wsm M8540NARROW Workshop Manual
  1. Manuals
  2. Brands
  3. wsm Manuals
  4. Tractor
  5. M8540NARROW
  6. Workshop manual
wsm M8540NARROW Workshop Manual

wsm M8540NARROW Workshop Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
WORKSHOP MANUAL
TRACTOR
M8540NARROW,
M9540NARROW
(SUPPLEMENT)
KiSC issued 07, 2013 A

Advertisement

Table of Contents
loading

Related Manuals for wsm M8540NARROW

Summary of Contents for wsm M8540NARROW

  • Page 1 WORKSHOP MANUAL TRACTOR M8540NARROW, M9540NARROW (SUPPLEMENT) KiSC issued 07, 2013 A...
  • Page 2 TO THE READER In this workshop manual, the primary more functions and changes of M8540Narrow tractor, M9540Narrow Cabin tractor from M8540, M9540 tractor are given. As for the items which are not given in this workshop manual, refer to M8540 and M9540 workshop manual (Code No.
  • Page 3 Record of Revisions For pdf, use search function {Search word} to find all revised locations. Last digit Issue Reference of the Main Revised Point and Corrective Measures {Search word} month Page Code No. 2013.07 Added M9540Narrow Cabin Model {M9540} NI-10, N8-S20, etc.
  • Page 4 INFORMATION KiSC issued 07, 2013 A...

  • Page 5: Table Of Contents

    INFORMATION CONTENTS 1. SAFETY FIRST ..........................NI-1 2. SAFETY DECALS ........................NI-4 3. SPECIFICATIONS........................NI-10 4. TRAVELING SPEEDS........................NI-12 5. DIMENSIONS ..........................NI-13 KiSC issued 07, 2013 A...

  • Page 6: Safety First

    M8540Narrow, M9540Narrow, WSM INFORMATION 1. SAFETY FIRST SAFETY FIRST • This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully.
  • Page 7 M8540Narrow, M9540Narrow, WSM INFORMATION OPERATE SAFELY • Do not use the machine after you consume alcohol or medication or when you are tired. • Put on applicable clothing and safety equipment. • Use applicable tools only. Do not use alternative tools or parts.
  • Page 8 M8540Narrow, M9540Narrow, WSM INFORMATION KEEP A GOOD AIRFLOW IN THE WORK AREA • If the engine is in operation, make sure that the area has good airflow. Do not operate the engine in a closed area. The exhaust gas contains poisonous carbon monoxide.

  • Page 9: Safety Decals

    M8540Narrow, M9540Narrow, WSM INFORMATION 2. SAFETY DECALS The following safety decals (pictorial safety labels) are installed on the machine. If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list.
  • Page 10 M8540Narrow, M9540Narrow, WSM INFORMATION 9Y1210236INI0009US0 NI-5 KiSC issued 07, 2013 A...
  • Page 11 M8540Narrow, M9540Narrow, WSM INFORMATION 9Y1210236INI0010US0 NI-6 KiSC issued 07, 2013 A...
  • Page 12 M8540Narrow, M9540Narrow, WSM INFORMATION CABIN Model 9Y1210236INI0006US0 NI-7 KiSC issued 07, 2013 A...
  • Page 13 M8540Narrow, M9540Narrow, WSM INFORMATION 9Y1210236INI0007US0 NI-8 KiSC issued 07, 2013 A...
  • Page 14 M8540Narrow, M9540Narrow, WSM INFORMATION 9Y1210236INI0001US0 NI-9 KiSC issued 07, 2013 A...

  • Page 15: Specifications

    M8540Narrow, M9540Narrow, WSM INFORMATION 3. SPECIFICATIONS M8540Narrow (ROPS Model) Model Model V3800DI-TE3 Type Vertical, water-cooled, 4-cycle direct injection diesel engine Number of cylinders Total displacement 3769 cm (230.0 cu.in.) Bore and stroke 100 × 120 mm (3.9 × 4.7 in.)
  • Page 16 M8540Narrow, M9540Narrow, WSM INFORMATION M8540Narrow (CABIN Model) M9540Narrow (CABIN Model) Model Model V3800DI-TE3 Type Vertical, water-cooled, 4-cycle direct injection diesel engine Number of cylinders Total displacement 3769 cm (230.0 cu.in.) Bore and stroke 100 × 120 mm (3.9 × 4.7 in.)

  • Page 17: Traveling Speeds

    M8540Narrow, M9540Narrow, WSM INFORMATION 4. TRAVELING SPEEDS (At rated engine rpm) M8540Narrow M9540Narrow Model (ROPS / CABIN Model) (CABIN Model) Tire size (Rear) 380/70R28 Shuttle shift Range gear Main gear km/h (mph) lever shift lever shift lever 0.60 (0.37) 0.85 (0.53) CREEP 1.10 (0.684)

  • Page 18: Dimensions

    M8540Narrow, M9540Narrow, WSM INFORMATION 5. DIMENSIONS ROPS MODEL 9Y1210236INI0004US0 NI-13 KiSC issued 07, 2013 A...
  • Page 19 M8540Narrow, M9540Narrow, WSM INFORMATION CABIN MODEL 9Y1210236INI0005US0 NI-14 KiSC issued 07, 2013 A...
  • Page 20 GENERAL KiSC issued 07, 2013 A...
  • Page 21 GENERAL CONTENTS 1. TRACTOR IDENTIFICATION.....................NG-1 [1] MODEL NAME AND SERIAL NUMBERS ................NG-1 (1) ROPS Model........................NG-1 (2) CABIN Model........................NG-2 [2] E3 ENGINE ..........................NG-3 2. GENERAL PRECAUTIONS......................NG-4 3. HANDLING PRECAUTIONSFOR ELECTRICAL PARTS AND WIRING ........NG-5 [1] WIRING ..........................NG-5 [2] BATTERY ..........................NG-7 [3] FUSE ............................NG-7 [4] CONNECTOR ........................NG-7 [5] HANDLING OF CIRCUIT TESTER ..................NG-8 [6] COLOR OF WIRING ......................NG-9...
  • Page 22 (1) Front Wheels ........................NG-48 (2) Rear Wheels .........................NG-50 [3] WHEEL HUB ........................NG-51 [4] FENDER ..........................NG-52 (1) Adjusting Fender Height (ROPS Model)...............NG-52 10. IMPLEMENT LIMITATIONS .....................NG-53 [1] IMPLEMENT CAPACITY ....................NG-54 [2] TRAILER LOAD CAPACITY ....................NG-55 KiSC issued 07, 2013 A...

  • Page 23: Tractor Identification

    M8540Narrow, M9540Narrow, WSM GENERAL 1. TRACTOR IDENTIFICATION [1] MODEL NAME AND SERIAL NUMBERS (1) ROPS Model When contacting your local KUBOTA distributor, always specify engine serial number, tractor serial number and hourmeter reading. (1) Tractor Identification Plate (4) ROPS Identification Plate...

  • Page 24: Cabin Model

    M8540Narrow, M9540Narrow, WSM GENERAL (2) CABIN Model When contacting your local KUBOTA distributor, always specify engine serial number, tractor serial number and hourmeter reading. (1) Tractor Identification Plate (4) CAB Identification Plate (2) Tractor Serial Number (CAB Serial Number) (3) Engine Serial Number...

  • Page 25: E3 Engine

    M8540Narrow, M9540Narrow, WSM GENERAL [2] E3 ENGINE [Example: Engine Model Name V3800-DI-T-E3] The emission controls previously implemented in various countries to prevent air pollution will be stepped up as Non-Road Emission Standards continue to change. The timing or applicable date of the specific Non-Road Emission regulations depends on the engine output classification.

  • Page 26: General Precautions

    M8540Narrow, M9540Narrow, WSM GENERAL 2. GENERAL PRECAUTIONS • When you disassemble, carefully put the parts in a clean area to make it easy to find the parts. You must install the screws, bolts and nuts in their initial position to prevent the reassembly errors.

  • Page 27: Handling Precautionsfor Electrical Parts And Wiring

    M8540Narrow, M9540Narrow, WSM GENERAL 3. HANDLING PRECAUTIONSFOR ELECTRICAL PARTS AND WIRING To ensure safety and prevent damage to the machine and surrounding equipment, obey the following precautions in handling electrical parts and wiring. IMPORTANT • Check electrical wiring for damage and loosened connection every year.
  • Page 28 M8540Narrow, M9540Narrow, WSM GENERAL • Securely insert grommet. (1) Grommet (A) Correct (B) Incorrect WSM000001GEG0066US0 • Securely clamp, being careful not to damage wiring. (1) Clamp (3) Clamp (Wind Clamp Spirally) (4) Welding Dent (2) Wire Harness WSM000001GEG0067US0 • Clamp wiring so that there is no twist, unnecessary sag, or excessive tension, except for movable part, where sag be required.

  • Page 29: Battery

    M8540Narrow, M9540Narrow, WSM GENERAL [2] BATTERY • Be careful not to confuse positive and negative terminal posts. • When you remove battery cables, disconnect negative cable first. When you install battery cables, check for polarity and connect positive cable first.

  • Page 30: Handling Of Circuit Tester

    M8540Narrow, M9540Narrow, WSM GENERAL • Use sandpaper to remove rust from terminals. • Repair deformed terminal. Make sure that there is no terminal being exposed or displaced. (1) Exposed Terminal (3) Sandpaper (2) Deformed Terminal (4) Rust WSM000001GEG0075US0 • Make sure that there is no female connector being too open.

  • Page 31: Color Of Wiring

    M8540Narrow, M9540Narrow, WSM GENERAL [6] COLOR OF WIRING • Colors of wire are specified to the color codes. • This symbol of "/" shows color with stripe(s). (An example) Red stripe on white color: W/R Color of wiring Color code...

  • Page 32: Lubricants, Fuel And Coolant

    M8540Narrow, M9540Narrow, WSM GENERAL 4. LUBRICANTS, FUEL AND COOLANT [1] ROPS MODEL Place Capacity Lubricants, fuel and coolant 60 L • No. 2-D diesel fuel Fuel tank 15.9 U.S.gals • No. 1-D diesel fuel if temperature 13.2 Imp.gals is below –10 °C (14 °F) 9.0 L...

  • Page 33: Cabin Model

    M8540Narrow, M9540Narrow, WSM GENERAL [2] CABIN MODEL Place Capacity Lubricants, fuel and coolant 76 L • No. 2-D diesel fuel Fuel tank 20.1 U.S.gals • No. 1-D diesel fuel if temperature 16.7 Imp.gals is below –10 °C (14 °F) 9.0 L Coolant 9.5 U.S.qts...

  • Page 34: Type Of Engine Oil, Fuel And Transmission Oil

    M8540Narrow, M9540Narrow, WSM GENERAL [3] TYPE OF ENGINE OIL, FUEL AND TRANSMISSION OIL NOTE Engine Oil • Oil used in the engine should have an American Petroleum Institute (API) service classification and Proper SAE Engine Oil according to the ambient temperatures as shown above: •...

  • Page 35: Tightening Torques

    M8540Narrow, M9540Narrow, WSM GENERAL 5. TIGHTENING TORQUES [1] GENERAL USE SCREWS, BOLTS AND NUTS Tighten screws, bolts and nuts whose tightening torques are not specified in this Workshop Manual according to the table below. Indication on top of bolt No-grade or 4T...

  • Page 36: Hydraulic Fittings

    M8540Narrow, M9540Narrow, WSM GENERAL [3] HYDRAULIC FITTINGS (1) Hydraulic Hose Fittings Tightening torque Hose size Thread side N·m kgf·m lbf·ft 13.8 to 15.6 1.40 to 1.60 10.2 to 11.5 22.6 to 27.4 2.30 to 2.80 16.7 to 20.2 45.2 to 52.9 4.60 to 5.40...

  • Page 37: Metric Screws, Bolts And Nuts

    M8540Narrow, M9540Narrow, WSM GENERAL [4] METRIC SCREWS, BOLTS AND NUTS Grade Property class 8.8 Property class 10.9 Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft 24 to 27 2.4 to 2.8 18 to 20 30 to 34 3.0 to 3.5 22 to 25 48 to 55 4.9 to 5.7...

  • Page 38: Maintenance

    M8540Narrow, M9540Narrow, WSM GENERAL 6. MAINTENANCE Service Interval Refer- After Item ence since 50 100 150 200 250 300 350 400 450 500 550 600 650 700 page every 1 Engine start system Check NG-20 50 Hr every 2 Wheel bolt torque...
  • Page 39 M8540Narrow, M9540Narrow, WSM GENERAL Service Interval Refer- After Item ence since 50 100 150 200 250 300 350 400 450 500 550 600 650 700 page every 23 Front axle case oil Change NG-33 1000 Hr every 24 Engine valve clearance...

  • Page 40: Check And Maintenance

    M8540Narrow, M9540Narrow, WSM GENERAL 7. CHECK AND MAINTENANCE CAUTION • Be sure to check and service the tractor on a flat place with engine shut off, the parking brake on and chock the wheels. 9Y1210236GEG0008US0 [1] DAILY CHECK To prevent trouble from occurring, it is important to know the condition of the tractor. Check the following items before starting.

  • Page 41: Check Points Of Initial 50 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [2] CHECK POINTS OF INITIAL 50 HOURS Changing Engine Oil CAUTION • Before changing oil, be sure to stop the engine. • Allow engine to cool down sufficiently, oil can be hot and can burn. 1. To drain the used oil, remove the drain plugs (2) at the bottom of the engine and drain the oil completely into the oil pan.

  • Page 42: Check Points Of Every 50 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [3] CHECK POINTS OF EVERY 50 HOURS Checking Engine Start System CAUTION • Do not allow anyone near the tractor while testing. • If the tractor does not pass the test, do not operate the tractor.

  • Page 43: Check Points Of Every 100 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL Checking Wheel Mounting Nuts Tightening Torque CAUTION • Never operate tractor with a loose rim, wheel, or axle. • Any time bolts and nuts are loosened, retighten to specified torque. • Check all bolts and nuts frequently and keep them tight.
  • Page 44 M8540Narrow, M9540Narrow, WSM GENERAL Directions for Storage CAUTION • When connecting the battery, do not reverse the polarities. Connection with reverse polarities will cause spark and troubles to the battery and electrical system in the tractor. • When disconnecting the cable from the battery, start with the negative terminal first.
  • Page 45 M8540Narrow, M9540Narrow, WSM GENERAL Adjusting Fan Belt Tension CAUTION • Be sure to stop the engine before checking belt tension. 1. Stop the engine and remove the key. 2. Apply moderate thumb pressure to belt between pulleys. 3. If tension is incorrect, loosen the alternator mounting bolts and,...
  • Page 46 M8540Narrow, M9540Narrow, WSM GENERAL Lubricating Grease Fittings 1. Apply a small amount of multipurpose grease to following points every 100 hours. 2. If you operated the machine in extremely wet and muddy condition, lubricate grease fittings more often. (1) Battery Terminals...
  • Page 47 M8540Narrow, M9540Narrow, WSM GENERAL Lubricating Points (CABIN Model) (1) Door Hinge (2) Rear Window Hinge 9Y1210236GEG0025US0 NG-25 KiSC issued 07, 2013 A...

  • Page 48: Check Points Of Every 200 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [5] CHECK POINTS OF EVERY 200 HOURS Checking Radiator Hose and Hose Clamp Check to see if radiator hoses are properly fixed every 200 hours of operation or six months, whichever comes first. 1. If hose clamps (2) are loose or water leaks, tighten clamps (2) securely.
  • Page 49 M8540Narrow, M9540Narrow, WSM GENERAL Checking Power Steering Line 1. Check to see that all line and hose clamps are tight and not damaged. 2. If hoses and clamps are found worn or damaged, replace or repair them at once. (1) Power Steering Hose...
  • Page 50 M8540Narrow, M9540Narrow, WSM GENERAL Draining Fuel Tank Water 1. Loosen the drain plugs (2) at the bottom of the fuel tank (1) to let sediments, impurities and water out of the tank. Finally tighten up the plugs. IMPORTANT • If the fuel contains poor qualities with much water in it, drain the fuel tank at shorter intervals.
  • Page 51 M8540Narrow, M9540Narrow, WSM GENERAL Cleaning Air Filter (CABIN Model) Fresh Air Filter 1. Remove the knob bolts (3) and pull out the fresh air filter (1). 2. Blow air from the opposite direction to the filter's normal air flow. Pressure of compressed air must be under 205 kPa (2.1 kgf/cm...

  • Page 52: Check Point Of Every 400 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [6] CHECK POINT OF EVERY 400 HOURS Cleaning Water Separator This job should not be done in the field, but in a clean place. 1. Close the fuel cock (1). 2. Unscrew the retainer ring (2) and remove the cup (3), and rinse the inside with kerosene.

  • Page 53: Check Points Of Every 500 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [7] CHECK POINTS OF EVERY 500 HOURS Replacing Fuel Filter 1. Remove the fuel filter (1). 2. Put a film of clean fuel on rubber seal of new filter. 3. Tighten the filter until it contacts the mounting surface. Tighten filter by hand an additional 1/2 turn only.

  • Page 54: Check Point Of Every 600 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL [8] CHECK POINT OF EVERY 600 HOURS Adjusting Front Axle Pivot 1. If the front axle pivot pin adjustment is not correct, front wheel vibration can occur causing vibration in the steering wheel. Adjusting Procedure 1. Loosen the lock nut (1), screw in the adjusting screw (2) until seated, then tighten the screw (2) with an additional 1/6 turn.

  • Page 55: Check Point Of Every 1500 Hours

    M8540Narrow, M9540Narrow, WSM GENERAL Changing Front Differential Case Oil and Front Axle Case Oil 1. To drain the used oil, remove the drain plugs (1) at the both front axle gear cases and filling plugs (2), and drain the oil completely into the oil pan.

  • Page 56: Check Points Of Every 1 Year

    M8540Narrow, M9540Narrow, WSM GENERAL [12] CHECK POINTS OF EVERY 1 YEAR Replacing Air Cleaner Primary Element and Secondary Element 1. Refer to "[4] CHECK POINTS OF EVERY 100 HOURS" in this section. 9Y1210236GEG0049US0 Checking Air Conditioner Pipe and Hose (CABIN Model) 1.

  • Page 57: Check Points Of Every 2 Years

    M8540Narrow, M9540Narrow, WSM GENERAL [13] CHECK POINTS OF EVERY 2 YEARS Flush Cooling System and Changing Coolant CAUTION • Do not remove the radiator cap when the engine is hot. Then loosen cap slightly to the stop to relieve any excess pressure before removing cap completely.
  • Page 58 M8540Narrow, M9540Narrow, WSM GENERAL (Continued) Anti-Freeze CAUTION • When using antifreeze, put on some protection such as rubber gloves (Antifreeze contains position). • If should drink antifreeze, throw up at once and take medical attention. • When antifreeze comes in contact with the skin or clothing, wash it off immediately.
  • Page 59 M8540Narrow, M9540Narrow, WSM GENERAL (Continued) 1. Adding the LLC (1) Add only water if the mixture reduces in amount by evaporation. (2) If there is a mixture leak, add the LLC of the same manufacture and type in the same mixture percentage.

  • Page 60: Others (Service As Required

    M8540Narrow, M9540Narrow, WSM GENERAL [14] OTHERS (SERVICE AS REQUIRED) Bleeding Fuel System Air must be removed: 1. When the fuel filter or lines are removed. 2. When water is drained from water separator. 3. When tank is completely empty. 4. After the tractor has not been used for a long period of time.
  • Page 61 M8540Narrow, M9540Narrow, WSM GENERAL Draining Clutch Housing Water 1. The tractor is equipped with drain plug (1) under the clutch housing. 2. After operating in rain, snow or tractor has been washed, water may get into the clutch housing. 3. Remove the drain plug (1) and drain the water, then install the plug (1) again.
  • Page 62 M8540Narrow, M9540Narrow, WSM GENERAL Adding Washer Liquid (CABIN Model) 1. Remove the cover (1) and open the washer liquid tank cap (3). 2. Add a proper amount of automobile washer liquid. 1.0 L Washer liquid tank capacity 1.1 U.S.qts 0.9 Imp.qts...
  • Page 63 M8540Narrow, M9540Narrow, WSM GENERAL Replacing Light Bulb CAUTION • Be careful not to drop the bulb, hit anything against the lamp, apply excess force, and get the lamp scratched. If broken, glass may cause injury. Pay more attention to halogen lamps in particular, which have high pressure inside.

  • Page 64: Special Tools

    M8540Narrow, M9540Narrow, WSM GENERAL 8. SPECIAL TOOLS [1] SPECIAL TOOLS Adaptor for Sliding Hammer Application • Use to removing the hydraulic pump drive gear pin with sliding hammer. Hydraulic pump drive gear pin M8 × P1.25 25 mm (0.98 in.) 50 mm (1.97 in.)
  • Page 65 M8540Narrow, M9540Narrow, WSM GENERAL Bevel Gear Shaft Tool Application • Use for measuring and tightening the bevel gear shaft. Bevel gear for front axle Bevel gear for rear axle 12.75 to 12.90 mm square 12.75 to 12.90 mm square (0.50 to 0.51 in. square) (0.50 to 0.51 in.
  • Page 66 M8540Narrow, M9540Narrow, WSM GENERAL Hydraulic Arm Shaft Bushing Press-Fitting Tool Application • Use for replacing the hydraulic arm shaft bushings in the hydraulic cylinder body. NOTE • Unless otherwise specified: All surface 12.5 µm (0.0005 in.) 49.85 to 49.95 mm (1.963 to 1.966 in.) 15 mm (0.59 in.)
  • Page 67 M8540Narrow, M9540Narrow, WSM GENERAL Front Axle Rocking Restrictor 120 mm (4.72 in.) 12 mm (0.72 in.) M10 × P1.25 30 mm (1.18 in.) M16 × P1.5 10 mm (0.39 in.) 20 mm (0.79 in.) 36 mm (1.42 in.) 64 mm (2.52 in.) 45 mm (1.77 in.)

  • Page 68: Tires

    M8540Narrow, M9540Narrow, WSM GENERAL 9. TIRES WARNING • Do not attempt to mount a tire on a rim. This should be done by a qualified person with the proper equipment. • Always maintain the correct tire pressure. Do not inflate tires above the recommended pressure show in the operator's manual.

  • Page 69: Tire Size And Inflation Pressure

    M8540Narrow, M9540Narrow, WSM GENERAL [1] TIRE SIZE AND INFLATION PRESSURE IMPORTANT • Excessive wear of tires may occur due to improper gear ratio. Through the tire pressure is factory-set to the prescribed level, it naturally drops slowly in the course of time. Thus, check it every day and inflate as necessary.

  • Page 70: Tread Adjustment

    M8540Narrow, M9540Narrow, WSM GENERAL [2] TREAD ADJUSTMENT CAUTION • When working on slopes or when working with trailer, set the wheel tread as wide as practical for maximum stability. • Support tractor securely on stands before removing a wheel. • Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be accidentally lowered.
  • Page 71 M8540Narrow, M9540Narrow, WSM GENERAL (Continued) 1165 mm 7.5R20 – – (45.87 in.) 1154 mm 1139 mm 250 / 80-18 – (45.43 in.) (44.84 in.) 1156 mm 1142 mm 280 / 70R18 – (45.51 in.) (44.96 in.) 1175 mm 280 / 70R20 –...

  • Page 72: Rear Wheels

    M8540Narrow, M9540Narrow, WSM GENERAL (2) Rear Wheels Rear tread width can be adjusted as shown with the standard equipped tires. To change the tread width 1. Remove the wheel rim and / or disc mounting bolts. 2. Change the position of the rim and disc (right and left) to the desired position, and tighten the bolts.

  • Page 73: Wheel Hub

    M8540Narrow, M9540Narrow, WSM GENERAL Tread (a) 1151 mm 1264 mm 1354 mm 1467 mm 13.6R28 – – – (45.31 in.) (49.76 in.) (53.31 in.) (57.76 in.) 1112 mm 1221 mm 1096 mm 1248 mm 1357 mm 14.9LR20 – – (43.78 in.) (48.07 in.)

  • Page 74: Fender

    M8540Narrow, M9540Narrow, WSM GENERAL [4] FENDER (1) Adjusting Fender Height (ROPS Model) CAUTION • Support tractor securely on stands before removing a wheel. • Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be accidentally lowered.

  • Page 75: Implement Limitations

    M8540Narrow, M9540Narrow, WSM GENERAL 10. IMPLEMENT LIMITATIONS The KUBOTA Tractor has been thoroughly tested for proper performance with implements sold or approved by KUBOTA. Use with implements which exceed the maximum specifications listed below, or which are otherwise unfit for use with the KUBOTA Tractor may result in malfunctions or failures of the tractor, damage to other property and injury to the operator or others.

  • Page 76: Implement Capacity

    M8540Narrow, M9540Narrow, WSM GENERAL [1] IMPLEMENT CAPACITY M8540Narrow, M9540Narrow Cabin Implement Remarks ROPS / CABIN Max. Load Capacity Refer to the next page Trailer Max. Drawbar Load Refer to the next page Max. Cutting Width 2130 mm (84 in.) Rotary- Cutter Max.

  • Page 77: Trailer Load Capacity

    M8540Narrow, M9540Narrow, WSM GENERAL [2] TRAILER LOAD CAPACITY Drawbar High-hitch Piton-fix Long Normal Automatic CUNA C CUNA D2 600 kg 170 kg 165 kg 175 kg 175 kg 1800 kg 1320 lbs 375 lbs 364 lbs 386 lbs 386 lbs...
  • Page 78 CLUTCH KiSC issued 07, 2013 A...
  • Page 79 MECHANISM CONTENTS 1. PTO CLUTCH...........................N2-M1 [1] STRAUCTURE ........................N2-M1 (1) M8540Narrow Model ....................N2-M1 (2) M9540Narrow (Cabin Model) ..................N2-M2 [2] PTO CLUTCH OPERATION ....................N2-M3 [3] PTO SOLENOID VALVE, RELIEF VALVE AND OIL FLOW ..........N2-M4 KiSC issued 07, 2013 A...

  • Page 80: Pto Clutch

    M8540Narrow, M9540Narrow, WSM CLUTCH 1. PTO CLUTCH [1] STRAUCTURE (1) M8540Narrow Model As shown in the figure above, the PTO propeller shaft 1 is splined to the spline hub and is always rotating while the engine is running. The PTO clutch pack has four clutch discs (6), four drive plates (7), a belleville washer (cupped spring washer) (9) and one pressure plate (5).

  • Page 81: M9540Narrow (Cabin Model)

    M8540Narrow, M9540Narrow, WSM CLUTCH (2) M9540Narrow (Cabin Model) As shown in the figure above, the PTO propeller shaft 1 is splined to the spline hub and is always rotating while the engine is running. The PTO clutch pack has four clutch discs (6), four drive plates (7), a belleville washer (cupped spring washer) (9) and one pressure plate (5).

  • Page 82: Pto Clutch Operation

    M8540Narrow, M9540Narrow, WSM CLUTCH [2] PTO CLUTCH OPERATION When the PTO switch (1) is set to the "B" position, the PTO solenoid valve (3) is operated. Then the oil flows to clutch pack through the PTO solenoid valve (3). When the PTO switch is set to the "A"...

  • Page 83: Pto Solenoid Valve, Relief Valve And Oil Flow

    M8540Narrow, M9540Narrow, WSM CLUTCH [3] PTO SOLENOID VALVE, RELIEF VALVE AND OIL FLOW When the PTO switch is at the OFF position, the oil flows is stopped by the PTO solenoid valve (3). When the PTO switch is at ON position, the solenoid...
  • Page 84 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N2-S1 2. TIGHTENING TORQUES......................N2-S2 3. CHECKING AND ADJUSTING....................N2-S3 [1] PTO CLUTCH........................N2-S3 4. DISASSEMBLING AND ASSEMBLING ................... N2-S4 [1] SEPARATING CLUTCH HOUSING FROM TRANSMISSION CASE ........ N2-S4 (1) Preparation ........................N2-S4 (2) ROPS Model......................... N2-S5 (3) CABIN Model......................

  • Page 85: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM CLUTCH 1. SERVICING SPECIFICATIONS Item Factory Specification Allowable Limit PTO Clutch Operating 2.16 to 2.26 MPa – Condition Pressure 22 to 23 kgf/cm • Engine Speed : 312.91 to 327.14 psi −1 Approx. 2600 min (rpm) • Oil temperature 45 to 55 °C...

  • Page 86: Tightening Torques

    M8540Narrow, M9540Narrow, WSM CLUTCH 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG.GENERAL" section.) Item N·m kgf·m lbf·ft...

  • Page 87: Checking And Adjusting

    M8540Narrow, M9540Narrow, WSM CLUTCH 3. CHECKING AND ADJUSTING [1] PTO CLUTCH PTO Clutch Operating Pressure IMPORTANT • Do not connect the universal joint of the implement to the tractor PTO shaft while testing. • Set the main shift lever and shuttle lever in Neutral position.

  • Page 88: Disassembling And Assembling

    M8540Narrow, M9540Narrow, WSM CLUTCH 4. DISASSEMBLING AND ASSEMBLING [1] SEPARATING CLUTCH HOUSING FROM TRANSMISSION CASE (1) Preparation Bonnet (ROPS Model) 1. Open the bonnet (1) and disconnect the battery negative terminal. 2. Disconnect the connector (2) for head lights. 3. Disconnect the damper (3) and (4).

  • Page 89: Rops Model

    M8540Narrow, M9540Narrow, WSM CLUTCH Front Axle Rocking Restrictor • Install the front axle rocking restrictor (1) (refer to "8. SPECIAL TOOLS" at "NG. GENERAL" section) to the front axle bracket on both sides. (1) Front Axle Rocking Restrictor 9Y1210236CLS0007US0 (2) ROPS Model Rear Wheel and Fenders 1.
  • Page 90 M8540Narrow, M9540Narrow, WSM CLUTCH Rear ROPS 1. Disconnect the connectors for the trailer coupler, auxiliary power socket, rear combination lamp R.H. and L.H.. 2. Disconnect the breather hoses (2) and (3). 3. Disconnect the fuel hose (6) from the left lower fuel tank (7).
  • Page 91 M8540Narrow, M9540Narrow, WSM CLUTCH Shift Cover and Steps 1. Remove the main shift grip (1) and tilt lever grip (2). 2. Remove the shift cover (3). 3. Remove the step L.H. (4). 4. Remove the main shift wire (6) and select shift wire (5).
  • Page 92 M8540Narrow, M9540Narrow, WSM CLUTCH Fuel Tank L.H. 1. Disconnect the fuel breather hose (1). 2. Remove the lower fuel tank (2). (1) Fuel Breather Hose. (2) Lower Fuel Tank L.H. 9Y1210236CLS0014US0 Hydraulic Outlet Hose 1. Remove the hydraulic outlet hose (3) and (4) with hose support (2).
  • Page 93 M8540Narrow, M9540Narrow, WSM CLUTCH Wire Harness 1. Remove the ground cable screw (1). 2. Disconnect the connector (2) from solenoid assembly. 3. Disconnect the breather hose (3). (1) Screw (3) Breather Hose (2) Connector 9Y1210236CLS0017US0 Panel Board 1. Remove the steering post cover (3) and panel board (2).

  • Page 94: Cabin Model

    M8540Narrow, M9540Narrow, WSM CLUTCH (3) CABIN Model Rear Wheel (Wheel Model) 1. Set the disassembling stand under the transmission case secure. 2. Remove the both rear wheels (1). (When reassembling) 260 to 304 N·m Tightening torque Rear wheel mounting nut 26.5 to 31.0 kgf·m...
  • Page 95 M8540Narrow, M9540Narrow, WSM CLUTCH Fuel Tank L.H., Brake Rod and Hydraulic Pipes 1. Remove the fuel hose cover (5) and disconnect the fuel hose (4) from the lower fuel tank R.H.. 2. Remove the protector (6), parking brake rod R.H. (7) and rear differential lock rod (1).

  • Page 96: Separating Clutch Housing Case From Transmission Case

    M8540Narrow, M9540Narrow, WSM CLUTCH (4) Separating Clutch Housing Case from Transmission Case Separating Transmission Case 1. Make sure the clutch housing case and transmission case are securely mounted on the disassembling stands. 2. Remove the transmission case mounting screws and nuts.

  • Page 97: Removing Pto Clutch Pack And Holder

    M8540Narrow, M9540Narrow, WSM CLUTCH [2] REMOVING PTO CLUTCH PACK AND HOLDER Removing Solenoid Valve Assembly 1. Prepare a can for hydraulic pipes. 2. Remove the hydraulic pipe (2WD) (1). 3. Remove the hydraulic pipe (4WD) (2). 4. Remove the hydraulic pipe (Bi-speed turn) (3).

  • Page 98: Removing Pto Clutch Valve

    M8540Narrow, M9540Narrow, WSM CLUTCH [3] REMOVING PTO CLUTCH VALVE Rear Wheel (L.H.) 1. Place the disassembling stand under the transmission case. 2. Remove the rear wheel (1) (L.H.). 3. Remove the harness cover and disconnect the connectors. (When reassembling) 260 to 304 N·m...
  • Page 99 TRANSMISSION KiSC issued 07, 2013 A...
  • Page 100 MECHANISM CONTENTS 1. STRUCTURE..........................N3-M1 [1] F15/R15 SPEED TRANSMISSION (WITH CREEP SYSTEM)...........N3-M1 [2] LIVE PTO-GROUND PTO MODEL (ITA MODEL) .............N3-M2 2. POWER TRAIN FOR TRAVELING GEAR ................N3-M3 [1] BI-SPEED TURN SYSTEM ....................N3-M3 (1) 2WD-4WD-Bi-speed Turn.....................N3-M3 (2) Solenoid Valve......................N3-M5 (3) 4WD / Bi-speed Turn Oil Flow ..................N3-M6 3.

  • Page 101: Structure

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 1. STRUCTURE [1] F15/R15 SPEED TRANSMISSION (WITH CREEP SYSTEM) (1) Damper (3) Main Gear Shift (5) PTO Gear Case (6) 4WD / Bi-speed Section (7) Creep Gear (Cassette Type) Section (8) Range Gear Shift (2) Hydraulic Shuttle Clutch...

  • Page 102: Live Pto-Ground Pto Model (Ita Model)

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [2] LIVE PTO-GROUND PTO MODEL (ITA MODEL) (1) Damper (3) Main Gear Shift Section (5) Live PTO-Ground PTO Section (7) 4WD / Bi-speed Section (8) Creep Gear (Cassette Type (9) Range Gear Shift Section (2) Hydraulic Shuttle Clutch...

  • Page 103: Power Train For Traveling Gear

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 2. POWER TRAIN FOR TRAVELING GEAR [1] BI-SPEED TURN SYSTEM (1) 2WD-4WD-Bi-speed Turn (1) DT Propeller Shaft (2) 36T Gear (3) Neutral Cover (4) 4WD Position (5) Spring (6) Clutch Body (7) 26T Gear (8) Return Spring...
  • Page 104 M8540Narrow, M9540Narrow, WSM TRANSMISSION Turning Angle Inspection Switch The turning angle inspection switch is on the front wheel case support of left side, and this switch is controlled "ON" position or "OFF" position of bi-speed turn. When the 4WD / Bi-speed turn switch is set at the bi-speed turn position, if the turning angle is less than 0.56 rad (32 °), switch is "OFF"...

  • Page 105: Solenoid Valve

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (2) Solenoid Valve Being not electrified, it is kept in neutral position. Therefore, oil is flowed to neither Bi-speed turn clutch (5) nor 4WD clutch (4) when the 4WD / Bi-speed turn switch is switched to OFF position.

  • Page 106: 4Wd / Bi-Speed Turn Oil Flow

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (3) 4WD / Bi-speed Turn Oil Flow Oil pressure-fed from the power steering hydraulic pump is flowed to the solenoid valve assembly (7) through the steering controller and oil cooler. The system hydraulic pressure-fed to disengaged position for 2WD-4WD clutch (4) when 4WD / Bi-speed turn switch at 2WD position.

  • Page 107: Power Train For Pto System

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 3. POWER TRAIN FOR PTO SYSTEM [1] GROUND PTO AND LIVE PTO SECTION (ITA MODEL) (1) PTO Clutch Pack (4) Propeller Shaft 3 (7) 33T G-PTO Gear Live PTO (2) Propeller Shaft 2 (5) Coupling (8) 60T Coupling Gear...
  • Page 108 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N3-S1 2. TIGHTENING TORQUES......................N3-S3 3. CHECKING AND ADJUSTING....................N3-S4 [1] MAIN GEAR SHIFTING...................... N3-S4 (1) ROPS Model......................... N3-S4 (2) CABIN Model........................ N3-S5 [2] 4WD / BI-SPEED TURN SYSTEM ..................N3-S6 4. DISASSEMBLING AND ASSEMBLING ................... N3-S8 [1] 4WD / BI-SPEED TURN SOLENOID VALVE..............

  • Page 109: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 1. SERVICING SPECIFICATIONS Item Factory Specification Allowable Limit Gear on 1st Shaft (3rd-4th) Side Clearance Less than – 0.2 mm 0.0078 in. Gear on 1st Shaft (1st-2nd) Side Clearance Less than – 0.2 mm 0.0078 in.
  • Page 110 M8540Narrow, M9540Narrow, WSM TRANSMISSION 4WD/Bi-Speed Turn System Item Factory Specification Allowable Limit 4WD/Bi-speed Turn Valve Pressure (4WD) 2.16 to 2.26 MPa − Condition 22 to 23 kgf/cm • Engine Speed : 312.91 to 327.14 psi −1 Approx. 2600 min (rpm) Pressure 2.16 to 2.26 MPa...

  • Page 111: Tightening Torques

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" Section.) Item N·m kgf·m lbf·ft...

  • Page 112: Checking And Adjusting

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 3. CHECKING AND ADJUSTING [1] MAIN GEAR SHIFTING (1) ROPS Model Checking Function of Main Gear Shift 1. Check the function of the main gear shift. • Neutral position to 1st gear position. • Neutral position to 2nd gear position.

  • Page 113: Cabin Model

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (2) CABIN Model Checking Function of Main Gear Shift 1. Check the function of the main gear shift. • Neutral position to 1st gear position. • Neutral position to 2nd gear position. • Neutral position to 3rd gear position.

  • Page 114: 4Wd / Bi-Speed Turn System

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [2] 4WD / BI-SPEED TURN SYSTEM Checking of 2WD / 4WD / Bi-speed Turn System 1. Place the disassembling stand under the transmission case. 2. Remove the rear wheels and fender L.H.. 3. Place the disassembling stand under the rear axle case.
  • Page 115 M8540Narrow, M9540Narrow, WSM TRANSMISSION Checking Bi-speed Turn Operating Condition 1. Bi-speed turn operating conditions are below. 2. If the operating condition is not within the factory specifications, check or adjust the related parts. Factory specification 0.1 to 7.2 km/h Check the instrument (0.063 to 4.4 mph)

  • Page 116: Disassembling And Assembling

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 4. DISASSEMBLING AND ASSEMBLING [1] 4WD / BI-SPEED TURN SOLENOID VALVE (1) Removing Solenoid Valve Assembly Solenoid Valve Assembly 1. Refer to the "Removing Solenoid Valve Assembly" at "N2. CLUTCH" section in this manual. (1) Solenoid Valve Assembly...

  • Page 117: Preparation For Separating Each Block

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [2] PREPARATION FOR SEPARATING EACH BLOCK (1) External Parts Bonnet [ROPS Model] 1. Open the bonnet (1) and disconnect the battery negative terminal. 2. Disconnect the connector (2) for head lights. 3. Disconnect the damper (3) and (4).

  • Page 118: Separating Each Block

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [3] SEPARATING EACH BLOCK (1) Clutch Housing Case Steering Post Assembly [ROPS Model] 1. Refer to "(1) Separating Clutch Housing Case from Transmission Case" at "N2. CLUTCH" section. 2. Remove the clamp (1) for PTO wire cable and hand accelerator wire cable.

  • Page 119: Transmission Case

    M8540Narrow, M9540Narrow, WSM TRANSMISSION Separating Transmission Case 1. Remove the transmission case mounting screws and nuts. 2. Separate the transmission case from the clutch housing. (When reassembling) • Apply liquid gasket (Three Bond 1206C or equivalent) to joint face of transmission case and clutch housing case.

  • Page 120: Hydraulic Shuttle Clutch

    M8540Narrow, M9540Narrow, WSM TRANSMISSION PTO Gear Case 1. Remove the PTO cover (1). 2. Remove the PTO gear case assembly (2). (When reassembling) • Apply liquid gaskets (Three Bond 1206C or equivalent) to joint face. 77.5 to 90.2 N·m PTO gear case mounting Tightening torque 7.9 to 9.2 kgf·m...

  • Page 121: Shift Cover

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [5] SHIFT COVER Speed Change Lever 1. Set the main change shift lever (3) to the neutral position. 2. Set the range shift lever (2) to the H position. 3. Remove the shift cover (1) mounting screws.
  • Page 122 M8540Narrow, M9540Narrow, WSM TRANSMISSION Main Shift Fork 1. Remove the roll pin (12), fork rod (10) and 1st-2nd fork (11). 2. Remove the roll pin (13) and (8), fork rod (9) and 3rd-4th fork (7). 3. Remove the roll pin (6), fork rod (4) and 5th fork (5).
  • Page 123 M8540Narrow, M9540Narrow, WSM TRANSMISSION Main Shift Arm 1. Remove the stopper plate (14) and seal cap (13). 2. Remove the select lever (4) then remove the select arm (3). 3. Remove the seal cap (5). 4. Remove the internal circlip (8).

  • Page 124: Clutch Housing

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [6] CLUTCH HOUSING (1) Creep Gear Assembly Creep Gear 1. Remove the creep gear cover (2) as a unit. 2. Remove the internal circlip (1). 3. Tap out the creep gear shift (4) and remove the creep gear (3).

  • Page 125: 1St Shaft, 2Nd Shaft And 3Rd Shaft

    M8540Narrow, M9540Narrow, WSM TRANSMISSION PTO Shaft and Bearing Holder 1. Pull out the PTO shaft (1) with 33T gear (3). 2. Remove the bearing holder mounting screws. 3. Screw in a M12 × 1.25 mm screw (5) into threaded hole (a) to remove the bearing holder (2).

  • Page 126: 1St Shaft

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (3) 1st Shaft 1st Shaft Assembly 1. Remove the bearing (1). 2. Draw out the 1st-2nd, 3rd-4th synchronizer unit and gears. 3. Remove the bearing (26) and external circlip (25). 4. Draw out the 5th synchronizer unit and gears.
  • Page 127 M8540Narrow, M9540Narrow, WSM TRANSMISSION (Continued) (1) Bearing (18) 32T Gear (2) Thrust Collar (19) Thrust Collar (3) Inner Race (20) 1st Shaft (4) Needle Bearing (21) Inner Race (5) 19T Gear (22) 37T Gear (5-speed) (6) Collar (23) Coupling (5-speed)

  • Page 128: 2Nd Shaft

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (4) 2nd Shaft 2nd Shaft Assembly 1. Remove the bearing (1) and (9). 2. Remove the gears. (1) Bearing (6) External Circlip (2) 46T Gear (7) 29T Gear (3) 41T Gear (8) 2nd Shaft (4) 41T Gear...

  • Page 129: Transmission Case

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [7] TRANSMISSION CASE Removing Solenoid Valve Assembly 1. Prepare a can for hydraulic pipes. 2. Remove the hydraulic pipe (2WD) (1). 3. Remove the hydraulic pipe (4WD) (2). 4. Remove the hydraulic pipe (Bi-speed turn) (3).

  • Page 130: 4Wd / Bi-Speed Turn Clutch

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [8] 4WD / Bi-SPEED TURN CLUTCH (1) Removing 4WD / Bi-speed Turn Clutch 4WD / Bi-speed Turn Clutch 1. Draw out the 4WD / Bi-speed turn clutch (1) and Bi-speed turn gear and shaft assembly (2).

  • Page 131: Disassembling 4Wd / Bi-Speed Turn Clutch Pack

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (2) Disassembling 4WD / Bi-speed Turn Clutch Pack 4WD / Bi-speed Turn Shaft 1. Remove the bearing (1) and thrust collar (4). 2. Remove the 31T gear (2). 3. Remove the external circlip (5). 4. Tap out the 4WD / Bi-speed turn shaft (7) with 26T gear (8).
  • Page 132 M8540Narrow, M9540Narrow, WSM TRANSMISSION 4WD Piston 1. Press the pressure plate (4) lightly by hand made jig (2) (refer to "8. SPECIAL TOOLS" at "NG. GENERAL" section), and remove the internal circlip (3). 2. Remove the discs (5), steel plates (6), (7) and pressure plates (4).
  • Page 133 M8540Narrow, M9540Narrow, WSM TRANSMISSION Bi-speed Turn Piston 1. Remove the internal circlip (4). 2. Take out the pressure plate (3), discs (2), steel plate (5) and (7). 3. Press the washer (12) lightly by the hand press, using the jig (8) (refer to "8.

  • Page 134: Removing Differential Gear And Bevel Pinion Shaft

    M8540Narrow, M9540Narrow, WSM TRANSMISSION Removing PTO Clutch Pack and Holder 1. Draw out the pin (2) with sliding hammer (3). (Refer to "8. SPECIAL TOOLS" at "G. GENERAL" section.) 2. Take out the hydraulic pump drive gear (1). 3. Remove the PTO clutch holder mounting screws.
  • Page 135 M8540Narrow, M9540Narrow, WSM TRANSMISSION Differential Lock Fork 1. Remove the clevis pin (3) and plug (1). 2. Draw out the differential lock shaft (5). 3. Take out the differential lock shift fork (2) and spring (4). (When reassembling) • Apply grease to the oil seal.
  • Page 136 M8540Narrow, M9540Narrow, WSM TRANSMISSION Differential Gear Assembly 1. Remove the differential bearing support (1), noting the number of shims (2). 2. Take out the differential gear assembly (4) from transmission case. (When reassembling) • Be sure to fix the O-rings (3).

  • Page 137: Differential Gear

    M8540Narrow, M9540Narrow, WSM TRANSMISSION Spiral Bevel Pinion Shaft 1. Remove the stake of staking nut (1). 2. Set the staking nut locking wrench (2). 3. Set the spiral bevel pinion shaft turning wrench. 4. Turn the spiral bevel pinion shaft turning wrench to the clockwise, then remove it.
  • Page 138 M8540Narrow, M9540Narrow, WSM TRANSMISSION Differential Pinion Shaft and Differential Pinion Gear 1. Tap out the roll pin (1). 2. Draw out the differential pinion shaft 2 (5), and take out the differential pinion gear (3) and differential pinion washer (4).

  • Page 139: Pto Gear Case

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [10] PTO GEAR CASE Disassembling PTO Gear Case (1) PTO Gear Case Cover Screw (2) PTO Gear Case Cover (3) Internal Circlip (4) Ball Bearing (5) PTO Gear Shaft (6) Ball Bearing (7) PTO Gear Case...

  • Page 140: Ground Pto And Live Pto

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [11] GROUND PTO AND LIVE PTO Top Cover Assembly and PTO Gear Case Assembly 1. Remove the top cover mounting screws and nuts. 2. Remove the top cover assembly (1). 3. Remove the PTO gear case (2) and PTO drive shaft as a unit.
  • Page 141 M8540Narrow, M9540Narrow, WSM TRANSMISSION Differential Pipe and Coupling 1. Remove the coupling (2). 2. Remove the differential lock fork (1). (When reassembling) • When assemble the coupling (2), toward the ID paint mark (a) to the rearward. (1) Differential Lock Fork...

  • Page 142: Servicing

    M8540Narrow, M9540Narrow, WSM TRANSMISSION 5. SERVICING [1] BEARING, SHIFT FORK AND SYNCHRONIZER Ball Bearing 1. Hold the inner race, and push and pull the outer race in all directions to check for wear and roughness. 2. Apply transmission fluid to the bearing, and hold the inner race.

  • Page 143: Traveling Clutch

    M8540Narrow, M9540Narrow, WSM TRANSMISSION Flaw on Synchronizer Key and Spring 1. Check the projection in the center of the synchronizer key for wear. 2. Check the spring for fatigue or wear on the area where the spring contacts with the keys.

  • Page 144: Shaft And Gear

    M8540Narrow, M9540Narrow, WSM TRANSMISSION Flatness of Piston, Steel Plate and Pressure Plate (Both 4WD Side and Bi-speed Turn Side) 1. Place the part on a surface plate and check it unable to insert a feeler gauge (allowable limit size) underneath it (at lease four points).

  • Page 145: Differential Gear

    M8540Narrow, M9540Narrow, WSM TRANSMISSION [5] DIFFERENTIAL GEAR (1) Spiral Bevel Pinion Shaft IMPORTANT • When reassembling spiral bevel pinion shaft and differential assembly, be sure to adjust the following. • Turning torque of spiral bevel pinion shaft only. • Backlash and tooth contact between spiral bevel pinion shaft and spiral bevel gear.

  • Page 146: Backlash And Tooth Contact (Except Ita Model)

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (2) Backlash and Tooth Contact (Except ITA Model) Backlash and Tooth Contact between Spiral Bevel Gear and Spiral Bevel Pinion Shaft 1. Set the dial indictor (lever type) with its finger on the tooth surface. 2. Measure the backlash by fixing the spiral bevel pinion shaft (1) and moving the spiral bevel gear (3) by hand.
  • Page 147 M8540Narrow, M9540Narrow, WSM TRANSMISSION (Continued) • Proper Contact More than 35 % red lead contact area on the gear tooth surface. The center of tooth contact at 1/3 of the entire width from the small end. • Shallow or Heel Contact Replace the adjusting collar (2) with thicker one to move the spiral bevel pinion shaft backward.

  • Page 148: Backlash And Tooth Contact (Ita Model)

    M8540Narrow, M9540Narrow, WSM TRANSMISSION (3) Backlash and Tooth Contact (ITA Model) Backlash and Tooth Contact between Spiral Bevel Gear and Spiral Bevel Pinion Shaft 1. Set the dial indictor (lever type) with its finger on the tooth surface. 2. Measure the backlash by fixing the spiral bevel pinion shaft (1) and moving the spiral bevel gear (3) by hand.
  • Page 149 M8540Narrow, M9540Narrow, WSM TRANSMISSION (Continued) • Proper Contact More than 35 % red lead contact area on the gear tooth surface. The center of tooth contact at 1/3 of the entire width from the small end. • Shallow or Heel Contact Change the combination of adjusting collar 1 (6) and 2 (7) with thicker one to move the spiral bevel pinion shaft backward.
  • Page 150 M8540Narrow, M9540Narrow, WSM TRANSMISSION Clearance between Differential Case Bore (39T Bevel Gear Bore) and Differential Side Gear Boss 1. Measure the bore I.D. of the differential case and 39T bevel gear. 2. Measure the differential side gear boss O.D. and calculate the clearance.
  • Page 151 M8540Narrow, M9540Narrow, WSM TRANSMISSION Backlash between Differential Pinion and Differential Side Gear 1. Set a dial indicator (lever type) on the tooth of the differential pinion. 2. Hold the differential side gear and move the differential pinion to measure the backlash.
  • Page 152 REAR AXLE KiSC issued 07, 2013 A...
  • Page 153 MECHANISM CONTENTS 1. STRUCTURE..........................N4-M1 KiSC issued 07, 2013 A...
  • Page 154 M8540Narrow, M9540Narrow, WSM REAR AXLE 1. STRUCTURE (1) Rear Axle (4) Differential Gear (7) Planetary Gear Pin (10) Differential Bearing Support (2) Rear Axle Case (5) 39T Bevel Gear (8) 27T Planetary Gear (11) Differential Lock Shift Fork (3) Planetary Gear Support...
  • Page 155 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N4-S1 2. TIGHTENING TORQUES......................N4-S2 3. DISASSEMBLING AND SERVICING ..................N4-S3 [1] PREPARATION ........................N4-S3 [2] SEPARATING REAR AXLE FROM TRANSMISSION CASE ..........N4-S3 (1) ROPS Model......................... N4-S3 (2) CABIN Model........................ N4-S5 [3] DISASSEMBLING REAR AXLE CASE ................N4-S6 [4] SERVICING ........................

  • Page 156: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM REAR AXLE 1. SERVICING SPECIFICATIONS Item Factory Specification Allowable Limit Internal Gear to Planetary Gear Backlash 0.2 to 0.4 mm 0.5 mm 0.0078 to 0.0157 in. 0.020 in. Thrust Collar Thickness 1.55 to 1.65 mm 1.2 mm 0.0610 to 0.0650 in.
  • Page 157 M8540Narrow, M9540Narrow, WSM REAR AXLE 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m...

  • Page 158: Tightening Torques

    M8540Narrow, M9540Narrow, WSM REAR AXLE 3. DISASSEMBLING AND SERVICING [1] PREPARATION Draining Fuel and Transmission Fluid • Refer to "2. LUBRICANTS, FUEL AND COOLANT" at "NG. GENERAL" section. 9Y1210236RAS0018US0 Lift Rod, Lower Link and Top Link 1. Remove the top link (1).
  • Page 159 M8540Narrow, M9540Narrow, WSM REAR AXLE Rear ROPS and Rear Fuel Tank 1. Disconnect the connectors (4). 2. Disconnect the fuel hose (5) from the lower / left fuel tank. 3. Disconnect the fuel breather hose (7) from the T-joint. 4. Disconnect the breather hoses (3).

  • Page 160: Cabin Model

    M8540Narrow, M9540Narrow, WSM REAR AXLE (2) CABIN Model Rear Axle Case 1. Remove the cylinder support (2). 2. Support the cabin and remove the cabin mounting bolt (1). 3. Remove the rear axle case mounting screws and nuts. 4. Remove the parking brake rod (4) both side from the brake lever (3).

  • Page 161: Disassembling Rear Axle Case

    M8540Narrow, M9540Narrow, WSM REAR AXLE [3] DISASSEMBLING REAR AXLE CASE Planetary Gear Support 1. Remove the retainer plate mounting screw (2) and retainer (1). 2. Remove the external circlip (3). 3. Carefully remove the planetary gear support (4). 4. Remove the internal gear (6) and pins (5).

  • Page 162: Servicing

    M8540Narrow, M9540Narrow, WSM REAR AXLE Rear Axle 1. Tap out the rear axle (3) from the rear axle case. 2. Remove the bearing (2) and oil seal (1). (Assembling Procedure for Rear Axle) 1. Assemble the ball bearing (2) to the rear axle case.
  • Page 163 M8540Narrow, M9540Narrow, WSM REAR AXLE Backlash between Internal Gear and Planetary Gear 1. Set a dial indicator (lever type) on the tooth of the planetary gear. 2. Hold the planetary gear support and move only the planetary gear to measure the backlash.
  • Page 164 BRAKES KiSC issued 07, 2013 A...
  • Page 165 MECHANISM CONTENTS 1. PARKING BRAKE ........................N5-M1 [1] STRUCTURE ........................N5-M1 (1) ROPS Model.........................N5-M1 (2) CABIN Model........................N5-M2 KiSC issued 07, 2013 A...
  • Page 166 M8540Narrow, M9540Narrow, WSM BRAKES 1. PARKING BRAKE [1] STRUCTURE (1) ROPS Model (1) Brake Plate (5) Brake Piston (9) Parking Hand Brake Lever (12) Parking Cable L.H. (2) Brake Disc (6) Brake Shaft (10) Parking Cable Lever (13) Parking Cable R.H.
  • Page 167 M8540Narrow, M9540Narrow, WSM BRAKES (2) CABIN Model (1) Brake Plate (5) Brake Piston (9) Brake Cam Lever R.H. (13) Turnbuckle (2) Brake Disc (6) Brake Shaft (10) Brake Cam Lever L.H. (14) Parking Hand Brake Lever (3) Steel Plate (7) Ball (11) Brake Rod L.H.
  • Page 168 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N5-S1 2. TIGHTENING TORQUES......................N5-S2 3. CHECKING, DISASSEMBLING AND SERVICING ..............N5-S3 [1] CHECKING AND ADJUSTING................... N5-S3 (1) Traveling Brake ......................N5-S3 (2) Parking Brake ....................... N5-S5 [2] DISASSEMBLING AND ASSEMBLING ................N5-S5 (1) Preparation ........................N5-S5 (2) Separating Rear Axle Case from Transmission Case ..........

  • Page 169: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM BRAKES 1. SERVICING SPECIFICATIONS TRAVELING BRAKE Item Factory Specification Allowable Limit Brake Pedal Free Travel 7 to 14 mm – 0.28 to 0.55 in. Cam Plate Flatness – 0.3 mm 0.012 in. Cam Plate and Ball Height 25.45 to 25.55 mm...

  • Page 170: Tightening Torques

    M8540Narrow, M9540Narrow, WSM BRAKES 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m lbf·ft...

  • Page 171: Checking, Disassembling And Servicing

    M8540Narrow, M9540Narrow, WSM BRAKES 3. CHECKING, DISASSEMBLING AND SERVICING [1] CHECKING AND ADJUSTING CAUTION • When checking, park the tractor on flat ground, and stop the engine. 9Y1210236BRS0003US0 (1) Traveling Brake Adjusting Brake Pedal WARNING • Be sure brake pedals have equal adjustment when using locked together.
  • Page 172 M8540Narrow, M9540Narrow, WSM BRAKES Bleeding Brake System IMPORTANT • The shuttle lever and main change lever are shift in "NEUTRAL" position. • Set the parking brake lever to "ON" position. • Fill the transmission fluid to the equalizer and master cylinder when overhaul the master cylinder assembly.

  • Page 173: Parking Brake

    M8540Narrow, M9540Narrow, WSM BRAKES (2) Parking Brake Adjusting Parking Brake Lever (ROPS Model) CAUTION • Stop the engine and chock the wheels before checking parking brake. 1. Raise the parking brake lever (2) to the parking position while counting the ratchet sound made by the parking brake lever (2).

  • Page 174: Separating Rear Axle Case From Transmission Case

    M8540Narrow, M9540Narrow, WSM BRAKES Lift Rod, Lower Link and Top Link 1. Remove the top link (1). 2. Remove the cotter pin and slotted nut (5). 3. Remove the stabilizer bracket (2). 4. Remove the lift rod (3) with lower link (4).

  • Page 175: Brake Piston

    M8540Narrow, M9540Narrow, WSM BRAKES (3) Brake Piston Cam Plate 1. Remove the spring (1). 2. Remove the cam plate (2) and ball (3). (When reassembling) • Be sure to assemble the spring (1). • Be sure to assemble the cam plate to the original position, refer to the I.D.

  • Page 176: Differential Support And Cam Plate Support

    M8540Narrow, M9540Narrow, WSM BRAKES (4) Differential Support and Cam Plate Support Differential Support R.H. and Cam Plate Support L.H. 1. Remove the differential support R.H. (3). 2. Remove the cam plate support L.H. (2). (When reassembling) • Assemble the mark (1) toward the top side.

  • Page 177: Servicing

    M8540Narrow, M9540Narrow, WSM BRAKES Brake Cam and Brake Cam Lever 1. Remove the external circlip (1). 2. Remove the brake cam (2) and brake cam lever (3). (When reassembling) • Apply grease to the O-ring (4) and take care not to damage the O-ring.
  • Page 178 M8540Narrow, M9540Narrow, WSM BRAKES Brake Plate Wear 1. Measure the brake plate thickness with vernier calipers. 2. If the measurement is less than the allowable limit, replace it. 2.1 to 2.5 mm Factory specification 0.0827 to 0.0984 in. Brake plate wear 1.5 mm...
  • Page 179 FRONT AXLE KiSC issued 07, 2013 A...
  • Page 180 MECHANISM CONTENTS 1. STRUCTURE..........................N6-M1 KiSC issued 07, 2013 A...
  • Page 181 M8540Narrow, M9540Narrow, WSM FRONT AXLE 1. STRUCTURE (1) Front Axle Case Support (5) Front Axle (10) 11T Bevel Gear (15) 10T Bevel Pinion Shaft (2) Turning Angle Inspection (6) 10T Bevel Gear (11) Differential Yoke Shaft (16) 23T Bevel Gear...
  • Page 182 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N6-S1 2. TIGHTENING TORQUES......................N6-S2 3. CHECKING, DISASSEMBLING AND SERVICING ..............N6-S3 [1] CHECKING AND ADJUSTING................... N6-S3 [2] DISASSEMBLING AND ASSEMBLING ................N6-S3 (1) Turning Angle Inspection Switch .................. N6-S3 (2) Disassembling Front Axle Case ................... N6-S4 (3) Disassembling Differential Gear ...................

  • Page 183: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM FRONT AXLE 1. SERVICING SPECIFICATIONS Item Factory Specification Allowable Limit Front Wheel Steering Angle 0.646 to 0.680 rad – 37.0 to 39.0 ° Turning Angle Inspection Switch Operating Angle 0.53 to 0.59 rad – 30 to 34 °...

  • Page 184: Tightening Torques

    M8540Narrow, M9540Narrow, WSM FRONT AXLE 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m...

  • Page 185: Checking, Disassembling And Servicing

    M8540Narrow, M9540Narrow, WSM FRONT AXLE 3. CHECKING, DISASSEMBLING AND SERVICING [1] CHECKING AND ADJUSTING Front Wheel Steering Angle 1. Inflate the tires to the specified pressure. 2. Steer the wheels to the extreme left until the front gear case (1) touches with the stopper bolt (2) at right hand side of the front axle and measure the steering angle (A).
  • Page 186 M8540Narrow, M9540Narrow, WSM FRONT AXLE (2) Disassembling Front Axle Case Shutter Plate NOTE • When remove the differential gear, remove the shutter plate. 1. Remove the screw (2). 2. Remove the shutter plate (1). (When reassembling) • Set the shutter plate as much as wider.
  • Page 187 M8540Narrow, M9540Narrow, WSM FRONT AXLE [3] SERVICING Turning Torque of Spiral Bevel Pinion Shaft (Pinion Shaft Only) 1. Install the spiral bevel pinion shaft assembly only to the front axle case. 2. Measure the turning torque of spiral bevel pinion shaft.
  • Page 188 M8540Narrow, M9540Narrow, WSM FRONT AXLE Bevel Gear Case and Front Wheel Case Bushing 1. Visually inspect the DX bushings for signs of wear or damage. (The DX bushing tends to show concentrated wear.) 2. If the DX bushing is worn beyond the alloy portion "L", replace Front wheel case 0.57 mm...
  • Page 189 STEERING KiSC issued 07, 2013 A...
  • Page 190 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ....................N7-S1 2. TIGHTENING TORQUES......................N7-S2 3. CHECKING, DISASSEMBLING AND SERVICING ..............N7-S3 [1] CHECKING AND ADJUSTING................... N7-S3 (1) Hydraulic Pump ......................N7-S3 [2] DISASSEMBLING AND ASSEMBLING ................N7-S4 (1) Removing Power Steering Hydraulic Pump ..............N7-S4 [3] SERVICING ........................

  • Page 191: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM STEERING 1. SERVICING SPECIFICATIONS POWER STEERING PUMP Item Factory Specification Allowable Limit Hydraulic Pump Delivery Above 18.0 L/min Condition 21.4 L/min 4.76 U.S.gals/min • Engine Speed Above 3.96 Imp.gals/min 2600 min (rpm) 5.65 U.S.gals/min • Rated Pressure Above 18.1 MPa...

  • Page 192: Tightening Torques

    M8540Narrow, M9540Narrow, WSM STEERING 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m lbf·ft...

  • Page 193: Checking, Disassembling And Servicing

    M8540Narrow, M9540Narrow, WSM STEERING 3. CHECKING, DISASSEMBLING AND SERVICING [1] CHECKING AND ADJUSTING (1) Hydraulic Pump Hydraulic Flow Test IMPORTANT • When using flowmeter other than KUBOTA specified flowmeter, be sure to use the instructions with the flowmeter. • Do not close the flowmeter loading valve completely, before testing, because it has no relief valve.

  • Page 194: Disassembling And Assembling

    M8540Narrow, M9540Narrow, WSM STEERING (Continued) [Power Steering Pump Delivery] Condition • Engine speed Approx. 2600 min (rpm) • Rated pressure 18.1 MPa 85 kgf/cm 2631 psi • Oil temperature 50 to 60 °C 122 to 140 °F Above Hydraulic pump delivery 21.8 L/min...

  • Page 195: Servicing

    M8540Narrow, M9540Narrow, WSM STEERING [3] SERVICING Steering Cylinder I.D. 1. Measure the steering cylinder I.D. with a cylinder gauge. 2. If the cylinder I.D. exceeds the allowable limit, replace the cylinder barrel. 50.000 to 50.062 mm Factory specification 1.9686 to 1.9709 in.
  • Page 196 HYDRAULIC SYSTEM KiSC issued 07, 2013 A...
  • Page 197 MECHANISM CONTENTS 1. STRUCTURE..........................N8-M1 2. HYDRAULIC CIRCUIT ......................N8-M2 [1] TOTAL HYDRAULIC CIRCUIT (M8540NARROW) ............N8-M2 [2] FLOW PRIORITY VALVE (M8540NARROW) ..............N8-M3 [3] TOTAL HYDRAULIC CIRCUIT (M9540NARROW CABIN) ..........N8-M4 KiSC issued 07, 2013 A...

  • Page 198: Structure

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 1. STRUCTURE (1) Oil Cooler (7) Safety Valve (10) Auxiliary Control Valve (15) Hydraulic Pump (2) Oil Cooler Check Valve (for 3-point Hitch) (11) Brake Master Cylinder (for 3-point Hitch and Auxiliary (3) Power Steering Cylinder...

  • Page 199: Hydraulic Circuit

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 2. HYDRAULIC CIRCUIT [1] TOTAL HYDRAULIC CIRCUIT (M8540NARROW) (1) Oil Tank (Transmission Case) (11) Power Steering Controller (21) Solenoid Valve (30) Shuttle Clutch Pack (2) Hydraulic Oil Filter Cartridge (12) Steering Cylinder (Bi-speed Turn) (31) Relief Valve for 3-point...

  • Page 200: Flow Priority Valve (M8540Narrow)

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [2] FLOW PRIORITY VALVE (M8540NARROW) (1) Spring (2) Spool (3) Groove (4) Orifice Pressure Port Neutral Port Tank Port 1. This priority valve controls for 40 L/min (11 U.S.gals/min, 8.8 Imp.gals/min) to flow to the 3P control valve from the hydraulic pump.

  • Page 201: Total Hydraulic Circuit (M9540Narrow Cabin)

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [3] TOTAL HYDRAULIC CIRCUIT (M9540NARROW CABIN) (1) Oil Tank (Transmission Case) (11) Power Steering Controller (21) Solenoid Valve (30) Shuttle Clutch Pack (2) Hydraulic Oil Filter Cartridge (12) Steering Cylinder (Bi-speed Turn) (31) Relief Valve for 3-point...
  • Page 202 (1) Preparation ......................... N8-S15 (2) ROPS Model....................... N8-S15 (3) CABIN Model......................N8-S17 [3] CONTROL VALVE ......................N8-S18 (1) M8540Narrow Model ....................N8-S18 (2) M9540Narrow Cabin Model..................N8-S20 [4] RELIEF VALVE ........................ N8-S22 [5] SAFETY VALVE ....................... N8-S22 [6] LIFT ARM AND LIFT ARM SHAFT .................. N8-S23 [7] LOWERING SPEED ADJUSTING VALVE ...............

  • Page 203: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 1. SERVICING SPECIFICATIONS HYDRAULIC PUMP Item Factory Specification Allowable Limit Hydraulic Pump for Power Steering Delivery Above 18.0 L/min Condition 21.3 L/min 4.76 U.S.gals/min • Engine speed 5.63 U.S.gals/min 3.96 Imp.gals/min Approx. 2600 min (rpm) 4.69 Imp.gals/min...
  • Page 204 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM CONTROL VALVE Item Factory Specification Allowable Limit Spool Joint Length 24.5 to 25.0 mm – 0.965 to 0.984 in. 9Y1210236HYS0001US0 N8-S2 KiSC issued 07, 2013 A...
  • Page 205 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m...

  • Page 206: Checking And Adjusting

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 3. CHECKING AND ADJUSTING [1] HYDRAULIC PUMP Hydraulic Flow Test IMPORTANT • When using flowmeter other than KUBOTA specified flowmeter, be sure to use the instructions with the flowmeter. • Do not close the flowmeter loading valve completely, before testing, because it has no relief valve.
  • Page 207 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM (Continued) [Power Steering Pump Delivery] Condition • Engine speed Approx. 2600 min (rpm) • Rated pressure 18.1 MPa 185 kgf/cm 2631 psi • Oil temperature 50 to 60 °C 122 to 140 °F Above Hydraulic pump delivery 21.8 L/min...
  • Page 208 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [2] RELIEF AND SAFETY VALVE Relief Valve Setting Pressure Test Using Pressure Tester (Coupler) 1. Install the relief valve set pressure adaptor G (Code No. 07916-52751) to the male half of the quick coupler and then install a pressure gauge (Code No.
  • Page 209 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Safety Valve Setting Pressure Test Using Injection Nozzle Tester 1. Remove the safety valve assembly (1). 2. Attach the safety valve to an injection nozzle tester with a safety valve setting adaptor (refer to "8. SPECIAL TOOLS" at "G.

  • Page 210: Position And Draft Control Linkage

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [3] POSITION AND DRAFT CONTROL LINKAGE Adjusting Position Control Rod and Draft Control Rod 1. Be sure to adjust the position control rod (1) length "L1" and draft control rod (4) length "L2". IMPORTANT • Each draft control lever and position control lever should...
  • Page 211 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Adjusting Position Control 1. Attach a weight of approx. 490 N (50 kgf, 110 lbf) to the end of the lower links. 2. Set the position control lever (2) and draft control lever (1) to the lowest position.
  • Page 212 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Adjusting Uppermost Position of Lift Arm 1. Move the position and draft control levers all the way down. 2. Start the engine and set the engine speed at maximum speed. 3. Operate the position control lever to the uppermost position.
  • Page 213 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Adjusting Draft Control 1. Attach a weight of approx. 490 N (50 kgf, 110 lbf) to the end of the lower links. 2. Start the engine and set the engine speed at 1000 min (rpm).
  • Page 214 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Draft Lever Free Range 1. Attach the weight (2) of approx. 490 N (50 kgf, 110 lbf) to the end of the lower links. 2. Attach the test bar (1) (refer to "8. SPECIAL TOOLS" at "G.
  • Page 215 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Draft Floating Range Check 1. Attach the weight (2) of approx. 490 N (50 kgf, 110 lbf) to the end of the lower links. 2. Attach the test bar (1) to the top link bracket (3).
  • Page 216 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Position and Draft Control Lever Operating Force 1. Check the position and draft control lever operating force. 2. If measurement is not within the factory specification, adjust the with tightening nuts (3). Operating force for...

  • Page 217: Disassembling And Assembling

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 4. DISASSEMBLING AND ASSEMBLING [1] HYDRAULIC PUMP (1) Removing Hydraulic Pump Hydraulic Pump Assembly 1. Place the disassembling stand under the transmission case. 2. Remove the right rear wheel and fender. (ROPS Model) Remove the right rear wheel. (CABIN Model) Remove the right crawler track and sprocket.
  • Page 218 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Seat Bracket 1. Remove the hydraulic remote valve wires (2) and (3). 2. Remove the lowering speed link rod (4). 3. Remove the remote control lever cover (1). 4. Remove the cover (5). 5. Remove the H-L shift rod (7).

  • Page 219: Cabin Model

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM 3-point Hitch Hydraulic Block Assembly 1. Remove the 3-point hitch hydraulic block mounting screws and nuts. 2. Remove the 3-point hitch hydraulic block assembly. (When reassembling) • Apply liquid gasket (Three Bond 1206C or equivalent) to joint face of transmission case and cylinder block.

  • Page 220: Control Valve

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [3] CONTROL VALVE (1) M8540Narrow Model Removing Control Valve 1. Remove the E-shaped stopper (2). 2. Remove the control valve mounting screws. 3. Remove the control valve (1). NOTE • Do not disassemble the spool joint 1 (3) from the spool (4) unless necessary.
  • Page 221 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Disassembling Control Valve 1. Secure the control valve with a vise. 2. Remove the seat plug 1 (1) then take out the spring (2) and poppet (3). 3. Remove the spring plate (6) and spring (7).

  • Page 222: M9540Narrow Cabin Model

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM (2) M9540Narrow Cabin Model Removing Control Valve 1. Remove the E-shaped stopper (2). 2. Remove the control valve mounting screws. 3. Remove the control valve (1). NOTE • Do not disassemble the spool joint 1 (5) from the spool (7) unless necessary.
  • Page 223 M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM Plug and Unload Valve 1. Secure the control valve with a vise. 2. Remove the seat plug 1 (1) for unload poppet 1 (3). 3. Draw out the spring (2) for unload poppet 1 (3).

  • Page 224: Relief Valve

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [4] RELIEF VALVE Disassembling Relief Valve 1. Remove the relief valve assembly (1). 2. Secure the relief valve assembly (1) in a vise. 3. Loosen the lock nut (10). 4. Remove the adjuster (9), and remove the spring (8) and then pilot valve (7).

  • Page 225: Lift Arm And Lift Arm Shaft

    M8540Narrow, M9540Narrow, WSM HYDRAULIC SYSTEM [6] LIFT ARM AND LIFT ARM SHAFT Disassembling Lift Arm and Lift Arm Shaft 1. Remove the external circlip (6). 2. Remove the lift arm R.H. (2). 3. Draw out the lift arm shaft (3) and lift arm L.H. (1) as a unit.
  • Page 226 ELECTRICAL SYSTEM KiSC issued 07, 2013 A...
  • Page 227 MECHANISM CONTENTS 1. WIRING DIAGRAM........................N9-M1 [1] ROPS MODEL........................N9-M1 (1) Except ITA Model ......................N9-M1 (2) ITA Model ........................N9-M2 [2] CABIN MODEL ........................N9-M3 (1) Main Harness (Except ITA Model)................N9-M3 (2) Main Harness (ITA Model)....................N9-M4 (3) Engine Harness ......................N9-M5 (4) Cabin Harness......................N9-M6 (5) Body Harness .......................N9-M7 2.

  • Page 228: Wiring Diagram

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 1. WIRING DIAGRAM [1] ROPS MODEL (1) Except ITA Model N9-M1 KiSC issued 07, 2013 A...

  • Page 229: Ita Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) ITA Model N9-M2 KiSC issued 07, 2013 A...

  • Page 230: Cabin Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [2] CABIN MODEL (1) Main Harness (Except ITA Model) N9-M3 KiSC issued 07, 2013 A...

  • Page 231: Main Harness (Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) Main Harness (ITA Model) N9-M4 KiSC issued 07, 2013 A...

  • Page 232: Engine Harness

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (3) Engine Harness N9-M5 KiSC issued 07, 2013 A...

  • Page 233: Cabin Harness

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (4) Cabin Harness N9-M6 KiSC issued 07, 2013 A...

  • Page 234: Body Harness

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (5) Body Harness N9-M7 KiSC issued 07, 2013 A...

  • Page 235: Electrical Circuit Detailed Chart

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 2. ELECTRICAL CIRCUIT DETAILED CHART [1] ROPS MODEL (1) Starting System, Charging System and Power Supply (Except ITA Model) (1) Slow Blow Fuse Box (9) Starter Motor (17) Key Stop Relay (25) Working Lamp Front Side R.H. (12 V, 21 W)

  • Page 236: Starting System, Charging System And Power Supply (Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) Starting System, Charging System and Power Supply (ITA Model) (1) Slow Blow Fuse Box (10 Main Key Switch (19) Engine Stop Relay (A) Fuel/Work Light (e) Fuse (Turn Signal) (m) Fuse (T/M Control) (2) Fuel/Work Light...

  • Page 237: Lighting System

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (3) Lighting System (1) Hazard Switch (14 V, 1.4 W) (7) Head LIght HI Relay (13) Head Light R.H. (H4 12 V, 55/60 W) (19) Tail Lamp (10 W) (A) Key/Light (e) Fuse (Head Light) (2) Combination Light Switch (8) Brake Switch R.H.

  • Page 238: 4Wd / Bi-Speed Turn (T/M Control) System

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (4) 4WD / Bi-speed Turn (T/M Control) System (1) 4WD / Bi-speed Switch (12 V, 7 W) (4) Relay (Bi-speed) (7) Diode (DT) (A) Key / IG (a) Fuse (T/M Control) (c) To Meter Panel (2) Brake Switch L.H.

  • Page 239: Instrument Panel Board (Meter Panel) (Except Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (5) Instrument Panel Board (Meter Panel) (Except ITA Model) (1) Display Mode Select Switch (9) Charge Indicator (17) Trailer Indicator (25) Fuel Sensor (A) Key / Light (g) To Light Switch (High Beam) (2) PTO/Hour...

  • Page 240: Instrument Panel Board (Meter Panel) (Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (6) Instrument Panel Board (Meter Panel) (ITA Model) (1) Display Mode Select Switch (10) PTO Indicator (18) 4WD Indicator (26) Engine Coolant Temperature Sensor (A) Key / Light (g) To Light Switch (High Beam) (2) PTO/Hour...

  • Page 241: Cabin Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [2] CABIN MODEL (1) Starting System and Charging (Except ITA Model) (1) Slow Blow Fuse Box 2, 3 (10) Battery (19) PTO Switch (A) Head Light (d) Fuse (Air Conditioner (Control)) (n) To Meter Panel...

  • Page 242: Starting System And Charging (Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) Starting System and Charging (ITA Model) (1) Slow Blow Fuse Box 2, 3 (10) Battery (19) PTO Switch (A) Head Light (d) Fuse (Air Conditioner (Control)) (n) To Meter Panel (2) Blower (11) Alternator...

  • Page 243: Lighting System

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (3) Lighting System (1) Hazard Switch (14 V, 1.4 W) (7) Brake Switch L.H. (13) Door Switch L.H. (19) Rear Combination Lamp L.H. (a) Fuse (Flasher / Hazard) To Meter Panel (2) Combination Light Switch (8) Flasher Unit (14) Door Switch R.H.

  • Page 244: 4Wd / Bi-Speed Turn (T/M Control) System

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (4) 4WD / Bi-speed Turn (T/M Control) System (1) 4WD / Bi-speed Switch (12 V, 7 W) (4) Relay (Bi-speed) (6) Bi-speed Valve (Solenoid) (8) Diode (Bi-speed) (A) Key / IG (a) Fuse (T/M Control) (2) Brake Switch L.H.

  • Page 245: Instrument Panel Board (Meter Panel) (Except Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (5) Instrument Panel Board (Meter Panel) (Except ITA Model) (1) Display Mode Select Switch (10) PTO Indicator (19) Bi-speed Turn Indicator (28) Parking Switch (A) Key / Light (h) To Flasher Unit (Output L) (2) PTO/Hour...

  • Page 246: Instrument Panel Board (Meter Panel) (Ita Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (6) Instrument Panel Board (Meter Panel) (ITA Model) (1) Display Mode Select Switch (10) PTO Indicator (19) Bi-speed Turn Indicator (28) Parking Switch (A) Key / Light (h) To Flasher Unit (Output L) (2) PTO/Hour...

  • Page 247: Working Light And Radio

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (7) Working Light and Radio (1) Working Light Relay (8) Front Side Working Lamp L.H. (12 V, 21 W) (14) Antenna (20) Defogger Relay (Rear Window) (A) Light/DEF (a) Fuse (Work Light Front) (2) Beacon Switch (14 V, 1.12 W) (9) Front Side Working Lamp R.H.

  • Page 248: Air Conditioner

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (8) Air Conditioner (1) Servomotor Temperature Control (5) Mode Select Switch (9) Thermostat (13) Magnetic Clutch Compressor (17) Switch Blower Motor (A/C Control Panel) (a) To Light Switch (2) llumination Lamp (14 V, 1.96 W)

  • Page 249: Wiper System

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (9) Wiper System (1) Front Wiper Motor (3) Washer Motor (4) Rear Wiper Motor (Option) (5) Rear Wiper Switch (Option) (A) Key ACC (a) Fuse (Wiper) (2) Front Wiper Switch (14 V, 0.9 W) (b) To Position Lamp...

  • Page 250: Instrument Panel

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 3. INSTRUMENT PANEL [1] INDICATION ITEMS OF METER PANEL (1) Hazard / Turn Signal Indicator (2) High Beam Indicator (3) Trailer Indicator (4) PTO Clutch Indicator (5) Liquid Crystal Display (6) Electrical Charge Indicator (7) Engine Oil Pressure...

  • Page 251: Opc (M9540Narrow Cabin Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 4. OPC (M9540NARROW CABIN MODEL) [1] SYSTEM OUTLINE AND ELECTRICAL CIRCUIT (1) Meter Panel (2) CPU (3) Seat Switch (4) PTO Switch (5) Buzzer (6) Transistor (A) Key Switch (B) Alternator M9540Narrow Cabin tractors equip operator presence control (OPC) system which automatically whistling when operator stands from the seat while engaging PTO clutch.
  • Page 252 SERVICING CONTENTS 1. TROUBLESHOOTING......................N9-S1 2. SERVICING SPECIFICATIONS ....................N9-S2 3. CHECKING AND ADJUSTING....................N9-S3 [1] FUSE ..........................N9-S3 (1) ROPS Model......................... N9-S3 (2) CABIN Model........................ N9-S4 [2] METER PANEL ........................N9-S5 (1) Setting Mode (Entering Travel Speed Coefficient) ............N9-S5 (2) Checking Meter Panel, PTO/Hour Meter Select Switch and Travelling Speed Select Switch ........................

  • Page 253: Turning Angle Inspection Switch

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 1. TROUBLESHOOTING 4WD / BI-SPEED TURN Reference Symptom Probable Cause Solution Page Front Wheel Can Not 4WD / Bi-speed turn switch or wiring harness is Replace N9-S12 Drive Bi-speed Turn defective Turning angle inspection switch or wiring harness...

  • Page 254: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 2. SERVICING SPECIFICATIONS 4WD / BI-SPEED TURN SOLENOID VALVE Item Factory Specification Allowable Limit 4WD Solenoid Valve Resistance 10 to 12 Ω – Bi-speed Turn Solenoid Valve Resistance 10 to 12 Ω – 9Y1210236ELS0002US0 N9-S2...

  • Page 255: Checking And Adjusting

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM 3. CHECKING AND ADJUSTING CAUTION • To avoid accidental short circuit, be sure to attach the positive cable to the positive terminal before the negative cable is attached to the negative terminal. • Never remove the battery cap while the engine is running.

  • Page 256: Cabin Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) CABIN Model Fuse (CABIN Model) 1. When inspect the circuit line, check the related fuses. 2. If any of the fuse is blown, replace with a new one of the same capacity. IMPORTANT • If a fuse is blown, check the cause and be sure to replace it with a new one of the same capacity.

  • Page 257: Meter Panel

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [2] METER PANEL (1) Setting Mode (Entering Travel Speed Coefficient) CAUTION • To perform the meter panel, the operator must be seated on the tractor. LCD Monitor Indication The following settings and checking can be done by using the LCD monitor (1), PTO/Hour meter select switch (3) and traveling speed select switch (2).
  • Page 258 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM PTO Speed Display Mode Switching (Setting Mode) 1. While pressing the PTO/Hour meter select switch (1), turn the key switch to "ON" position. The current numerical code starts flashing. 2. Each time the PTO/Hour meter select switch (1) is pressed, the code changes in the order of [1] →...
  • Page 259 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM Entering Traveling Speed Coefficient [Example: Entering 179.0 inch] 1. While pressing the traveling speed select switch (2), turn the key switch to "ON" position. The setting of the current tire's circumference is displayed in inches (a) or millimeters (b). The highest-digit numeral starts flashing.
  • Page 260 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM Model Select (Setting Mode) 1. While pressing the PTO/Hour meter select switch (1) and traveling speed select switch (2), turn the key switch to "ON" position. The current numerical code starts flashing. 2. Each time the traveling speed select switch (2) is pressed, the code changes in order of [1] →...

  • Page 261: Checking Meter Panel, Pto/Hour Meter Select Switch And Travelling Speed Select Switch

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) Checking Meter Panel, PTO/Hour Meter Select Switch and Travelling Speed Select Switch CAUTION • For checking of electric circuit, use the circuit tester. • As for the checking of sensors and switches, do the following order; check the battery, fuse and grounding line first, check by the test function of meter panel next, and check the connectors of panel or related electronic switch or sensor.
  • Page 262 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM Connector (40P) of Wire Harness Side Color Terminal Terminal Name Measuring across T40 (Ground) Condition wiring Heater relay Battery voltage Main switch at ON Main switch at ON and 4WD switch G/Or 4WD/Bi-speed relay Battery voltage...
  • Page 263 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM Color Terminal Terminal Name Measuring across T40 (Ground) Condition wiring Traveling speed sensor Battery voltage Main switch at ON Engine tachometer sensor Battery voltage Main switch at ON Main switch (ON position) Battery voltage Main switch at ON...

  • Page 264: Switches

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [3] SWITCHES (1) 4WD / Bi-speed Turn System 4WD / Bi-speed Turn Switch 1. Turn the main switch off. 2. Remove the 4WD / bi-speed turn switch (1). (1) 4WD / Bi-speed Turn Switch [A] ROPS Model...
  • Page 265 M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM Turning Angle Inspection Switch 1. Remove the switch cover (3) from the left side front case support (4). 2. Disconnect the turning angle inspection switch connector (2) after turning the main switch off. 3. Perform the following checking 1) and 2).

  • Page 266: Parking Brake Switch

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) Parking Brake Switch Parking Brake Switch 1) Connector Voltage 1. Remove the connector. 2. Turn the main switch ON position. 3. Measure the voltage across the terminal and chassis. 4. If the voltage differs from battery voltage, the wiring harness, fuse, or main switch is faulty.

  • Page 267: Relays

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [4] RELAYS (1) Starter Relay and Heater Relay Checking Connector Voltage 1. Measure the voltage with a voltmeter across the battery terminal and chassis as table below. 2. If the voltage differs from the battery voltage, the wiring harness or fuse is faulty.

  • Page 268: Rops Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (2) ROPS Model Checking Connector Voltage 1. Measure the voltage with a voltmeter across the battery terminal and chassis as table below. 2. If the voltage differs from the battery voltage, the wiring harness or fuse is faulty.

  • Page 269: Cabin Model

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM (3) CABIN Model Checking Connector Voltage 1. Measure the voltage with a voltmeter across the battery terminal and chassis as table below. 2. If the voltage differs from the battery voltage, the wiring harness or fuse is faulty.

  • Page 270: Solenoid Valve

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [5] SOLENOID VALVE Solenoid Valves 1) Connector Voltage 1. Remove the connector (2). 2. Set the 4WD/Bi-speed turn switch to bi-speed position. 3. Measure the voltage across the terminal 4 and chassis. 4. If the voltage differs from battery voltage, the wiring harness, fuse or main switch is faulty.

  • Page 271: Opc System (M9540Narrow Cabin Model)

    M8540Narrow, M9540Narrow, WSM ELECTRICAL SYSTEM [6] OPC SYSTEM (M9540NARROW CABIN MODEL) Checking OPC System WARNING • Disconnect the implement drive universal joint from the PTO shaft, if the implement has mounted. 1. Sit on the seat. 2. Run the engine.
  • Page 272 CABIN KiSC issued 07, 2013 A...
  • Page 273 MECHANISM CONTENTS 1. AIR CONDITIONER SYSTEM....................N10-M1 [1] OUTLINE OF AIR CONDITIONING SYSTEM..............N10-M1 [2] SYSTEM CONTROL ......................N10-M2 [3] ELECTRICAL SYSTEM....................N10-M3 (1) Electrical Circuit......................N10-M3 (2) Air Conditioner Relay and Blower Relays..............N10-M4 KiSC issued 07, 2013 A...

  • Page 274: Air Conditioner System

    M8540Narrow, M9540Narrow, WSM CABIN 1. AIR CONDITIONER SYSTEM [1] OUTLINE OF AIR CONDITIONING SYSTEM (1) Heater Hose (Out Side) (5) Outside Air Filter (9) Front Air Outlet (13) Condenser (2) Heater Hose (In Side) (6) Inner Roof (10) High Pressure Pipe...

  • Page 275: System Control

    M8540Narrow, M9540Narrow, WSM CABIN [2] SYSTEM CONTROL (1) Temperature Control Dial (7) Recirculated Air (12) Air Outlet Door D3 (A) Control Plate (2) Mode Switch (8) Blower (Mode Door) (B) Air Selection Lever (3) Blow Switch (9) Evaporator (13) DEFOGGER...

  • Page 276: Electrical System

    M8540Narrow, M9540Narrow, WSM CABIN [3] ELECTRICAL SYSTEM (1) Electrical Circuit (1) Battery (5) Blower Motor (9) Compressor (12) Mode Motor (2) Slow Blow Fuse (6) Blower Resistor (10) Pressure Switch (13) Temperature Motor (3) Main Switch (7) Blower Switch (11) Thermostat...

  • Page 277: Air Conditioner Relay And Blower Relays

    M8540Narrow, M9540Narrow, WSM CABIN (2) Air Conditioner Relay and Blower Relays Remove the outer roof and the relays are visible at the ceiling rear of the cabin: blower relay (1) and compressor relay (2). When the blower fan is adjusted for the air flow rate, the blower relay (1) is activated by a signal from the fan switch on the control panel (14).
  • Page 278 SERVICING CONTENTS 1. SERVICING SPECIFICATIONS ..................... N10-S1 2. TIGHTENING TORQUES....................... N10-S2 3. CHECKING, DISASSEMBLING AND SERVICING ..............N10-S3 [1] CHECKING AND ADJUSTING..................N10-S3 (1) Control Panel (Blower Switch, A/C Switch, Mode Control Dial and Temperature Control Dial)........................ N10-S3 (2) Blower Resistor ......................N10-S5 (3) Blower Motor ......................

  • Page 279: Servicing Specifications

    M8540Narrow, M9540Narrow, WSM CABIN 1. SERVICING SPECIFICATIONS Item Factory Specification Allowable Limit Refrigerating Cycle Pressure 0.15 to 0.20 MPa – (Refrigerating Cycle is Normal Operating) (LO Pressure Side) 1.5 to 2.0 kgf/cm 21 to 28 psi Pressure 1.27 to 1.66 MPa –...

  • Page 280: Tightening Torques

    M8540Narrow, M9540Narrow, WSM CABIN 2. TIGHTENING TORQUES Tightening torques of screws, bolts and nuts on the table below are especially specified. (For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG. GENERAL" section.) Item N·m kgf·m lbf·ft...

  • Page 281: Checking, Disassembling And Servicing

    M8540Narrow, M9540Narrow, WSM CABIN 3. CHECKING, DISASSEMBLING AND SERVICING [1] CHECKING AND ADJUSTING (1) Control Panel (Blower Switch, A/C Switch, Mode Control Dial and Temperature Control Dial) Blower Switch Connector Voltage 1. Draw out the control panel (1). 2. Disconnect the 6P connector (2) from blower switch.
  • Page 282 M8540Narrow, M9540Narrow, WSM CABIN Connector Voltage 1. Draw out the control panel (1). 2. Disconnect the 16P connector (2) from control panel switch. 3. Turn the main switch to "ON" position. 4. Measure the voltage with a voltmeter across the terminal o and terminal a.

  • Page 283: Blower Resistor

    M8540Narrow, M9540Narrow, WSM CABIN Temperature Control Dial Checking 1. Turn the temperature control dial counterclockwise till it stops (at "COOL" position). 2. Measure the voltage with a voltmeter across the terminal b and terminal d. Make the following measurement with the terminals connected.

  • Page 284: Blower Motor

    M8540Narrow, M9540Narrow, WSM CABIN (3) Blower Motor Blower Motor Test 1. Turn the blower motor (1) by hand and check whether it turns smoothly. 2. Disconnect the 2P connector (2) of blower motor (1). 3. Connect a jumper lead from battery (3) positive terminal to connector terminal b.

  • Page 285: Mode Motor

    M8540Narrow, M9540Narrow, WSM CABIN (5) Mode Motor Mode Motor Checking 1. Confirm whether the mode switch (2) is defective. (Refer to "(1) Control Panel" in this section.) 2. Turn the main switch to "ON" position. 3. Turn the blower switch (3) at 1 position.

  • Page 286: Pressure Switch

    M8540Narrow, M9540Narrow, WSM CABIN (7) Pressure Switch Pressure Switch 1) HI Pressure Side 1. Connect the manifold gauge (5) to compressor as following procedure. Close the HI and LO pressure valves (3), (4) of manifold gauge tightly, and connect the charging hoses (2), (1) (red and blue) to the respective compressor service valves.

  • Page 287: Front Wiper Switch

    M8540Narrow, M9540Narrow, WSM CABIN (8) Front Wiper Switch Front Wiper Switch 1. Remove the outer roof, and disconnect the front wiper switch connector (1). 2. Perform the following checkings 1) and 2). (1) Front Wiper Switch 9Y1210236CAS0015US0 1) Connector Voltage 1.

  • Page 288: Disassembling And Assembling

    M8540Narrow, M9540Narrow, WSM CABIN [2] DISASSEMBLING AND ASSEMBLING (1) Preparation for Separating Cabin from Tractor Draining the coolant and fuel 1. Refer to "7. CHECKING AND MAINTENANCE" and "4. LUBRICATIONS, FUEL AND COOLANT" at "NG. GENERAL" section. 2. Place the oil pans under the fuel tanks (1).
  • Page 289 M8540Narrow, M9540Narrow, WSM CABIN Bonnet 1. Open the bonnet (1) and remove the battery negative cable (2). 2. Disconnect the head light connector (5). 3. Disconnect the bonnet cylinder (4) and remove the bonnet (1) and side skirts (3) both side.
  • Page 290 M8540Narrow, M9540Narrow, WSM CABIN Removing Compressor and Condenser Without discharging the refrigerant from system 1. Set the disassembling stand under the front axle case. 2. Remove the front wheel L.H.. 3. Remove the A/C drive belt (1). 4. Remove the hose clamps (3).
  • Page 291 M8540Narrow, M9540Narrow, WSM CABIN (Continued) 9. Remove the compressor (10) with hoses and compressor bracket. (When reassembling) • Take care not damage the air condenser fin. • After reassembling the compressor, be sure to adjust the air conditioner belt tension.
  • Page 292 M8540Narrow, M9540Narrow, WSM CABIN Floor Mat and Panel Cover 1. Remove the floor mat (1). 2. Remove the panel cover (2). 3. Disconnect the harness connector (3) and remove the connector (3) from the cabin. (1) Floor Mat (3) Connector...
  • Page 293 M8540Narrow, M9540Narrow, WSM CABIN Removing Control Rods and Brake Hoses 1. Remove the main shift rod (2) and select wire (3). 2. Remove the Hi-Lo rod (1). 3. Remove the position control rod (4) and draft control rod (5). 4. Remove the lowering speed adjusting rod (7).
  • Page 294 M8540Narrow, M9540Narrow, WSM CABIN Fuel Tank (L.H.) 1. Remove the fuel hose (3) and (4) from the fuel tank (5). 2. Remove the fuel tank connecting hose at bottom of the fuel tank (5). 3. Remove the fuel tank (5).

  • Page 295: Dismounting Cabin

    M8540Narrow, M9540Narrow, WSM CABIN (2) Dismounting Cabin Cabin Assembly 1. Remove the outer roof (1). 2. Suspend the cabin with nylon straps (2) and jig (3). 3. Remove the cabin mounting bolts and nuts. 4. Dismount the cabin assembly from the tractor.

  • Page 296: Removing Air Conditioner Unit

    M8540Narrow, M9540Narrow, WSM CABIN (4) Removing Air Conditioner Unit Outer Roof and Stay 1. Remove the outer roof (1). 2. Disconnect the ground cable (2). 3. Remove the stay (3). (When reassembling) 3.5 to 4.0 N·m Outer roof mounting screw 0.36 to 0.40 kgf·m...
  • Page 297 M8540Narrow, M9540Narrow, WSM CABIN Water Cable, Temperature Motor and Mode Motor 1. Disconnect the water cable (1). 2. Remove the motor screws (2). (1) Water Cable 6 mm (0.2 in.) (2) Motor Screw 9Y1210236CAS0035US0 Air Conditioning Unit 1. Remove the unit cover (1).

  • Page 298: Removing Air Conditioner Pipes

    M8540Narrow, M9540Narrow, WSM CABIN (5) Removing Air Conditioner Pipes Discharging Refrigerant Gas Refer to "5. CHECKING AND CHARGING REFRIGERANT CYCLE" at "10. CABIN" section. 9Y1210236CAS0037US0 Battery, Skirt and Bonnet 1. Open the bonnet (1) and disconnect the battery negative cable (2).
  • Page 299 M8540Narrow, M9540Narrow, WSM CABIN High Pressure Hose 2 1. Remove the hose clamp (4). 2. Disconnect the high pressure hose 2 (2) from the receiver (1) and low pressure hose (3) from the compressor, then cap the open fittings immediately to keep moisture out of the system.
  • Page 300 M8540Narrow, M9540Narrow, WSM CABIN Heater Hoses 1. Remove the outer roof. NOTE • Before disconnecting the heater hoses (2), put the parting marks on the hoses for marking proper reconnecting. 2. Disconnect the heater hoses (2) from the hose pipes (1).

  • Page 301: Wiper Motor

    M8540Narrow, M9540Narrow, WSM CABIN (6) Wiper Motor Front Wiper Motor 1. Remove the steering post covers (2) and steering post under cover (1). 2. Disconnect the front wiper motor 4P connector (3). 3. Remove the wiper arm mounting nut (5) and wiper arm (6).

  • Page 302: Servicing

    M8540Narrow, M9540Narrow, WSM CABIN [3] SERVICING Adjustment of Air Gap 1. Refer to the "6. CHECKING, DISASSEMBLING AND SERVICING" at "10. CABIN" section. 9Y1210236CAS0044US0 N10-S24 KiSC issued 07, 2013 A...
  • Page 303 EDITOR : KUBOTA FARM & INDUSTRIAL MACHINERY SERVICE, LTD. 64, ISHIZU-KITAMACHI, SAKAI-KU, SAKAI-CITY, OSAKA, 590-0823, JAPAN PHONE : ( 81 ) 72-241-1129 : ( 81 ) 72-245-2484 E-mail : ksos-pub@kubota.co.jp Printed in Japan 2013. 07, S, EI, EI, engusa Code No.9Y111-02363 2008.

This manual is also suitable for:

M9540narrow

Table of Contents