Cub Cadet 7530 Maintenance Manual
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Cub Cadet 7530 Maintenance Manual

Cub Cadet 7530 Maintenance Manual

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Mitsubishi Tractor
Maintenance Manual
Mitsubishi Agricultural Machinery Co., Ltd.
Tec hn i c al Ser v ic e D e p t .
S V C 7 5 0 0 C .
K&T Saw Shop 606-678-9623 or 606-561-4983

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Summary of Contents for Cub Cadet 7530

  • Page 1 www.mymowerparts.com Mitsubishi Tractor Maintenance Manual Mitsubishi Agricultural Machinery Co., Ltd. Tec hn i c al Ser v ic e D e p t . S V C 7 5 0 0 C . K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 2 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 3: Introduction

    www.mymowerparts.com I INTRODUCTION K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 4 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 5: Table Of Contents

    www.mymowerparts.com Contents Introduction Introduction ................................1 Cautionary Items for Safety ........................1 Meanings of Warning, Caution, and Reference..................1 Spare Parts ..............................1 Usage of this Manual ..........................2 Cautions for Safety and Sanitation ......................3 Standard Maintenance..........................10 Cautionary Items at Operation..........................14 Cautionary Items at Operation .........................
  • Page 6 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 7: Introduction

    www.mymowerparts.com Introduction Introduction This manual is prepared subject to the dealers for Cub Cadet Corporation and explains the procedures for repair and adjustment work with illustrations, service value, and specialized tools, etc. required for the work. The repair and adjustment procedures are described for all licensed service staff and inexperienced service staff. This manual is complied based on the product as of December 2003.

  • Page 8: Usage Of This Manual

    Introduction Usage of this Manual This manual describes procedures and inspection items for maintenance and adjustment of 7530 and 7532. Structure This manual consists of groups and sections. Group A group categorizes the information by components of vehicle. This manual is categorized into 4 groups.

  • Page 9: Cautions For Safety And Sanitation

    www.mymowerparts.com Introduction Cautions for Safety and Sanitation Introduction The majority of maintenance and repair work of the vehicle contains potential danger to health. In this section, cautionary items required for accident prevention for works with potential danger and related material and tools are described.
  • Page 10 www.mymowerparts.com Introduction Two-Agent Mixture Adhesive People with asthma or allergy in respiratory organs shall not use these agents or work around these agents. Otherwise, it may generate allergic symptoms. Contact with these agents for long period of time will cause an inflammation in eyes or respiratory organs. Drowsiness or losing conscious may be caused by the agents with high density.
  • Page 11 www.mymowerparts.com Introduction Cautionary Items for Chemical Substances • Read and follow the instructions in the label or instruction manual attached to the container. • Remove the chemical substances immediately if attached to the skin or clothes. Clothes notably polluted with chemical substances shall be changed and cleaned.
  • Page 12 www.mymowerparts.com Introduction Electrical Shock Electrical shock occurs when faulty electric device is used or when misused. Make sure to maintain the electric devices in good condition and perform the operation test frequently. Indicate the faulty device and remove it from the working area. Make sure there are no wear disconnection, distortion, disconnection or cracks in the electrical wire, cable, plug and socket.
  • Page 13 www.mymowerparts.com Introduction Fuel Avoid physical contact and wash with soup and water if attached to the skin. Diesel Oil It is flammable. Contact of large amount or long period with the oil of high boiling point will cause serious skin damage such as skin cancer.
  • Page 14 www.mymowerparts.com Introduction Cautionary Items for Health • Avoid a long term or repetitive contact with oil, especially used engine oil. • Use protective clothes. Use waterproof gloves if necessary. • Do not insert the waste cloth containing oil into the pocket. •...
  • Page 15 www.mymowerparts.com Introduction Cautions at Using Lift and Hoist CAUTION • Do not make a lift for substitute. It is very dangerous when lifting up or down the vehicle or parts. Do not work under the parts lifted without any support such as when lifting the engine. Make sure that the lift equipment such as jack, wheel stand, and cling are in an appropriate condition for work at all times and perform a periodical inspection.

  • Page 16: Standard Maintenance

    www.mymowerparts.com Introduction Standard Maintenance Handling Vehicle in Work Area Take cautions for following items at handling vehicle in work area. • Brake the parking brake so that the vehicle will not move forward and backward. Also, make a whirl-stop on slopes.
  • Page 17 www.mymowerparts.com Introduction CAUTION Battery runs out because of short-circuit of the electric circuit. Therefore, when the battery is dead, there exist circuits with running electricity even with all the normal electric circuits off. If connecting the booster cable in such condition, the electric arc will generate. Using a booster cable is the only way to start up the vehicle with battery down;...
  • Page 18 www.mymowerparts.com Introduction CAUTION Compressed air may contain water. Take caution when cleaning the hydraulic parts. • Blow off the dust with compressed air. (Use the eye protectors when using the compressed air.) • Remove the dry dust with vacuum device. Make sure to apply this procedure for removal of dust from asbestos.
  • Page 19 www.mymowerparts.com Introduction Chemical and Physical Reaction Nonmetal parts suffer from hardening, softening, or cracks. For example, the rubber seal for the brake system may deteriorate by pollutant fluid, or the coated face of the body may be corroded by adhesion of fluid. Breakage and Disconnection Damages which occur in nonmetal parts such as oil seal and boots, etc.

  • Page 20: Cautionary Items At Operation

    www.mymowerparts.com Cautionary Items at Operation Cautionary Items at Operation CAUTION Make sure to place the vehicle in level place, brake the parking brake, and stop the engine before staring disassembling or reassembling. Cautionary Items at Operation Disassembly and Removal 1. Use the corresponding tools and equipment. Use the specialized tools as specified, if required. 2.

  • Page 21: Cautionary Items At Handling Electrical Equipment And Electrical Wiring

    www.mymowerparts.com Cautionary Items at Operation 6. Mount C-rings for shaft and hole, as shown in the figure, toward the flat face of the C-rings to the For shaft For hole same direction which the force is received. Flat face directs to direction of receiving force.
  • Page 22 www.mymowerparts.com Cautionary Items at Operation 2.2.1 Wire 1. Tighten the wiring terminal securely. 2. Repair or change the damaged or deteriorated wire immediately. 3. Clamp securely and take caution not to damage the wire by clamping. 4. Take caution not to have the wire contact with dangerous part (rotating equipment, exhaust box, and corner with acute angle, etc.).
  • Page 23 www.mymowerparts.com Cautionary Items at Operation 3. Push up the flange and pull out to disconnect the BS (BS Coupler) waterproof coupler. Male terminal side Female terminal side Lock Flange GS7W1-008 2.2.4 Washing Do not dash the water directly to the electrical equipment such as main switch or alternator, etc.

  • Page 24: Tetrahedral Sketch Drawing

    Tetrahedral Sketch Drawing Tetrahedral Sketch Drawing 1957 2755 GZ3W10-001 Vehicle Frame Dimension (Unit : mm {in}) Model 7530 7532 Item Full Length (with 3P) 3070 {120.9} Full Width 1270 {50} 1330 {52.4} Full Height (2 column frame) 2105 {82.9} 2130 {83.9} Wheel Base 1710 {67.3}...

  • Page 25: Dimension

    Dimension Dimension Mounting Dimension for Farm Working Machine 7530 7532 184 {7.2} 128 {5.0} 73.2  {2.88} 1957 2755 218.4  {8.60} 559.8 {22.04} 1710 {67.3} 809.3 {31.86} 137.9 {5.43} mm {in} GZ3W10-002 Axle Mounting Dimension Model 7530/7532 Axle φ117.5 φPCD152.4 ± φ180 Front Axle 6-M14x2.0 ° ° φ117.5 φPCD152.4...
  • Page 26 Lower Hole Center Hole Upper Hole Upper Limit 769 {30.3} 845 {33.3} 915 {36.0} 7530 F: 7 - 14 (ø 740 {ø 29.1}) Lower Limit 184 {7.2} 295 {11.6} 401 {15.8} R: 9.5 - 24 ( ø 1100 {ø 43.3}) Range of Lift 586 {23.1}...

  • Page 27: Name Of Each Part

    www.mymowerparts.com Name of Each Part Name of Each Part 7532 Engine Control Lever Steering Wheel Meter Panel Position  Control Lever Fuel Cap Blinker Flow Control Lower Cover Brake Pedal HST Pedal Bonnet Seat ROPS PTO Lever Blinker Radiator Air Cleaner Range Lever  Battery Four-wheel Drive  Lever Deferential Lock Pedal Clutch Pedal Alternator Turbo Charger GZ3W10-005 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 28 Name of Each Part 7530 Shattle Lever Seat ROPS Steering Wheel Meter Panel PTO Lever Fuel Cap Blinker Main Shift Lever Range Lever  Lower Cover Four-wheel Drive  Lever Clutch Pedal Bonnet Radiator Sub Tank Engine Control Lever Position  Control Lever Radiator Blinker Air Cleaner Flow Control Battery Brake Pedal Deferential Lock Pedal Accelerator Pedal GZ3W10-006 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 29 Switch Glow Lamp Air Heater Oil Pressure  Lamp Shift Pattern Four- Range  Main shift- Wheel  Shuttle transmission Rear PTO Mid PTO transmission Drive Low  Forward Speed 7530 High  Reverse Speed Low  Speed Forward 7532 N(HST) Medium  Speed Reverse High  Speed GZ3W10-007 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 30: Specification

    www.mymowerparts.com Specification Specification Model 30hp GEAR 32hp HST Model K3M - DT Type Water Cooling 4-Cycle Diesel Type of Injection Direct Injection Type Rated Output (Gross Value) KW {HP} 22.4 {30} 23.9 {32} Rated Output (Net Value) KW {HP} PTO Output Gear Specification KW {HP} 19.1 {26} PTO Output HST Specification...
  • Page 31 www.mymowerparts.com Specification Model 30hp GEAR 32hp HST Engine Speed Rear PTO Type Independent (G) Combined (H) Shaft Size 1 to 3/8 Engine Speed 2000 (Option) Type Independent (G) Combined (H) Mid PTO Shaft Size SAE 1in-12teeth Option Type Pump Model Multiple Gear L/min Discharge...
  • Page 32 www.mymowerparts.com Specification Model 30hp GEAR 32hp HST Load Weight kg {lbs} 408 {900} Vehicle Gross Weight kg {lbs} 2200 {4850} Front Wheel kg {lbs} 1350 {2975} Shared Load Rear Wheel kg {lbs} 1350 {2975} Battery Cub Cadet Fuel Meter Standard Hour/Tachometer Standard Panel...

  • Page 33: Outline

    Model Designation Total Cylinder Capacity 1496 {91.3} (3 × ø 84 × 90 K3M-DT (7530) {3 × ø 3.15 × 3.54}) 1496 {91.3} (3 × ø 84 × 90 K3M-DT (7532) {3 × ø 3.15 × 3.54}) •...

  • Page 34: Periodical Inspection And Maintenance List

    www.mymowerparts.com Periodical Inspection and Maintenance List Periodical Inspection and Maintenance List • Refer to "Periodical Inspection and Maintenance List" and perform the inspection and maintenance in order to maintain the proper function and safety of the machine. • "Periodical Inspection and Maintenance List" is a reference. Perform the inspection and maintenance as required.
  • Page 35 www.mymowerparts.com Periodical Inspection and Maintenance List Inspecting/Maintenance Period Inspecting and Inspecting Details Remarks Maintenance Item Pre-Op 50hrs 100hrs 200hrs 300hrs GEAR : 29L{7.7gal} HST :32L {8.5gal} Inspection, refilling, Transmission oil of genuine oil or over and change time) API.GL - class 4, SAE 80W (for wet brake) 4.0L{1.1gal} of genuine Inspection, refilling,...

  • Page 36: List Of Refueling, Lubrication, And Water/Oil Supply

    www.mymowerparts.com List of Refueling, Lubrication, and Water/Oil Supply List of Refueling, Lubrication, and Water/Oil Supply Classification Item Kind Capacity (L) Replacing Period API Service Viscosity No. Inspect pre-operation Over class and change every 100 Engine Crank Case Engine oil 10W-30 {1.1} hrs.
  • Page 37 www.mymowerparts.com II CHASSIS K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 38 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 39 www.mymowerparts.com Contents CHASSIS Maintenance Standard .............................. 1 List of Maintenance Standard ........................1 List of Standard Torque ..........................4 List of Torque ............................8 List of Sealing Compound ......................... 9 Installation and Removal of Engine Parts ......................11 Removal and Disassembly of Engine Assembly ..................11 Assembly and Installation of Engine Assembly ..................
  • Page 40 www.mymowerparts.com Contents Steering ................................. 113 Structure of Steering ..........................113 Removal and Disassembly of Steering ....................116 Assembly and Installation of Steering ....................118 Inspection and Maintenance of Steering....................121 Troubleshooting..............................123 Running Operation..........................123 Power Steering ............................123 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 41: Maintenance Standard

    www.mymowerparts.com Maintenance Standard Maintenance Standard List of Maintenance Standard (Unit : mm {in}) Item Standard Value Limit Value Remarks Clutch 20 to 30 Free play for clutch pedal {0.79 to 1.18} 1.3 to 1.9 0.20 Rivet countersink amount {0.051 to 0.075} {0.008} 0.05 to 0.15 0.30...
  • Page 42 www.mymowerparts.com Maintenance Standard (Unit : mm{in}) Item Standard Value Limit Value Remarks 0.35 to 0.65 1.00 Clearance bet. main gearing fork and gear gap {0.014 to 0.026} {0.039} 0.35 to 0.65 1.00 Clearance bet. sub gearing fork and gear gap {0.014 to 0.026} {0.039} 0.20 to 0.40...
  • Page 43 www.mymowerparts.com Maintenance Standard (Unit : mm {in}) Item Standard Value Limit Value Remarks Backlash for axle shaft bevel gear 0.20 to 0.40 Assembly of axle shaft 12T and 32T {0.008 to 0.016} 0 to 0.20 Clearance bet. front axle shaft bearing and ring {0 to 0.008} Clearance bet.

  • Page 44: List Of Standard Torque

    www.mymowerparts.com Maintenance Standard List of Standard Torque Hexagon Head Bolt and Nut Unit : (N•m {kgf•cm, lbf•ft}) Strength Classification Designation 0.3 to 0.5 {3 to 5, 0.22 to 0.36} 0.8 to 1.0 {8 to 10, 0.58 to 0.72} 2.5 to 3.4 {25 to 5.4 to 6.4 {55 to 6.4 to 7.4 {65 to 6.4 to 7.4 {65 to...
  • Page 45 www.mymowerparts.com Maintenance Standard Flange Nut Unit : (N•m {kgf•cm, lbf•ft}) Strength Classification for Bolt Designation/Type Without slotted 1.5 to 2.0 {15 to 20, 1.08 to 1.45} Without slotted 3.9 to 4.4 {40 to 45, 2.89 to 3.25} 6.9 to 7.9 {70 to 80, 5.06 to 5.79} With slotted 2.9 to 3.4 {30 to 35, 2.17 to 2.53} 5.4 to 6.4 {55 to 65, 3.98 to 4.7}...
  • Page 46 www.mymowerparts.com Maintenance Standard Hose Joint Unit : (N•m {kgf•cm, lbf•ft}) Designation of Thread Schematic Drawing G1/8 15 {1.5, 11} Union nut G1/4 25 {2.6, 19} G3/8 49{5, 36} G1/2 59 {6, 43} G3/4 118 {12, 87} GZ3W20-002 Parallel Thread Joint for Pipe Unit : (N•m {kgf•cm, lbf•ft}) Designation of Thread Schematic Drawing...
  • Page 47 www.mymowerparts.com Maintenance Standard Taper Thread Pipe Plug Unit : (N•m {kgf•cm, lbf•ft}) Designation of No. of Oil Hole Schematic Drawing Thread G1/4 39 to 44 {4.0 to 4.5, 28.9 to 32.5} 47 to 54 {4.8 to 5.5, 34.7 to 39.8} G3/8 39 to 44 {4.0 to 4.5, 28.9 to 32.5} G1/2...

  • Page 48: List Of Torque

    www.mymowerparts.com Maintenance Standard List of Torque Unit : (N•m {kgf•cm, lbf•ft}) Tightened Parts Torque Double nut for engine control lever 0.78 to 0.98 {8 to 10, 0.58 to 0.72} (Engine left/right) 93.2 to 108 {950 to 1100, 68.7 to 79.6} Mounting bolt for front axle bracket (Engine forepart) 118 to 132 {1200 to 1350, 86.8 to 97.6}...

  • Page 49: List Of Sealing Compound

    www.mymowerparts.com Maintenance Standard List of Sealing Compound Item Sealing Compound Mating Parts Applicable Parts Clutch Threebond #1208D Engine rear plate Clutch housing Inside diameter of release hub Clutch housing assembly Lithium grease Release lever Rotating part of release shaft Grip Threebond #1782 Accelerator lever Lever...
  • Page 50 www.mymowerparts.com Maintenance Standard Item Sealing Compound Mating Parts Applicable Parts Steering Steering shaft Lithium grease Steering column Column bush Grip Threebond #1782 Tilt steering lock lever Lever K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 51: Installation And Removal Of Engine Parts

    www.mymowerparts.com Installation and Removal of Engine Parts Installation and Removal of Engine Parts Removal and Disassembly of Engine Assembly Follow the below procedure for removal and disassembly of engine parts. (This procedure is based on the HST specification.) CAUTION Remove and disassemble the engine parts while engine is cool. Otherwise, it may cause a burn.
  • Page 52 www.mymowerparts.com Installation and Removal of Engine Parts 4. Remove the air cleaner hose and air cleaner. Air cleaner hose Air cleaner GZ3W21-004 5. Remove the lower cover. Lower cover GZ3W21-005 6. Remove the battery. Positive terminal • Disconnect the positive terminal of the battery L-bolt cable Battery •...
  • Page 53 www.mymowerparts.com Installation and Removal of Engine Parts 8. Remove the water hose and drain the coolant from the radiator. Capacity : 5.5 L {1.5 gal} Water hose GZ3W21-008 9. Remove the upper and lower hoses from the Radiator radiator and engine block. Upper hose Lower hose GZ3W21-009...
  • Page 54 www.mymowerparts.com Installation and Removal of Engine Parts 12. Disconnect the harness E from the following engine parts. From engine right side Water temperature  • Water temperature sensor sensor • Solenoid valve for fuel cut • Glow control system Glow control system Solenoid valve  • Fuel pump for fuel cut •...
  • Page 55 www.mymowerparts.com Installation and Removal of Engine Parts 15. Loosen the drain plug and drain the transmission Drain plug oil. Capacity Manual transmission specification : 29 L {7.7 gal} HST specification : 32 L {8.5 gal} GZ3W21-016 16. Remove the return pipe from the oil pump II and I. Return pipe CAUTION Take cautions not to drop the O-ring and gasket.
  • Page 56 www.mymowerparts.com Installation and Removal of Engine Parts 19. Remove the cover. Cover GZ3W21-020 20. Remove the column boot. Column boot Panel GZ3W21-021 21. Remove the rear panels PH and LH. Panel Rear panel GZ3W21-022 22. Remove the meter panel. Meter panel • Disconnect the connectors for harness E and harness B.
  • Page 57 www.mymowerparts.com Installation and Removal of Engine Parts Hazard switch Combination meter Combination  switch Starter switch GZ3W21-051 23. Disconnect the harness E from the following frame parts. Hazard Unit  Relay • Connector • Hazard Unit Connector GZ3W21-024 24. Remove the harness E from the frame. Frame Harness E GZ3W21-025...
  • Page 58 www.mymowerparts.com Installation and Removal of Engine Parts 26. Remove the bolts and nuts and remove the steering assembly. 4 places GZ3W21-027 27. Remove the fuel tank by removing the following Fuel tank parts. • Hose clip 1 Hose clip 1 • Hose clip 2 •...
  • Page 59 www.mymowerparts.com Installation and Removal of Engine Parts 30. Remove the 4WD shaft. Cover Hose clip Cover C-ring Rear joint 4WD Shaft Front joint GZ3W21-031 31. Disconnect the pipe for HST oil cooler. Pipe for HST oil  cooler GZ3W21-032 32. Hang the engine assembly with chain block and remove the mounting bolts for chassis (engine RH and LH).
  • Page 60 www.mymowerparts.com Installation and Removal of Engine Parts 34. Hold the lower part of the clutch housing with the stand. CAUTION When holding the lower part of the clutch housing with the stand, set it in the position where the clutch housing would not fall off from the stand. Stand GZ3W21-035 35.

  • Page 61: Assembly And Installation Of Engine Assembly

    (Only accelerator lever side for HST specification) 5. Engine rpm at Low idle and High idle 7530/7532 Low Idle : 1030 ± 25rpm High Idle : 2700 ± 30rpm K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 62 www.mymowerparts.com Installation and Removal of Engine Parts HST Specification Low speed Return spring for governor lever Return spring for foot pedal  High speed Manual Mission Specification Accelerator lever Grease Grease Control wire Foot pedal Low idle High idle Governor lever Control wire High idle stopper Low idle stopper GZ3W21-050 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 63: Inspection And Maintenance

    www.mymowerparts.com Installation and Removal of Engine Parts Inspection and Maintenance Changing of Engine Oil • Oil Grade: Genuine oil or oil for diesel engine category API, class CD. Oil filler cap GZ3W21-038 Oil pan Drain plug GZ3W21-039 • Oil Amount : 4.2 L {1.1gal} Fill the oil between the line "F"...
  • Page 64 www.mymowerparts.com Installation and Removal of Engine Parts 2 Changing of Oil Filter • First time: Change after 50 hours of operation • After second time: Change after every 100 hours of operation When changing the oil filter, make sure to check the oil amount with oil level gauge and supply to satisfy the required amount.
  • Page 65 www.mymowerparts.com Installation and Removal of Engine Parts 5 Changing of Cooling Water 1. Remove the bypass hose and drain the cooling water. 2. Wash the radiator internal sufficiently by running and draining the water repeatedly until the water in the radiator is clean. Reference) Use the cleaning agent for a better Bypass hose effect.
  • Page 66 www.mymowerparts.com Installation and Removal of Engine Parts 7 Cleaning and Changing of Fuel Filter Clean it every 50 hours and change it every 200 hours. 1. Position the cock to "OFF". 2. Remove the cup and wash it with clean gas-oil. "Close"...
  • Page 67 www.mymowerparts.com Installation and Removal of Engine Parts 3. Loosen the air vent screw "B" and when fuel with no mixture with bubbles starts coming out, tighten "B" "Open" the air vent screw. "Close" GZ3W21-049 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 68: Clutch

    www.mymowerparts.com Clutch Clutch Transmission Power Train Schematic 1 7532 GZ3W22-001 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 69 Clutch 2 7530 GZ3W22-002 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 70: Structure And Specifications Of Clutch

    www.mymowerparts.com Clutch Structure and Specifications of Clutch 1 Specifications Model Model / Dry Single Plate Type (Diaphragm) Facing Dimension (mm {in}) ø 215 × ø 2150 × 3.5 (Ext. Diameter × Inside Diameter × Thickness) {ø 28.46 × ø 25.91 × 0.14} Release Bearing Non-oil supply (grease enclosure) Release Method...
  • Page 71 www.mymowerparts.com Clutch 2 Structure Clutch disc Flywheel Clutch cover Release bearing Release hub Release lever Main shaft Release arm Grease HST specification Clutch disc Flywheel Clutch cover Release bearing Release hub 6006 60/32 Release lever PTO shaft Main shaft Release arm Grease Manual Transmission Specification Release shaft Sectional View A to A GZ3W22-003 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 72: Clutch Control

    www.mymowerparts.com Clutch Clutch Control Clutch pedal Release arm GZ3W22-004 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 73: Removal And Disassembly Of Clutch

    www.mymowerparts.com Clutch Removal and Disassembly of Clutch Follow the following procedure for removal of the clutch. Removal of Clutch Assembly After removing the engine assembly, remove the clutch assembly (clutch cover and clutch disc) by removing fixing bolts. (M8×20 6 bolts) Clutch assembly GZ3W22-005 2 In order to facilitate the removal and installation...
  • Page 74 www.mymowerparts.com Clutch 3. Remove the sheet. Sheet GZ3W22-008 4. Remove the knob and fender cover RH by removing the fixing bolts of cover. Knob Fender  cover RH GZ3W22-009 5. Remove the knob and fender cover LH by removing the fixing bolts of cover. Knob Fender ...
  • Page 75 www.mymowerparts.com Clutch 7. Remove the sheet panel by removing the fixing bolts of sheet panel. Sheet panel GZ3W22-012 8. Remove the rear cover by removing the fixing bolts of rear cover. Rear cover GZ3W22-014 9. Remove the fender RH and LH and frame by Fender RH removing the fixing bolts of fenders and frame.
  • Page 76 www.mymowerparts.com Clutch 10. Remove the support by removing the fixing bolts of the support. Support GZ3W22-016 3 Removal of Clutch Housing Assembly 1. Remove the block. 1) Disconnect the hydraulic pipe from the block. 2) Remove the block by removing the mounting Block bolt of block.
  • Page 77 www.mymowerparts.com Clutch 4. Remove the return spring for brake pedal. Brake pedal LH Return spring Brake pedal RH GZ3W22-020 5. Remove the return spring for clutch pedal. Clutch pedal Return spring GZ3W22-021 6. Remove the joint. (HST Specification) Joint 1) Remove the snap ring from the pin at joint end and remove the joint.
  • Page 78 www.mymowerparts.com Clutch 8. Remove the neutral spring and bracket. (HST Specification) Bracket Neutral spring GZ3W22-024 9. Remove the mounting bolt for clutch housing and Hoist remove the clutch housing assembly. Clutch housing  assembly CAUTION Take caution for safety and balance at disassembling and moving the clutch housing. (Use a jack or hoist as required.) Stand GZ3W22-025...
  • Page 79 www.mymowerparts.com Clutch 4 Disassembly of Clutch Pedal Brake pedal RH Brake pedal LH Shaft Clutch pedal GZ3W22-026 5 Disassembly of Clutch Housing Assembly Clutch cover Manual transmission  Clutch disc specification Clutch disc HST specification Clutch housing Release hub Release shaft Release bearing Release fork GZ3W22-027 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 80: Assembly And Installation Of Clutch

    www.mymowerparts.com Clutch Assembly and Installation of Clutch Follow the procedure for removal and disassembly in the reverse order for assembly and installation of clutch. Assembly of Clutch Assembly 1. Clean the flywheel of engine (clutch mounting face) and apply rust preventive oil. 2.
  • Page 81 www.mymowerparts.com Clutch 3 Assembly of Clutch Pedal CAUTION Take caution for direction of the spring. 1. After adjusting the free play of clutch pedal to 20 to 30mm {0.79 to 1.18in} with nut, lock it. 3) Make sure that the pedal strokes to the stopper. 4) Adjust the rod length to 301mm {11.85in} and lock with nut.

  • Page 82: Inspection And Maintenance Of Clutch

    www.mymowerparts.com Clutch Inspection and Maintenance of Clutch 1 Clutch Facing Inspect the contact and existence of wear, galling, and cracks and repair or change as required. 1. Change the clutch facing with the contact of contact face come to below 80%. 2.
  • Page 83 www.mymowerparts.com Clutch 3 Backlash for Main Shaft Spline and Boss Spline for Disc 1. If the spline of the main shaft and disc boss is worn with step (from A to B as shown in the figure) and exceeding the usable limit, change the main shaft Spline convex together with the clutch disc.

  • Page 84: Hst

    www.mymowerparts.com HST Control Release Trunnion arm Backward Rear joint Front joint Backward  stopper Forward HST pedal Neutral arm Damper Forward stopper Speed control plate GZ3W23-001 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 85: Removal And Disassembly Of Hst

    www.mymowerparts.com Removal and Disassembly of Follow the following procedure for removal and disassembly of HST. Removal of HST Case Remove the HST case after removing the clutch housing. 1. Move the stand placed under the HST case to under the mission case. CAUTION Take caution not to stumble over the body and set the stand.
  • Page 86 www.mymowerparts.com Removal of HST Unit 1. Remove the bolt and remove the pipe. HST unit Pipe GZ3W23-004 2. Remove the mounting bolts for HST unit and then remove the HST unit. HST unit GZ3W23-005 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 87 www.mymowerparts.com 3 Disassembly of HST Case 1. Disassembly of HST Case CAUTION HST unit is a precision part. Do not disassemble the HST unit. Replace the entire unit if. repair of HST unit is necessary. HST unit HST case O-ring Grease GZ3W23-006 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 88 www.mymowerparts.com 4 Disassembly of HST Control Shaft holder Neutral arm Trunnion arm Rear joint Spring Front joint Bracket Speed control lever HST pedal Speed control link Damper Speed control arm Speed control plate Shaft Lock arm Shaft Shoe Brake arm GZ3W23-009 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 89: Assembly And Installation Of Hst

    www.mymowerparts.com Assembly and Installation of Follow the procedure of removal and disassembly in the reverse order for the assembly and installation of HST. Assembly of HST Unit 1. Apply some oil to the O-ring for assembly. 2. Clean the composition face of the HST unit and Center case center case and assemble.

  • Page 90: Inspection And Adjustment Of Hst

    www.mymowerparts.com Inspection and Adjustment of HST 1 Neutral Adjustment of HST 1. Position the trunnion arm to the detent valve position. 2. Turn the shaft holder to set the roller of the neutral arm to the neutral position of the trunnion arm. Tighten the bolt.
  • Page 91 www.mymowerparts.com 3. After adjustment, make sure the HST pedal is operable to both forward and backward sides. Grease Grease Grease Speed control rod (418 {16.46})  Release Trunnion arm  Reverse 25 to 30 {0.98 to 1.18}  Forward Shaft  holder Bolt HST pedal Reverse stopper Neutral arm Forward stopper 92 {3.62}  Adjuster mm {in} Spring GZ3W23-008 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 92 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 93: Transmission

    Transmission Transmission Transmission Assembly Outline 5.1.1 7532 • The main transmission is forward/reverse infinitive transmission and range transmission is 3-range transmission. • PTO gearing: 1-stage rear PTO and 1-stage MID PTO. HST unit PTO clutch Rear PTO (Main gearing) Sub gearing Engine Clutch deceleration...
  • Page 94 Transmission 5.1.2 7530 • The main transmission is forward: 4-stage transmission and reverse: 4-stage transmission, and range transmission is 3-stage transmission. • PTO gearing: 1-stage rear PTO and 1-stage MID PTO. PTO clutch Rear PTO Shuttle change Main gearing Sub gearing...

  • Page 95: Transmission Control

    Transmission Transmission Control 5.2.1 7532 • Range shift • 2WD 4WD change • PTO ON/OFF Sub gearing Rear PTO Intermediate High Rear PTO fork Sub gearing Fork Sub gearing rail PTO rail PTO shifter Rear PTO fork C to C Rear PTO Sub gearing fork 4WD change...
  • Page 96 Transmission Range shift Rear PTO MID PTO Range shift Intermediate High Sub gearing/2WD GZ3W24-004...
  • Page 97 Transmission 5.2.2 7530 • Main shift • Range shift • 2WD 4WD change • PTO ON/OFF Range shift fork Rear PTO Range shift MID PTO Reverse forward Shuttle fork MID PTO fork Low speed High speed MID PTO fork Range shift rail...
  • Page 98 Transmission Shuttle Range shift Rear PTO MID PTO (Option) Shuttle Forward Low speed Sub gearing Backward High speed Main gearing L – L Main shift/Range shift/2DW mm {in} GZ3W24-006...

  • Page 99: Removal And Disassembly Of Transmission

    www.mymowerparts.com Transmission Removal and Disassembly of Transmission Follow the following procedure for removal and disassembly of transmission. 1. Remove the 3-point link. Lift arm Top link 1) Remove the snap pin at rear axle housing and disconnect the stabilizers. 2) Remove the linchpin from lift arm and disconnect it lift rods LH/RM from lift arm.
  • Page 100 www.mymowerparts.com Transmission 5.3.1 Disassembly of Transmission Case Assembly (7532) 1 Follow the following procedure for disassembly of transmission case assembly (7532) after removing the link bracket. 1. Disassemble the center case. Drive shaft Gear 30T/35T Gear 40T Gear 36T Center case Gear 31T 4WD shaft Gear 32T/25T GZ3W24-011 2.
  • Page 101 www.mymowerparts.com Transmission 2 Disassembly of Transmission Control 1. Disassemble the PTO lever. Grip Lever guide LH Rear PTO lever PTO shaft Rear PTO arm Rear PTO link GZ3W24-013 2. Disassemble the HST control. Trunnion arm Joint assembly Neutral arm assembly HST pedal Damper GZ3W24-014 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 102 www.mymowerparts.com Transmission 3. Disassemble the 4WD and range shift control. Range shift lever Shaft 4WD link Range shift link 4WD lever GZ3W24-015 4. Disassemble the P/C control. P/C lever GZ3W24-016 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 103 Transmission 5.3.2 Disassembly of Transmission Case Assembly (Manual Transmission Specification) Follow the following procedure for disassembly of transmission case assembly (7530) after removing the link bracket. 1. Remove the PTO drive shaft. PTO shaft GZ3W24-017 2. Remove the pipe. Remove the eye bolts and remove the pipes.
  • Page 104 www.mymowerparts.com Transmission 4. Remove the transmission housing with removing the mounting bolts. Bearing holder CAUTION When removing the transmission housing, take caution for the matching face of bearing holder Transmission  and differential case not to become apart. housing GZ3W24-020 Gear 34T Shuttle shaft Gear 33T Gear 36T Gear 16T...
  • Page 105 www.mymowerparts.com Transmission 5. Remove the bearing cover and PTO clutch assembly with removing the mounting bolts. Bearing  holder Bearing support GZ3W24-022 6. Remove the PTO clutch. PTO clutch  assembly Bearing holder GZ3W24-023 Spline boss Bolts Bearing cover Shaft GZ3W24-024 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 106 www.mymowerparts.com Transmission 7. Remove the pinion shaft nut. Bearing holder GZ3W24-025 8. Remove the bearing holder. Bearing  holder Differential case GZ3W24-026 9. Remove the gear for 2WD 4WD and sub gearing. Pinion shaft Sub gearing shaft 4WD shaft GZ3W24-027 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 107 www.mymowerparts.com Transmission Gear 19T/34T Gear 28T/33T Sub shaft Gear 14T Gear 28T Gear 35T 4WD shaft Gear 25T Bearing holder GZ3W24-028 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 108 www.mymowerparts.com Transmission 2 Disassembly of Transmission Control Refer to 7532 transmission for disassembly of PTO lever and P/C control. 1. Disassemble the main gearing lever, 4WD control, and sub gearing control. Range shift rod Range shift lever 4WD link Boss Range shift link Crank Main shift lever 4wd lever Main shift (1 to 2) rod Main shift (3 to 4) rod Main shift (3 to 4) link Main shift (1 to 2) link...

  • Page 109: Removal And Disassembly Of Rear Pto

    www.mymowerparts.com Transmission Removal and Disassembly of Rear PTO Follow the following procedure for removal and disassembly of rear PTO after removing the link bracket. 1. Remove the control cover with removing the mounting bolts. (4 bolts) Link Control cover GZ3W24-029 Rear PTO fork PTO shifter MID PTO fork PTO rail...
  • Page 110 www.mymowerparts.com Transmission 2. Remove the link bracket with removing the mounting bolts. (4 bolts) Link bracket GZ3W24-031 3. Remove the PTO cover with removing the mounting bolts. (4 bolts) PTO Cover GZ3W24-032 4. Loosen the mounting bolts (10 pieces) for rear PTO case and remove the rear PTO case assembly.
  • Page 111 www.mymowerparts.com Transmission PTO drive shaft (gear 10T) Gear 19T Gear 33T Gear 46T Gear 44T Rear PTO shaft GZ3W24-034 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 112: Assembly And Installation Of Rear Pto

    www.mymowerparts.com Transmission Assembly and Installation of Rear PTO 1. Clean each part and assemble. 2. Make sure that snap rings and spring pins are securely assembled. 3. Apply oil to the O-ring and needle bearing for assembly. 4. Apply lithium grease to the oil seal for assembly. 5.
  • Page 113 www.mymowerparts.com Transmission 7. Assemble liner "B" with oil groove toward gear Liner "B" Gear 44T Groove 44T. 8. Adjust the endplay shown in the drawing to be Bearing within 0.05 to 0.20mm {0.002 to 0.008in} with Groove Sleeve liner "C". (Unit: mm {in}) Item Thickness Parts No.

  • Page 114: Removal And Disassembly Of Mid Pto

    www.mymowerparts.com Transmission Removal and Disassembly of MID PTO Follow the following procedure for removal and disassembly of MID PTO. Removal of MID PTO 1. Remove the cover and MID PTO assembly with removing the mounting bolts.(4 bolts) MID PTO assembly GZ3W24-038 2 Disassembly of MID PTO Gear 41T 1.

  • Page 115: Assembly And Installation Of Mid Pto

    www.mymowerparts.com Transmission Assembly and Installation of MID PTO Assembly of MID PTO 1. Clean each part sufficiently and assemble. 2. Make sure that snap rings and spring pins are securely attached. 3. Apply oil to the O-ring and needle bearing for assembly.

  • Page 116: Assembly And Installation Of Transmission

    www.mymowerparts.com Transmission Assembly and Installation of Transmission Follow the procedure for removal and disassembly of transmission in the reverse order for assembly and installation and the below procedure for reference for adjustment and maintenance at assembly. 1 Assembly of Transmission 1.
  • Page 117 www.mymowerparts.com Transmission 2 Backlash of Gear Change the spur gear with backlash exceeding the usable limit. (Unit: mm {in}) Referential Usable Item Value Limit 0.35 Backlash of spur gear 0.10 to 0.30 {0.014} for transmission {0.004 to 0.012} (Clearance) 3 Clearance between Shift Fork and Gear groove Measure the clearance between the shift fork and gear groove and change if exceeding the usable limit.
  • Page 118 Transmission 5.8.2 Assembly of Transmission Case Assembly (7530) Sub gearing Low-N-High PTO drive shaft backward-N-forward Grease 22TL Grease 30TL 25TR 20TL 16TR Liner "C" Liner "A" 34TR 33TR Liner "D" 24TL 19TR 29TR 33TL 4-N-3 2-N-1 Liner "B" Main gearing 4WD shaft 2WD-4WD Grease GZ3W24-045 1. Adjust the endplay shown in the drawing to be Liner "A"...
  • Page 119 www.mymowerparts.com Transmission 2. Adjust the endplay shown in the drawing to be within 0.05 to 0.20mm {0.002 to 0.008in} with Liner "B" liner "B". (Unit: mm {in}) Item Thickness Parts No. 0.2 {0.008} 0730 0006 202 Liner "B" 0.6 {0.024} 0730 0006 206 GZ3W24-047 3.
  • Page 120 www.mymowerparts.com Transmission 6 Clearance between Shift Fork and Gear groove Measure the clearance between the shift fork and gear groove and change if exceeding the usable limit. Gear (Unit: mm {in}) Referential Usable Clearance Item Value Limit Fork Clearance bet. shuttle 0.35 to 0.65 1.00 fork and gear groove...

  • Page 121: Inspection And Adjustment Of Transmission

    www.mymowerparts.com Transmission Inspection and Adjustment of Transmission Change of Transmission Oil Oil level gauge • Gear Oil: Multi STOU oil or API over class GL-4 Oil Amount: Upper  HST: 32 L {8.5 gal} limit Gear: 29 L {7.7 gal} Lower  • Supply oil between the line "F" (upper limit) and limit the line "A"...

  • Page 122: Rear Axle And Brake

    www.mymowerparts.com Rear Axle and Brake Rear Axle and Brake Structure of Rear Axle and Brake The drive is transmitted from the pinion shaft to the axle shaft via spiral bevel gear (differential ring gear), differential pinion, differential side gear, and final gear. The differential lock device can be locked by operating the sleeve on the right of differential case in foot-operating jaw clutch.

  • Page 123: Differential Lock Pedal

    Rear Axle and Brake Differential Lock Pedal 7532(HST drive) Differential lock pedal Plate GZ3W25-018 7530(Gear drive) Plate B Differential lock pedal "OFF" "ON" Plate A GZ3W25-002 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 124: Control For Rear Axle And Brake

    www.mymowerparts.com Rear Axle and Brake Control for Rear Axle and Brake Parking brake  lever Wire Brake pedal RH Brake pedal  Clutch pedal Link plate Clutch rod Brake rod GZ3W25-003 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 125: Removal And Disassembly Of Rear Axle And Brake

    www.mymowerparts.com Rear Axle and Brake Removal and Disassembly of Rear Axle and Brake Removal of Rear Axle Assembly After removing the link, tire and fender, follow the following procedure for removal of rear axle assembly. 1. Set the stand in the position as shown. Drain the transmission oil from the rear axle case.
  • Page 126 www.mymowerparts.com Rear Axle and Brake Gear 95T Collar Axle cover Axle shaft GZ3W25-007 4. Remove the differential lock link and brake link. Brake link Differential lock link GZ3W25-008 5. Remove the axle case assembly. Differential shaft Rear axle case GZ3W25-009 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 127 www.mymowerparts.com Rear Axle and Brake Rear axle case Differential shaft 11T LH Differential shaft 11T RH Brake assembly GZ3W25-010 2 Disassembly of Differential Case and Differential Lock Holder Side gear Side gear Ring gear 35T Differential  case Pinion gear Pinion  shaft 6T Holder Sleeve Spring GZ3W25-011 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 128 Rear Axle and Brake 3 Disassembly of Differential Lock Control HST 7532 7530 Shifter Stopper Differential lock  Differential lock arm pedal Differential lock link Shaft Differential lock lever Differential lock pedal GZ3W25-016 4 Disassembly of Brake Control Bracket Brake plate Link Brake pedal RH Parking lever Brake pedal LH Brake rod Brake shaft Parking ratchet GZ3W25-012 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 129: Assembly And Installation Of Rear Axle And Brake

    Rear Axle and Brake Assembly and Installation of Rear Axle and Brake Follow the procedure for removal and disassembly of rear axle in the reverse order for assembly and installation. Case side Press fit to flush oil seal end and bearing side face. Shaft side 1mm {0.039in} Pinion shaft 6T Grease Ring gear 35T Differential case Side gear Brake RH Brake LH "A"...
  • Page 131 www.mymowerparts.com Rear Axle and Brake 1 Assembly of Pinion Shaft 1. Adjust the liner "A" to have the distance from the pinion rear face to the differential case center 82 ± 0.05mm {3.23 ± 0.0020in}. (Unit: mm {in}) Item Thickness Parts No.
  • Page 132 www.mymowerparts.com Rear Axle and Brake 5 Assembly of Rear Axle Assembly 1. Assembly of Brake 1) Assemble the brake disc to the axle case. 2) Assemble the differential shaft. 3) Operate the brake lever to confirm the cam plate is functioning. Reference) Wet type disc brake may make brake noise depending on the type of gear oil.
  • Page 133 www.mymowerparts.com Rear Axle and Brake 3) Turn the rod back 1/2 turn and fix with locknut. "B" Differential lock pedal "J" Locknut Plate mm {in} GZ3W25-019 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 134 Rear Axle and Brake 2. Adjustment of Differential Lock Pedal (7530-Gear drive) 1) Step on the pedal and touch the pedal to the plate "A". Tighten the bolt "A". 2) Release the pedal and touch to the plate "B". Tighten the bolt "B".

  • Page 135: Inspection And Adjustment Of Rear Axle And Brake

    www.mymowerparts.com Rear Axle and Brake Inspection and Adjustment of Rear Axle and Brake 1 Backlash 1. Inspect the backlash and lateral clearance of differential case assembly and adjust the ones exceeding the referential value. (Unit: mm {in}) Item Referential Value Backlash for pinion gear and side gear 0.25 to 0.35 {0.01 to 0.014} Backlash for pinion shaft and differential ring gear...
  • Page 136 www.mymowerparts.com Rear Axle and Brake 6.6.1 Brake Pedal Inspect the clearance between bush inside diameter for the right brake pedal and brake shaft and replace the bush exceeding the usable limit. Clearance (Unit: mm {in}) Brake shaft Usable Item Referential Value Limit Clearance bet.

  • Page 137: Front Axle

    • Center pivot reverse Elliot type is applied to the front axle. • Bevel type is applied to the front axle with the smaller turning radius at cutting angle interior: 60°, external: 54°, and caster 3°. (Unit: mm {in}) Model 7530 7532 Tread (front wheel) (mm) 1070 {42.13} Ground clearance (mm) 337 {13.3}...

  • Page 138: Removal And Disassembly Of Front Axle

    www.mymowerparts.com Front Axle Removal and Disassembly of Front Axle 7.2.1 Removal of Front Axle Assembly Follow the following procedure for removal of front axle assembly. 1. Drain the front axle oil. Drain plug Drain plug GZ3W26-002 2. Remove the propeller shaft. Cover Hose clip Cover C-ring...
  • Page 139 www.mymowerparts.com Front Axle 4. Remove the power steering hydraulic hose. Steering hydraulic hose GZ3W26-004 5. Remove the front axle assembly. Front axle assembly GZ3W26-005 6. Remove the steering cylinder. Steering cylinder GZ3W26-006 7. Remove the wheel shaft assembly. Reamer bolt Wheel shaft assembly GZ3W26-007 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 140 www.mymowerparts.com Front Axle 8. Remove the knuckle arm and final case. Knuckle arm Reamer bolt Reamer  bolt Reamer bolt Wheel case GZ3W26-008 9. Remove the kingpin case. Reamer bolt Kingpin case GZ3W26-009 10. Remove the axle housing. Reamer bolt Deferential shaft gear GZ3W26-010 11. Remove the pinion assembly. Pinion assembly GZ3W26-011 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 141 www.mymowerparts.com Front Axle 12. Remove the deferential assembly. Deferential assembly GZ3W26-012 7.2.2 Disassembly of Front Axle Assembly Follow the following procedure to disassemble the front axle unit by unit. 1. Disassemble the front bracket and rear bracket. Grease Grease Grease Grease Grease GZ3W26-013 Bolt...
  • Page 142 www.mymowerparts.com Front Axle 2. Disassemble the wheel shaft. Grease Final case Adjustment Adjustment GZ3W26-014 Reamer Bolt Bolt O-ring C-ring Liner E Bearing Gear 32T Liner D C-ring Wheel Shaft SI Sleeve Bearing Cover Oil Seal K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 143 www.mymowerparts.com Front Axle 3. Disassemble the kingpin case and final case. Adjustment Grease Bond Grease Adjustment Seal GZ3W26-015 Drain Plug Bolt Cover Liner G Bearing Gear 12T Oil Seal SI Sleeve Bush Thrust Bearing Plug Final Case Reamer Bolt Bolt O-ring Bolt Holder...
  • Page 144 www.mymowerparts.com Front Axle 4. Disassemble the axle housing and center case. Bond Adjustment Adjustment Grease GZ3W26-016 Reamer Bolt Bolt O-ring Gear 14T Liner C Bearing Deferential Shaft Breather Pipe Axle Housing Center case K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 145 www.mymowerparts.com Front Axle 5. Disassemble the pinion assembly. Grease Grease Grease Adjustment Grease GZ3W26-017 Bolt Bracket Holder O-ring Bolt Shim D O-ring Bush O-ring Bearing Bearing Pinion Shaft Oil Seal Case K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 146 www.mymowerparts.com Front Axle 6. Disassemble the deferential assembly. Adjustment Adjustment GZ3W26-018 Liner A Bearing Liner Liner B Bolt Ring Gear Spring Pin Shaft Washer Pinion Side Gear Washer Deferential Case K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 147 www.mymowerparts.com Front Axle 7. Disassemble the knuckle arm. Grease Grease Adjustment GZ3W26-019 Reamer Bolt Bolt Liner F O-ring Bush Knuckle Arm K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 148: Assembly And Installation Of Front Axle

    www.mymowerparts.com Front Axle Assembly and Installation of Front Axle Follow the procedure for removal and disassembly in the reverse order for assembly and installation of front axle. Bond  Pinish shaft Shim "K" Calking Front bracket Grease Liner "J" Front bracket Liner "F" Grease Grease Liner "A" Liner "G" Grease Seal   ...
  • Page 149 www.mymowerparts.com Front Axle 7.3.1 Assembly of Front Axle Assembly 1 Apply lithium grease to the bush of the front and rear brackets for assembly. 2 Screw and crimp the nut in the condition which the front bracket is set with slight backlash, none excessive.
  • Page 150 www.mymowerparts.com Front Axle 6 Installation of Deferential Case Assembly 1. Adjust the backlash for pinion shaft and deferential ring gear to be within 0.25 to 0.35mm {0.01 to 0.014in} with the liner "A". 2. After adjusting the backlash, adjust the lateral backlash for deferential case assembly to be within 0 to 0.10mm {0 to 0.004in} with the liner "B".
  • Page 151 www.mymowerparts.com Front Axle (Unit: mm {in}) Item Thickness Usable Limit 0.10 {0.004} 1135 3016 000 0.40 {0.016} 0731 0002 504 Liner "E" 0.80 {0.031} 0731 0002 508 1.00 {0.039} 0731 0002 510 1.20 {0.047} 0731 0002 512 9 Assembly of Knuckle Arm 1.
  • Page 152 www.mymowerparts.com Front Axle 7.3.2 Installation of Front Axle Assembly 1 Assemble the front axle assembly to the chassis. 1. Make sure that the propeller shaft and spline boss for joint smoothly slides. 2. After assembling, adjust the toe in to 0 to 10.0mm {0 to 0.39in} and steering angle (external angle) to 54°. (Set the length of cutting angle adjusting bolt to 20.0mm {0.787in}.) Reference) Refer to the Section 8 - 3 Assembly and Installation of Steering for toe in adjustment.

  • Page 153: Inspection And Adjustment Of Front Axle

    www.mymowerparts.com Front Axle Inspection and Adjustment of Front Axle 7.4.1 Backlash 1. Inspect the backlash for pinion gear and lateral clearance of deferential case and change or adjust the ones exceeding the referential value. (Unit: mm {in}) Item Referential Value Backlash for pinion gear and side gear 0.10 to 0.30 {0.004 to 0.012} Lateral clearance of deferential case...
  • Page 154 www.mymowerparts.com Front Axle 3. Clearance between the holder for knuckle arm and bush Knuckle arm Bush Inspect the clearance between the holder and bush and change the bush exceeding the usable limit. (Unit: mm {in}) Usable Holder Item Referential Value Limit Clearance bet.

  • Page 155: Steering

    www.mymowerparts.com Steering Steering Structure of Steering 8.1.1 Structure • Full hydraulic system is applied for power steering. This power steering is provided with an orbit roll type hydraulic steering unit in the steering system. • This system reduces the steering effort of operator by guiding the forced feed oil from the pump to the unit and sending to the double-acting hydraulic cylinder while controlling.
  • Page 156 www.mymowerparts.com Steering 8.1.2 Steering Unit Right port (R) Left port (L) A - A Section Pump port (P) Tank port (T) C - C Section GS7W3-176 Control Parts Assembly Housing Sleeve Spool Retaining Ring Centering Spring Flat Spring Spring Retaining Ring Thrust Needle Bearing Bearing Race Oil Seal Dust Seal Retainer Screw Assembly Retainer Pin Ball Relief Poppet Spring...
  • Page 157 www.mymowerparts.com Steering 8.1.3 Specification Hydraulic signal Valve System Open Center Load Effect Non-load reaction Model RU051B120F6A (Sumitomo) Mix. Temperature 95° (oil temperature) Preset Pressure 10.3MPa (105kgf/cm , 1493psi) Rated Flow 8L/min {2.1gal/min} GZ3W27-009 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 158: Removal And Disassembly Of Steering

    www.mymowerparts.com Steering Removal and Disassembly of Steering 8.2.1 Removal of Steering Follow below for disassembly referring to Installation and Removal of Engine Parts for Chassis. 1. Disassemble the steering wheel. Column Steering wheel Steering unit Column boot Steering shaft Column bracket GZ3W27-002 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 159 www.mymowerparts.com Steering 2. Disassemble the cylinder assembly and hose. Tie rod end Rod end Hose R Steering unit Hose L Cylinder assembly Tie rod end Rod end GZ3W27-003 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 160: Assembly And Installation Of Steering

    www.mymowerparts.com Steering 3. Disassemble the cylinder assembly. O-ring Dust seal O-ring U packing Case packing Cylinder tube Bushing O-ring Cylinder rod Bushing Ring Case packing Ring U packing O-ring Dust seal O-ring GZ3W27-004 Assembly and Installation of Steering Follow the procedure for removal and disassembly in the reverse order for assembly and installation of steering. 8.3.1 Assembly of Steering Shaft 1.
  • Page 161 www.mymowerparts.com Steering 8.3.2 Installation of Steering Unit Hose 1. Assemble 4 units of steering hoses (T, P, L, and R) with caution not to misassemble. Tighten the fittings on both sides of hose with torque at 29.4 to 39.2N•m {300 to 400kgf•cm, 21.7 to 28.9lbf•ft}. 2.
  • Page 162 www.mymowerparts.com Steering 8.3.3 Assembly of Hydraulic Cylinder Assembly 1. Adjust the steering angle on both sides to interior angle: 60° and external angle: 54° by adjusting the -2° -2° length of stopper bolts. 2. Install hydraulic cylinder assembly as shown in the figure with the nipple of rod end toward as shown (forward to body) at basic measurement 43.5mm {1.71in}.

  • Page 163: Inspection And Maintenance Of Steering

    www.mymowerparts.com Steering 2. Relieve for approximately 3 seconds on the maximum steering angle by operating the steering wheel to left and right. 3. Repeat the procedure 2 in both left and right direction 3 to 4 times. Inspection and Maintenance of Steering 8.4.1 Inspection and Maintenance of Toe In...
  • Page 164 www.mymowerparts.com Steering 5) After tightening the nut for tie rod end with torque at 44.1 to 53.9N•m {450 to 550kgf•cm, 32.5 to 39.8lbf•ft}, adjust the gap in the tightening range of 9.8N•m {100kgf•cm, 7.23lbf•ft} and assemble the split cotter pin. Hose R Hose L Tie rod end...

  • Page 165: Troubleshooting

    www.mymowerparts.com Troubleshooting Troubleshooting • Causes and measures for troubles in chassis are described below. Running Operation Condition Causes (Checked Place) Measures Remarks 1. Clutch slips off. • Adjustment failure of clutch • Adjust free play of pedal. 20 to 30mm pedal {0.79 to 1.18in} •...
  • Page 166 www.mymowerparts.com Troubleshooting 3. Steering action does not • Damage or wear of hydraulic • Repair or change. follow the steering pump operation • Insufficient oil amount • Supply oil to specified amount. • Air mixture • Bleed air sufficiently and inspect oil amount and suction pipes.
  • Page 167 www.mymowerparts.com III HYDRAULIC SYSTEM K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 168 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 169 www.mymowerparts.com Contents HYDRAULIC SYSTEM Hydraulic System ..............................1 Outline ............................... 1 Specifications............................. 1 Hydraulic Circuit Diagram ........................2 Hydraulic Piping Diagram ......................... 4 Hydraulic Components ..........................8 Removal and Disassembly of Hydraulic Circuit ..................16 Assembly and Installation of Hydraulic Circuit ..................23 Inspection and Adjustment of Hydraulic System ..................
  • Page 170 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 171: Hydraulic System

    Hydraulic System Hydraulic System Outline The hydraulic system used for the lifting hitch, power steering, IND PTO (7530 Only), and HST (7532 Only). P/C system (Position Control) is equipped as a lift control for 3-point hitch. Specifications Item 7530/7532...

  • Page 172: Hydraulic Circuit Diagram

    www.mymowerparts.com Hydraulic System Hydraulic Circuit Diagram 1 HST (7532 Only) Lowering speed adjusting valve Hydraulic lift Control valve Upper     Lower   +0.5 15.2     MPa  at  28 L/min 51 cc/rev 11.4 cc/rev 5.15 cc/rev P ,  P ,  GZ3W31-001 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 173 Hydraulic System 2 Manual Transmission (7530 Only) Lowering speed adjusting valve Hydraulic lift Control valve Upper     Lower   +0.5 15.2     MPa  at  28 L/min 51 cc/rev IND PTO 11.4 cc/rev 5.15 cc/rev GZ3W31-002 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 174 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 175: Hydraulic Piping Diagram

    Hydraulic System Hydraulic Piping Diagram 1 HST (7532 Only) - 1/2 Hydraulic pressure extracting block HST pipe D Hose C Pressure pipe B Block HST pipe C Power steering unit Pressure pipe B Hose Oil cooler Suction pipe A HST pipe A Hose A HST return pipe  Pump II Pump I Hose A Suction pipe B Suction pipe C Oil filter Oil cooler Power steering unit HST return pipe Suction pipe B Pump II Hose A  Pump I Hose A Pressure pipe B Suction pipe C Suction pipe A GZ3W31-003...
  • Page 177 www.mymowerparts.com Hydraulic System HST (7532 Only) - 2/2 Oil cooler HST pipe B HST pipe A Pressure pipe HST pipe C Hose C Power steering unit HST pipe D Pressure pipe B Oil filter Block GZ3W31-004 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 178 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 179 Hydraulic System 2 Manual Transmission (7530 Only) - 1/2 Hydraulic pressure extracting block Pressure pipe B Hose B Steering unit Hose Suction pipe A Hose A Pump II Pump I Hose A Hose Suction pipe B Suction pipe C Oil filter Hose B Power steering unit Hose A Joint Suction pipe B Pump II Hose A Pressure pipe B Pump I Suction pipe C Hose A Suction pipe A GZ3W31-005...
  • Page 181 Hydraulic System Manual Transmission (7530 Only) - 2/2 Hose B Return pipe B Pipe A GZ3W31-006 K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 182: Hydraulic Components

    www.mymowerparts.com Hydraulic System Hydraulic Components 1.5.1 Pump 1 Specifications Pump I Pump II Power Steering Pump Model Gear Type Gear Type Fujikoshi Fujikoshi Model GP-OB-13.8-L GP-OB-6.3 Discharge Amount 11.4cc/rev {0.696in /rev} 5.15cc/rev {0.314in /rev} Relief Pressure 15.2MPa (155kgf/cm , 2205psi) 15.2MPa (155kgf/cm , 2205psi) Rotating Direction...
  • Page 183 www.mymowerparts.com Hydraulic System 1.5.2 Hydraulic Block The hydraulic block prevents the hydraulic circuit from damaging by relieving the oil when the pressure raise to higher level than normal level due to some causes. 1 Specifications Relief Pressure Oil Temperature 45°C to 55°C when adjusted to 15.2MPa (155kgf/cm , 2205psi) 2 Hydraulic Block Structure Main Relief Valve...
  • Page 184 www.mymowerparts.com Hydraulic System 3 Disassembly of Hydraulic Block Plug O-ring Shim Spring Poppet Plate Housing Taper plug Relief valve Shaft PR8W4-006 4 External hydraulic circuit This block can provide on external hydraulic circuit for loader use or other applications. Remove the bolt, turn the plate from "O" side to "S" side, and mount with bolt. Remove the plug P and N and connect the hose.
  • Page 185 www.mymowerparts.com Hydraulic System 5 Pressure Measuring Method P (from pump) (To Hydraulic  cylinder)  Plug size R = 1/8 Attach the pressure gauge  to either plug. Plug size R = 1/8 Pressure gauge Relief pressure 15.2MPa  {155kgf/cm , 2205psi} (Use the pressure gauge over 15.2MPa  {155kgf/cm , 2205psi}) PR8W4-008 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 186 Hydraulic System 1.5.3 IND. PTO Valve (7530 Only) 1 Structure GZ3W31-009 Parts Parts Bolt Cover O-ring Sleeve Poppet Filter Bolt Valve O-ring O-ring Relief Valve Assembly O-ring Block K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 187 www.mymowerparts.com Hydraulic System 1.5.4 Control Valve 1 Structure Neutral oil return Unload valve Valve body Hydraulic  Spool valve  Spool valve pressure signal spring Pilot oil return Pump port Cylinder return Sheet Poppet Cylinder port Poppet spring Check valve Control Valve Sectional View PR8W4-014 1. Spool Valve It indirectly operates the unload valve and check valve. 2. Poppet It opens only when lowering the lift arm and is closed to the sheet by poppet spring.
  • Page 188 www.mymowerparts.com Hydraulic System 1.5.5 Position Control • P/C system (Position Control) is equipped as a lift control for 3-point hitch. • The cylinder is independent control type. (Only raise the hitch by hydraulic pressure and lower by weight.) • The lock, functioning as well as flow control valve (lowering speed adjusting valve), located in forepart of lift case shall be used for adjustment of lowering speed for the lift arm.
  • Page 189 www.mymowerparts.com Hydraulic System Parts Parts Knob Spring Pin Screw Ring Washer Spring Sleeve O-ring O-ring O-ring Ball Spring Lift Arm Screw Power Arm Piston Rod Bush Piston O-ring Ring 2 P/C System (Position Control) PC lever Upper limit Stopper A Lower limit Stopper B 5 - 10mm {0.197 - 0.591in} Lift arm Punch mark Flow control valve...

  • Page 190: Removal And Disassembly Of Hydraulic Circuit

    www.mymowerparts.com Hydraulic System Removal and Disassembly of Hydraulic Circuit 1 Disassembly of Hydraulic Pipe 1. Disassemble the hydraulic pump and suction pipe. HST (7532 Only) HST pipe A Hose Suction pipe A Suction pipe B Hose Oil filter Joint Suction pipe C Hydraulic pump II Joint Hydraulic pump I Pressure pipe B GZ3W31-012 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 191 Hydraulic System Manual Transmission (7530 Only) Hose Hose Suction pipe A Suction pipe B Oil filter Joint Suction pipe C Hydraulic pump II Joint Hydraulic pump I Pressure pipe B GZ3W31-013 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 192 www.mymowerparts.com Hydraulic System 2. Disassemble the steering unit and pressure pipe. HST (7532 Only) Hose B Hose A Steering unit Hydraulic pump I Pressure pipe A Filter head Return pipe A Block HST pipe A Oil filter HST pipe D HST pipe C HST pipe B Oil cooler GZ3W31-014 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 193 Hydraulic System Manual Transmission (7530 Only) Pressure pipe A Return pipe A IND PTO valve Hose B Pipe Hydraulic pump I Steering unit Hose A GZ3W31-015 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 194 www.mymowerparts.com Hydraulic System 2 Disassembly of Hydraulic Lift Case 1. Disassemble the flow control part and piston. Flow control Piston Piston Rod GZ3W31-016 2. Disassemble the lift arm. Shaft Hydraulic housing Lift arm Power arm GZ3W31-017 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 195 www.mymowerparts.com Hydraulic System 3. Disassemble the control valve and link part. Feedback link P/C lever P/C arm Boss Bracket Plate Feedback arm Block P/C arm Control valve PAC arm Link Assembly GZ3W31-018 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 196 www.mymowerparts.com Hydraulic System 3 Disassembly of Control Valve 1. Valve Details Plug Plate Unload valve Sheet plug Spool Poppet Plate Check valve Sheet PR8W4-047 1) Unload Valve • Unload valve spring Unload valve spring Part No.: 21101-01215 • O-ring Part No.: 95111-01500 Size: P15 HS70 JIS B2401 PR8W4-048 2) Check Valve •...

  • Page 197: Assembly And Installation Of Hydraulic Circuit

    www.mymowerparts.com Hydraulic System Assembly and Installation of Hydraulic Circuit 1 Assembly of Control Valve Neutral oil return Unload valve Valve body Hydraulic  Spool valve  Spool valve pressure signal spring Pilot oil return Pump port Cylinder return Sheet Poppet Cylinder port Poppet  T  0.3 - 0.6mm spring Check valve Control Valve Sectional View GZ3W31-024A 1. Assembling Procedure 1) Line up all the parts disassembled and check the O-ring for scratches and wears. If any defects, change it. 2) Check the spool, movement of plunger, and sheet part for any bruises.
  • Page 198 www.mymowerparts.com Hydraulic System 2 Installation of Hitch Control Valve Hydraulic housing CAUTION Link assembly Make sure the O-ring is attached before assembly. 1. Set the clearance between the valve plate and valve body to 10mm {0.394in}. 2. Make sure that the clearance "Z" between the (109.5mm {4.311in}) 137    0.3mm {5.394    0.012in} hydraulic housing and link assembly is within 0.58...
  • Page 199 www.mymowerparts.com Hydraulic System 3. Match the punch marks of the power arm and lift shaft for assembly. 4. Match the punch marks of the lift arm and lift shaft for assembly. 5. Wrap the seal tape around the breather and mount it with the hole forward. 6.
  • Page 200 www.mymowerparts.com Hydraulic System 4 Torque for Each Parts l = 30 l = 110 l = 110 l = 40 4 places l = 40 l = 40 l = 110 GZ3W31-028 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 201 www.mymowerparts.com Hydraulic System Parts Size Torque (N•m {kgf•cm, lbf•ft}) Bolt 19.6 to 21.6 {200 to 220, 14.46 to 15.9} 2, 3, 4 Bolt 39.2 to 44.1 {400 to 450, 28.9 to 32.5} Bolt 118 to 132 {1200 to 1350, 86.8 to 97.6} Plug G1/4 34 to 39 {350 to 400, 25.3 to 28.9}...
  • Page 202 www.mymowerparts.com Hydraulic System 6 Torque for Hydraulic Line 1. HST (7532 Only) P, L, and R port T port GZ3W31-029 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 203 www.mymowerparts.com Hydraulic System Parts Size Torque (N•m {kgf•cm, lbf•ft}) Pump mounting nut M8 × 1.25 24.5 to 29.4 {250 to 300, 18.1 to 21.7} 2, 3 Pump mounting nut M6 × 1.0 7.9 to 9.8 {80 to 100, 5.79 to 7.23} 4, 5, 17, 18, 19 Union bolt M16 ×...
  • Page 204 www.mymowerparts.com Hydraulic System 2. Manual Transmission Specification P, L, and R port T port GZ3W31-030 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 205 www.mymowerparts.com Hydraulic System Parts Size Torque (N•m {kgf•cm, lbf•ft}) Pump mounting nut M8 × 1.25 24.5 to 29.4 {250 to 300, 18.1 to 21.7} 2, 3 Pump mounting nut M6 × 1.0 7.9 to 9.8 {80 to 100, 5.79 to 7.23} 4, 5 Union bolt M16 ×...

  • Page 206: Inspection And Adjustment Of Hydraulic System

    www.mymowerparts.com Hydraulic System Inspection and Adjustment of Hydraulic System 1 Bush Clearance Check the clearance of the bush and change the ones exceeding the usable limit. CAUTION • Check the shaft for oscillating face with the bush for fouling and change accordingly. •...

  • Page 207: Troubleshooting

    www.mymowerparts.com Troubleshooting Troubleshooting Condition Causes (Checked Place) Measures Remarks 1. Unusual noise in hydraulic • Insufficient oil (T/M oil) • Supply up to specified HST: circuit amount. 32L{8.5gal} • Sound of cavitation due to excessive • Fix the failure valves. GEAR: resistance to suction 29L{7.7gal}...
  • Page 208 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 209 www.mymowerparts.com IV ELECTRICAL EQUIPMENT K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 210 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 211 www.mymowerparts.com Contents ELECTRICAL EQUIPMENT Wiring Diagram................................ 1 Circuit Diagram ............................1 Arrangement Plan - 1/2..........................2 Harness Drawing............................4 Inspection and Adjustment ............................8 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 212 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 213: Wiring Diagram

    Wiring Diagram Wiring Diagram Circuit Diagram GEAR(7530) HEAD LAMP TURN WORK GLOW CHARGE PANEL TEMP FUEL (25W) COLOR OF WIRE LAMP GEAR LAMP HEATER LAMP LAMP LAMP LAMP x 2 METER METER LAMP (7530) B-BLACK W-WHITE ex-WB (14W) (14W) (14W)

  • Page 214: Arrangement Plan - 1/2

    Wiring Diagram Arrangement Plan - 1/2 Temp gauge Glow plug Air heater To panel Air heater relay To starter switch Relay Air heater controller IND PTO LAMP LOAD Terminal negative Terminal positive Rear PTO safety switch Connector for horn 100A Safety switch Fuse To Panel...
  • Page 215 IND PTO WORK LAMP HORN Hazard unit Headlamp Glow control Fuel pump 100A Fuse box Coupler for 7P IND PTO switch (7530 Only) Air heater controller Diode Earth (for IND PTO valve) IND PTO valve ETR solenoid Oil pressure switch GZ3W41-003...

  • Page 217: Harness Drawing

    www.mymowerparts.com Wiring Diagram Harness Drawing 1 HST (7532) - 1/2 Tail lamp (L) Turn lamp (L) Safety switch Safety switch (clutch) (Rear PTO) Harness Safety switch (MID PTO) GB 2B GB LR 2B 2BW Harness E Safety switch (HST pedal) Working lamp Turn lamp (R) Tail lamp (R)
  • Page 218 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 219 Wiring Diagram HST (7532) - 2/2 Large electric current fuse Earth Large electric current fuse 5WR 2LB FET unit YR RB RB RL Combination switch GR GL Fuel gauge Horn Hazard switch Fuse Panel Starter motor Air heater controller Alternator GY BY Headlamp 3WL 3WR Air heater Relay assembly Relay Glow plug Temp gauge YB GW Temp switch Panel Electromagnetic pump Starter switch...
  • Page 221 Wiring Diagram 2 Manual Transmission (7530) - 1/2 Tail lamp (L) Turn lamp (L) Safety switch Harness (Rear PTO) Safety switch (MID PTO) GB 2B Diode GB LR 2B 2BW Harness E IND PTO switch IND PTO valve Working lamp...
  • Page 222 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 223 Wiring Diagram Manual Transmission (7530) - 2/2 Large electric current fuse Earth Large electric current fuse 5WR 2LB FET unit YR RB RB RL Combination switch GR GL Fuel gauge Horn Hazard switch Fuse Panel Starter motor Safety switch Air heater controller Alternator GY BY Headlamp 3WL 3WR Air heater Relay assembly Relay Glow plug YB GW Temp gauge...

  • Page 225: Inspection And Adjustment

    www.mymowerparts.com Inspection and Adjustment Inspection and Adjustment Start Switch Using the circuit tester, make sure that continuity between terminals for the start switch becomes as shown in the figure. • If the continuity is not as shown in the figure, Continuity: change the start switch.
  • Page 226 • If the continuity is not as shown in the figure, change the hazard switch. GZ3W41-008 4 IND PTO Switch (7530 Only) Using the circuit tester, make sure that continuity between terminals for the IND PTO switch becomes as shown in the figure.
  • Page 227 3. Adjustment of HST Pedal Switch (7532 Only) Set as shown in the figure. HST Pedal Switch 20 to 22 {0.79 to 0.87} mm {in} GZ3W41-013 4. Adjustment of Shift Switch (7530 Only) Set as shown in the figure. Shift Switch Shuttle lever (Shift lever) mm {in} GZ3W41-019 K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 228 www.mymowerparts.com Inspection and Adjustment 6 Fuel Gauge Using the circuit tester, make sure that resistant value between terminals for the fuel gauge becomes as shown in the figure. • If the resistant value is not as shown in the figure, change the fuel gauge.
  • Page 229 Inspection and Adjustment 8 IND PTO Valve (7530 Only) Using the circuit tester, make sure that continuity between terminals for the IND PTO valve becomes as shown in the figure. • If the continuity is not as shown in the figure, change the IND PTO valve.
  • Page 230 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 231 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 232 www.mymowerparts.com Mitsubishi Agricultural Machinery Co., Ltd. K&T Saw Shop 606-678-9623 or 606-561-4983...

This manual is also suitable for:

7532

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