W257A • M e a s u r e t h e va l ve s te m o u te r di a m ete r. .

  • Page 122: Cylinder Head

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr vaLve Sheet vaLve SprInG ▶ ▶ K20W258A K20W260A Squareness, free-length, transformation, etc. of valve spring are direct cause of damage such as valve stem uneven wear, etc. Therefore check certainly it when disassembling. If the measurement value is over the limit, replace...

  • Page 123: Cylinder Block

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.3.2 CyLInder BLOCk 6.3.3 vaLve devICe Rocker arm assembly needs to be maintained CheCk the CyLInder BLOCk clearly and exactly bec ause it is related with timing of the valve open & close and the engine CheCk the CraCk and etC In eaCh part ▶...
  • Page 124 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr tappet puSh rOd K20W264A K20W266A • Put the push rod on the sur face plate and measure the bending degree by gap gauge. If it is over the limit, replace it. (mm) LImIt Below 0.3...

  • Page 125: Piston & Piston Ring

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.3.4 pIStOn & pIStOn rInG CheCk the pIStOn pIStOn Outer dIameter pIStOn rInG ▶ ▶ • If the main measurement value is over the limit, replace the pistons • If there is any damage or scratch on the surface, replace it •...
  • Page 126 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr COnneCtInG rOd ▶ Twist Parallel K20W272A K20W270A • Measure the parallel and twist degree of big end • Measure the clearance between piston ring and ring groove. and small end. If the measurement value is over (mm) the limit, replace it.

  • Page 127: Crank Shaft

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.3.5 Crank ShaFt repLaCe the pIStOn CheCk the CrankShaFt CheCk the CrankShaFt jOurnaL ▶ K20W274A Replacing of piston ring and connecting rod K20W275A should be operated in clean surrounding. • If there is any crack or damage, replace it.

  • Page 128: Cam Shaft

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.3.6 Cam ShaFt CheCk the CamShaFt CheCk the CrankShaFt BendInG deGree CheCk the CamShaFt’S FIGure ▶ ▶ Check the wear on contacting surface between the tappet and the cam. Also, check the cam gear damage.

  • Page 129: Gears

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.3.7 GearS CheCk the GearS CheCk the CamShaFt jOurnaL ▶ CheCk the GearS ▶ Flywheel side Intermediate bearing Gear side K20W279A Measure the outer diameter of camshaft by micrometer. The Oil clearance is calculated after measuring the...

  • Page 130: The Engine Assembly

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4 the enGIne aSSemBLy 6.4.3 CrankShaFt 6.4.1 CautIOn BeFOre aSSemBLInG the enGIne • Carefully clean and arrange disassemble parts. aSSemBLy prOCedure • Check the tool box and jig. • Prepare and check the spare parts. (Gasket, o-ring, packing, etc) •...

  • Page 131: Piston And Connecting Rod

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.4 pIStOn and COnneCtInG rOd aSSemBLy prOCedure warnInG • use the hoist or lift for safe work. • thrust bearing assemble that the oil groove into outside. • assemble the bearing cap after same direc- tion with the cylinder block number.

  • Page 132: Gear Case Flange

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.5 Gear CaSe FLanGe Press the piston ring. (With jig) Rotate it and locate the crankshaft pin to TDC. Assemble the piston in cylinder. (Please sure that piston and ring is not damaged.) Af ter assembly, crankshaft rotate 180° and locate BTDC.

  • Page 133: Camshaft

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.7 CamShaFt 6.4. InjeCtIOn pump aSSemBLy K25W279A Apply the lubricating oil on the journal, cam, thrust K25W277A bearing. Assemble the o-ring in fuel injection pump and Assemble the camshaft with turning it. it in gear case flange. (Assemble the key radius Assemble the bolts in cylinder block to hold the type on the fuel injection pump shaft.)

  • Page 134: Idle Gear

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.9 IdLe Gear K25W278A K25W298A K25W288A K25W299A (1) Hydraulic pump drive gear (4) Crank gear Rotate the crank pulley CCW until indicator of (2) Camshaft gear (5) Idle gear dial gage doesn’t move by rotating the crank...

  • Page 135: Gear Case

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.10 Gear CaSe 6.4.12 OIL pan K25W276A K25W268A Apply the liquid packing on the gear case. (Use Apply the liquid packing on the oil pan. (Use Loctite 5060 or similar product.). Loctite 5060 or similar product.) Assemble the bolts to hold the gear c ase.

  • Page 136: Mounting Flange

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.14 mOuntInG FLanGe 6.4.16 Crank puLLey K25W273A K25W275A Assemble the mounting flange. Assemble the crank pulley and washer. Tighten the bolts to hold mounting f lange. Tighten the bolt to crank pulley. (Tightening (Tightening torque: 2.7 kg•m) torque: 11.5 kg•m)

  • Page 137: Cylinder Head

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.17 CyLInder head 6.4.1 puSh rOd K25W2A01A K25W264A Assemble the push rod in socket of tappet in order. Lubricate the lubricating oil on the push rod. K25W265A Assemble the head gasket. Tighten the bolts to the cylinder head in order.

  • Page 138: Rocker Arm Assembly

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.19 rOCker arm aSSemBLy adjuStment prOCedure OF vaLve CLearanCe. K25W262A Apply the lubricating oil to rocker arm shaft and bush. And assemble the bolt to rocker arm shaft. K25W2A02A The adjustment bolt of rocker arm should untie.

  • Page 139: Cylinder Head Cover

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.20 CyLInder head COver adjuStment prOCedure K25W261A Assemble the new gasket and head cover. T i g hte n t h e n u t s t o h o l d t h e h e a d c ove r.

  • Page 140: Injection Valve (Injector)

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.22 InjeCtIOn vaLve (InjeCtOr) 6.4.24 Intake manIFOLd K25W284A K25W257A Assemble the new nozzle space cup and sealing Assemble the intake manifold with new packing. washer. Tighten the bolts and nuts to hold the intake Assemble and use the flat plate of injector.

  • Page 141: Fuel Supply Pipe

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.4.26 FueL SuppLy pIpe. 6.4.2 exhauSt manIFOLd K25W253A K25W254A Assemble the high pressure pipe. Assemble the exhaust manifold with new gasket. Tighten nuts between fuel injection pump and Tighten the bolts and nuts to hold exhaust fuel injection valve.

  • Page 142: Starter

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.4.30 Starter 6.4.32 v-BeLt K25W271A K25W250A Assemble the starter. Adjust the tension of alternator after that tighten the adjust bolt and bolts. Tighten the bolts to hold starter. 6.4.33 aFter-treatment devICe (atd) [3015r(h)/3515r(h)/4015r(h)] 6.4.31 aLternatOr K25W252A Assemble ATD.

  • Page 143: Engine Operation

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.5 enGIne OperatIOn 6.5.1 OperatIOn advanCe preparatIOn wOrk Fill the new lubricating oil through the filler port. Connect the coolant hose and fill the coolant. Connect the fuel hose to fuel tank. Execute the air bleeding of the fuel line.

  • Page 144: Engine Important Parts Maintenance

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.6 enGIne ImpOrtant partS maIntenanCe 6.6.1 FueL InjeCtIOn pump Injection pump is distributor injection type (VE) mounted on the gear case flange and driven by injection pump gear. The fuel is supplied in each cylinder by one plunger rotation and reciprocating motion. The fuel is sucked from fuel tank by external feed pump and internal feed pump.
  • Page 145 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.6.2 InjeCtOr Spray shape of the injector is the important element that affects in efficiency. Therefore must properly adjust and maintain. InjeCtOr Spray Shape CheCk K25W2A10A After injector injection pressure is adjusted to 120±5kg/cm , affixes it in injector tester and every second 4~ 6 time fabricates the lever.
  • Page 146 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr CheCk and adjuStment OF the InjeCtOr CheCk and adjuStment OF the InjeCtIOn OpenInG preSSure ▶ 1. Mounting on injector in tester. 2. Handle of the tester is operated at 1time per second. 3. Indicator of the manometer is slowly rising and indicator shakes during injection. After looking at starting shaking points of the indicator, check whether opening pressure is standard value.
  • Page 147 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.6.3 OIL pump Oil pump, as trochoid pump, driven by crank shaft CLearanCe OF pump BOdy, gear is compact as well as pressure fluctuation is Outer rOtOr and Inner rOtOr small. And 3.5kg/cm pressure supply to each part.
  • Page 148 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.6.4 preSSure SwItCh 6.6.5 COOLIn SyStem This engine is water cooling type. Combustion heat and oil heat are absorbed by coolant and emitting those at the outside. As a result, engine can operate normally the engine.
  • Page 149 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.6.6 Overheat If stopping the engine when overheating the engine, thermOStat stop the circulation of the coolant and overheating can be serious locally. Also if quick freezing, crack will be able to occur in cylinder head, cylinder block Thermostat etc,.

  • Page 150: Electrical System

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.7 eLeCtrICaL SyStem 6.7.1 Starter BaSe CIrCuIt dIaGram Start. Start Switch Switch Battery Neutral. Hold-in. Winding Safety. Switch Contacts Solenoid Bat. pull-in. Motor Cranking. Winding Motor Battery Basic Wiring Circuit Basic Solenoid Circuit K20W2A62 SpeCIFICatIOn...
  • Page 151 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne puLL In COIL teSt OF maGnetIC nO-LOad teSt ▶ ▶ SwItCh(SOLenOId) Potentiometer Ammeter Battery 12V Battery Starter Voltmeter Dis-connector Starter K20W2A64 K25W2A13A The case which connects battery between S-M 1. Connect the starter motor, battery, voltmeter, terminal, if plunger comes in and the pinion comes ammeter and variable resistance as picture.
  • Page 152 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.7.2 aLternatOr BaSe CIrCuIt dIaGram K25W2A14A SpeCIFICatIOn Item COntent type Rectifier Alternator CapaCIty 12.0V / 50A mOtOr veLOCIty 1,000~18,000 rpm reGuLatOr SettInG vOLtaGe 14.7 ± 0.3V temperature COmpenSate -7 ± 3mV/°C 42hw-201601...
  • Page 153 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne CheCk aLternatOr Output vOLtaGe teSt On IGnItIOn CIrCuIt teSt at IGnItIOn key ▶ ▶ enGIne runnInG COndItIOn. On COndItIOn K20W2A80 K20W2A79 Unplug Ignition terminal of regulator connector C o nn e c t p o s i t i ve (+) of vo l t m ete r l e a d to...
  • Page 154 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr rOtOr StatOr ▶ ▶ K25W2A15A K25W2A17A Check the conductivity of rotor coil. Confirm Check the conductivity of stator. Confirm that that whether or not conductivity between slip whether or not conductivity between coil and rings. Measure the resistance value and if the lead.
  • Page 155 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 6.7.3 CautIOn FaCt OF eLeCtrIC wIrInG aLternatOr • Do not reverse connection the battery. If reverse connecting the plus (+) and minus (-) of battery cable, the diode of alternator is damaged and does not become charging. Also the starter coil burn out. Battery must be produced by correcting the length of battery cable or by making the structure which prevents a reverse connection in order for not to become the reverse connection.

  • Page 156: Maintenance Standard Table

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7. maIntenanCe Standard taBLe 7.1 maIn BOLt tIGhtenInG tOrQue tIGhtenInG Item SIze hexaGOn(mm) nOte tOrQue(kgf·cm) ① 800 kgf·cm ② 360° disassum. ③ 520kgf·cm(Long Cylinder head bolt M11×1.5 (1200 kgf·cm) bolt) 570kgf·cm(Short bolt) ④ ③+ 90°...

  • Page 157: Standard Bolt & Nut Tightening Torque

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 7.2 Standard BOLt & nut tIGhtenInG tOrQue (Unit: kgf•cm) SIze nOrmaL FIne nOrmaL FIne nOrmaL FIne thread thread thread thread thread thread 40±5 60±10 90±10 60±10 130±10 135±10 150±20 270±30 330±20 M.10 300±50 240±40 530±70 420±60...

  • Page 158: Service Data

    Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.3 ServICe data 7.3.1 CyLInder head Item Standard LImIt nOte Cylinder head combustion below 0.03 0.15 surface distortion Intake 120° Valve seat angle Exhaust 90° Intake 1.73 2.23 Valve seat width Exhaust 2.12 2.62 Valve stem outer dia.
  • Page 159 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 7.3.2 CyLInder BLOCk Item Standard LImIt nOte Ø 88.015 ~ Ø 88.025 Cylinder bore Ø 88.20 Ø 88.005 ~ Ø 88.015 Cylinder roundness 0.~.0.01 0.03 Cylindricity 0.~.0.015 0.03 7.3.3 vaLve rOCker arm Item Standard LImIt nOte Rocker arm shaft outer dia.
  • Page 160 Chapter 2 enGIne 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.3.5 pIStOn rInG Item Standard LImIt nOte Ring groove width 2.06.~.2.08 Ring width 1.97.~.1.99 Top ring Ring and ring groove 0.07.~.0.110 clearance End clearance 0.20.~.0.35 Ring groove width 2.06.~.2.08 Ring width 1.97.~.1.99 ring Ring and ring groove 0.07.~.0.110...
  • Page 161 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 2 enGIne 7.3.7 CamShaFt Item Standard LImIt nOte Camshaft journal outer diameter Ø 44.950 ~ Ø 44.964 Ø 44.89 Gear side Oil clearance 0.066.~.0.110 Camshaft journal outer diameter Ø 44.916 ~ Ø 44.930 Ø 44.89 Intermediate Oil clearance 0.070.~.0.130...
  • Page 162 ........................................................................................................................................................................................................................................................................................................................................................................................................................BranSOn tractors Co. Ltd...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 163 Chapter 3 ClutCh [MeC. MODel] taBle OF CONteNtS 1. Overview ..........3-2 3. DiSaSSeMBly ........3-8 1.1 Sectional view of clutch assembly ..3-2 3.1 Clutch housing removal ......3-8 1.2 Clutch pedal components ......3-3 3.2 Clutch disassembly ........3-8 1.3 Clutch pedal play adjustment ....3-4 2. SeCtiONal view FOr MajOr COMpONeNtS ........3-5 2.1 Clutch housing ........3-5 2.2 Clutch release .

  • Page 164: Overview

    Chapter 3 ClutCh 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 1. Overview The clutch is to deliver or cut off power from the engine to the transmission. When the clutch disc is pressed against the flywheel, the rotating force from the engine is delivered into the transmission through the shaft which is connected to the spline boss of the clutch. However, when the clutch pedal is depressed, its clutch rod pulls the release shaft which then pushes the release bearing in the clutch housing to press the clutch cover spring.

  • Page 165: Clutch Pedal Components

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 3 ClutCh 1.2 ClutCh peDal COMpONeNtS F42W302A (1) Clutch pedal (3) Clutch rod (2) Brake shaft (4) Release shaft 42hw-201601...

  • Page 166: Clutch Pedal Play Adjustment

    Chapter 3 ClutCh 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 1.3 ClutCh peDal play aDjuStMeNt F42W127A F42W128A Depress the clutch pedal (1) slightly. Then, release it. Measure its free play. iteM StaNDarD 25 - 35 mm Clutch pedal free play (0.98 - 1.38 in) If the free play is out of the specif ic ation, unscrew the mounting nut (2) of the clutch rod and turn the turn buckle (3) to adjust the free play.

  • Page 167: Sectional View For Major Components

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 3 ClutCh 2. SeCtiONal view FOr MajOr COMpONeNtS 2.1 ClutCh hOuSiNg MeC. MODel F42W303A COMpONeNtS (1) Clutch housing (8) Spring pin (15) Pin (2) Sleeve, PTO (9) Stud bolt (16) Cotter pin (3) Spring pin (10) Spring washer (17) Cover assy (4) Hexagon socket bolt (11) Hex nut (18) Hex flange bolt (5) Clutch disc ass’y...
  • Page 168 Chapter 3 ClutCh 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr hSt MODel A42W301A COMpONeNtS (1) Clutch housing (7) Hex nut (13) Cover assy (2) Damper, pto (8) Hex bolt (14) Hex flange bolt (3) Spring pin (9) Hex bolt (15) Pin, rubber (4) Hexagon socket bolt (10) Hex bolt(sw) (5) Stud bolt (11) Pin...

  • Page 169: Clutch Release

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 3 ClutCh 2.2 ClutCh releaSe F42W304A COMpONeNtS (1) Cover (9) Release shaft(main clutch) (17) Bolt (2) O-ring (10) Clutch pedal (18) Safety switch, clutch (3) Oil seal (11) Clutch road (19) Rod (4) Hex flange bolt (12) Plain washer (20) Rod (5) Sleeve, bearing (13) Cotter pin (21) Turn buckle (6) Release bearing ass’y (14) Spring (22) U-nut (7) Yoke, clutch shift...

  • Page 170: Disassembly

    Chapter 3 ClutCh 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 3. DiSaSSeMBly 3.1 ClutCh hOuSiNg reMOval 3.2 ClutCh DiSaSSeMBly 1. Park the tractor on level ground and apply the hand brake. 2. Disconnect the negative battery cable. 3. Drain the transmission fluid. 4. Remove the hood and propeller shaft. 5. Disconnect the hydraulic hose, wiring connector and various cables between the vehicle body and engine.
  • Page 171 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 3 ClutCh k42W306A k42W304A k42W307A k42W305A 3. Unscrew the PTO sleeve mounting bolts (1) to 4. As necessary, remove the release bearing (1), remove the PTO sleeve (2). sleeve (2), clutch shift yoke (3), release shaft (4) and parking brake lever (5) from the clutch...
  • Page 172 MeMO ........................................................................................................................................................................................................................................................................................................................................................................................................................BraNSON tractors Co. ltd...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 173 Chapter 4 transmission taBLe oF Contents 1. overview ..........4-2 4.7 Fork, main shift [mec. model] ....4-36 1.1 Specification ..........4-2 4.8 Lever ass’y, range shift ......4-37 1.2 Power transfer ........4-3 4.9 Front drive shaft ........4-38 4.10 4WD lever ..........4-39 1.2.1 Transmission assembly diagram ..4-3 1.2.2 Power flow chart ......4-5 4.11 Fork & lever, PTO ........4-40 4.12 Ring gear & diff.gear ass’y....4-41 2. struCture and operating prinCipLe ..........4-7 4.13 Differential ...........4-42 2.1 Main shift ..........

  • Page 174: Overview

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 1. overview 1.1 speCiFiCation item speCiFiCation Shuttle type Mechanical, synchromesh Main shift 4 speeds, synchromesh Range shift 3 speeds, constant-mesh MEC. MODEL 7 - 16 Forward driving: 1.2 - 22.6 km/h (0.746 - 14.044 MPH) Shifting gear 11.2 - 24 Reverse driving: 1.1 - 21.5 km/h (0.684 - 13.360 MPH) and F12 X R12 8 - 16 Forward driving: 1.2 - 23.7 km/h (0.746 - 14.727 MPH) driving speed 12.4 - 24 Reverse driving: 1.2 - 22.5 km/h (0.746 - 13.982 MPH) Shuttle type Hydrostatic Main shift Range shift 3 speeds, constant-mesh HST MODEL 7 - 16 Forward driving: 0 - 29.27 km/h (0 - 18.18 MPH) Shifting gear 11.2 - 24...

  • Page 175: Power Transfer

    015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR CHAPTER 4 TRANSMISSION 1.2 POWER TRANSFER 1.2.1 TRANSMISSION ASSEMbly dIAgRAM MEC. MOdEl F42W417A 42hW-201601...
  • Page 176 CHAPTER 4 TRANSMISSION 015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR HST MOdEl A42W401A 42hW-201601...

  • Page 177: Power Flow Chart

    015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR CHAPTER 4 TRANSMISSION 1.2.2 POWER FlOW CHART MEC. MOdEl F42W418A 42hW-201601...
  • Page 178 CHAPTER 4 TRANSMISSION 015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR HST MOdEl A42W402A 42hW-201601...

  • Page 179: Structure And Operating

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 2. struCture and operating prinCipLe 2.1 main shiFt meC. modeL Forward F42W419A reverse F42W420A 42hw-201601...
  • Page 180 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor The engine's rotating force delivered through the main shaft (1) is transferred to the forward driving gear (3) or reverse driving gear (4) by selection of the main shaft sleeve (2). Then, this power rotates the main shift dive shaft (7) through its 44T gear (forward driving) (5) or 35% gear (reverse driving) (6). As the drive gears for each speed are fixed to the main shift drive shaft with splines, this shaft's rotation turns the drive gears, delivering the rotating power to the gears engaged to the main shift driven shaft (8). The main shift driven shaft is connected to the hub for the 1st/2nd gear (9) and the hub for the 3rd/4th gear (10) with splines. Therefore, when the sleeve is engaged with the required speed gear, the rotating force delivered to each speed gear of the main shift drive shaft is supplied to the main shift driven shaft through its gears. main shiFt 1st (Forward) ▶ M ain shaft → Hub → Sleeve → 37T gear → 44T gear → Main shift drive shaft → 28T gear → 49T gear → Sleeve → Hub → Main shift driven shaft main shiFt 2nd (Forward) ▶...
  • Page 181 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission hst modeL A42W403B The engine torque is transferred to the HST through the HST input shaft (pump shaft) (1). Then, it is converted to hydraulic pressure in the HST to turn the HST motor shaft (2). As the HST motor shaft is connected to the range shift drive shaft (6), rotation of the range shift drive shaft turns the 26T gear (3) which then turns the range shift drive shaft (5) through the engaged 29T gear (4). Therefore, the amount of depression of the forward driving pedal determines the hydraulic pressure quantity for the HST input shaft (pump shaft), and this change of hydraulic pressure leads to consequential change in HST motor shaft speed, enabling continuous shift operation. 42hw-201601...

  • Page 182: F-R Shuttle Shift

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 2.2 F-r shuttLe shiFt meC. modeL F42W421A The engine's rotating force delivered through the main shaft (1) turns the hub (2) constantly. The hub has the reverse driving gear (3) and forward driving gear (4) on its left and right, and the driving direction (forward/ reverse) is selected by movement of the sleeve (5). To select the forward driving, the sleeve is moved to the right to be engaged with the forward driving gear. Then, the rotating force of the engine turns the 44T gear of the main shift drive shaft which is engaged with the 37T gear of the forward driving gear. As a result, each gear fixed to the main shift drive shaft with splines receives this rotating power. Also, to select the reverse driving, the sleeve is moved to the left to be engaged with the reverse driving gear. As a result, the 28T gear of the reverse driving gear is engaged with the 26T gear (6) of the idle shaft to...
  • Page 183 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission hst modeL A42W404B As the HST input shaft (pump shaft) (1) is rotated by the engine torque, the internal piston delivers hydraulic pressure to the HST motor shaft (2). The HST pump shaft is installed with the swash plate which is tilted between -18° and +18°. The angle of the swash plate is changed according to the depressing condition of the HST pedal. When the swash plate of the HST pump shaft starts to tilt toward the positive x-axis from 0° (neutral position) gradually, the amount of hydraulic oil delivered to the HST motor shaft is increased, resulting in increase of the vehicle speed. When the swash plate moves toward the negative x-axis from 0°, the delivery direction of hydraulic oil is reversed, resulting in reverse rotation of the HST motor shaft. Therefore, the rotating direction of the HST motor shaft is switched between forward direction and reverse direction according to the selected direction (forward/reverse driving) of the HST pedal, and this direction control is applied to gears in the transmission to drive the vehicle forward or backward.

  • Page 184: Range Shift

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 2.3 range shiFt meC. modeL F42W422A The rotating power transferred through the main shift driven shaft (1) is delivered to the range shift drive shaft (2) by the range shift drive shaft's 52T gear which is engaged and rotated with the 18T gear of the main shift driven shaft. As the 18T gear of the range shift drive shaft is engaged with the 52T gear (4) of the bevel pinion counter shaft (3), the 52T gear is turned constantly. Also, the connection of the main shift driven shaft and counter shaft does not transfer power due to the internal needle bearing, but idles only. To select the range shift 1st gear (low speed), the 2nd gear (5) of the range shift driven gear is pushed to the right to be engaged with the 52T gear (4). Then, the rotating force reduced at the reduction ratio by the 18T gear and 52T gear of the range shift drive shaft passes through the range shift driven gear's 2nd gear to be delivered to the countershaft. To select the range shift 2nd gear (mid speed), the 2nd gear of the range shift driven gear is engaged with the 34T gear of the range shift drive shaft. Then, the rotating force of the range shift drive shaft is delivered to the...
  • Page 185 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission hst modeL A42W405B The torque delivered to the range shift drive shaft (1) turns the range shift drive gear shaft (4) through the 26T gear (2) and 29T gear (3). The 29T gear is rotated continuously. Also, the 20T gear (8) and 52T gear (6) are rotated as well as they are engaged with the 34T gear and 18T gear of the range shift drive gear shaft and 36T gear (5). On the other hand, the range shift drive shaft and countershaft (9) idle from each other due to their internal needle bearings. Therefore, the 20T gear (8) and 52T gear (6) are rotated, sliding. When the range shift driven 2nd gear (7) is pushed to the rightmost position for low speed (L) shift operation, the spline in the 52T gear is engaged with the spline on the range shift driven 2nd gear. Then, the torque reduced by engagement of the 52T gear and 18T gear of the range shift drive gear shaft is delivered to the countershaft through the range shift driven 2nd gear which is fixed to the countershaft with splines. For mid speed (M) shift operation, the torque is transferred to the countershaft after it is reduced by engagement of the 34T gear of the range shift drive gear shaft with the 36T range shift driven 2nd gear (7).
  • Page 186 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor power transFer Low speed (L) ▶ R ange shift drive shaft (1) → 26T gear (2) → 29T gear (3) → Range shift drive gear shaft (4) → 18T gear → 52T gear (6) → 36T range shift driven gear 2nd (7) → Counter shaft (9) mid speed (m) ▶ R ange shift drive shaft (1) → 26T gear (2) → 29T gear (3) → Range shift drive gear shaft (4) → 34T gear → 36T range shift driven gear 2nd (7) → Counter shaft (9) high speed (h) (h) ▶ R ange shift drive shaft (1) → 26T gear (2) → 29T gear (3) → Range shift drive gear shaft (4) → 36T gear (5) → 20T gear (8) → 36T range shift driven gear 2nd (7) → Counter shaft (9) 42hw-201601...

  • Page 187: Pto Shift

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 2.4 pto shiFt meC. modeL F42W423A This vehicle is equipped with an independent PTO which receives engine power continuously regardless of the engagement status of the main clutch and its power is controlled by its separate PTO clutch. The engine power to drive the PTO is delivered through the main PTO shaft (inner) (1). This main PTO shaft (inner) is fixed to the PTO sleeve (3) of the flywheel with splines, passing through the main shaft (outer) (2) which is a hollow shaft. Therefore, this shaft is rotated, regardless of the main clutch, as long as the engine runs, and it is...
  • Page 188 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor hst modeL A42W406B As the HST input shaft (pump shaft) (1) is rotated by the engine torque and it is directly connected to the PTO shaft (2) with the joint, this forms the driveline system for PTO operation. As the PTO clutch (3) is engaged, the 65T and 60T gears of the PTO shaft (5), which are engaged with the 14T and 18T gears of the PTO drive gear shaft (4), are rotated. As the PTO hub is connected by shift operation of the PTO lever, PTO torque of the 1st and 2nd gears is delivered to the PTO shaft.

  • Page 189: 4Wd

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 2.5 4wd meC. modeL F42W424A hst modeL A42W407B When the countershaft (1) rotates for range shift operation, the 52T gear, which is the 4WD drive gear (2) of the countershaft, rotates constantly. Therefore, when the 4WD driven gear (4) of the 4WD drive shaft (3) is moved to the left to be engaged with the 4WD drive gear, the 4WD drive and driven gears are engaged and rotated together. Then, the rotating power reduced at the reduction ratio by the 52T gear and 42T gear is delivered to the 4WD drive shaft to turn the front axle through the propeller shaft.

  • Page 190: Rear Axle

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 2.6 rear axLe F42W429A (1) Counter shaft (6) Differential side gear (B) (11) Rear axle gear (LH) (2) Ring gear (7) Differential side gear (A) (12) Rear axle gear (RH) (3) Differential case (8) Differential thrust assembly (13) Rear axle (4) Pinion shaft (9) Final pinion (R) (14) Oil seal (5) Differential pinion (10) Final pinion (L) (15) Rear axle housing 2.7.1 power transFer When rotating force arrives at the counter shaft (1), it rotates the differential case (3) through the ring gear (2). As the differential rotates, the differential pinion (5) and differential side gear (7) inside the differential case to deliver the rotating force to the final pinion (9). Then, the speed of the rotating force at the final pinion is reduced through engagement of the 16 gear of the final pinion with the 65 rear axle gear (11), and it is finally transmitted to the rear axle (13), which is connected with splines, in order to rotate the rear wheels. 42hw-201601...

  • Page 191: Operation And Adjustment

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 3. operation and adjustment 3.1 diFFerentiaL system F42W430A The differential system is to rotate the left wheel and right wheel at different speeds for smooth turning. When turning, this system rotates the inner wheel in the turning direction slower and the outer wheel faster to turn the vehicle in the desired direction. Also, when a wheel got stuck in mud, it is hard to escape the pit since the wheel in mud with no friction rotates at faster speed and the wheel on road with friction does not rotate due to the differential system. To prevent this situation, the vehicle is equipped with the differential lock. The differential lock moves the differential lock slide to fix the differential case and differential side gear together with the pin, resulting in rotation of the side gear on the other side as well. Therefore, the wheels on both sides are rotated at the same speed to escape the pit. The differential system consists of the ring gear (1), differential case (2), differential side gear (3), differential pinion (4), differential pinion shaft (5) and differential lock slide (6). 42hw-201601...

  • Page 192: Brake

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 3.2 Brake 3.2.1 overview meC. modeL F42W425A When the brake pedal (1) is depressed, the brake shaft (3), which is fixed with the brake pedal boss and spring pin (2), starts to rotate. Then, as the brake shaft is connected to the brake rod (4) with the snap pin, the shaft pulls the rod which then turns the brake activating brake lever (5) to operate the internal brake. As this brake is a wet multi-plate type, it is soaked in oil for superior lubrication, cooling and durability. 42hw-201601...
  • Page 193 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission hst modeL A42W408A 42hw-201601...

  • Page 194: Operating Principle Of Brake

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 3.2.2 operating prinCipLe oF Brake F42W426A (1) Brake lever (4) Boss (7) Steel ball (2) Cam plate (5) Disc (8) Brake inside arm (3) Final pinion (6) Pressure plate When the brake lever (1) is pulled by transferred power, the brake inside arm (8) fixed by the splined boss is rotated as well. Also, as the protruded parts on the brake inside arm are fit to the grooves of the cam plates (LH/RH) (2), the cam plates are rotated as well. On the other side, the final pinion (3) is fixed to the differential side gear with splines, rotating together, and its other side is connected to the boss (4) with splines. This boss is fixed to 2 discs (5) with splines as one unit. Also, the pressure plates (6) are installed in between the friction discs and these pressure plates are fixed to the rear axle housing. Therefore, when the brake pedal is depressed, the brake lever is moved to rotate the cam plate. Then, the steel ball (7) installed in the groove on the slant of the cam plate pushes the cam plate inward, producing driving force. This driving force compresses the friction discs and plates. As the pressure plates are fixed by...

  • Page 195: Brake Pedal Free Play Adjustment

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 3.2.3 Brake pedaL Free pLay adjustment meC. modeL F42W129A F42W130A 3. I f the free play is out of the standard, unscrew the hst modeL mounting nuts (2) of the brake rods (LH/RH) on the brake shaft section and use the turnbuckle (3) to adjust the free play. After adjusting the free play of the both sides, tighten the mounting nuts.

  • Page 196: Parking Brake Operation

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 3.3 parking Brake operation 3015r/3515r/4015r F42W427A (1) Brake pedal (3) Brake rod (2) Parking brake lever (4) Brake lever 42hw-201601...
  • Page 197 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 3015h/3515h/4015h 35HW401A (2) Parking brake lever With the brake pedal (1) depressed firmly, pull the parking brake lever (2) to engage the gear tooth with the fixing plate of the brake pedal. As the brake pedal is operated, the brake rod (3), which is connected to the brake shaft and brake pedal, is pulled to activate the brake lever (4) in order to apply braking force for the left/right brakes. 42hw-201601...
  • Page 198 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor F36r/F42r F42W428A (1) Parking brake lever (4) Brake rod (2) Parking brake wire (5) Brake lever (3) Brake shaft 42hw-201601...
  • Page 199 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission F36h/F42h 35HW402A (1) Parking brake lever (2) Parking brake wire When the parking brake lever (1) is pulled, the parking brake cable (2) pulls the brake shaft (3). Then, the left brake rod (4), which is connected to the brake shaft, activates the left brake lever (5) while the right brake rod on the brake pedal side, which is fixed to the brake shaft with the spring pin, activates the right brake lever to produce braking force for each brake. Also, the parking brake is coupled with the brake pedals. Therefore, pulling the parking brake lever with the brake pedals depressed can achieve sufficient braking force more easily.

  • Page 200: Sectional View For Major Components

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4. seCtionaL view For major Components 4.1 shaFt, F/r drv [meC. modeL] F42W401A Components (1) Shaft, F/R drv (7) Spring (13) Spacer (2) Ball baring (8) Hub (14) Gear, forward drv (3) Spacer (9) Key (15) Snap ring (4) Ball baring (10) Sleeve (16) Ball baring (5) Gear, backward drv (11) Snap ring (17) Oil seal (6) Synchro ring (12) Ball baring 42hw-201601...

  • Page 201: Main Shift [Mec. Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.2 main shiFt [meC. modeL] F42W402A Components (1) Shaft, idle(rear) (9) Gear 2, main shift (17) Spcer (25) Gear-M/shift drvn 1 (2) O-ring (10) Snap ring(C-type) (18) Gear-M/shift drvn 2 (26) Gear-M/shift drvn 4 (3) Ball bearing (11) Spacer shaft, main shift (19) Sleeve (27) Spacer (4) Snap ring (12) Gear 1, main shift (20) Synchro ring (28) Gear-M/shift drvn 3 (5) Snap ring(C-type) (13) Gear 4, main shift (21) Spring (29) Shaft-M/sthift (6) Gear, idle(rear) (14) Gear 3, main shift (22) Hub (30) Snap ring(C-type) (7) Hex flange bolt (15) Nut, lock (23) Key (31) Ball bearing...

  • Page 202: Shuttle Ass'y [Mec. Model]

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.3 shuttLe ass’y [meC. modeL] F42W403A Components (1) Knob, shuttle (8) Arm, shuttle (15) Spring (2) Lever, shuttle (9) Plate (16) O-ring (3) Cover, rubber (10) Hex flange bolt (17) Bolt (4) Shaft, shuttle (11) Shaft, fork(shuttle) (18) Cover (5) Spring pin (12) Fork, shuttle (19) Hex flange bolt (6) Bush (13) Shifter, shuttle (7) O-ring (14) Steel ball 42hw-201601...

  • Page 203: Range Shift Gear

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.4 range shiFt gear meC. modeL F42W404A Components (1) Ball bearing (6) Range shift driven gear 2nd (11) Stop nut (2) Range shift drive gear (7) Snap ring (12) Taper roller bearing (3) Range shift drive shaft (8) Sleeve (13) Snap ring (4) Ball bearing (9) Range shift driven gear 1nd (14) Spacer (5) Niddle bearing (10) Four wheel drive gear (15) Taper roller bearing(32207c) 42hw-201601...
  • Page 204 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor hst modeL 15 16 A42W411A Components (1) Ball bearing (10) Range driven gear (19) Range shift driven gear 1nd (2) Range driven gear (11) Range shaft (20) Four wheel drive gear (3) Snap ring (12) Snap ring (21) Stop nut (4) Gear, range c (13) Ball bearing (22) Taper roller bearing (5) Range driven shaft (14) Niddle bearing (23) Snap ring (6) Ball bearing (15) Collar (24) Spacer (7) Ball bearing (16) Gear, range c driven (25) Taper roller bearing(32207c) (8) Snap ring (17) Range shift driven gear 2nd (9) Snap ring (18) Sleeve 42hw-201601...

  • Page 205: Main P.t.o Shaft

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.5 main p.t.o shaFt meC. modeL F42W405A Components (1) Main PTO shaft (10) PTO clutch shaft (19) PTO valve (2) Oil seal (11) Stop screw (20) Elbow (3) Snap ring (12) Snap ring (21) Spring washer (4) Ball bearing (13) Ball bearing (22) Hex bolt (5) Joint (14) O-ring (23) O-ring (6) Snap ring (15) Clutch input pipe (24) Connector (7) Clutch hub (16) O-ring (25) Hose (8) Ball bearing (17) Sleeve (9) PTO clutch ass’y (18) Seal ring 42hw-201601...
  • Page 206 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor hst modeL A42W412A Components (1) Joint (10) Ball bearing (19) O-ring (2) Snap ring (11) Pto clutch ass'y (20) O-ring (3) Snap ring (12) Stop screw (21) Pto valve (4) Ball bearing (13) Pto clutch shaft (22) Spring washer (5) Main pto shaft (14) Snap ring (23) Hexagon socket bolt (6) Ball bearing (15) Ball bearing (24) O-ring (7) Joint (16) Sealring (25) Connecter (8) Snap ring (17) Sleeve (26) Elbow (9) Clutch hub (18) Clutch input pipe 42hw-201601...

  • Page 207: Pto Drive Shaft

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.6 pto drive shaFt F42W406A Components (1) Joint (9) Gear, PTO1 (17) Oil seal (2) Snap ring (10) Hub, PTO (18) O-ring (3) Ball bearing (11) Sleeve, PTO (19) Cover, PTO (4) Shaft, PTO drive (12) Bush (20) Snap ring (5) Snap ring (13) Gear, PTO2 (21) Hex flange bolt (6) Seal cap (14) Washer (22) Ball bearing (7) Ball bearing (15) Snap ring (23) Plate (8) Bush (16) Shaft, PTO drive (24) Hex flange bolt 42hw-201601...

  • Page 208: Fork, Main Shift [Mec. Model]

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.7 Fork, main shiFt [meC. modeL] F42W407A Components (1) Main shift lever ass’y (10) Main shift fork (19) Band (2) Hex flange bolt (11) Main shifter (20) Main shift lever(lower) (3) Main shift lever (12) Main shift fork shaft (21) Boots (4) Spring pin (13) Main shift fork (22) Snap ring (5) Main shift knob ass’y (14) Pin (23) Spacer (6) Screw (15) Steel ball (24) Spring (7) Main shifter (16) Spring (25) Ball (8) Main shift fork shaft (17) O-ring (26) Pin (9) Spring pin (18) Bolt (27) Case, main shift...

  • Page 209: Lever Ass'y, Range Shift

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.8 Lever ass’y, range shiFt F42W408A Components (1) Range shift fork shaft (6) Shaft, range shift (11) Screw (2) Range shifter (7) O-ring (12) Steel ball (3) Spring pin (8) Range shift lever (13) Spring (4) Range shift fork (9) Spring pin (14) O-ring (5) Hex bolt w/washer (10) Range shift knob(k3) (15) Bolt 42hw-201601...

  • Page 210: Front Drive Shaft

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.9 Front drive shaFt F42W409A Components (1) Couple ring R (9) 4dn drive shaft (17) Hose band (2) Propeller shaft (10) Ball bearing (18) Shaft cover(back) (3) 4nd drive joint (11) Steel ball (19) Stop O-ring (4) Oil seal housing (12) Spring (20) Hex flange bolt (5) O-ring (13) 4dn driven gear (21) Spring pin (6) Oil seal (14) Stop O-ring (22) Spring pin (7) Snap ring (15) Shaft cover(front) (8) Ball bearing (16) Shaft cover boots 42hw-201601...

  • Page 211: 4Wd Lever

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.10 4wd Lever F42W410A Components (1) 4nd lever (6) Washer (11) Washer (2) O-ring (7) Snap pin (12) Snap ring (3) Front wheel shift arm (8) Spring washer (13) Front wheel drive knob ass’y (4) Spring pin (9) PTO lever shaft (14) Screw (5) 4nd lever link (10) 4nd lever 42hw-201601...

  • Page 212: Fork & Lever, Pto

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.11 Fork & Lever, pto F42W411A Components (1) Shaft, PTO change (8) Screw (15) PTO fork shaft (2) O-ring (9) PTO lever link (16) Seal cap (3) Change arm, PTO (10) Washer (17) O-ring (4) Spring pin (11) Snap pin (18) Stop bolt (5) Washer (12) PTO fork (19) Plate (6) PTO change lever (13) Spring (20) Hex plange bolt (7) PTO knob ass’y (14) Steel ball 42hw-201601...

  • Page 213: Ring Gear & Diff.gear Ass'y

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.12 ring gear & diFF.gear ass’y F42W412A Components (1) Differential ass’y (7) Differential side gear l (13) Thrust washer (2) Ring gear ass’y (8) Pinion, differential (14) Washer (3) Differential case(right) (9) Differential stop slider (15) Bolt (4) Differential case(left) (10) Roller (16) Thrust washer (5) Differential shaft (11) Bolt (6) Differential side gear r (12) Spring pin 42hw-201601...

  • Page 214: Differential

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.13 diFFerentiaL F42W413A Components (1) Taper roller bearing (9) Shim (17) Differential spring (2) Spacer (10) Shim (18) Differential fork (3) Spring holder (11) Shim (19) Spring pin (4) Bearing support (12) Shim (20) Spring pin (5) Screw (13) Snap ring (21) O-ring (6) Stop plate (14) Spring holder (22) Adapter (7) Washer ass’y hex bolt (15) Differential pedal (8) Ball bearing (16) O-ring 42hw-201601...

  • Page 215: Driving Part, Rear Axle

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.14 driving part, rear axLe F42W414A Components (1) Housing, rear axle(right) (9) Final gear(left) (17) Bolt (2) Final pinion (right) (10) Rock nut (18) Stud bolt (3) Final gear (right) (11) Ball bearing (19) Pin (4) Housing, rear axle(left) (12) Final pinion(left) (20) Stud bolt (5) Rear axle (13) Snap ring (21) Washer (6) Oil seal (14) Spring washer (22) Hex nut (7) Taper roller bearing (15) Hex nut (23) Bolt (8) Taper roller bearing (16) Bolt 42hw-201601...

  • Page 216: Brake

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.15 Brake F42W415A Components (1) Brake ass’y (left) (6) Boss (12) Dry bush (2) Brake ass’y (right) (7) Snap ring (13) O-ring (3) Cam plate(left) (8) Steel ball (14) Plate (3) Cam plate(right) (9) Spring (15) Hex bolt w/washer (4) Disk (10) Brake lever bush (16) Brake lever (5) Pressure plate (11) Brake inside arm 42hw-201601...

  • Page 217: Brake Pedal

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 4.16 Brake pedaL meC. modeL F42W416A Components (1) Brake rod ass’y (6) Spring pin (11) Snap ring (2) Brake shaft ass’y (7) Spring pin (12) Rubber stopper (3) O-ring (8) Brake pedal (13) Pin (4) Dry bush (9) Return spring (14) Snap pin (5) Brake pedal (10) Washer (15) Stop lamp switch 42hw-201601...
  • Page 218 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor hst modeL A42W413A Components (1) Brake shaft ass'y (6) Snap pin (11) Spring pin (2) Washer (7) Brake pedal (12) Rubber stopper (3) Snap ring (8) Dry bush (13) Stop lamp switch (4) Brake rod ass'y (9) O-ring (14) Return spring (5) Pin (10) Spring pin 42hw-201601...

  • Page 219: Disassembly And Service

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5. disassemBLy and serviCe meC. modeL 5.1 CLutCh housing removaL 1. R emove the engine assembly. K42W413A 5. Remove the steering column assembly (1). K42W410A 2. R emove the dashboard (R, L)(1) and instrument panel cover (2). K42W414A K42W411A 3. Remove the bonnet hinge assembly (1). K42W415A 6. D isconnect the combination lamp wiring connector(1) and remove the fender assembly (2)(LH, RH).
  • Page 220 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W416A K42W419A 7. Remove the footstep (1) and fuel tank (2). 10. R emove the release bearing sleeve (1) and lift the shuttle shaft (2) to separate it from the fork. K42W417A K42W420A 8. R emove the transmission case cover (1), floor mat (2)(LH, RH), dust cover assembly (3). K42W421A 11. U nscrew the clutch housing & transmission case mounting bolts (1)(8EA) & nuts (2)(2EA) and K42W418A remove the clutch housing (3).

  • Page 221: Transmission Case Assembly Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5.2 transmission Case assemBLy disassemBLy 1. R emove the clutch housing assembly. K42W422A 12. R emove the release yoke (1), release shaft (2) and shuttle shaft (3) from the clutch housing. K42W423A 2. R emove the high pressure hose (1) of front outlet valve. K42W424A K42W425A 3. R emove the PTO valve(1) and disconnect the PTO clutch input pipe (2).
  • Page 222 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W426A K42W428A 4. R emove the filter low pressure pipe (1) and hydraulic filter (2). K42W429A K42W427A 5. R emove the 4WD lever link (1) and fuel tank rear supporter (2). Then, unscrew the plug (3) to remove the spring and steel ball from in the hole. K42W430A 6. U nscrew the rear axle case & transmission case mounting bolts (1)(6EA) & nuts (2)(3EA) to...

  • Page 223: Transmission Case Assembly Components Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5.3 transmission Case assemBLy Components disassemBLy K42W431A K42W433A 1. R emove the main shift lever assembly (1). 2. R emove the shuttle shift (1), oil seal cover (2) of main shaft and plate (3). Notes K42W432A • when installing the main shift lever assem- K42W434A bly, set the brake plate protrusion (a) of the pto clutch pack into the groove of the case.
  • Page 224 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Notes K42W436A K42W439A • when installing the main shift 2nd gear, its long boss (a) should face the plate. K42W437A 4 . U nscrew the plug (1) to remove the spring (2), steel ball (3). 5. R emove the main shift drive shaft bearing (1) and main shift 2nd drive gear (2).
  • Page 225 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W443A K42W440A K42W441A K42W444A 7. R e m ove t h e b a l l b e a r i n g (2), s p a c e r (3), reverse drive gear assembly (4), snap ring (5),...
  • Page 226 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W445A K42W447A K42W446A K42W448A 8. R emove the PTO clutch shaft snap ring (1) and 9. R emove the main PTO shaft snap ring (1)(2EA) sleeve (2). Then, remove the PTO clutch shaft (3), and main PTO shaft (2). joint (4), clutch hub (5) PTO clutch assembly (6) simultaneously.
  • Page 227 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission Notes pto CLutCh paCk Components ▶ disassemBLy K42W451A K42W449A K42W452A 11. P ull out the spring pin (1) and remove the main shift fork shaft, main shift fork (1-2nd)(2), (3-4th)(3) and anti-pairing pin (4). K20W4A05 • Pull out the stop ring (1) and remove the spring, pressure plate, plate, disc, brake, pis- ton, case.
  • Page 228 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W453A K42W455B K42W454A K42W456A 12. R emove the main shift driven shaft snap ring (1). 13. R emove the ball bearing (2), main shift 2nd drive Then, remove the main shift drive shaft assembly gear (3), snap ring (4)(2EA), main shift 1st drive (2) and main shift driven shaft assembly (3) gear (5), main shift 4th drive gear (6), snap ring simultaneously.
  • Page 229 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W457A K42W459A K42W460A K42W458A 14. U nscrew the mounting nut (1) and remove the ball bearing (2), spacer (3), main shift 2nd driven gear (4), synchronizer ring (5), sleeve (6), main shift 1st driven gear (7), spacer (8), main shift 4th driven gear (9), synchronizer ring (10), sleeve (11), main shift 3rd driven gear (12) from the main shift driven shaft (13) in order. K42W461A 15. R emove the range shift drive shaft (1). 42hw-201601...

  • Page 230: Hst Model

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor hst modeL 5.1 CLutCh housing removaL 1. R emove the engine assembly. K42W413A 4. Remove the steering column assembly (1). K42W410A 2. R emove the dashboard (R, L)(1) and instrument panel cover (2). K42W414A K42W411A 3. Remove the bonnet hinge assembly (1). K42W415A 5. D isconnect the combination lamp wiring connector (1) and remove the fender assembly (2)(LH, RH). 42hw-201601...
  • Page 231 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W416A A42W414A 6. Remove the footstep (1) and fuel tank (2). 8. R emove the brake rod (1), brake pedal (2). K42W417A A42W415A 7. R emove the transmission case cover (1), floor 9. R emove the HST arm connecting plate (1), HST mat (2)(LH, RH), dust cover assembly (3). arm (2) and elbow (3). 42hw-201601...
  • Page 232 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor A42W416A A42W418A A42W417A A42W419A 10. U nscrew the clutch housing & transmission case mounting bolts (1)(6EA) & nuts (2)(4EA) and remove the clutch housing (3). A42W420A 11. U nscrew the HST mounting bolts (1)(6EA) and remove the HST (2) from the transmission case. 42hw-201601...

  • Page 233: Transmission Case Assembly Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5.2 transmission Case assemBLy disassemBLy 1. R emove the clutch housing assembly. 2. R emove the HST assembly. A42W424A A42W421A 3. Remove the HST pedal pedal assembly (1). A42W425A 6. R emove the PTO valve(1) and disconnect the PTO clutch input pipe (2). A42W422A 4. R emove the high pressure hose (1) of front outlet valve.

  • Page 234: Transmission Case Assembly Components Disassembly

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 5.3 transmission Case assemBLy Components disassemBLy A42W429A A42W426A 1. R emove the PTO clutch cover (1). Notes A42W427A A42W430A • When installing the PTO clutch cover, set the brake plate protrusion (A) of the PTO clutch pack into the groove of the case.
  • Page 235 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission A42W431A A42W433A A42W432A A42W434A 2. R emove the plate (1). 3. R emove the range shift drive shaft (1). 42hw-201601...
  • Page 236 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Notes A42W435A A42W438A 1. During the range shift driven gear installation, make sure that the higher part of boss (A) section toward ball bearing side. A42W436A A42W439A 2. During the range shift C drive gear installation, make sure that the lower part of boss (A) section toward ball bearing side.
  • Page 237 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W445A K42W447A K42W446A A42W440A 5. R emove the PTO clutch shaft snap ring (1) and 6. R emove the main PTO shaft snap ring (1)(2EA) sleeve (2). Then, remove the PTO clutch shaft (3), and main PTO shaft (2). joint (4), clutch hub (5) PTO clutch assembly (6) simultaneously.
  • Page 238 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Notes pto CLutCh paCk Components disassemBLy ▶ A42W441A K42W449A K42W476A 7. P ull out the spring pin (1) and remove the range shift shifter (2). Then, remove the range shift fork shaft (3) and range shift driven gear 2nd (4) K20W4A05 simultaneously. • Pull out the stop ring (1) and remove the spring, pressure plate, plate, disc, brake, pis- ton, case.
  • Page 239 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission Notes A42W442A K42W479A • When installing the 4WD gear, its higher boss (A) should face the range shift driven gear 1st. K42W478B 8. P ull out the snap ring (1) and remove the range shift driven gear 1st (2), 4WD gear (3) and snap ring (4). A42W444A 10. U nfold the caulking part of the counter shaft mounting nuts (1) to unscrew the mounting nuts.

  • Page 240: 4Wd Shaft Disassembly [Mec. Model/Hst Model]

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 5.3.1 4wd shaFt disassemBLy [meC. modeL/hst modeL] Notes main shiFt driven shaFt disassemBLy ▶ K42W463A 1. P ull out snap ring (1) and remove the 4WD gear (2). K42W462A • When installing the range shift drive gear, its long boss (A) should face the clutch housing.

  • Page 241: Rear Axle Case Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5.4 rear axLe Case disassemBLy K42W465A K42W467A 1. R emove the ROPS (1). K42W466A 3. R emove the spring pin (1) from the outside of the transmission case, 4WD lever (2) and front wheel K42W468A shift arm (3). 2. R emove the position control knob (1) and lever cover (2). K42W469A 3. R emove the range shift lever knob (1), PTO lever knob (2) and lever cover (3).
  • Page 242 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W470A K42W472A 4. U nscrew the seat bracket mounting bolts (1)(4EA) and remove the seat bracket (2) and seat (3) simultaneously. K42W473A 6. U nscrew the hydraulic cylinder case mounting bolts (1)(5EA), nuts (2)(5EA) to remove the hydraulic cylinder case (3). K42W471A 5. R emove the top link (1), lift link assembly (2) and...
  • Page 243 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W475A K42W477A K42W476A K42W478B 8. P ull out the spring pin (1) and remove the range 9. P ull out the snap ring (1) and remove the range shift shift shifter (2). Then, remove the range shift driven gear 1st (2), 4WD gear (3) and snap ring (4). fork shaft (3) and range shift driven gear 2nd (4) Notes simultaneously. K42W479A • when installing the 4wd gear, its higher boss (a) should face the range shift driven gear 1st.

  • Page 244: Rear Axle Drive Section Disassembly

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 5.4.1 rear axLe drive seCtion disassemBLy K42W4B9A K42W480A 10. U nfold the caulking part of the counter shaft mounting nuts (1) to unscrew the mounting nuts. Then, remove the counter shaft in the rear axle case by tapping outside direction. (Remove the...
  • Page 245 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W482A K42W484A K42W483A K42W485A 2. U nscrew the rear axle housing mounting bolts (1)(7EA) and nuts (2)(2EA) to remove the rear axle housing assembly (3). K42W486A 3. P ull out the snap ring (1) of the rear axle housing f inal pinion to remove the f inal pinion (2).

  • Page 246: Brake Assembly Disassembly

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 5.4.2 Brake assemBLy disassemBLy Notes K42W488A K42W487A 1. Remove the rear axle housing assembly (1). • When installing the final gear, its higher boss (a) should toward the inside. K42W489A K42W490A 2. R emove the pressure plate (1) and disc (2). 42hw-201601...
  • Page 247 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission K42W491A K42W494A K42W492A K42W495A K42W493A K42W496A 3. R emove the spring (1), cam plate (2) and steel 4. R emove the inner arm (1) in the rear axle case. ball (3). 42hw-201601...

  • Page 248: Pto Shift Gear Disassembly

    Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 5.4.3 pto shiFt gear disassemBLy K42W497A K42W4A1A 1. Remove the PTO cover (1) and seal cap (2). 3. U nscrew the PTO fork shaft mounting bolt (1) and remove the PTO shift shaft mounting plate (2). Then, pull out the PTO shift shaft (3) to remove it from the PTO fork groove. K42W498A K42W4A2A K42W499A 2. P ull out the snap ring (1) and remove the plate (2) and PTO drive gear shaft (3). K42W4A3A 4. P ull out the PTO fork shaft (1) and remove the PTO fork (2), steel ball (3) and spring (4).

  • Page 249: Differential System Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission 5.4.4 diFFerentiaL system disassemBLy 1. R emove the rear axle case from the transmission. Then, remove the rear axle housing and hydraulic cylinder case. K42W4A4A K42W4A7A HST MODEL K42W4A5A K42W4A7A K42W4A66A 5. U nscrew the PTO shaft cover bolts (1) to remove the PTO shaft (2), ball bearing (3), PTO driven gear 1st (4), PTO hub sleeve (5), PTO driven gear 2nd (6) and washer (7). K42W4A8A 2. P ull out the differential lock pedal spring pin (1) and remove the differential lock pedal (2) in the arrow direction. Then, remove the differential fork...
  • Page 250 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor IMPORTANT K42W4A9A K42W4C1A 3. Remove the PTO drive gear shaft (1). • when installing the screw (1) to the bear- ing support, tighten it to the specified torque and caulk the mounting plate (2) to the screw groove to fix the screw firmly.
  • Page 251 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 4 transmission DIffERENTIAL SySTEM COMPONENTS DISASSEMbLy U600W3A37A K42W4B5a 3. Remove the ball bearing(1) and differential lock hub (2). Notes K42W4B3a 1. Invert the rear differential system assembly to remove the taper roller (1). U600W3A41A • When installing the final gear, its higher boss (A) should toward the inside. K42W4B4a 2. Unscrew the differential system case 1 mounting bolts (1) and remove the ring gear (2). K42W4B6a 4. Unscrew the differential system case 2 mounting...
  • Page 252 Chapter 4 transmission 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K42W4B7a K42W4B8a 5. Remove the washer (1) and side gear (2). 8. Install in the reverse order of removal. IMPORTANT U600W3A48A • when installing the roller to the differential U600W3A45A case, the flat end of the roller should face the 6. Pull out the differential shaft 2 mounting spring groove of the side gear.
  • Page 253 Chapter 5 Front axle taBle oF ContentS 1. overview ..........5-2 5. diSaSSemBly and ServiCe .....5-13 1.1 Specifications ........5-2 5.1 F ront axle case assembly removal ..5-13 1.2 Tightening torque for major components..5-2 5.2 F ront axle case component disassembly .. 5-17 1.3 Power transfer ........5-3 5.2.1 Front gear case ......5-17 1.4 Knuckle section ........5-4 5.2.2 Front differential ......5-23 5.2.3 Front differential assembly 2.

  • Page 254: Overview

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 1. overview 1.1 SpeCiFiCationS Tread ........7 - 16: S tandard - 1,151 mm (45.315 in) Narrow - 1,104 mm (43.465 in) 8 - 16: S tandard - 1,201 mm (47.283 in) Narrow - 1,130 mm (44.488 in) Tire size ........7 - 16 6PR / 8 - 16 6PR Front wheel alignment ..... Toe-in: 4 - 8 mm (0.157 - 0.315 in.) Oil ........... S tandard: TF500, �ear oil ��0 equivalent goods Standard: TF500, �ear oil ��0 equivalent goods Capacity: 6.4 ℓ (1.6� u.s.gal) Differential system ....Pinion and ring gear backlash: 0.15 - 0.2 mm (0.005� - 0.007� in.) Pinion drive torque: 0.032 - 0.16 kgf.m...

  • Page 255: Power Transfer

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 1.3 power tranSFer K25W555A (1) Drive pinion (5) � bevel gear (�) 4� front final gear (2) Ring gear (6) 1� bevel gear (10) Front spindle (3) Differential case (7) Front 2nd shaft (4) Front 1st shaft (8) 11 bevel gear When the 4WD mode is selected, rotating force from the 4WD shaft of the transmission is passed through the propeller shaft and is delivered to the front axle section through the drive pinion (1) of the front axle case. The 12 gear of the drive pinion is engaged with the 25 ring gear (2) of the front differential, rotating together at the reduced speed, and the differential case (3) integrated with the ring gear is rotated as well. Then, as the differential pinion shaft is rotated together, the differential pinion gear and differential side gear are engaged with each other, rotating together. Therefore, this rotating force is transmitted to the front 1st shaft (4) since it is fixed to the differential side gear with splines. After the rotating force is passed through the front 1st shaft, it is delivered to the front gear case through the � bevel gear (5) and 1� bevel gear (6). Then, it is passed to the 4� front final gear (�) through the front 2nd shaft (7) and 11 bevel gear (8). Finally, this force is delivered to the front wheels installed to the 4� front final gear to turn the wheels. 42hw-201601...

  • Page 256: Knuckle Section

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 1.4 KnuCKle SeCtion K25W556A (1) Oil cap assembly (6) Ball bearing (11) Ball bearing (2) Oil seal (7) Ball bearing (12) O-ring (3) Ball bearing (8) Ball bearing (13) Shim (4) Ball bearing (�) Oil seal (5) Oil seal (10) Sleeve The knuckle section is a part to perform driving and steering functions in the front axle section, and it (knuckle arm + front gearbox) revolves around the fixed king pin section (front gear case). Four vertically set ball bearings and three laterally set ball bearings withstand vertical and lateral load applied to the front axle. Also, the rotating parts of the front spindle and front gear box are equipped with special oil seals to ensure superior sealing performance even in a wet condition. 42hw-201601...

  • Page 257: Inspection And Adjustment

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 2. inSpeCtion and adjuStment 2.1 toe-in 1. Park the tractor on firm level ground and turn the steering wheel to set both front wheels in the straight ahead position. Then, stop the engine. Front F42W149A 5. If the result is out of the specification, unscrew the tie-rod end mounting nut (1) from the knuckle arm and turn the rod (2) to adjust the distance K20W501A between the centers.

  • Page 258: Troubleshooting

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 3. trouBleShooting proBlemS CauSe or Symptom Solution • Adjust the toe-in (4 - 8 mm). • Poorly adjusted toe-in The front wheels rattle. • I nflate the tire to the proper • Abnormal tire inflation pressure pressure level (2.0 kgf/cm • Adjust the toe-in. • Poorly adjusted toe-in The front tires are worn • A djust the tire pressure to excessively. • Excessive inflation pressure the proper level. • Poorly adjusted toe-in • Adjust the toe-in.

  • Page 259: Sectional View For Major Components

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 4. SeCtional view For major ComponentS 4.1 Center pin Support F42W501A ComponentS (1) O-ring (6) Bush (11) Spring Washer (2) Bush (7) O-ring (12) Hex Bolt (3) Front Axle Supprot Ass’y (8) Rear Axle Supprot Ass’y (13) Case (4) Nipple,grease (�) Plate (5) O-ring (10) Hex Flange Bolt 42hw-201601...

  • Page 260: Tie Rod

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.2 tie rod F42W502A ComponentS (1) Tie rod ass’y, L (6) Cotter pin (11) �rease nipple (2) Tie rod ass’y, R (7) Ring (12) Knuckle arm(L) (3) Nut (8) Cover (13) Knuckle arm(R) (4) Nut (�) Clip (5) Nut (10) Cover 42hw-201601...

  • Page 261: Ring Gear And Differential Gear

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 4.3 ring gear and diFFerential gear Q25W502B ComponentS (1) Ring gear ass’y (�) Case (16) Ball bearing (1-1) Drive pinion (�) Case (17) Liner (1-2) Ring gear (10) Front first shaft (18) Differential gear 14 (2) Roller bearing (10) Front first shaft (1�) Differential gear 10 (3) Snap ring (11) Front first shaft (20) Liner (4) Collar (11) Front first shaft (21) Shaft, differential pinion (5) O-ring (12) Snap ring (22) Spring pin (6) Bush (13) Ball bearing (23) Pin (7) Oil seal (14) Differential case...

  • Page 262: 4Wd Gear Case

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.4 4wd gear CaSe K25W54�B ComponentS (1) Oil level (14) Housing front gear (2�) Front second shaft (2) O-ring (15) Lock nut (30) Seal (3) Bolt w/washer (16) Ball bearing (31) Ball bearing (4) Reamer blot (17) �ear brvel 4�T (32) �ear bevel 11T (5) Oil seal (18) Snap ring (33) Bearing (6) Ball bearing (1�) Shim 0.2T (34) Bolt(m14x1.5P) (7) Housing front gear (20) Shim 0.5T (35) Spring, washer (7) Housing front gear (21) O-ring (36) Cap, oil (8) O-ring (22) Housing front bearing (37) Hex net (�) Front first pinion...

  • Page 263: Spacer

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 4.5 SpaCer F42W503A ComponentS (1) O-ring (3) Spring Washer (2) Pin (4) Bolt 42hw-201601...

  • Page 264: Front Drive Shaft

    Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor 4.6 Front drive ShaFt F42W409A ComponentS (1) Couple ring R (�) 4th drive shaft (17) Hose band (2) Propeller shaft (10) Ball bearing (18) Shaft cover(back) (3) 4th drive joint (11) Steel ball (1�) Stop O-ring (4) Oil seal housing (12) Spring (20) Hex flange bolt (5) O-ring (13) 4th driven gear (21) Spring pin (6) Oil seal (14) Stop O-ring (22) Spring pin (7) Snap ring (15) Shaft cover(front) (8) Ball bearing (16) Shaft cover boots 42hw-201601...

  • Page 265: Disassembly And Service

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 5. diSaSSemBly and ServiCe 5.1 Front axle CaSe aSSemBly removal 1. Park the tractor on firm level ground. notes propeller ShaFt diSaSSemBly and ▶ aSSemBly K25W502A 2. Unscrew the drain plug (1) on the bottom of the F42W505A front axle case to drain oil from the front axle case.
  • Page 266 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor notes propeller ShaFt diSaSSemBly and aSSemBly ▶ Propeller shaft F42W509A Unscrew the cover mounting bolts (1) and Unscrew the mounting bolts (�) of the shaft remove the cover (2). Then, remove the c over (RR) and pull out the shaf t c over...
  • Page 267 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle F42W510A F42W512A 4. Place a stand under the engine oil pan. With the front of the tractor lifted slightly, remove the front tires. Caution F42W513A 5. Suppor t the front axle case with a por table hydraulic jack or hoist. Then, unscrew the mounting bolts (1) of the front and rear supports to separate the supports from their front axle F42W511A bracket.
  • Page 268 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor F42W514A K25W509A 7. Unscrew the slotted nut (1) of the tie rod end from the front axle case assembly and unscrew the PST cylinder mounting bolt (2) to separate the PST cylinder (3). When re-installing the PST cylinder, apply Loctite to the threads of its mounting bolt.

  • Page 269: Front Axle Case Component Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 5.2 Front axle CaSe Component diSaSSemBly 5.2.1 Front gear CaSe K25W510A K25W511A 1. Unscrew the front bearing case mounting bolts (1) and remove the front spindle (2) and front bearing case (3) assembly together. item torque value 51.9±6.� N.m Mounting bolt 5.3±0.7 kgf.m...
  • Page 270 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K25W512A K25W515A 4. Remove the bearing seal (1), ball bearing (2) and front 2nd shaft (3) from the front gearbox by lifting them up. notes K25W513A K25W516A • during the front 2nd shaft installation, make sure that the long side section (a) of the spline is toward the bevel gear 11t.
  • Page 271 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle K25W518A K25W520A K25W521A K25W519A 6. Unscrew the front axle case support bolts (1) to 7. Pull out the snap ring (1) for hole and remove separate the front gear case assembly (2). the shim (2) and front 1st shaft pinion (3). At this moment, check the amount of the shims...
  • Page 272 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor notes K25W522A K25W523A 8. Remove the oil seal (1) from the front gear case. Then, remove the deep-groove ball bearing (2) and front 2nd shaft gear (3). K25W553A • adjust the backlash between the front 1st shaft pinion (1) and front 2nd shaft gear (2) to 0.15 - 0.3 mm (0.006 - 0.012 in.) using 0.2t, 0.3t and 0.5t shims (3).
  • Page 273 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle K25W554A 10. Remove the bearing (1) and front final gear (2). Then, remove the adjust shim (3). K25W525A K25W526A 42hw-201601...
  • Page 274 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Front Spindle inStallation 1. Insert the front final gear into the front spindle, install the washer, lock washer and mounting bolt and tighten the bolt to the specified torque. Then, bend the lock washer to press it against the bolt head.

  • Page 275: Front Differential

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 5.2.2 Front diFFerential K25W529A K25W531A K25W533A K25W530A 1. Unscrew the front gear case mounting bolts (1) to remove the front gear case (2), spacer (3) and front 1st shaft (4) together. item torque value 88.2 N.m Mounting bolt �.0 kgf.m 64.8 lbf.ft notes • apply grease to the o-ring (5) of the front axle case when re-installing it.
  • Page 276 Chapter 5 Front axle 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor K20W542A K20W544A K20W543A K20W545A 3. Unscrew the seal collar (1) from the drive pinion, 4. Pull out the collar (1) and snap ring (2). Then, pull out the oil seal (2) and remove the taper roller remove the drive pinion (3) by pushing into the bearing (3). front axle case hole. 42hw-201601...

  • Page 277: Front Differential Assembly Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtor Chapter 5 Front axle 5.2.3 Front diFFerential aSSemBly diSaSSemBly K25W534A K25W537A 3. Pull out the spring pin (1) from the knock pin hole of the differential case. Then, remove the differential pinion shaft (2) and differential pinion gear 10 (3) together. And then, remove the differential side gear and liner (4).
  • Page 278 ........................................................................................................................................................................................................................................................................................................................................................................................................................BranSon tractors Co. ltd...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 279 Chapter 6 hydrauliC system taBle OF CONteNts 1. CirCuit diaGram FOr 4.9.1 Hydraulic filter ....... 6-35 hydrauliC system ......6-3 4.9.2 HST filter [HST MODEL] ....6-36 2. diaGram FOr hydrauliC system .. 6-5 4.10 HST(Hydrostatic Transmission) [HST MODEL] ........6-37 3. majOr COmpONeNt speCiFiCatiONs .. 6-7 4.10.1 HST passage composition ...
  • Page 280 taBle OF CONteNts 7. disassemBly aNd serviCe .... 6-70 8. iNspeCtiON, adjustmeNt aNd test .. 6-97 7.1 Hydraulic cylinder case assembly 8.1 PST valve ..........6-98 disassembly and assembly ....6-70 8.1.1 Relief valve pressure test ..... 6-98 7.2 Control valve disassembly ....6-76 8.2 PTO valve ..........6-98 7.3 Rear SCV valve disassembly ....6-82 8.2.1 Sequence valve pressure test ..6-98 7.4 PTO valve disassembly .......6-84 8.3 Front outlet valve .........6-99 7.5 Front outlet valve disassembly ....6-86 8.3.1 Relief valve pressure test .....

  • Page 281: Circuit Diagram For Hydraulic System

    015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR CHAPTER 6 HYDRAULIC SYSTEM 1. CIRCUIT DIAgRAM FOR HYDRAULIC SYSTEM MEC. MODEL: 015R/515R/4015R/F6R/F42R FRONT SCV ASSEMBLY FRONT OUTLET VALVE SPECIFICATIONS (PTO VALVE) SPECIFICATIONS (PST VALVE) SAFETY VALVE PTO VALVE SPECIFICATIONS (FRONT OUTLET VALVE) PST VALVE CONTROL VALVE FRONT OUTLET VALVE REAR SCV (OPTION) SPECIFICATIONS (CONTROL VALVE) PUMP SPEC...
  • Page 282 CHAPTER 6 HYDRAULIC SYSTEM 015R(h)/515R(h)/4015R(h)/F6R(h)/F42R(h) TRACTOR HST MODEL: 015h/515h/4015h/F6h/F42h FRONT SCV ASSEMBLY FRONT OUTLET VALVE SPECIFICATIONS (PTO VALVE) SPECIFICATIONS (PST VALVE) SAFETY VALVE PTO VALVE SPECIFICATIONS (FRONT OUTLET VALVE) PST VALVE CONTROL VALVE FRONT OUTLET VALVE REAR SCV (OPTION) SPECIFICATIONS (CONTROL VALVE) SPECIFICATIONS (SECTIONAL VALVE) PUMP SPEC PST PUMP...

  • Page 283: Diagram For Hydraulic System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 2. diaGram FOr hydrauliC system meC. mOdel F42W610D (1) PST cylinder (4) PST valve (7) PTO valve (2) Hydraulic pump (7 cc) (5) Front outlet valve (8) Rear relief valve (3) Hydraulic pump (13 cc) (6) Hydraulic filter (9) Hydraulic cylinder case The hydraulic system can be divided into two parts; implement section and steering/PTO section. Firstly, the implement section receives hydraulic oil from the primary gear pump (13 cc/rev.) and supplies this oil to the SCV valve (if equipped) or front outlet valve for load operation, SCV (rear) valve (if equipped) for rear implement operation and control valve, which is the lift valve for the 3-point hitch, in order.
  • Page 284 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr hst mOdel a42W603B (1) PST cylinder (6) Hydraulic filter (11) HST filter (2) Hydraulic pump (7cc) (7) PTO valve (12) Oil cooler (3) Hydraulic pump (13cc) (8) Rear relief valve (13) HST (4) PST valve (9) Hydraulic cylinder case (5) Front outlet valve (10) Control valve For the HST model, the hydraulic circulation circuit of the primary gear pump (13 cc/rev.) is the same to the one for the mechanical model. However, these two models have different methods for hydraulic pressure delivery of the secondary gear pump (7.0 cc/rev.). Hydraulic oil supplied from the secondary gear pump is used to operate the PST valve and PTO valve. Then, it is carried from the PTO valve into the HST filter to be filtered. After filtered, it is led into the oil cooler to be...

  • Page 285: Major Component Specifications

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 3. majOr COmpONeNt speCiFiCatiONs 3.1 pst valve OpeN CeNter, NON-lOad reaCtiON type type iNteGral relieF valve 12.8 - 13.5 MPa Relief valve setting pressure 130 - 137 kgf/cm at 8 ℓ/min 1,857 - 1,959 psi Capacity 74 cc/rev Rated flow 8 ℓ/min 13.7 MPa Max. system pressure 140 kgf/cm 1,988 psi 3.4 MPa Maximum back pressure 35 kgf/cm 498 psi 95 ℃...

  • Page 286: Front Outlet Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 3.4 FrONt Outlet valve Relief valve setting pressure 180 ~ 185 kgf/cm Max pressure 250 kgf/cm 3.5 rear sCv valve Relief valve setting pressure 180 ~ 185 kgf/cm Nominal flow 30 ℓ/min. Max. pressure 210 kgf/cm 3.6 ptO valve Sequence valve setting pressure 16.0 kgf/cm Operating flow 5 ~ 19 ℓ/min. Max pressure 40 kgf/cm 3.7 hst [hst mOdel] Pump 0 ~ 28.1 cc/rev Displacement Motor 28.1 cc/rev...

  • Page 287: Oil Cooler [Hst Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 3.8 Oil COOler [hst mOdel] Air flow 5 m/sec Flow 20 LPM Heat rejection rate Min. 4,400 kcal/h 3.9 pst CyliNder Type Double-rod double acting type Rod O.D. Ø 30 mm Cylinder I.D. Ø 55 mm Stroke 184.4 mm Relief setting pressure 130 kgf/cm 3.10 hydrauliC Filter Filtering area 4,972 cm Max. fineness 110 ± 8 µ 3.11 hst Filter [hst mOdel]...

  • Page 288: Structure And Operation

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4. struCture aNd OperatiON 4.1 steeriNG valve 4.1.1 Overview PST VALVE PTO VALVE FRONT OUTLET VALVE F42W622a turning direction of the steering wheel. Then, the corresponding PST cylinder is extended or retracted to turn the vehicle to the desired direction. Then, oil used from the PST cylinder is returned to...

  • Page 289: Internal Structure And Operating Principle

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.1.2 iNterNal struCture aNd OperatiNG priNCiple 4-PF1/4-19 Cross section X - X Cross section C - C Cross section a - a a42W605B (1) Dust seal (9) Washer Washer (17) �land bushing �land bushing (25) Bushing Bushing (2) Retaining ring (10) O-ring O-ring (18) Plate Plate (26) Spring Spring (3) �uad ring �uad ring (11) O-ring O-ring (19) Cap screw Cap screw...
  • Page 290 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K20W602a (1) Spool (3) Pin (5) Drive shaft (2) Sleeve (4) Leaf spring (6) �erotor (inner rotor) The steering wheel is engaged with the steering valve spool with splines. Therefore, when the steering wheel is turned, the spool is turned as well. The spool (1) is covered with the sleeve (2) and these are fixed by the pin (3). Therefore, when the spool is turned by the steering wheel, this pin is rotated as well to turn the sleeve. The inside diameter of the pin hole of the sleeve is matched to the outside diameter of the pin, so the pin fits to the hole tightly. However, the pin hole of the spool is larger than the pin. Therefore, when the spool is rotated, the sleeve cannot be rotated with the spool immediately, but it is rotated approx. 10 degrees (the amount of free play of the spool pin hole) behind the spool. For example, when the steering wheel is being turned clockwise, the sleeve is turned approx. 10 degrees behind the spool, so the holes for the right turn among the...

  • Page 291: Examples Of Steering Wheel Operation

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.1.3 examples OF steeriNG wheel OperatiON Neutral leFt turN PST VALVE PST VALVE PTO VALVE PTO VALVE F42W623a F42W624a Hydraulic oil delivered from the secondary gear When the steering wheel is turned counterclockwise, pump is sent to the PST valve through the port P.
  • Page 292 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr riGht turN OpeNiNG relieF valve PST VALVE PST VALVE PTO VALVE PTO VALVE F42W625a F42W626a When the steering wheel is turned clockwise, the When the PST cylinder is moved to the left or right sleeve is turned clockwise approx. 10 degrees end and there is no more space to move further,...
  • Page 293 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system maNual steeriNG (leFt turN) PST VALVE PTO VALVE F42W627a When the steering wheel is turned with the engine stopped, the spool, sleeve and �erotor pump are rotated as described previously. For example, w hen t he ste er in g w he el is manually tur ne d...

  • Page 294: Pst Cylinder

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.2 pst CyliNder F42W613a (1) Cylinder tube (3) U-packing (5) Piston (7) X-ring (9) Bushing (2) Piston rod (4) Dust seal (6) Backup ring (8) O-ring (10) Stop ring (type C) The PST cylinder is a double-rod double acting type cylinder which performs double rod operation for steering without a need of a separate tie rod. item speCiFiCatiONs Type Double-rod double acting piston Rod O.D. (mm) ø 30 Cylinder I.D. (mm) ø 55 Cylinder O.D. (mm) ø 65 Stroke (mm) 184.4 Weight 7.8 kg Relief setting pressure...

  • Page 295: Hydraulic Pump

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.3 hydrauliC pump PRIMARY PUMP SECONDARY PUMP F42W614a The hydraulic pump is a gear type and consists of the primary pump as the main pump (13 cc/rev) and secondary pump as the steering pump (7.0 cc/rev). The drive shaft set between these two pumps receives engine power directly through the drive gear of the engine crankcase.

  • Page 296: Pto Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.4 ptO valve P-PORT PF3/8 T-PORT G2-PORT PF1/4 CL-PORT LBR-PORT G1-PORT PF1/4 F42W615a (1) Solenoid valve (2) Sequence valve (3) DRV valve The PTO valve is installed to the rear right side of the transmission case. It receives oil from the PST valve to lubricate and operate the PTO clutch and it is turned ON and OFF by the PTO switch.
  • Page 297 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system PTO OFF PTO VALVE PTO VALVE PST VALVE PST VALVE F42W628a F42W629a The port T of the PST valve discharges hydraulic oil The electric solenoid spool is turned ON and OFF continuously regardless of movement of the steering by the driver's operation of the PTO switch. When wheel and all of this oil is flowed to the port P of the the main spool is OFF, The flow P sent from the PTO valve. The PTO valve consists of the sequence...

  • Page 298: Rear Scv Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.5 rear sCv valve PTO ON F series-eu: 2 POrTs sTaNdard PTO VALVE 35HW601a F series-au: 4 POrTs sTaNdard, 15 series-us: 4 POrTs OPTiONal PST VALVE F42W630a When the PTO switch is set the ON position by the...
  • Page 299 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system The spools of the rear SCV valve are double acting valves, but they also can be used for implements equipped with single acting cylinders. as shown in the circuit diagram above, when hydraulic oil is applied to the port connected to the single acting cylinder, this single acting cylinder is extended.

  • Page 300: Front Outlet Valve Assembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.6 FrONt Outlet valve assemBly F42W619a F42W618a The front outlet valve assembly is installed under the front section of the step on the right side. It is connected to the main gear pump (primary pump)
  • Page 301 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system F42W632a The front outlet valve assembly is an open center type. When this valve (i.e. loader) is not in use, hydraulic oil from the hydraulic pump is passed through this valve and is supplied to the rear SCV valve after it. Passing hydraulic oil to the next device...

  • Page 302: Control Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.7 CONtrOl valve Overview ▶ K25W69\3a K25W692a The control valve is installed in the hydraulic cylinder cover and it receives oil at a high pressure from the front outlet valve or the rear SCV valve (if equipped) through carryover operation. The internal spool is operated according to the position of the control lever to lift or lower the lift arm or set it in the neutral status. COmpONeNts ▶ 9, 16 6, 17 4, 15, 18...
  • Page 303 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system OperatiNG priNCiple ▶ For example, if the position ordered by the position control lever is higher than the current position of the lower link, the main spool of the valve is pushed in by the link structure set in the hydraulic cylinder case. Then, hydraulic oil is supplied to the cylinder to lift the lift arm and lower link.

  • Page 304: Operation And Oil Flow

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.7.1 OperatiON aNd Oil FlOw Neutral ▶ �25W623a (1) Safety valve (3) Load check valve (5) Main spool (7) Oil tank (2) Slow return valve (4) Mechanical valve (6) Unload valve The pressure (b) applied to the back of the unload valve spring is removed. (it opens the spool and is sucked into tank.) as the unload valve is opened by the pressure (a), the oil in the pump is returned to the tank and the pressure drops. The load check valve and mechanical check valve are kept closed. 42hw-201601...
  • Page 305 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system liFtiNG (rapid liFtiNG) ▶ Operation Oil flow �25W624a (1) Safety valve (3) Load check valve (5) Main spool (7) Oil tank (2) Slow return valve (4) Mechanical valve (6) Unload valve The unload valve is applied with the pilot pressure (a) and (b) so it is closed by the spring force. as the pressure in the pump rises, oil flows through the flow passage in the spool and opens the load check valve to flow into the cylinder (rapid lifting). The mechanical check valve is kept closed.
  • Page 306 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr liFtiNG (lOw-speed liFtiNG) ▶ Operation Oil flow �25W625a (1) Safety valve (3) Load check valve (5) Main spool (7) Oil tank (2) Slow return valve (4) Mechanical valve (6) Unload valve as the hydraulic lift is lifted, the feedback link is moved to push the main spool closer to the neutral position. Then, the mechanical valve open slightly and the oil flow of main spool to return oil back to the tank. But the majority of oil is led into the cylinder to reduce shock occurred by lifting operation. 42hw-201601...
  • Page 307 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system lOweriNG ▶ Operation Oil flow �25W626a (1) Safety valve (3) Load check valve (5) Main spool (7) Oil tank (2) Slow return valve (4) Mechanical valve (6) Unload valve Oil in the hydraulic pump opens the unload valve and enters the tank as in the neutral state. as oil in the hydraulic cylinder moves the spool, the mechanical valve, which is directly connected to the main spool with the pin, is opened to return the oil back to the tank.

  • Page 308: Control Lever Operation

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.7.2 CONtrOl lever OperatiON lOweriNG ▶ �25W627a (1) Lift arm (2) Control lever (3) Control valve (4) Feedback rod When setting the control lever to the Lowering position, pressure applied to the spool is released so the spool is returned to its original position by the spring. Therefore, oil in the cylinder is returned back to the tank, the lift arm is lowered, and the spool is returned to the neutral position by the feedback rod. 42hw-201601...
  • Page 309 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system liFtiNG ▶ �25W628a (1) Lift arm (2) Control lever (3) Control valve (4) Feedback rod When the control lever is set to the Lifting position, the control valve spool behind the hydraulic cylinder case is pressed and oil is flowed into the cylinder. Then, the piston lifts the lift arm. However, as the feedback rod installed to the lift arm is operated to provide a lifting signal in this state, the spool of the control valve is returned to the neutral position even with the control lever still in the lifting position. Therefore, the spool is returned to the neutral position during the lowering operation as well.

  • Page 310: Hydraulic Cylinder Case Assembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.8 hydrauliC CyliNder Case assemBly 4.8.1 hydrauliC CyliNder Case COmpONeNts K20W6a35a (1) Safety valve (4) Lift/Lowering valve (7) Lift arm (2) Lowering speed control valve (5) Piston rod (8) Draft lever assy (3) Cylinder assy (6) Lift crank (9) Position lever assy 42hw-201601...

  • Page 311: Safety Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.8.2 saFety valve K25W641a (1) Safety valve ass’y (4) O-ring (7) Spring (10) O-ring (2) Nut (5) Body, safety valve (8) Ball guide (3) Bolt (6) O-ring (9) Steel ball The piston of the hydraulic cylinder case is supplied with hydraulic oil through the lift solenoid valve of the control valve. If the lift arm is overloaded by this oil, pressure in the circuit rises continuously. In other words, if impact pressure is applied from an external source to an implement and this pressure...

  • Page 312: Stop Valve (Also As Slow Return Valve)

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.8.3 stOp valve (alsO as slOw returN valve) K25W643a Stop valve is used to stop lowering or adjust the lowering speed of the hydraulic lift. When turning the handle counterclockwise, the lowering speed of the lift arm increases. Turning it clockwise slows down the lowering speed. also, when turning it clockwise to its end, the oil flow passage is blocked so the lift arm is stopped at the current position. K25W644a 42hw-201601...

  • Page 313: Hydraulic Filter And Strainer

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.9 hydrauliC Filter aNd straiNer 4.9.1 hydrauliC Filter F42W633a T h e h y d r a u l i c f i l t e r i s i n s t a l l e d u n d e r t h e transmission to filter oil in the oil tank (transmission) before this oil is delivered to the gear pump.

  • Page 314: Hst Filter [Hst Model]

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.9.2 hst Filter [hst mOdel] a42W648B The HST filter is installed below the right floor. As oil delivered from the PTO valve side passes through the HST filter, it is filtered before it returns into the oil cooler for cooling and flows into the HST. a42W607a speCiFiCatiONs ▶ Filtering area 2,677 cm Number of folds 105 × 17 × 75 folds Folding width Rated flow 30 ℓ/min...

  • Page 315: Hst(Hydrostatic Transmission)

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.10 hst(hydrOstatiC traNsmissiON) [hst mOdel] 4.10.1 hst passaGe COmpOsitiON a42W608B (1) PTO valve (2) HST filter (3) Oil cooler (4) HST The HST (Hydro-Static Transmission) consists of the variable capacity pump, fixed capacity motor, check valve, high-pressure relief valve, etc. and it is installed to the transmission to supply turning force to the transmission. The input shaft of the HST is connected to the spring damper which is installed to the flywheel of the engine with the spline. to receive turning force from the engine. Its HST pump is driven by receiving this turning force through the input shaft of the HST, and hydraulic oil led into the HST is sent to the hydraulic motor to supply new rotating force to the transmission. As the HST pump can adjust hydraulic flow variably, it can adjust the speed of the HST motor variably and the rotating direction of the motor through the internal swash plate for forward and reverse driving. 42hw-201601...

  • Page 316: Exterior Dimension

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.10.2 exteriOr dimeNsiON - pg β - - B - - pg α - 26.5 ±0.2 (97.5) 265.5 18゜ 18゜ β α α β 91 MAX 91 MAX a42W609B 42hw-201601...

  • Page 317: Circuit Diagram

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.10.3 CirCuit diaGram (Forward) (Reverse) a42W610B (1) HST pump (4) Neutral valve (7) HST motor (2) Oil cooler (5) Charge relief valve (3) Neutral valve (6) Main relief valve 42hw-201601...

  • Page 318: Hst Pump

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.10.4 hst pump 4.10.5 hst mOtOr a42W611a a42W612a C865W712a C865W713a (1) Piston (3) Swash plate (1) Piston (2) Shaft (2) Shaft The motor in the HST has a shape similar to the The pump in the HST is equipped with several pistons (1) pump, but it is equipped with the fixed swash plate, to control hydraulic flow with reciprocating motion. Also, making it a fixed capacity type. it uses its swash plate (3) to hydraulic flow and flow after hydraulic oil is compressed in the pump, it direction. The piston attached to its cylinder is in contact...

  • Page 319: Charge Relief Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.10.6 CharGe relieF valve K25W661B (1) Charge relief valve (Forward) Check valve Charge relief valve Motor Pump Check valve (Reverse) a42W614a Most of oil is circulated in between the pump and motor in the HST. There is no separate charge pump.

  • Page 320: Neutral Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.10.7 Neutral valve K25W662B Speed Distance (Reverse) (Forward) Neutral section C865W715a 42hw-201601...
  • Page 321 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system Neutral (Forward) Check valve Charge relief valve Pump Motor Check valve (Reverse) a42W615B In the HST pump operation process, it is almost impossible to set the swash plate at 0° exactly to keep the neutral state (no oil flow). Also, it is impossible for the driver to set the angle of the swash plate to 0° for the neutral setting. To solve this problem, the neutral valve is installed to obtain the minimum range to keep the neutral state. When the angle of the swash plate is close to, but not exactly 0°, a small amount of oil is discharged to the motor. In this case, the neutral valve drains this oil through its orifice to prevent internal pressure rise before it reaches the motor. This also prevents minute operation of the hydraulic motor. 42hw-201601...
  • Page 322 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr FOrward/reverse driviNG (Forward) Neutral valve spool Neutral valve spool Pump Motor (Reverse) a42W616B When operating the forward/reverse pedal for forward or reverse driving, the angle of the swash plate is increased so oil flow toward the pump is also increased. As a result, hydraulic pressure rises gradually and eventually exceeds the setting pressure of the return spring of the neutral valve. Then, the spool of the neutral valve is moved to close the orifice, leading oil to the motor through the internal circuit. 42hw-201601...

  • Page 323: Main Relief Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.10.8 maiN relieF valve K25W664a (Forward) High pressure line Check valve Charge relief valve Main Pump relief Motor valve Check valve (Reverse) Low pressure line a42W617B The setting pressure of the main relief valve is 380 kgf/cm2 (37.2 MPa) to protect the internal circuit in case of HST overload. When the main relief valve is activated during forward or reverse driving, oil in the high-pressure side circuit is delivered to the low-pressure side circuit to prevent damage of the internal circuit due to load. On the other hand, oil supplied by the charge pump is sent to the low-pressure circuit through the check valve on the neutral valve side. 42hw-201601...

  • Page 324: Hst Pedal And Link

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.10.9 hst pedal aNd liNK COmpONeNts a42W645B a42W618B 42hw-201601...
  • Page 325 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system (1) Bracket assy, pedal (13) Snap pin (25) Shaft (2) Hex flange bolt (14) Plain washer (26) Bolt w/washer (3) Bush (15) Switch(fr) (27) Holder assy, spring (4) Shaft assy, front (16) Bolt w/washer (28) Spring (5) Shaft assy, rear (17) Cruise magnet (29) Bolt (6) Roller (18) Hex flange bolt (30) Hex nut (7) Snap ring (19) Joint (31) Wire (8) Pedal ass'y, front (20) Hexagon socket bolt (32) Snap pin (9) Pedal ass'y, rear (21) arm ass'y (33) Rod assy (10) Spring pin (22) Ball bearing (34) Bracket assy, cruise (11) Pedal cover (23) Snap ring (35) Snap pin (12) Damper (24) Bush The forward and reverse driving pedals are installed at different hinge point shafts (4 & 5) and they are...
  • Page 326 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Neutral reverse driviNG a42W619B a42W621B • align the forward pedal (1) and reverse pedal (2). • Lowering the reverse driving pedal (1) and lifting the forward driving pedal (2) • Maintaining the connecting joint (3) in the neutral state • Turning the connecting joint (3) counterclockwise • Detecting the neutral condition of the safe start - Changing the angle of the HST swash plate (0 - +18˚) neutral switch (4) • Turning and lowering the neutral control bracket • Maintaining the idle state of the HST accelerator (4) clockwise cable (5) • Detecting the reverse condition of the safe start neutral switch (5) FOrward driviNG • Pulling the HST accelerator cable (6) - Increase of the engine speed a42W620B •...

  • Page 327: Oil Cooler [Hst Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 4.11 Oil COOler [hst mOdel] 4.12 pOsitiON CONtrOl F42W634a (1) Position control lever The position control lever (1) is used to control the position of the 3-point hitch. The control valve and feedback link mechanism are used to lift and lower an implement. The position of the implement can be set by the position control lever. When it is pushed forward, the...

  • Page 328: Draft Control

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.13 draFt CONtrOl SaFETY VaLVE STOP VaLVE load resistance K20W625a �25W622a K25W647a Oil from the pump pushes the piston through the The draft control is a device that controls load by control valve to lift the lift arm. When the lift arm is vertical movement of the lift arm (implement) against lowered by weight of the implement, oil in the piston load resistance of an implement during draft work is flown out through control valve and is returned to with an implement, such as a plow and cultivator.

  • Page 329: Troubleshooting

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 5. trOuBleshOOtiNG prOBlems Cause Or symptOm sOlutiON • Remove and re-install it. • Improperly installed control valve • Replace it with a new one. • Damaged control valve • Remove, clean and repair it. • Foreign material stuck in control valve or spool stuck • Add transmission fluid. The 3-point hitch • Insufficient transmission fluid cannot be lifted. • Clean or replace it. • Clogged oil filter • Repair or replace it. • Damaged hydraulic pump •...

  • Page 330: Sectional View For Major Components

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6. seCtiONal view FOr majOr COmpONeNts 6.1 steeriNG COlumN a42W624a COmpONeNts (1) Support, steering (7) Cover(shaft) (13) Shaft, steering (2) Hex flange bolt (8) Steering wheel ass’y (14) Snap ring (3) PST valve ass’y (9) Plain washer (15) Ball bearing (4) Column, steering (10) U-nut (16) Snap ring (5) Hex flange bolt (11) Steering cap (17) Column bush (6) Hex flange bolt (12) Pipe assy, steering 42hw-201601...

  • Page 331: Cylinder

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.2 p.s.t CyliNder K25W606a COmpONeNts (1) P.S.T cylinder ass’y (3) Hex flange bolt (5) Hex flange bolt (2) Hex flange bolt (4) Cover, P.S.T cylinder 42hw-201601...

  • Page 332: Pipe

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.3 p.s.t pipe a42W625a COmpONeNts (1) Hose (3) Hose (2) Hose (4) Hose 42hw-201601...

  • Page 333: Hyd Pump

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.4 hyd pump F42W603a COmpONeNts (1) Hyd pump (6) Hyd pump (11) Spring washer (2) Elbow (7) O-ring (12) Hex nut (3) Packing (8) Joint (13) Hex bolt (4) Elbow (9) Elbow (14) Bolt w/washer (5) Stud bolt (10) Packing 42hw-201601...

  • Page 334: Case, Hyd Cylinder

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.5 Case, hyd CyliNder F42W604a COmpONeNts (2) Bolt w/washer (9) Case, hyd cylinder (16) Spring washer (3) Plug (10) Snap ring (17) Hex nut (4) O-ring (11) Roller (18) Bolt w/washer (5) Control, valve ass’y (12) Hex nut (19) Pin (6) O-ring (13) Clabis ass’y (20) air breather (7) Bolt w/washer (14) Stud bolt (8) Pin (15) Bracket, switch 42hw-201601...

  • Page 335: Relief Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.6 relieF valve 3015r(h)/3515r(h)/4015r(h) F42W605a COmpONeNts (1) Valve, relief (3) O-ring (5) Elbow (2) O-ring (4) O-ring (6) Washer ass’y hex bolt 42hw-201601...
  • Page 336 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr F36r(h)/F42r(h) F42W606a COmpONeNts (1) Knob, scv lever (11) Hex flange bolt (21) Stud bolt (2) Lever a ass’y (12) Bracket ass’y (22) Spring washer (3) Hex flange bolt (13) Bracket, scv lever (23) Hex nut (4) Shaft ass’y (14) Hex flange bolt (24) O-ring (5) Snap ring(E) (15) Bracket (25) Joint(1/2) (6) Bush (16) Cover relief (26) Joint arm(1/2) (7) Boss B ass’y (17) Scv PTO 3sd (27) O-ring (8) Link(1) ass’y (18) Scv(2port) (28) Elbow (9) Cotter pin (19) O-ring (10) Plain washer (20) O-ring 42hw-201601...

  • Page 337: Piston Ass'y

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.7 pistON ass’y F42W607a COmpONeNts (1) Piston ass’y (13) O-ring (24) Snap ring(C-type) (2) O-ring (14) Bush (25) Bonded seal (3) Ring (15) Shaft, lift link (26) Ring, backup (6) Piston (16) Hex flange bolt (27) O-ring (7) Rod, piston (17) Plate (28) Bush (8) Spring pin (18) Crank, lift (29) Collar (9) O-ring (19) arm, lift (10) Hex bolt (20) Cam ass’y (11) Plug (21) Hex flange bolt (12) Ring, backup (23) Hex flange bolt 42hw-201601...

  • Page 338: Safty Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.8 saFty valve K25W612a COmpONeNts (1) Safety valve ass’y (5) Body, safety valve (9) Steel ball (2) Nut (6) O-ring (10) O-ring (3) Bolt (7) Spring (4) O-ring (8) Ball guide 42hw-201601...

  • Page 339: Stop Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.9 stOp valve K25W613a COmpONeNts (1) Stop V/V (5) O-ring (9) Spring (2) Stop bolt (6) Body, stop V/V (10) Ring, backup (3) O-ring (7) Steel ball (11) Knob (4) Nut (8) O-ring (12) Hex nut 42hw-201601...

  • Page 340: Hyd Control Position Type

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.10 hyd CONtrOl pOsitiON type K25W614a COmpONeNts (1) Shaft,position lever (9) Snap ring (17) Link (2) D-control shaft (10) Roller (18) Pin, feed back (3) Bush (11) Link B ass’y (19) Spring washer (4) Snap ring(E) (12) Spring (20) O-ring (5) Plate (13) Link (21) O-ring (6) Snap ring (14) Link ass’y(in) (22) Link, position (7) Link ass’y (15) Link, feed back (8) Plate (16) Snap ring(E) 42hw-201601...
  • Page 341 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system K25W615a COmpONeNts (1) Connector (8) Plate, friction (14) Knob ass’y, draft control (2) Bonded seal (9) Lever, D-control (15) Screw (3) Bracket (10) Plate a (16) Knob ass’y, positoin control (4) Bracket (11) Lever, P-control (17) Screw (6) Bolt (12) Spring (18) arm,lever (7) Bracket a (13) Hex nut 42hw-201601...

  • Page 342: Draft Control

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.11 draFt CONtrOl K25W616a COmpONeNts (1) Hex bolt (11) Plate (21) Link ass’y(out) (2) Washer (12) Bolt w/washer (22) Snap ring(E) (3) Hinge D, top link (13) Support D, hinge (23) Spring pin (4) Hex nut (14) Plate (24) Body (5) Nipple (15) Hex flange bolt (25) O-ring (6) Pin, hinge (16) Plate ass’y (26) Hinge, top link (7) Bolt w/washer (17) Snap ring(E) (8) Hex flange bolt (18) Plate ass’y (9) Plate (19) Hex fix nut (10) Plate, hinge (20) Rod 42hw-201601...

  • Page 343: Hyd Piping

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.12 hyd pipiNG K42W611B COmpONeNts (1) Rubber hose (6) Hose band (11) O-ring (2) Spring a (7) Lower pressure hose (12) Nipple (3) Hose clamp (8) Front out valve (13) Hose (4) Pipe ass’y , lower pressure (9) Elbow (14) Higher hose (5) Hex flange bolt (10) Elbow (15) Pipe ass’y , higher pressure 42hw-201601...

  • Page 344: Hyd Filter

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.13 hyd Filter meC. mOdel F42W609a COmpONeNts (1) Filter (4) Lower pressure pipe(filter) (7) Filter cover bracket (2) Filter cover (5) Hex flange bolt (8) Hex flange bolt (3) O-ring (6) O-ring 42hw-201601...
  • Page 345 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system hst mOdel a42W626a COmpONeNts (1) Filter (5) O-ring (9) Bolt w/washer (13) Elbow (2) Filter cover (6) Filter cover bracket (10) Filter cover (14) Hose (3) O-ring (7) Hex flange bolt (11) Filter (4) Lower pressure pipe(filter) (8) Bracket (12) Hex flange bolt 42hw-201601...

  • Page 346: Hyd Pump [Hst Model]

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 6.14 hyd pump [hst mOdel] a42W627a COmpONeNts (1) Mission case (5) Parallel pin (9) Parallel pin (13) adaptor(3/8) (2) Plate (6) Hex flange bolt (10) Snap ring (14) Elbow (3) Hst 28cc (7) O-ring (11) Hex bolt w/washer (4) Parallel pin (8) O-ring (12) Hex bolt w/washer 42hw-201601...

  • Page 347: Oil Cooler [Hst Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 6.15 Oil COOler [hst mOdel] a42W628B COmpONeNts (1) Oil cooler (3) Bracket, oil cooler® (5) Elbow (2) Bracket, oil cooler(l) (4) Hex flange bolt (6) Hose 42hw-201601...

  • Page 348: Disassembly And Service

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7. disassemBly aNd serviCe 7.1 hydrauliC CyliNder Case assemBly disassemBly aNd assemBly 1. Remove the fender and plate of under the seat. K42W617a 3. D isconnect the hydraulic pipe (1) and remove the top link bracket assembly (2) and rear relief valve (3). K42W614a pOsitiON/draFt CONtrOl type K42W615a K20W6a06a pOsitiON/draFt CONtrOl type...
  • Page 349 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system pOsitiON CONtrOl type K42W618a K20W6a08a pOsitiON CONtrOl type K42W619a K20W6a09a 4. Unscrew the hydraulic cylinder cover mounting 5. Remove the control valve (1) from the hydraulic bolts (1) to remove the hydraulic cylinder cover (2). cylinder cover. K20W6a10a 6. Remove the safety valve (1) from the hydraulic cylinder cover.
  • Page 350 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr pOsitiON CONtrOl type K20W6a11a K42W620a pOsitiON CONtrOl type K20W6a12a K42W621a 7. Remove the lower ing speed c ontrol valve 8. Unscrew the lever retaining nut (1). Then, remove assembly (1). the bracket a (2), spring (3), bracket a (2), plate (5), P lever (4), plate (5), bracket a (2), plate (5), D pOsitiON/draFt CONtrOl type lever (6), friction plate (7) and bracket (2) in order.
  • Page 351 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system pOsitiON/draFt CONtrOl type K42W622a K25W6a18B 9. Pull out the snap ring (1) from the right side. 11. Disconnect the draft control rod (1). Then, disconnect the lift arm (2). K20W6a19a K42W623a K20W6a20a 12. Unscrew the plate (1) and pull out the lift link shaft (2) to the right. K42W624a 10. Remove the cam assembly (1) from the left side and pull out the snap ring. Then, disconnect the...
  • Page 352 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K20W6a21a K20W6a24a K20W6a22a K20W6a25a 13. Pull out the E-type snap ring (1) for the lift crank 14. Unscrew the hex. bolt (1) and remove the piston link. Then, remove the lift crank (2) and piston assembly (2) to separate the piston (3) from the rod (3) together. piston assembly. impOrtaNt Notes K20W6a23a K20W6a26a • insert the lift link shaft from the right to the •...
  • Page 353 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system pOsitiON/draFt CONtrOl type K20W6a27a K20W6a29a pOsitiON/draFt CONtrOl type K20W6a28a K20W6a30a 15. Remove the spring (1) and pull out the E-snap pOsitiON/draFt CONtrOl type ring (2). Then, remove the position link (3), position feedback link (4), connecting link (5) and position lever shaft (6). K20W6a31a 16. Pull out the snap ring (1) and disconnect the draft load control link (2) and D control shaft (3).

  • Page 354: Control Valve Disassembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.2 CONtrOl valve disassemBly K20W6a32a K20W6a34a K20W6a33a K20W6a35a 1. Unscrew the control valve mounting bolts (1) 2. Unscrew the hex. nut (1) from the control valve from the hydraulic cylinder cover to remove the to separate the clevis assembly (2) and plate (3).
  • Page 355 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system K20W6a37a K20W6a38a 4. Unscrew the main check plug (1) and remove the 5. Unscrew the unload plug (1) and remove the main check poppet (2) and main check spring (3). plate (2), unload spring (3) and unload check (4). K20W6a39a 6. assemble in the reverse order of disassembly. 42hw-201601...
  • Page 356 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr hydrauliC CyliNder iNstallatiON staNdard 1. Keep all hydraulic components clean and remove any foreign material and dust from them before their installation. K25W6a48a 4. When installing the safety valve (1) and lowering speed control valve (2), check if their O-rings are missing or damaged. also, apply grease on them before installation. K25W6a46a 2. When installing the O-ring (1) and backup ring (2) to the piston, install them in the correct direction. (Apply transmission fluid to them before...
  • Page 357 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 10 mm or longer (for both sides) K25W6a51a K25W6a54a 6. When pressing in the hydraulic cylinder case bushing, 9. When installing the hydraulic cylinder cover, select the correct size and use a pressing jig. apply liquid gasket (a) on it in advance. Tightening torque 800 - 880 kgf.cm K25W6a52a K25W6a55a 7. When installing the lift crank shaft and crank, 10. When installing the hydraulic cylinder, apply LOCTITE align their matching marks.
  • Page 358 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Check installing direction K25W6a57a K25W6a59a 12. When installing the return spring, set its longer 14. Tighten the high-pressure pipe to the specified section to the front. torque and install the cam correctly according to the specification specified in the figure.
  • Page 359 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system CONtrOl valve settiNG By diFFereNt liFt arm aNGles ▶ K25W6a61a 1. P lever pulled to the max. lifting position (liFtiNG aNGle) (liFtiNG heiGht) (lOweriNG aNGle) (lOweriNG heiGht) 47.5°~49° 269~273.5 16.3°~17.3° 14.8~10.3 2. I f the lifting angle or lowering angle is out of the specified range, adjust it with the clevis adjusting nut. (Initial setting value: Y 29 mm or Z 13 mm with X 10 mm) (Repeat adjustment 2 to 3 times for precise setting.) Plate (6T) adjusting nut K25W6a62a 3. a pply LOCTITE to the adjusting nut before its installation. - Excessive lifting height: decrease the length Y and Z...

  • Page 360: Rear Scv Valve Disassembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.3 rear sCv valve disassemBly F series-eu: 2 POrTs sTaNdard K20W6a41a 35HW602a F series-au: 4 POrTs sTaNdard, 15 series-us: 4 POrTs OPTiONal K20W6a42a 2. Remove the rubber bellows (1) and pull out the retaining pin (2). Then, remove the arm (3).
  • Page 361 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system K20W6a45a K20W6a44a 4. Pull out the spool (1) in the arrow direction. K20W683a 4. Unscrew the relief valve (1) from the other side to remove it. Then, pull the spool (2) to remove it. 42hw-201601...

  • Page 362: Pto Valve Disassembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.5 ptO valve disassemBly K42W630a K42W633a 1. Disconnect the PTO valve wiring (1) connector and hydraulic pipe (2) and unscrew the mounting bolts (3) to remove the PTO valve assembly. K42W634a 3. Remove the sequence valve (1). K42W631a K42W632a 2. Unscrew the mounting nuts (1) from the PTO valve assembly to remove the solenoid valve (2). 42hw-201601...
  • Page 363 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system K42W635a K20W6a09a K42W636a K20W6a10a 4. Remove the DRV valve (1). 5. Remove the magnet housing (1) of the PTO solenoid. Remove the internal valve and spool as well. K42W637a 6. assemble in the reverse order of disassembly. 42hw-201601...

  • Page 364: Front Outlet Valve Disassembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.6 FrONt Outlet valve disassemBly K42W653a K42W641a 1. Disconnect the hydraulic hose from the front 3. Remove the relief valve. outlet valve and unscrew the bracket mounting b o l t s to r e m ove t h e f r o nt o u t l et va l ve (1) assembly.

  • Page 365: Steering Valve Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 7.7 steeriNG valve disassemBly K42W643a a42W630a 1. Remove the upper dashboard par t (1) and column cover (2). a42W631a 3. Remove the hydraulic hoses (1) from the steering valve assembly. a42W629a 2. Unscrew the steering valve assembly mounting bolts (1) under the steering wheel and push down the steering valve assembly to remove it.
  • Page 366 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K20W6a19a K20W6a20a 4. Unscrew the end cap mounting bolts (1) from the 5. Remove the spacer (1) and gerotor set (2) in steering valve assembly to remove the end cap (2). order. impOrtaNt the bolt a among the end cap mounting bolts  is longer than the other ones. make sure to in- stall it correctly.

  • Page 367: Hydraulic Pump Disassembly

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 7.8 hydrauliC pump disassemBly 13 cc K42W645a K20W6B6a 3. Separate the shaft holding block (1) and each 1. Disconnect the hydraulic pipe (1) and hydraulic housing (2) from the cabin. hose (2) from the hydraulic pump on the left side of the engine. Then, unscrew the mounting bolt (3) to remove the hydraulic pump assembly. item tOrque value 21.56 ± 2.94 N.m Mounting bolt 2.2 ± 0.3 kgf.m...
  • Page 368 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7 cc K42W650a K42W648a 3. Separate the shaft holding block (1) from the housing (2). 1. Disconnect the hydraulic pipe (1) and hydraulic hose (2) from the hydraulic pump on the left side of the engine. Then, unscrew the mounting bolt (3) to remove the hydraulic pump assembly. item tOrque value 21.56 ± 2.94 N.m Mounting bolt 2.2 ± 0.3 kgf.m 15.84 ± 2.16 lbf.ft K42W651a 4. Remove the drive gear (3), driven gear (4) and front cover (5).

  • Page 369: Hst [Hst Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 7.9 hst [hst mOdel] Notes a42W632a C865W764a 1. Unscrew the drain plug (1) from the bottom of the U nscrew the drain plug (1) from the bottom of the Unscrew the drain plug (1) from the bottom of the •...
  • Page 370 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr K25W671a a42W635a C865W767a C865W769a 4. Unscrew the spring holder (1) from the inner upper U nscrew the spring holder (1) from the inner upper Unscrew the spring holder (1) from the inner upper 5. Remove the valve plate (1) on the motor side.
  • Page 371 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system C865W771a C865W774a • Valve plate • Piston assembly C865W772a C865W773a • Cylinder block 42hw-201601...
  • Page 372 Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr a42W636a K25W676a a42W646a K25W677a 7. Remove the valve plate (1) on the pump side. R emove the valve plate (1) on the pump side. Remove the valve plate (1) on the pump side. Then, remove the cylinder block (2), piston (3), set plate (4) and shoe plate (5) after separate the cylinder block and piston assembly.
  • Page 373 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system pump shaFt disassemBly swash plate disassemBly a42W637a K25W680a a42W638a K25W681a 9. Remove the cover (1). R emove the cover (1). Remove the cover (1). m6 BOlt 3 ea 5-mm L-shape wrench a42W639a 8. Remove the pump shaft cover(1). and pull out R emove the pump shaft cover(1). and pull out...

  • Page 374: Relief Valve Block Disassembly

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7.10 relieF valve BlOCK disassemBly K42W654a a42W640a K42W655a a42W641a 10. R emove the swash cover (1) to remove the R emove the swash cover (1) to remove the Remove the swash cover (1) to remove the 1. Disconnect the hydraulic hose (1) of the relief...

  • Page 375: Inspection, Adjustment And Test

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 8. iNspeCtiON, adjustmeNt aNd test 1. W he n te st in g o il f l ow o r p r e s sur e f o r t h e CautiON hydraulic kit, warm up the engine to obtain proper oil temperature.

  • Page 376: Pst Valve

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 8.1 pst valve 8.2 ptO valve 8.1.1 relieF valve pressure test 8.2.1 sequeNCe valve pressure test K42W659a K42W660a 1. Remove the hydraulic hose (1) from the right side 1. Unscrew the port �1 plug (PF1/4)(C) of the PTO of the steering cylinder. valve and connect an adapter, hydraulic pressure gauge and hydraulic hose. 2. Connect a hydraulic pressure gauge, hose and adapter between the steering cylinder port and 2. Start the engine and run it at 2,600 rpm.

  • Page 377: Front Outlet Valve

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 6 hydrauliC system 8.3 FrONt Outlet valve 8.4 hst Neutral settiNG [hst mOdel] 8.3.1 relieF valve pressure test 1. Lift the vehicle off the ground so that the wheels idle above the ground. 2. Set the engine to idle speed. 3. Set the range shift lever to the low position. 4. Check if the wheels rotate forward or backward with the HST pedal released. K42W661a 1. Unscrew the plug for relief valve pressure...

  • Page 378: Hst Main Relief Valve Pressure Test

    Chapter 6 hydrauliC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 8.5 hst maiN relieF valve pressure test a42W644a (1) Pressure measuring port of high pressure relief valve (forward driving) (PT 3/8) (2) Pressure measuring port of high pressure relief valve (reverse driving) (PT 3/8) 1. Remove the plug (1) from the pressure measuring port of the HST high pressure relief valve and set the pressure gauge (500 kgf/cm or higher). 2. Start the engine and place the range shift lever in the 3rd gear shift position. Then, depress the brake pedal fully and depress the shuttle shift pedal repeatedly to increase the oil temperature.
  • Page 379 4.2 Ignition switch ON .........7-11 5.2.20 Glow plug ........7-38 4.3 Preheat ..........7-13 5.2.21 Horn ..........7-39 4.4 PTO operation ........7-14 5.2.22 Combination switch ..... 7-39 4.5 Instrument cluster and sensors ... 7-16 5.2.23 DPF logger [3015R(h)/3515R(h)/4015R(h)] ..7-40 4.6 Combination switch and head lamp ..7-18 5.2.24 Differential pressure sensor 4.7 Turn signal lamp switch, hazard [3015R(h)/3515R(h)/4015R(h)] ..7-42 warning flasher and flasher unit ....7-19 5.2.25 Exhaust gas temperature sensor 4.8 DPF LOGGER [3015R(h)/3515R(h)/4015R(h)] .

  • Page 381: Major Electric System Specifications

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 1. majOr eleCtriC system speCiFiCatiONs item staNdard Battery 12 V 90 Ah Alternator 12 V 50 Ah Starter 12 V 2.2 Kw Preheat relay DC 12 V, 70 A PTO engagement switch Rated current: 14 V 15 A Safety switch 12 V 10 A Preheat controller Voltage range: DC 8 - 16 V Flasher unit Voltage range: DC 10 - 16 V Direct signal lamp (front) 12 V 21 W/5 W Combination lamp (rear) 12 V 27 W, 12 V 8 W, 12 V 21 W/5 W Head lamp HS1 12V 35W/35W Horn 12 V , 350 ± 2 Hz, 110 ± 5 dB Fusible link 60 A X 2 EA Cruise controller [HST MODEL]...

  • Page 383: Major Electric Component Layout Diagram

    301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR CHAPTeR 7 eLeCTRiC SYSTem 2. mAJOR eLeCTRiC COmPOnenT LAYOUT diAgRAm ENGINE (LH): 3015R(h)/3515R(h)/4015R(h) ENGINE (LH): F42R(h) ENGINE (RH): F36R(h) ENGINE (RH): 3015R(h)/3515R(h)/4015R(h) BONNET HINGE ASSEMBLY 35HW701A 42hW-201601...

  • Page 385: Electric Wiring Diagram

    3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR CHAPTER  ELECTRIC SYSTEM 3. ELECTRIC WIRING DIAGRAM MEC. MODEL 3015R/3515R/4015R F42W702A 42hW-201601...
  • Page 386 CHAPTER  ELECTRIC SYSTEM 3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR HST MODEL 3015Rh/3515Rh/4015Rh A42W702A 42hW-201601...

  • Page 387: Symbols And Wiring Color Definition In Electric Circuit

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 3.1 symBOls aNd wiriNg COlOr deFiNitiON iN eleCtriC CirCuit 3.1.1 symBOl symBOl desCriptiON symBOl desCriptiON Battery Diode Fusible link Gauge Fuse Lamp Relay Feed pump Switch Fuel cut-off solenoid Starter Horn Alternator Beacon Glow plug Water temp. sensor 3.1.2 COlOr deFiNitiON...

  • Page 388: Circuit Configuration By Major Function

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4. CirCuit CONFiguratiON By majOr FuNCtiON 4.1 Battery aNd FusiBle liNk POWER GROUND F42W703A There are two fusible links at the end of the wiring 3.0R above the battery in the left section of the circuit diagram. The fusible link on the wiring 3.0Y is to supply main power to the glow relay. When the glow relay...

  • Page 389: Ignition Switch On

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 4.2 igNitiON switCh ON F42W704A 42hw-201601...
  • Page 390 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr The ignition switch is located in the upper left section of the circuit diagram. This switch receives battery power through the wiring 3.0W. 1) ACC: When the ignition switch is turned to the 1st stage, ignition switch ON power is supplied through...

  • Page 391: Preheat

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 4.3 preheat POWER GROUND F42W705A The circuit related to the preheat operation is located in the left section of the above circuit diagram. As soon as the ignition switch is turned to the ON position, preheating operation is started and the preheat indicator on the instrument cluster is turned ON. When the ignition switch is returned to the ON position from the START position, after-heating operation is started. However, if the engine is not started so the generator is not operated properly, after-heating operation is not performed. -. It receives the manual preheating signal from the ignition switch through the wiring 0.85L. -. It receives the coolant temperature signal through the wiring 0.5LB. -. It receives the ignition switch ON signal through the wiring 0.5RB. -. I t sends power to the preheat indicator on the instrument cluster through the wiring 0.5LW and instrument cluster wiring (B). -. The wiring 0.85Y is a output wiring for the glow relay coil signal. When the glow relay coil is energized by T he wiring 0.85Y is a output wiring for the glow relay coil signal.

  • Page 392: Pto Operation

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.4 ptO OperatiON POWER GROUND K20W706C 1) LIN�: This is activated when the PTO switch is set in the LIN� position. As power is supplied to the L IN�: This is activated when the PTO switch is set in the LIN� position. As power is supplied to the LIN�: This is activated when the PTO switch is set in the LIN� position. As power is supplied to the...
  • Page 393 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 3) PTO relay and PTO indicator: The PTO relay coil power is supplied through the wiring 0.5YG or 0.5LY P TO relay and PTO indicator: The PTO relay coil power is supplied through the wiring 0.5YG or 0.5LY PTO relay and PTO indicator: The PTO relay coil power is supplied through the wiring 0.5YG or 0.5LY...

  • Page 394: Instrument Cluster And Sensors

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.5 iNstrumeNt Cluster aNd seNsOrs POWER GROUND K20W707C The instrument cluster receives its main power through the 5 A fuse when the ignition switch is set to the ON position. 1) Oil pressure warning: The oil pressure warning lamp switch is connected to the ground side of the wiring O il pressure warning: The oil pressure warning lamp switch is connected to the ground side of the wiring Oil pressure warning: The oil pressure warning lamp switch is connected to the ground side of the wiring 0.5RY. It is turned on by controlling electricity supplied to its negative terminal.
  • Page 395 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 7) Preheat indicator: The preheat indicator on the instrument cluster is connected to the wiring 0.5LW P reheat indicator: The preheat indicator on the instrument cluster is connected to the wiring 0.5LW Preheat indicator: The preheat indicator on the instrument cluster is connected to the wiring 0.5LW (preheat indicator output line of the preheat controller) through the connecting wiring (B). The preheat...

  • Page 396: Combination Switch And Head Lamp

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.6 COmBiNatiON switCh aNd head lamp POWER GROUND K20W708C The combination switch receives power from the terminal ACC of the ignition switch through the wiring 1.25RG and 20 A fuse. 1) Horn: The terminal H, which is located in the left end position among the terminals of the combination H orn: The terminal H, which is located in the left end position among the terminals of the combination Horn: The terminal H, which is located in the left end position among the terminals of the combination switch, is connected to the horn through the wiring 0.85GW to activate the horn when the horn switch is...

  • Page 397: Turn Signal Lamp Switch, Hazard Warning Flasher And Flasher Unit

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 4.7 turN sigNal lamp switCh, hazard warNiNg Flasher aNd Flasher uNit 6015W709C The turn signal lamp switch of the combination switch receives power from the terminal ACC of the ignition switch through a separate 20 A fuse. 1) Right turn: When setting the turn signal lamp switch to the right turn position, power is supplied to the...

  • Page 398: [3015R(H)/3515R(H)/4015R(H)]

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 4.8 dpF lOgger [3015r(h)/3515r(h)/4015r(h)] K25W736B When the ignition switch is turned to the ON position, power flows through the wiring 3.0WR to be delivered to the DPF logger through the fuse No. 11 (5 A). If a faulty condition is detected by the differential pressure sensor of the DPF, the corresponding signal is delivered to the instrument cluster through Ⓖ to turn on the DPF warning lamp. 42hw-201601...

  • Page 399: Service Tips And Components Of Electric System

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5. serviCe tips aNd COmpONeNts OF eleCtriC system 5.1 serviCe tips 5.1.1 Battery CautiON meC. mOdel keep flames or sparks away from the battery. it can ex-  plode due to gas production during its operation.

  • Page 400: Fuse

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.1.3 eleCtriC wiriNg 5.1.2 Fuse 1. If any electric part is malfunctioning, check its electric wiring. 2. Check if the electric wiring is in contact with another part, it is peeled off or its contact is Fuse loose.

  • Page 401: Components

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2 COmpONeNts 5.2.1 igNitiON switCh CONNeCtOr aNd wiriNg diagram ▶ F42W707A The ignition switch is installed on the dashboard from the right side of the steering wheel. When turning the ignition switch clockwise to the first position, "ON" is selected. When turning it to its end,...

  • Page 402: Fusible Link

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.2 FusiBle liNk 5.2.3 Fuse BOx F42W708A meC. mOdel The fusible link is installed on the top of the starter in the left section of the engine compartment. If malfunction occurs in any electric system but the battery is intact, check the condition of the fusible link first.

  • Page 403: Relay 5P

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.4 relay 5p Fuse 1 (5 A): Panel meC. mOdel Fuse 2 (20 A): Brake lamp Fuse 3 (5 A): Battery charge Fuse 4 (5 A): Glow/Heat Fuse 5 (5 A): F uel pump [MEC. MODEL]/ Fuel pump, Stop solenoid [HST MODEL] Fuse 6 (5 A, 10 A, 20 A): Spare Fuse 7 (20 A): Head lamp Fuse 8 (20 A): Turn signal lamp Fuse 9 (10 A): Harzard lamp Fuse 10 (10 A): PTO F42W709A Fuse 11 (10 A): S top solenoid [MEC. MODEL]/ Cruise [HST MODEL]...

  • Page 404: Preheat Relay

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.5 preheat relay CONNeCtOr aNd test ▶ CIRCUIT 6015W709A testiNg lOCatiON item result ⊕ termiNal ⊖ termiNal Resis- Approx. 87 Ω ② ③ tance K20W783A Resis- 0Ω present ① ④ tance F42W710A ∞Ω not Conti- ①...

  • Page 405: Preheat Controller

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.6 preheat CONtrOller CONNeCtOr aNd test ▶ CIRCUIT F42W711A The preheat controller is installed on the upper right section of the bonnet hinge assembly. It receives a signal from the coolant temperature sensor to adjust the preheating time, turns on the preheat indicator on the instrument cluster, and detects a signal from the generator to turn off the charge warning lamp. 6015W711A termiNal NO. resistaNCe (Ω) CONNeCtOr aNd CirCuit diagram ▶ ∞ ① and ②...
  • Page 406 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr CONtaCt diagram ▶ F42W713A OperatiNg sequeNCe aNd CharaCteristiCs ▶ TIME CHART F42W714A item Water temp. sensor resistance (kΩ) time (seC.) remarks 19.5 (-30 14.0 ± 3.5 ℃ T1: Indicator ON time (sec.) I ndicator ON time (sec.) Indicator ON time (sec.) 9.6 (-15...

  • Page 407: Flasher Unit

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.7 Flasher uNit CONNeCtOr aNd CirCuit diagram ▶ F42W715A The flasher unit is installed beside of the preheat controller on the upper right section of the bonnet hinge assembly. It makes the turn signal lamps blink when the flasher switch is operated. piN Name RIGHT FLASHER LAMP LEFT FLASHER S/W RIGHT FLASHER S/W...

  • Page 408: Cruise Controller [Hst Model]

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.8 Cruise CONtrOller [hst mOdel] CONNeCtOr aNd CirCuit diagram ▶ A42W706A The cruise controller is installed on the right lower section of the hood hinge to control the cruise control relay and cruise control lamp for the cruise control operation.

  • Page 409: Safe Start Switch [Mec. Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2. saFe start switCh [meC. mOdel] CONNeCtOr aNd test ▶ PTO SWITCH START SWITCH (AVS 0.85BR) (AVS 0.85YB) MG640333 START SWITCH PTO SWITCH (AVS 0.85RY) (AVS 0.85BG) F42W717A K20W728A The safe start switch is installed under the left foot rest. This switch is to prevent the engine from...

  • Page 410: Pto Engagement Switch

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.10 ptO eNgagemeNt switCh CONNeCtOr ▶ F42W719A F42W720A The PTO engagement switch is installed to the side of the lift arm on the left side of the hydraulic cylinder case. When the PTO selection switch is set to the LIN� position, this switch stops the PTO as soon as K20W729A it detects the lift arm reaching the set height. 42hw-201601...

  • Page 411: Stop Lamp Switch

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.11 stOp lamp switCh 5.2.12 saFety start Neutral switCh [hst mOdel] meC. mOdel F42W721A A42W710A The stop lamp switch is installed under the right foot The safe start neutral switch is installed on the rest. According to operation of the brake pedal, the rear section of forward pedal. This switch detects...

  • Page 412: Starter

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.13 starter CirCuit diagram ▶ magNet switCh speC. 60A or less rush CurreNt (11V 20°C) 15A or less hOldiNg CurreNt (11V 20°C) F42W722A The starter is installed to the rear left section of the engine. F42W756A K20W732B speCiFiCatiON ▶ NOmiNal pOwer 2.2 kw vOltage 12 V rated time 30 sec. Clockwise rOtatiON (when seeing from pinion side) weight Approx. 5.2 kg...

  • Page 413: Alternator

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.14 alterNatOr 5.2.15 eNgiNe Oil pressure switCh F42W723A F42W724A The alternator is installed in the left front section of The engine oil pressure switch is installed to the the engine and it is integrated with the IC regulator. cylinder block on the right side of the engine. When pressure is built in the engine, the contact of the oil It supplies power to components with high electric pressure switch is connected to send a signal to the load and charges the battery. instrument cluster assembly. When the pressure in the engine drops below 0.5 ±...

  • Page 414: Coolant Temperature Sensor (Preheating)

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.16 COOlaNt temperature seNsOr (preheatiNg) measuriNg CirCuit ▶ Potentionmeter Thermostat unit galvano- meter F42W726A The coolant temperature sensor (preheating) is K20W739A installed to the coolant flange behind the cooling fan, It sends various resistance values according to...

  • Page 415: Coolant Temperature Sensor (Meter)

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.17 COOlaNt temperature seNsOr (meter) 5.2.18 Fuel Cut-OFF sOleNOid F42W727A The coolant temperature sensor (meter) is installed to the outlet of the heater hose in front of the coolant flange to supply information to the preheat controller to supply information to the preheat controller in order to determine the preheat indicator ON time and preheat relay connection time. K20W744A F42W728A The fuel cut-off solenoid is installed behind the...

  • Page 416: Fuel Sensor

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.1 Fuel seNsOr 5.2.20 glOw plug K25W712B F42W729A The fuel sensor is installed to the top of the left fuel The glow plug is installed to the engine cylinder head tank and consists of the float and variable resistor. to heat the intake air in the pre-combustion chamber The float detects the fuel level and the sensor sends in order to facilitate engine starting. The current of the corresponding resistance value to the fuel gauge the glow plug should be 10 A within 5 seconds after on the instrument cluster to display the fuel level. it is applied with DC 11 V and its temperature should rise to 800° in approx. 4.5 seconds.

  • Page 417: Horn

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.21 hOrN 5.2.22 COmBiNatiON switCh F42W730A F42W731A The horn (1) is installed between the left and right The combination switch is installed to the left side of head lamps on the front of the hood. the dashboard for operation of the head lamp high/ low beam, turn signal lamps and horn. CONNeCtOr test ▶ CONNeCtOr aNd wiriNg diagram ▶ Connec- tor A 6015W7F3A Connec- tor B...

  • Page 418: Dpf Logger [3015R(H)/3515R(H)/4015R(H)]

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.23 dpF lOgger [3015r(h)/3515r(h)/4015r(h)] The DPF logger is installed front upper side of the radiator in the front section of the engine compar tment, and it receives information from various engine sensors to maintain the optimum engine combustion condition for emission control.
  • Page 419 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system K25W723A wire desigNatiON assOCiated FuNCtiON aNalOg iNputs DPS Differential Pressure sensor DPS_5V Power of DPS (5Volt) DPS_GND Ground of DPS EGTS Exhaust Gas Temperature Sensor EGTS_GND Ground of EGTS switCh iNputs (REPROGRAM) Reserved (Logger reprogram switch) driver Outputs DPF_LAMP Check lamp of DPF (LED type) (BOOZER) SPARE (CAUTION BOOZER) CaN COmm (For diagnosis scanner) CAN_HIGH CAN high to SCANNER...

  • Page 420: Differential Pressure Sensor [3015R(H)/3515R(H)/4015R(H)]

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.2.24 diFFereNtial pressure seNsOr 5.2.25 exhaust gas temperature seNsOr [3015r(h)/3515r(h)/4015r(h)] [3015r(h)/3515r(h)/4015r(h)] F42W733A F42W734A The differential pressure sensor is installed to the The exhaust gas temperature sensor is installed to side of the DPF in the engine compartment. the rear section of the DPF. Exhaust gas discharged from the engine exhaust...

  • Page 421: Instrument Cluster

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.2.26 iNstrumeNt Cluster CONFiguratiON aNd perFOrmaNCe speCiFiCatiONs ▶ F42W758A K25W725A 42hw-201601...
  • Page 422 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr CONNeCtOr ▶ K25W726A piN NO. Name remarks piN NO. Name remarks TURN (R) SPARE 1 HIGH BEAM BRA�E RELEASE WATER SEPARATOR E/G OIL PRESSURE LIFT CHARGE HIGH SPEED GLOW NEUTRAL TURN(L) SPARE 3 SPARE 2 PAR�ING(+) BATT(+ REGULAR POWER) PAR�ING(-) IGN(+13.5V) ILLUMINATION GND(-) IGN(+13.5V) FUEL GAUGE UNIT GND(-)
  • Page 423 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system CirCuit ▶ K25W727B 42hw-201601...
  • Page 424 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr perFOrmaNCe speCiFiCatiONs ▶ 1. Tachometer PTO RPM PTO 540 rpm �� 2,600 rpm �� 2,600 rpm 2,600 rpm Operating range 0 - 3,500 rpm Position (rpm) 1,000 2,000 2,500 2,860 3,000 Indicator characteristics Tolerance (rpm) ± 50 (± 100) (± 100) ± 50 ± 50 A - Frequency (Hz) 163.4 326.8 408.5 467.3 490.2...
  • Page 425 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 4. Temp. gauge Type STEPPER MOTOR Operational voltage DC 12 V Position Indicator Resistance (Ω) 240.5 103.2 34.1 30.5 21.2 characteristics Tolerance (°) (± 3.5) (± 3.5) ± 3.5 (± 3.5) ± 3.5 (± 3.5) Zone 5. Indicator symBOl Upper Name Turn(L) Turn(R) E/g oil Park Charge Preheat...

  • Page 426: Lamp Bulb Replacement

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 5.3 lamp BulB replaCemeNt 5.3.1 head lamp F42W735A 6015W7D4A 1. Pull the cap (1) out to disconnect it. 3. Bulb specification: HS1 12 V 35 W/35 W F42W736A F42W737A 2. Loosen the screw (2) and release the spring holder (3). Then, remove the socket with bulb.. 42hw-201601...

  • Page 427: Front Turn Signal Lamp

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.3.2 FrONt turN sigNal lamp 3015r(h)/3515r(h)/4015r(h) F42W738A F42W739A 2. Remove the bulb (2) by pressing and turning it clockwise. F42W740A 2. Replace it with a new one. Bulb specification: 12 V 21 W/5 W K20W791B 1. Unscrew the front and rear lens mounting screws (1). 42hw-201601...
  • Page 428 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr F36r(h)/F42r(h) F42W759A K20W7A09B • Bulb specification: ① 12 V 21 W ② 12 V 5 W 42hw-201601...

  • Page 429: Rear Combination Lamp

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 5.3.3 rear COmBiNatiON lamp F36r(h)/F42r(h) sOCket disassemBly leNs disassemBly ▶ ▶ F42W760A F42W762A 1. Unscrew the grommet assembly (1) clockwise to remove it. K20W796A 1. Unscrew the lens mounting screws (1) of the rear combination lamp and pull the lens (2) to remove it. F42W761A 2. Remove the bulb. Bulb specification: 12 V 21 W 1 2 V 21 W 12 V 21 W 12 V 12 W/5 W F42W763A 2. Remove the bulb (1) by pressing and turning it.
  • Page 430 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 3015r(h)/3515r(h)/4015r(h) K20W798A F42W741A 3. Replace the bulb with a new one. Bulb specification: Right - 12 V 21 W/5 W (brake/tail lamp) Left - 12 V 12 W (turn signal lamp) F42W742A 1. Unscrew the mounting nuts (1) of the rear combination lamp in the fender. 42hw-201601...
  • Page 431 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system F42W743A F42W745A F42W744A F42W746A 2. Press the each socket assembly (2) and turn it counterclockwise to remove. F42W747A 3. Replace the bulb with a new one. Bulb specification: Ⓐ Left - 12 V 27 W (turn signal lamp) Ⓑ Middle - 12 V 8 W (Backup/Work lamp) - 12 V 8 W (Backup/Work lamp) Ⓒ Right - 12 V 21 W/5 W (brake/tail lamp) 42hw-201601...

  • Page 433: Wiring Diagram

    301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR CHAPTeR 7 eLeCTRiC SYSTem .4 WiRing diAgRAm .4.1 mAin WiRing diAgRAm 301R/31R/401R REAR COMBINATION LAMP(L) DPF CONTROLLER IMPLEMENT CONNECTOR PTO ENGAGEMENT S/W INSTRUMENT PANEL A INSTRUMENT PANEL B DIAGNOSTIC DIDOE(PTO) PTO VALVE 1.GND REAR COMBINATION LAMP(R) START SAFETY (PTO) STARTER FLASH UNIT...
  • Page 434 CHAPTeR 7 eLeCTRiC SYSTem 301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR 301h/31h/401h REAR COMBINATION LAMP(L) DPF CONTROLLER IMPLEMENT CONNECTOR PTO ENGAGEMENT S/W INSTRUMENT PANEL B INSTRUMENT PANEL A DIAGNOSTIC DIDOE FUSE BOX (PTO) PTO VALVE START 1. GND SAFETY REAR COMBINATION LAMP((R) (PTO) STARTER CRUISE ENGINE GLOW RELAY FLASH UNIT...
  • Page 435 301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR CHAPTeR 7 eLeCTRiC SYSTem F36R/F42R REAR COMBINATION LAMP(L) IMPLEMENT CONNECTOR PTO ENGAGEMENT S/W INSTRUMENT PANEL B INSTRUMENT PANEL A PARKING LEVER DIDOE(PTO) 1.GND PTO VALVE START REAR COMBINATION LAMP(R) SAFETY(PTO) STARTER GLOW RELAY (PREHEAT) FLASH UNIT ENGINE CONTROL UNIT FEED PUMP FUEL SENSOR STOP LAMP S/W...
  • Page 436 CHAPTeR 7 eLeCTRiC SYSTem 301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR F36h/F42h REAR COMBINATION LAMP(L) IMPLEMENT CONNECTOR PTO ENGAGEMENT S/W INSTRUMENT PANEL B INSTRUMENT PANEL A 1. GND DIDOE FUSE BOX (PTO) PTO VALVE START SAFETY REAR COMBINATION LAMP((R) (PTO) STARTER CRUISE ENGINE GLOW RELAY FLASH UNIT CONTROL UNIT (PREHEAT)

  • Page 437: Bonnet Wiring Diagram (Wiring G)

    301R(h)/31R(h)/401R(h)/F36R(h)/F42R(h) TRACTOR CHAPTeR 7 eLeCTRiC SYSTem .4.2 BOnneT WiRing diAgRAm (WiRing g) HEAD LAMP(R) WIRING A HORN HEAD LAMP(L) F42W751A 42hW-201601...

  • Page 439: Sectional View For Major Components

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 6. seCtiONal view FOr majOr COmpONeNts 6.1 Battery 3015r(h)/3515r(h)/4015r(h) F42W752A COmpONeNts (1) Battery stop bracket (4) Hex flange nut (7) DPF logger (2) Stop rod (5) Bracket(DPF logger) (8) Screw (3) Washer (6) Hex flange bolt 42hw-201601...
  • Page 440 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr F36r(h)/F42r(h) F42W753A COmpONeNts (1) Battery (3) Stop rod (5) Hex flange nut (2) Battery stop bracket (4) Washer 42hw-201601...

  • Page 441: Switch

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 6.2 switCh meC. mOdel K42W703A COmpONeNts (1) Meter cover (8) Start switch ass’y (15) Hex flange bolt (2) Meter (9) Emergency switch (16) Controller (3) Screw (10) Urethane (17) Flasher unit (4) Dashboard L (11) Column cover (18) Glow relay (5) Combination switch (12) Bolt (19) Hex bolt(+) (6) Dashboard R (13) Relay (20) PTO connect switch (7) Front wheel s/w (14) Hex flange bolt (21) Screw 42hw-201601...
  • Page 442 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr hst mOdel 24 24 A42W714A COmpONeNts (1) Cap (10) Column cover (19) Glow relay (2) Meter cover (11) Combination switch (20) Controller (3) Meter cover assy (12) Switch, cruise (21) With a flash unit (4) Meter (13) Front wheel s/w (22) Controller (5) Screw (14) Start switch ass�y (23) Hex flange bolt (6) Dashboard r (15) Emergency switch (24) Pto connect switch (7) Dashboard l (16) Relay (25) Screw (8) Bolt (17) Hex bolt(+) (9) Urethane (18) Hex flange bolt 42hw-201601...

  • Page 443: Fender

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 6.3 FeNder 3015r(h)/3515r(h)/4015r(h) F42W754A COmpONeNts (1) Fender R ass’y (5) Hex flange bolt (9) Direction lamp ass’y (2) Fender L ass’y (6) Fender support bracket (10) Combination lamp(R) (3) Fender grip (7) Hex flange nut (11) Combination lamp(L) (4) Hex flange bolt (8) Hex flange nut 42hw-201601...
  • Page 444 Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr F36r(h)/F42r(h) F42W755A COmpONeNts (1) Fender R ass’y (7) Hex flange bolt (13) Reflector (2) Fender L ass’y (8) Hex flange nut (14) Combination lamp(R) (3) Fender grip (9) Hex flange nut (15) Combination lamp(L) (4) Hex flange bolt (10) Bracket (16) Tapping screw (5) Hex flange bolt (11) Combination lamp (6) Fender support bracket (12) Hex flange nut 42hw-201601...

  • Page 445: Hst Pedal [Hst Model]

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr Chapter 7 eleCtriC system 6.4 hst pedal [hst mOdel] Safety start neutral switch ENGINE PART A42W715B COmpONeNts (1) Bracket assy, pedal (13) Snap pin (25) Shaft (2) Hex flange bolt (14) Plain washer (26) Bolt w/washer (3) Bush (15) Switch(FR) (27) Holder assy, spring (4) Shaft assy, front (16) Bolt w/washer (28) Spring (5) Shaft assy, rear (17) Cruise magnet (29) Bolt (6) Roller (18) Hex flange bolt (30) Hex nut (7) Snap ring (19) Joint (31) Wire (8) Pedal ass’y, front (20) Hexagon socket bolt (32) Snap pin (9) Pedal ass’y, rear...

  • Page 446: Troubleshooting

    Chapter 7 eleCtriC system 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr 7. trOuBleshOOtiNg iNspeCtiON item symptOm The engine cannot be started ● ● ● (start motor operated) The engine cannot be started ● ● ● ● ● ● (start motor not operated) The engine can be started without ● depressing the clutch pedal. The engine cannot be ● stopped. The preheat indicator does not ●...
  • Page 447 Chapter 8 INDeX...
  • Page 448 Adjusting front wheel toe-in ........1-39 Circuit diagram for hydraulic system ...... 6-3 After-Treatment Device (ATD) Cleaning air cleaner element ........ 1-34 [3015R(h)/3515R(h)/4015R(h)] ......2-66 Cleaning radiator dust grill ........1-28 After-Treatment Device (ATD) Clutch disassembly..........3-8 [3015R(h)/3515R(h)/4015R(h)] ......2-96 Clutch housing removal ..........

  • Page 449: General Information

    DPF Check LED Lamp ......... 2-24 Front differential assembly disassembly ....5-25 DPF Data Logger..........2-19 Front gear case ............ 5-17 DPF logger [3015R(h)/3515R(h)/4015R(h)] ..7-20 Front outlet valve ............ 6-8 DPF logger [3015R(h)/3515R(h)/4015R(h)] ..7-40 Front outlet valve ..........6-99 DPF System ............
  • Page 450 Chapter 8 INDeX 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F4r(h) traCtOr Interior view ............1-18 Hardware block diagram of DPF data logger ..2-20 Internal structure and operating principle ....6-11 Head cover ............2-69 Introduction ............2-19 Head lamp ............7-48 Hex. bolt ..............1-11 Knuckle section ............5-4 Horn ..............

  • Page 451: Engine

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F4r(h) traCtOr Chapter 8 INDeX Overview..............3-2 Relay 5P ............... 7-25 Overview..............4-2 Relief valve block disassembly ......6-96 Overview............... 4-20 Relief valve pressure test ........6-98 Overview..............5-2 Relief valve pressure test ........6-99 Overview............... 6-10 Relief valve pressure test ........6-99 Replacing engine oil filter ........

  • Page 452: Transmission

    Chapter 8 INDeX 3015r(h)/3515r(h)/4015r(h)/F36r(h)/F4r(h) traCtOr Fork, main shift [MEC. MODEL] ..... 4-36 Specification ............4-2 Lever ass’y, range shift ........4-37 Specifications ............5-2 Front drive shaft ..........4-38 Standard bolt & nut tightening torque ....2-111 4WD lever ............4-39 Standard parts, lubricant, grease and oil ....

  • Page 453: Index

    3015r(h)/3515r(h)/4015r(h)/F36r(h)/F4r(h) traCtOr Chapter 8 INDeX Visual check ............2-10 Warranty .............. 2-31 Warranty condition of emission regulations value .. 2-8 Waste disposal ............1-6 Water pump ............2-68 Water pump ............2-94 We guarantee DPF data logger for 5 years after shipment........2-31 Wiring diagram .............
  • Page 454 MeMO ........................................................................................................................................................................................................................................................................................................................................................................................................................BraNSON tractors Co. Ltd...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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