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wsm L3400, Workshop Manual

The wsm L3400 Workshop Manual is a valuable resource for anyone looking to maintain or repair their L3400 model. This manual provides you with step-by-step instructions and detailed diagrams to help you effectively service your equipment. Download your free copy from manualshive.com today.

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H3-S4

L2800, L3400, WSM

TRANSMISSION  (HST  TYPE)

HYDROSTATIC  TRANSMISSION  (Continued)

W1025090

Symptom

Probable Cause

Solution

Reference 
Page

Loss of Power

Oil level is low

Check oil level or fill 
oil to proper level

G-16

Speed control pedal linkage defective

Repair linkage

H3-S10, 

S11

Charge pressure is too low

Solution order
1. Replace oil filter 
cartridge

G-18

2. Check charge 
pressure

H3-S8

3. Inspect or flush 
charge relief valve

H3-S23

Check and high pressure relief valve does not 
move smoothly

Inspect or replace 
check and high 
pressure relief valve

H3-S7, S20

Neutral valve defective

Inspect or replace 
neutral valve

H3-S20

Component parts defective

Replace hydrostatic 
transmission 
assembly

H-S19, S20

Transmission Oil 
Over Heats

Low transmission oil level

Fill transmission oil 
level up to proper 
level

G-16

Radiator net clogged

Clean radiator net

–

Excessive machine load

Reduce machine 
load

–

Improper charge pressure

1. Check high relief 
pressure

H3-S7

2. Replace 
transmission oil filter 
cartridge

G-18

3. Replace check and 
high pressure relief 
valve

H3-S7, S20

4. Inspect and 
replace charge relief 
valve

H3-S23

Machine Will Not 
Stop in Neutral 
Position

Speed control linkage is out of adjustment or 
sticking

Repair or replace 
linkage

H3-S10, 

S11

Adjust neutral 
adjuster

H3-S10

Neutral valve defective

Inspect or replace 
neutral valve

H3-S20

System Operates in 
One Direction Only

Speed control linkage defective

Repair or replace 
linkage

H3-S10, 

S11

Check and high pressure relief valve defective

Replace check and 
high pressure relief 
valve

H3-S20, 

S28

KiSC issued 08, 2007 A

Tractor Manuals Scotland - Please Do Not Copy

Tractor Manuals Scotland

Summary of Contents for L3400

Page 1: ...L2800 L3400 WORKSHOP MANUAL TRACTOR KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 2: ...Y021 01874 9Y021 18201 for the one which has not been described to this workshop manual Servicing Information on the troubleshooting servicing specification lists tightening torque checking and adjust...

Page 3: ...tself to warn of the possibility of personal injury Read these instructions carefully It is essential that you read the instructions and safety regulations before you attempt to repair or use this uni...

Page 4: ...ety stands Do not touch the rotating or hot parts while the engine is running Never remove the radiator cap while the engine is running or immediately after stopping Otherwise hot water will spout out...

Page 5: ...sure the area is well ventilated Never run the engine in a closed area The exhaust gas contains poisonous carbon monoxide PREVENT ACID BURNS Sulfuric acid in battery electrolyte is poisonous It is str...

Page 6: ...IES Keep a first aid kit and fire extinguisher handy at all times Keep emergency numbers for doctors ambulance service hospital and fire department near your telephone KiSC issued 08 2007 A Tractor Ma...

Page 7: ...cals 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 SAFETY DECALS KiSC issued 08 2007 A Tractor...

Page 8: ...6 L2800 L3400 WSM SAFETY INSTRUCTIONS KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 9: ...7 L2800 L3400 WSM SAFETY INSTRUCTIONS KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 10: ...als 27 5 L 7 3 U S gals Dimensions Overall length without 3P 2810 mm 110 6 in 2705 mm 106 5 in 2810 mm 110 6 in 2705 mm 106 5 in Overall width minimum tread 1305 mm 51 4 in Overall height with ROPS 21...

Page 11: ...5 gal min 23 9 L min 6 3 gal min Pump capacity PS 15 0 L min 4 0 gal min 14 5 L min 3 8 gal min Three point hitch Category 1 Max lift force At lift points 906 kg 1998 lbs 24 in behind lift points 651...

Page 12: ...ine coolant 6 0 L 6 3 U S qts Transmission case 23 5 L 6 2 U S gals 23 5 L 6 2 U S gals Dimensions Overall length with 3P 2705 mm 106 5 in 2705 mm 106 5 in Overall width minimum tread 1305 mm 51 4 in...

Page 13: ...gal min Pump capacity PS 15 0 L min 4 0 gal min 14 5 L min 3 8 gal min Three point hitch Category 1 Max lift force At lift points 906 kg 1998 lbs 24 in behind lift points 651 kg 1435 lbs System press...

Page 14: ...12 L2800 L3400 WSM DIMENSIONS DIMENSIONS KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 15: ...13 L2800 L3400 WSM DIMENSIONS KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 16: ...G GENERAL KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 17: ...25 5 CHECK POINTS OF EVERY 200 HOURS G 30 6 CHECK POINTS OF EVERY 400 HOURS G 32 7 CHECK POINTS OF EVERY 600 HOURS G 33 8 CHECK POINTS OF EVERY 800 HOURS G 33 9 CHECK POINTS OF EVERY 1500 HOURS G 33...

Page 18: ...l KUBOTA distributor always specify engine serial number tractor serial number and hour meter reading W1010606 1 Tractor Identification Plate 2 Tractor Serial Number 3 Engine Serial Number KiSC issued...

Page 19: ...s replacement to maintain machine performance and to assure safety Gaskets and O rings must be replaced during reassembly Apply grease to new O rings or oil seals before assembling See the figure left...

Page 20: ...not attempt to modify or remodel any electrical parts and wiring When removing the battery cables disconnect the negative cable first When installing the battery cables connect the positive cable firs...

Page 21: ...alling a part take care not to get wiring caught by it W1011670 After installing wiring check protection of terminals and clamped condition of wiring only connect battery W1011735 1 Clamp Wind Clamp S...

Page 22: ...inated wash it off with water immediately Before recharging the battery remove it from the machine Before recharging remove cell caps Do recharging in a well ventilated place where there is no open fl...

Page 23: ...G GENERAL In separating connectors do not pull wire harnesses Hold connector bodies to separate W1012272 A Correct B Incorrect KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tracto...

Page 24: ...10W 40 Above 25 C 77 F SAE30 10W 30 or 10W 40 4 Transmission case 2WD 27 L 7 1 U S gals 5 9 Imp gals KUBOTA UDT or SUPER UDT fluid Transmission case 4WD 27 5 L 7 3 U S gals 6 1 Imp gals Transmission c...

Page 25: ...been developed for use of a low sulfur fuel on on road vehicle engines When an off road vehicle engine runs on a high sulfur fuel it is advisable to employ the CF CD or CE lubricating oil with a high...

Page 26: ...4 to 20 2 17 7 to 20 5 1 8 to 2 1 13 1 to 15 1 29 5 to 34 3 3 0 to 3 5 21 7 to 25 3 M10 10 mm 0 39 in 39 3 to 45 1 4 0 to 4 6 29 0 to 33 2 31 4 to 34 3 3 2 to 3 5 23 2 to 25 3 48 1 to 55 8 4 9 to 5 7...

Page 27: ...every 50 Hr G 22 23 10 Wheel bolt torque Check every 50 Hr G 24 11 Battery condition Check every 100 Hr G 28 5 12 Air cleaner element Clean every 100 Hr G 25 1 Replace every 1 year G 25 2 13 Fuel fil...

Page 28: ...every 400 Hr G 32 24 Engine valve clearance Adjust every 800 Hr 1 S12 4 25 Fuel injection nozzle injetion pressure Check every 1500 Hr 1 S18 4 26 Injection pump Check every 3000 Hr 1 S17 4 27 Cooling...

Page 29: ...5 When the battery is used for less than 100 hours per year check the battery condition by reading the indication annually The items listed above marked are registered as emission related critical pa...

Page 30: ...t and ROPS attaching hardware 7 Check and clean the radiator screen and grill 8 Check the nuts of tires are tight 9 Care of danger warning and caution labels 10 Clean around the exhaust manifold and t...

Page 31: ...changing oil filter cartridge 1 Allow engine to cool down sufficiently oil can be hot and can burn 1 Remove the engine oil filter cartridge 1 2 Put a film of clean engine oil on rubber seal of new fi...

Page 32: ...el again if low add fluid prescribed level A IMPORTANT Use only multi grade transmission fluid Use of other fluids may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT...

Page 33: ...nd check the fluid level again if low add fluid prescribed level A IMPORTANT Use only multi grade transmission fluid Use of other fluids may damage the transmission or hydraulic system Refer to LUBRIC...

Page 34: ...Install the new filter cartridge 8 Quickly tighten the filter until it contacts the mounting surface then tighten it by hand an additional 1 2 turn only 9 After the new filter have been replaced fill...

Page 35: ...7 Install the new filter cartridge 8 Quickly tighten the filter until it contacts the mounting surface then tighten it by hand an additional 1 2 turn only 9 After the new filter have been replaced fi...

Page 36: ...CANTS FUEL AND COOLANT See page G 7 W1030064 Adjusting Clutch Pedal Free Travel L2800 1 Stop the engine and remove the key 2 Slightly depress the clutch pedal and measure free travel at top of pedal s...

Page 37: ...o 0 059 in clearance 4 Tighten the lock nut 1 holding the adjusting bolt 2 5 Turn the flywheel to adjust the clearance of other adjusting bolts three bolts 6 Repeat step 3 and readjust clutch pedal fr...

Page 38: ...rease fittings more often When apply a grease to the front axle support remove the breather plug and apply a grease until grease overflows from breather plug After greasing reinstall the plug W1030865...

Page 39: ...PTO gear shift lever 5 Turn the key to START position 6 The engine must not crank Test Switch for the PTO gear shift lever 1 Sit on the operator s seat 2 Engage the PTO gear shift lever 3 Depress the...

Page 40: ...ever 3 Depress the clutch pedal fully 4 Place the speed control pedal in NEUTRAL position 5 Turn the key to START position 6 The engine must not crank Test Switch for the clutch pedal 1 Sit on the ope...

Page 41: ...m tight 1 Check the wheel mounting screws and nuts regularly especially when new If there are loosened tighten as follows W1030999 Tightening torque Front wheel mounting screw and nut or lug nut 137 N...

Page 42: ...to the instructions on the label attached to the case 3 Replace the air cleaner element 1 if Once a yearly or after every sixth times of cleaning whichever comes first NOTE Check to see if the evacuat...

Page 43: ...l W1017467 Adjusting Fan Belt Tension CAUTION Be sure to stop the engine before checking fan belt tension 1 Stop the engine and remove the key 2 Apply moderate thumb pressure to belt between pulleys 3...

Page 44: ...See page G 38 W1051696 Adjusting Clutch Pedal Free Travel 1 See page G 19 20 W1032922 Adjusting Brake Pedal Free Travel 1 Stop the engine and remove the key then release the parking brake 2 Slightly d...

Page 45: ...pe If the indicator turns white do not charge the battery but replace it with new one 1 Mishandling the battery shortens the service life and adds to maintenance costs 2 The original battery is mainte...

Page 46: ...encies It will partially charge the battery at a high rate and in a short time When using a boost charged battery it is necessary to recharge the battery as early as possible Failure to do this will s...

Page 47: ...2 years or earlier if checked and found that hoses are swollen hardened or cracked Precaution at Overheating Take the following actions in the event the coolant temperature be nearly or more than the...

Page 48: ...lace or repair them at once W1034635 Checking Intake Air Line 1 Check to see that hoses and hose clamps are tight and not damaged 2 If hoses and clamps are found worn or damaged replace or repair them...

Page 49: ...osen the lock nut 1 and turn the turnbuckle 2 to adjust the tie rod length until the proper toe in measurement is obtained 2 Retighten the tie rod lock nut 1 IMPORTANT A right and left tie rod joint i...

Page 50: ...056178 8 CHECK POINTS OF EVERY 800 HOURS Checking Valve Clearance 1 See page 1 S12 W1018974 9 CHECK POINTS OF EVERY 1500 HOURS Checking Fuel Injection Nozzle Injection Pressure 1 See page 1 S18 W10368...

Page 51: ...less than 50 Securely tighten radiator cap 1 If the cap is loose or improperly fitted water may lead out and the engine could overheat Anti Freeze If coolant freezes the cylinders and radiator can be...

Page 52: ...add anti freeze and water in the specified mixing ratio Anti freeze absorbs moisture Keep unused anti freeze in a tightly sealed container Do not use radiator cleaning agents when anti freeze has been...

Page 53: ...ratio must be less than 50 Securely tighten radiator cap 1 If the cap is loose or improperly fitted water may lead out and the engine could overheat Anti Freeze If coolant freezes the cylinders and r...

Page 54: ...sludge which will affect the engine parts W1045113 Replacing Fuel Hose 1 Replace the fuel hoses and clamps Refer to Checking Fuel Line See page G 27 W1056937 Replacing Radiator Hose Water Pipes 1 Repl...

Page 55: ...conds IMPORTANT Always close the air vent cock 1 except for bleeding fuel lines Otherwise engine runs irregularly or stalls frequently W1039026 Draining Clutch Housing Water NOTE The tractor is equipp...

Page 56: ...this manual If any of them should blow replace with a new one of the same capacity W1039315 Replacing Light Bulb 1 Head lights and rear combination lights Take the bulb out of the light body and repla...

Page 57: ...pplication Use exclusively for removing or installing the piston ring with ease W10241500 Diesel Engine Compression Tester for Injection Nozzle Code No 07909 30208 Assembly 07909 31251 G 07909 30934 A...

Page 58: ...stem Remarks Adaptor 1 BANZAI Code No RCT 2A 30S W10519660 Connecting Rod Alignment Tool Code No 07909 31661 Application Use to check the connecting rod alignment Applicable Connecting rod big end I D...

Page 59: ...to 0 152 mm 0 002 to 0 006 in Blue 0 102 to 0 229 mm 0 004 to 0 009 in W10247190 Red Check Code No 07909 31371 Application Use to check cracks on cylinder head cylinder block etc W10249090 Crankshaft...

Page 60: ...Replacing Tool Application Use to press out and press fit the valve guide W10250170 A 20 mm dia 0 79 in dia B 11 7 to 11 9 mm dia 0 460 to 0 468 in dia C 6 5 to 6 6 mm dia 0 256 to 0 259 in dia D 225...

Page 61: ...0 20 in H 17 mm dia 0 67 in dia I 8 mm dia 0 31 in dia J 1 0 mm 0 039 in K 17 mm dia 0 67 in dia L 6 10 to 6 20 mm dia 0 2402 to 0 2441 in dia M 8 mm 0 31 in N 4 mm 0 16 in O 11 97 to 11 99 mm dia 0...

Page 62: ...in D 35 mm dia 1 38 in dia E 27 90 to 27 95 mm dia 1 098 to 1 100 in dia F 25 00 to 25 01 mm dia 0 984 to 0 985 in dia A 175 mm 6 89 in B 40 mm 1 57 in C 38 mm 1 49 in D 45 mm dia 1 77 in dia E 41 90...

Page 63: ...the steering wheel without damaging the steering shaft W10265330 A 135 mm 5 31 in B 72 mm 2 83 in C R40 mm R1 57 in D 10 mm 0 39 in E 20 mm 0 79 in F 20 mm dia 0 79 in dia G 56 8 to 56 9 mm dia 2 236...

Page 64: ...easy measurement of toe in for all machine models W10266890 Rear Axle Cover Puller Code No 07916 51041 Application Use for removing a rear axle cover from rear axle W1073259 Relief Valve Pressure Test...

Page 65: ...system W10313960 Power Steering Adaptor Code No 07916 54021 Application Use for measuring the relief valve setting pressure for power steering W10442870 1 Flow Meter 2 Hydraulic Test Hose 1 Adaptor 52...

Page 66: ...4 Vacuum Gauge 07916 51331 5 Pressure Gauge Low Pressure 07916 51301 6 Pressure Gauge High Pressure in Relief Valve Set Pressure Tester 07916 50321 7 HN Tube in Relief Valve Set Pressure Tester 07916...

Page 67: ...039 in F 10 mm dia 0 394 in dia S 17 mm 0 669 in f 6 5 mm 0 256 in G 9 1 to 9 3 mm dia 0 359 to 0 366 in dia T 10 mm 0 393 in g Chamfer 0 5 mm 0 020 in H 34 mm dia 1 336 in dia U 50 mm dia 1 969 in di...

Page 68: ...61 A 22 mm 0 872 in H 10 mm dia 0 39 in dia O 61 5 mm 2 42 in B 11 mm 0 437 in I G 3 8 P 24 mm 0 94 in C 24 mm dia 0 94 in dia J 89 mm 3 50 in Q 27 7 mm 1 09 in D 18 mm dia 0 71 in dia K 135 mm 5 31 i...

Page 69: ...Code No 07916 52531 Application Use for removing and installing a rear axle nut W10655900 Relief Valve Setting Pressure Adaptor G Code No 07916 52751 Application This offers easy measurement of relie...

Page 70: ...10 mm 0 39 in H 35 6 mm 1 40 in I 36 mm 1 42 in J 41 6 mm 1 64 in K Part code No 3A201 4130 nut L M27 P1 5 M M10 P1 25 Right Left A 54 7 to 54 9 mm 2 1535 to 2 1614 in 49 7 to 49 9 mm 1 9567 to 1 964...

Page 71: ...control W10642280 A 1045 mm 41 14 in B 1000 mm 29 37 in C 20 mm dia 0 79 in dia D 30 mm dia 1 18 in dia E 90 mm 3 54 in F 30 mm 1 18 in G 30 mm 1 18 in H 15 mm 0 59 in I 20 mm dia 0 79 in dia J Weld...

Page 72: ...ttempting to seat a bead If beads have not been seated by the time the pressure reached 241 kPa 2 5 kgf cm2 35 psi deflate the assembly reposition the tire on the rim relubricate and reinflate After s...

Page 73: ...r any machine elements for servicing or adjustment securely support them with stands or suitable blocking beforehand Never operate tractor with a loose rim wheel or axle 1 Front Wheel Front Wheels wit...

Page 74: ...strated transmission parts may be damaged When re fitting or adjusting a wheel tighten the bolts to the specified torques then recheck after driving the tractor 200 m 200 yards and thereafter accordin...

Page 75: ...ion of Calcium Chloride Solution CAUTION When making a calcium chloride solution do not pour water over calcium chloride since this results in chemical reaction which will cause high temperature Inste...

Page 76: ...ear tires off the ground 2 Turn the tire so that the air valve is at the top 3 Remove the air valve and attach the injector Code No 07916 52501 W10333310 1 Injector 2 Hose KiSC issued 08 2007 A Tracto...

Page 77: ...e to the specified pressure Weight of Calcium Chloride Solution Filling 75 of Full Capacity of a Tire W10334350 Tire sizes 11 2 24 15 19 5 Slush free at 10 C 14 F Solid at 30 C 22 F Approx 1 kg 2 lbs...

Page 78: ...liquid liquid can only be drained to the level of the valve and liquid under that level remains inside 4 To drain liquid completely use the injector and direct compressed air into the tire to force ou...

Page 79: ...ed by the warranty NOTE Implement size may vary depending on soil operating conditions Tread max width Lower link end max loading weight W0 Front Rear 2WD 4WD L2800 1050 mm 41 3 in 1095 mm 43 1 in 129...

Page 80: ...in Max Weight 350 kg 770 lbs 8 Broad Caster Max Tank capacity 200 L 53 U S gals 44 Imp gals Max Weight 100 kg 220 lbs 9 Manure Spreader Max Capacity 1000 kg 2200 lbs 10 Cultivator Max Width 1524 mm 6...

Page 81: ...1 ENGINE KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 82: ...CONTENTS MECHANISM 1 FEATURES 1 M1 2 FUEL SYSTEM 1 M2 3 LUBRICATING SYSTEM 1 M3 4 COOLING SYSTEM 1 M4 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 83: ...rated KUBOTA s foremost technologies With KUBOTA s E TVCS Three Vortex Combustion System well known Bosch type injection pump and the well balanced designs they give greater power low fuel consumption...

Page 84: ...ough the fuel filter 7 The fuel camshaft actuates the injection pump and force feeds fuel to the injection nozzle 2 through the injection pipe 3 Fuel is then sprayed through the nozzle into the combus...

Page 85: ...re it is further filtered Then the oil is forced to crankshaft 7 connecting rods 16 idle gear 6 governor shaft 5 camshaft 14 and rocker arm shaft 3 to lubricate each part through the oil gallery 1 Roc...

Page 86: ...the cylinder block The thermostat opens or closes according to the water temperature When the water temperature is high the thermostat opens to allow the water to flow from the cylinder head to the r...

Page 87: ...Separating Engine and Clutch Housing 1 S19 2 Separating Engine from Front Axle Frame 1 S24 3 DISASSEMBLING AND ASSEMBLING 1 S25 1 Cylinder Head and Valves 1 S25 2 Timing Gears Camshaft and Fuel Camsh...

Page 88: ...sion leak from cylinder Replace head gasket tighten cylinder head screw glow plug and nozzle holder 1 S11 Improper valve timing Correct or replace timing gear 1 S32 Piston ring and cylinder worn Repla...

Page 89: ...epair or replace nozzle 1 S18 S40 Deficient Output Incorrect injection timing Adjust 1 S17 Engine s moving parts seem to be seizing Repair or replace Uneven fuel injection Replace injection pump 1 S29...

Page 90: ...e 1 S54 Excessive oil clearance of rocker arm Replace 1 S27 Oil passage clogged Clean Different type of oil Use specified type of oil G 7 Oil pump defective Repair or replace 1 S33 S61 High Oil Pressu...

Page 91: ...0 0217 to 0 0276 in Valve Clearance When Cold 0 18 to 0 22 mm 0 0071 to 0 0087 in Valve Seat Width Intake Width Exhaust 2 12 mm 0 0835 in 2 12 mm 0 0835 in Valve Seat Angle Intake Angle Exhaust 1 047...

Page 92: ...1 6417 to 1 6614 in 117 6 N 35 0 mm 12 0 kgf 35 0 mm 26 4 lbs 1 3780 in 41 2 mm 1 6220 in 100 0 N 35 0 mm 10 2 kgf 35 0 mm 22 5 lbs 1 3780 in 1 0 mm 0 039 in Rocker Arm Shaft to Rocker Arm Rocker Arm...

Page 93: ...n Camshaft Side Clearance 0 07 to 0 22 mm 0 0028 to 0 0087 in 0 3 mm 0 0118 in Camshaft Alignment 0 01 mm 0 0004 in Cam Height Intake Exhaust 33 90 mm 1 3346 in 33 85 mm 1 3327 in Camshaft Journal to...

Page 94: ...rance O D I D 0 040 to 0 118 mm 0 00157 to 0 00465 in 51 921 to 51 940 mm 2 04413 to 2 04488 in 51 980 to 52 039 mm 2 04645 to 2 04878 in 0 2 mm 0 0079 in Crankshaft Journal to Crankshaft Bearing 2 Cr...

Page 95: ...n 0 15 mm 0 0059 in Engine Oil Pressure At Idle Speed At Rated Speed More than 98 kPa 1 0 kgf cm2 14 psi 294 to 441 kPa 3 0 to 4 5 kgf cm2 43 to 64 psi 49 kPa 0 5 kgf cm2 7 psi 245 kPa 2 5 kgf cm2 36...

Page 96: ...No leak at 137 kPa 1 4 kgf cm2 20 psi Radiator Cap Pressure Falling Time More than 10 seconds for pressure falling from 88 to 59 kPa from 0 9 to 0 6 kgf cm2 from 13 to 9 psi Injection Pump Injection T...

Page 97: ...02 9 to 117 6 10 5 to 12 5 76 0 to 86 8 Clutch mounting screw and reamer screw M8 1 25 23 5 to 27 5 2 4 to 2 8 17 4 to 20 3 Cylinder head bolt M11 1 25 93 1 to 98 0 9 5 to 10 0 68 7 to 72 3 Cylinder h...

Page 98: ...e measurement is below the allowable limit apply a small amount of oil to the cylinder wall through the nozzle hole and measure the compression pressure again 9 If the compression pressure is still le...

Page 99: ...counterclockwise to see if the piston is at the compression top dead center or the overlap position Now referring to the table below readjust the valve clearance The piston is at the compression top d...

Page 100: ...der head and measure the thickness of the fuses 6 If the measurement is not within the factory specifications check the oil clearance between the crankpin and bearing and between the piston pin and bu...

Page 101: ...e specified torque W1034952 5 Fan Belt Fan Belt Tension 1 Measure the deflection A depressing the belt halfway between the fan drive pulley and alternator pulley at specified force 98 N 10 kgf 22 lbs...

Page 102: ...th its end inserted between the valve and seat 2 Heating the water gradually read the temperature when the valve opens and leaves the string 3 Continue heating and read the temperature when the valve...

Page 103: ...cap W1054156 Radiator Water Leakage 1 Pour a specified amount of water into the radiator 2 Set a radiator tester Code No 07909 31551 with an adaptor BANZAI Code No RCT 2A 30S and raise the water pres...

Page 104: ...pecified injection timing add or remove the shim to adjust Injection Timing NOTE The sealant is applied to both sides of the soft metal gasket shim The liquid gasket is not required for assembling Shi...

Page 105: ...injection nozzle assembly W1037197 Nozzle Spraying Condition 1 Set the injection nozzle to a nozzle tester and check the nozzle spraying condition 2 If the spraying condition is defective replace the...

Page 106: ...CAUTION Never remove the radiator cap until coolant temperature is well below its boiling point Then loosen cap slightly to the stop to relieve any excess pressure before removing cap completely 1 Sto...

Page 107: ...ystem Refer to LUBRICANTS FUEL AND COOLANT See page G 7 Never work the tractor immediately after changing the transmission fluid Keeping the engine at medium speed for a few minutes to prevent damage...

Page 108: ...the universal joint and flywheel housing Then fit the support 6 in position W1045309 Wirings 1 Disconnect the wiring 1 for the alternator 2 Disconnect the wiring 4 for starter motor 3 Disconnect the...

Page 109: ...haft cover 1 5 to the front and the cover 2 6 to the rear 3 Tap out the spring pins 1 and then slide the coupling 2 to the front and coupling 8 to the rear When reassembling Apply grease to the spline...

Page 110: ...eassembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 1901 or equivalent to the splines of clutch disc boss Insert the pressure plate no...

Page 111: ...in at the engine hook 1 2 Remove the front axle frame mounting screw 3 Separate the engine from the front axle frame 2 When reassembling Lift the front of the front axle frame by the gap in the bolt h...

Page 112: ...nder head cover gasket is not defective W1018946 Injection Pipes 1 Loosen the screws on the pipe clamps 1 2 Detach the injection pipes 2 3 Remove the inlet manifold 3 When reassembling Blow out dust i...

Page 113: ...y 3 While turning the screw driver slowly pull the heat seal 4 out together with the injection nozzle gasket 3 4 If the heat seal drops repeat the above procedure When reassembling Heat seal and injec...

Page 114: ...cylinder head gasket When reassembling Replace the cylinder head gasket with a new one Tighten the cylinder head screws after applying sufficient oil Tighten the cylinder head screws in diagonal seque...

Page 115: ...4 valve spring 5 and valve stem seal 6 4 Remove the valve 7 When reassembling Wash the valve stem and valve guide hole and apply engine oil sufficiently After installing the valve spring collets light...

Page 116: ...ne Before fitting the stop lever to the gear case install the solenoid guide first into position Then attach the stop lever and use it to see if it functions well Before fitting the idling limiter in...

Page 117: ...governor spring 2 Keep this spring slightly extended and place the speed control plate 6 in its specified position Using the specific tool 1 hook the small governor spring onto the fork lever 3 NOTE B...

Page 118: ...ck to see if there are four O rings 1 inside the gear case 2 Apply a thin film of engine oil to the oil seal 3 and install it noting the lip come off Before installing the gear case gasket apply a non...

Page 119: ...pump gear 1 W1024941 Camshaft 1 Remove the camshaft set bolts 2 and draw out the camshaft 1 When reassembling When installing the idle gear be sure to align the alignment marks on gears W1025098 1 In...

Page 120: ...turn smoothly in the holder 7 W1025309 Oil Pump 1 Remove the nut 2 Draw out the oil pump drive gear 1 with gear puller 2 3 Remove the four oil pump mounting screws Detach the oil pump 3 W1025581 Cran...

Page 121: ...oil strainer 3 check to see that the filter mesh in clean and install it Visually check the O ring apply engine oil and install it Securely fit the O ring to the oil strainer 3 Apply a liquid gasket T...

Page 122: ...ace the piston rings with their gaps at 0 785 rad 45 from the piston pin s direction as shown in the figure Carefully insert the pistons using a piston ring compressor When inserting the piston in pla...

Page 123: ...1 Apply engine oil to the piston pin When installing the piston pin immerse the piston in 80 C 176 F oil for 10 to 15 minutes and insert the piston pin to the piston When installing the connecting rod...

Page 124: ...nd outside screws When reassembling Fit the bearing case gasket 5 and the bearing case cover gasket 6 with correct directions b Install the bearing case cover to position the casting mark UP a on it u...

Page 125: ...ng the screw hole of main bearing case 2 with the screw hole of cylinder block When tightening the main bearing case screw 2 apply oil to the screw and screw by hand before tightening the specific tor...

Page 126: ...tall them in order of markings A B from the gear case side Match the alignment numbers 1 and mark 2 on the main bearing case When installing the main bearing case 1 and 2 face the mark FLYWHEEL to the...

Page 127: ...parts inside When reassembling Assemble the nozzle in clean fuel oil Install the push rod 4 noting its direction After assembling the nozzle be sure to adjust the fuel injection pressure W1089102 1 T...

Page 128: ...W1027737 Cylinder Head Flaw 1 Prepare an air spray red check Code No 07909 31371 2 Clean the surface of the cylinder head with detergent 2 3 Spray the cylinder head surface with the red permeative liq...

Page 129: ...er 6 Then correct the cylinder head surface with a surface grinder or replace the cylinder head W1076880 Cleaning Valve Guide 1 Wash and clean the inner surface of the valve guide with kerosene or die...

Page 130: ...ide and valve guide bore and apply engine oil to them 2 Press in a new valve guide using a valve guide replacing tool 3 Ream precisely the I D of the valve guide to the specified dimension IMPORTANT D...

Page 131: ...1 047 rad 60 intake valve or 0 785 rad 45 exhaust valve seat cutter Code No 07909 33102 2 Resurface the seat surface with a 0 523 rad 30 valve seat cutter to intake valve seat and with a 0 262 rad 15...

Page 132: ...place a square on the side of the valve spring 3 Check to see if the entire side is in contact with the square Rotate the valve spring and measure the maximum tilt B If the measurement exceeds the al...

Page 133: ...e the I D of the tappet guide bore with a cylinder gauge and calculate the oil clearance 3 If the oil clearance exceeds the allowable limit or the tappet is damaged replace the tappet W1029366 Oil cle...

Page 134: ...the front and rear 3 If the measurement exceeds the allowable limit replace the camshaft stopper W1030012 Backlash between idle gear and crank gear Factory spec 0 0415 to 0 1122 mm 0 00163 to 0 00442...

Page 135: ...al O D with an outside micrometer 2 Measure the cylinder block bore I D for camshaft with a cylinder gauge and calculate the oil clearance 3 If the oil clearance exceeds the allowable limit replace th...

Page 136: ...w bushing using an idle gear bushing replacing tool until it is flush with the end of the idle gear W1031083 3 Piston and Connecting Rod Piston Pin Bore I D 1 Measure the piston pin bore I D in both t...

Page 137: ...Press out the small end bushing with a connecting rod small end bushing replacing tool B When installing 1 Clean a new small end bushing and bore and apply engine oil to them 2 Press fit a new bushin...

Page 138: ...still exceeds the allowable limit after replacing the ring replace the piston W1032489 Top ring Factory spec D1403 M 0 20 to 0 35 mm 0 0079 to 0 0138 in D1703 M 0 20 to 0 40 mm 0 0079 to 0 0157 in All...

Page 139: ...connecting rod alignment tool 3 Put a gauge over the piston pin and move it against the face plate 4 If the gauge does not fit squarely against the face plate measure the space between the pin of the...

Page 140: ...indicator with its tip on the intermediate journal 3 Measure the crankshaft alignment 4 If the measurement exceeds the allowable limit replace the crankshaft W1033001 Crankshaft side clearance Factory...

Page 141: ...Reference Undersize dimensions of crankpin W1033106 Oil clearance between crankpin and crankpin bearing Factory spec 0 025 to 0 087 mm 0 00098 to 0 00343 in Allowable limit 0 20 mm 0 0079 in Crankpin...

Page 142: ...to 0 118 mm 0 00157 to 0 00465 in Allowable limit 0 2 mm 0 0079 in Crankshaft journal O D Factory spec 59 921 to 59 940 mm 2 35910 to 2 35984 in Crankshaft bearing 1 I D Factory spec 59 980 to 60 039...

Page 143: ...aring 1 2 and crankshaft journal bore and apply engine oil to them 2 Using a crankshaft bearing 1 replacing tool press in a new bearing 1 2 so that its seam 1 directs toward the exhaust manifold side...

Page 144: ...821 Oil clearance between crankshaft and crankshaft bearing 2 Factory spec 0 040 to 0 104 mm 0 00157 to 0 00409 in Allowable limit 0 20 mm 0 0079 in Crankshaft journal O D Factory spec 59 921 to 59 94...

Page 145: ...e to a temperature between 150 and 200 C 302 and 392 F and fix the sleeve to the crankshaft 5 as shown in figure 5 Press fit the sleeve using the auxiliary socket for pushing 4 Refer to SPECIAL TOOLS...

Page 146: ...o Correcting Cylinder 4 Visually check the cylinder wall for scratches If deep scratches are found the cylinder should be bores Refer to Correcting Cylinder W1034389 Cylinder I D Factory spec D1403 M...

Page 147: ...owable limit replace the cylinder block with a new one W1034448 Oversize cylinder I D Factory spec D1403 M 80 250 to 80 272 mm 3 15951 to 3 16038 in D1703 M 87 250 to 87 272 mm 3 43503 to 3 43590 in M...

Page 148: ...with grease 2 Install the cover and tighten the screws 3 Remove the cover carefully and measure the width of the press gauge with a sheet of gauge 4 If the clearance exceeds the factory specification...

Page 149: ...2 CLUTCH KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 150: ...CONTENTS MECHANISM 1 STRUCTURE 2 M1 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 151: ...clutch Tractors equipped with dual stage type clutch have a live PTO function which enables stoppage of the power transmission to the travelling system while the PTO is in rotation W1012642 W1012753...

Page 152: ...ADJUSTING 2 S6 2 PREPARATION 2 S7 1 Separating Engine and Clutch Housing 2 S7 2 Separating Clutch Assembly 2 S10 3 DISASSEMBLING AND ASSEMBLING 2 S12 1 Dual Stage Clutch L3400 2 S12 4 SERVICING 2 S13...

Page 153: ...r broken clutch cover side Replace Pressure plate assembly 2 S10 S11 Release lever improperly adjusted L3400 Adjust 2 S6 S15 Chattering Grease or oil on clutch disc facing Replace 2 S10 S11 Clutch dis...

Page 154: ...Cause Solution Reference Page Vibration Main shaft bent Replace 3 S16 S17 Clutch disc rivet worn or broken Replace 2 S10 S11 Clutch parts broken Replace 2 S10 S11 KiSC issued 08 2007 A Tractor Manuals...

Page 155: ...Disc Disc Surface to Rivet Top Depth 0 3 mm 0 012 in Diaphragm Spring Mutual Difference 0 5 mm 0 020 in Pressure Plate to Straightedge Clearance 0 2 mm 0 008 in Brake Pedal Shaft to Clutch Pedal Bushi...

Page 156: ...0 to 0 2 mm 0 000 to 0 008 in Gauge Ring to Top of Adjusting Screw Clearance 0 0 to 0 7 mm 0 000 to 0 028 in Pressure Plate 2 to Adjusting Screw Clearance 0 95 to 1 00 mm 0 037 to 0 039 in Pressure P...

Page 157: ...48 1 to 55 8 4 9 to 5 7 35 4 to 41 2 Clutch mounting screws and reamer screw 23 5 to 27 5 2 4 to 2 8 17 4 to 20 3 Release fork setting screw L3400 23 5 to 27 5 2 4 to 2 8 17 4 to 20 3 Adjusting screw...

Page 158: ...lock nut 1 tighten the adjust bolt 2 by using 6 mm spanner until head of the bolt contacts pressure plate slightly Make 7 6 turn counterclockwise to give 1 4 to 1 5 mm 0 055 to 0 059 in clearance 4 T...

Page 159: ...ransmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 7 Never work the tractor immediately after changing the transmission fluid Keeping the engine at medium speed for a few...

Page 160: ...the universal joint and flywheel housing Then fit the support 6 in position W1045309 Wirings 1 Disconnect the wiring 1 for the alternator 2 Disconnect the wiring 4 for starter motor 3 Disconnect the 1...

Page 161: ...haft cover 1 5 to the front and the cover 2 6 to the rear 3 Tap out the spring pins 1 and then slide the coupling 2 to the front and coupling 8 to the rear When reassembling Apply grease to the spline...

Page 162: ...ter tool When reassembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 1901 or equivalent to the splines of clutch disc boss Insert the pr...

Page 163: ...2800 1 Remove the release fork 1 mounting screw 2 2 Draw out the clutch lever 3 to remove the release fork 1 3 Remove the hub return spring 6 4 Remove the thrust ball bearing 4 and release hub 5 as a...

Page 164: ...the clutch cover 2 8 belleville spring 7 pressure plate 2 PTO 6 and clutch disc PTO 5 in order 4 Remove the clutch cover 1 4 belleville spring 9 and pressure plate 1 travelling 2 in order When reasse...

Page 165: ...NOTE Do not depress bearing outer race when replacing release bearing Do not wash the release bearing with a cleaning solvent W1013883 Clutch Disc Wear 1 Measure the depth from clutch disc surface to...

Page 166: ...nd measure clearance with a feeler gauge at several points 2 If the clearance exceeds the allowable limit replace it 3 When the pressure plate is worn around its outside and its inside surface only is...

Page 167: ...surement is less than the allowable limit replace 4 Check for cracks if defects are found replace W1018241 Mutual DIfference of Release Lever 1 Insert the dual stage clutch exclusive tool Code No 0791...

Page 168: ...ing Screw 1 Measure the clearance between pressure plate 2 and the top of adjusting screw with a feeler gauge 2 If the clearance is not within the factory specifications rotate adjusting screw to adju...

Page 169: ...3 TRANSMISSION MANUAL TYPE KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 170: ...CONTENTS MECHANISM 1 STRUCTURE 3 M1 1 L2800 3 M1 2 L3400 3 M2 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 171: ...E 1 STRUCTURE 1 Main Gear Shift Section 2 Lo Reverse Hi Shift Section 3 PTO Gear Section 4 One Way Clutch Section 5 4WD Section Drive Gear 2 1 3 4 5 3TLAAAB3P066A KiSC issued 08 2007 A Tractor Manuals...

Page 172: ...SMISSION MANUAL TYPE 1 Main Gear Shift Section 2 Lo Reverse Hi Shift Section 3 PTO Gear Section 4 4WD Section Drive Gear 3TLAAAB3P067A 1 2 3 4 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do...

Page 173: ...Clutch Housing Case 3 S9 3 Separating Transmission Case 3 S10 2 DISASSEMBLING AND ASSEMBLING 3 S14 1 Clutch Housing Case 3 S14 2 Transmission Case 3 S20 3 Disassembling Differential Gear Assembly L280...

Page 174: ...ball spring weaken or damaged Replace 3 S31 Interlock ball fallen Reassemble Gears worn or broken Replace Hard Shifting Shifter or shift fork worn or damaged Replace 3 S30 Shift fork bent Replace Shif...

Page 175: ...ifferential pinion and differential side gear Adjust 3 S35 Bearings worn Replace 3 S30 Insufficient or improper type of transmission fluid used Replenish or replace G 7 3 S6 Noise While Turning Differ...

Page 176: ...gf m 1 45 to 2 17 ft lbs Spiral Bevel Pinion to Bevel Gear Backlash Tooth Contact Center of Tooth Contact 0 15 to 0 30 mm 0 0059 to 0 0118 in More than 35 1 3 of the entire width from the small end Di...

Page 177: ...35 1 3 of the entire width from the small end Differential Case Bore to Differential Side Gear Boss Differential Case Bore Differential Side Gear Boss Clearance I D O D 0 050 to 0 151 mm 0 00197 to 0...

Page 178: ...sembly mounting stud bolt 34 3 to 49 0 3 5 to 5 0 25 3 to 36 2 Hydraulic cylinder mounting screw 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 Rear axle case mounting screw and nut 48 1 to 55 9 4 9 to 5 7 35 4...

Page 179: ...ssion fluid Use of other fluides may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 7 Never work the tractor immediately after changing the transmission fl...

Page 180: ...between the universal joint and flywheel housing Then fit the support 6 in position W1045309 Wirings 1 Disconnect the wiring 1 for the alternator 2 Disconnect the wiring 4 for starter motor 3 Disconn...

Page 181: ...opeller shaft cover 1 5 to the front and the cover 2 6 to the rear 3 Tap out the spring pins 1 and then slide the coupling 2 to the front and coupling 8 to the rear When reassembling Apply grease to t...

Page 182: ...support 9 7 Remove the suction pipe 10 When reassembling W1013738 Delivery Pipe and Return Pipe 1 Check the clutch housing case and transmission case are securely mounted on the disassembling stands 2...

Page 183: ...for a few minutes stop it and check the fluid level again if low add fluid prescribed level A IMPORTANT Use only multi grade transmission fluid Use of other fluides may damage the transmission or hydr...

Page 184: ...Remove the rear fenders 8 and fender rear stay 9 9 Remove the housing cover 12 and both side steps 13 When reassembling W1014739 1 Top Link 2 Lift Rod 3 Lower Link Tightening torque ROPS mounting scr...

Page 185: ...the disassembling stands 2 Loosen and remove the transmission case mounting nut 3 Separate the transmission case from the clutch housing case When reassembling Apply liquid gasket Three Bond 1208D or...

Page 186: ...en and remove the rear axle case mounting screws and nuts 2 Support the rear axle case 1 with the nylon lift strap and hoist 3 Separate the rear axle case from brake case 4 Follow the same procedure a...

Page 187: ...portions of the stud bolts RH and LH W1016886 2 DISASSEMBLING AND ASSEMBLING 1 Clutch Housing Case Speed Change Cover 1 Remove the speed change cover 1 When reassembling Apply liquid gasket Three Bond...

Page 188: ...w out the clutch lever 3 to remove the release fork 1 3 Remove the hub return spring 6 4 Remove the thrust ball bearing 4 and release hub 5 as a unit When reassembling Make sure the direction of the r...

Page 189: ...t the fork rod 3 to the front and take out the shift fork 4 and balls 4 Remove the snap ring 11 12 5 Tap out the counter shaft 13 to the rear NOTE When drawing out the counter shaft take out the follo...

Page 190: ...it to 18 mm 0 709 in inside of shaft end using guide 4 W1034033 PTO Gear Shaft 1 Remove the external snap ring 2 and 29T gear 3 2 Remove the internal snap ring 1 3 Draw out the PTO gear shaft assembl...

Page 191: ...4 to the rear NOTE When drawing out the main shaft take out the following parts one by one copper washer 1 23T gear 2 and 17T gear 3 When reassembling Install the copper washer to the front of 25T gea...

Page 192: ...rnal snap ring 3 3 Tap out the PTO counter shaft 1 to the rear and take out the 39T gear 6 4 Tap out the PTO counter shaft 1 to the front and take out the 23T gear 7 5 Tap out the PTO counter shaft 1...

Page 193: ...nter shaft 5 to the rear When reassembling Bearing cover 2 should be replaced with new one W1038673 2 Transmission Case Differential Lock 1 Remove the clevis pin 1 2 Draw out the differential lock for...

Page 194: ...shims in the pinion bearing cover Replace the lock nut 3 with a new one and stake the lock nut firmly after installing the parts on the shaft W1020909 Tightening torque Lock nut 147 to 196 N m 15 to 2...

Page 195: ...ar 6 8 Remove the shift fork 10 and shift rod 11 with shifter 7 9 Tap out the sub shaft 8 to the front When reassembling Take care not to damage or lose ball or spring W1020895 1 Bearing 2 External Sn...

Page 196: ...ssembling Use same number of shim as before disassembling Replace the left and right bearing cases on the same sides as before Apply grease to ball and ball seats W1042963 1 Pinion Shaft 2 19T Gear 3...

Page 197: ...e Bond 1141 or equivalent to joint face of the collar 4 and insert the collar to PTO shaft Apply grease to oil seal 3 and install it noting its direction W1021874 3 Disassembling Differential Gear Ass...

Page 198: ...face of both differential side gears 6 If they are worn or damaged bores in the differential case may also be damaged Check the differential pinions 1 and pinion shaft 2 for excessive wear If these pa...

Page 199: ...o both faces of the gasket that is to be installed between the front drive case and the transmission case W1040163 4 Disassembling Differential Gear Assembly L3400 Bearing and Differential Lock Shifte...

Page 200: ...ssembling Check the spiral bevel gear for wear or damage If it is no longer serviceable replace it Then also replace the spiral bevel pinion shaft Apply liquid lock Three Bond 1372 or equivalent to th...

Page 201: ...nner circumferential surface of the differential pinions Install the parts to their original position Install the differential pinion washer 4 noting its groove position W10250420 Differential Side Ge...

Page 202: ...If the clearance exceeds allowable limit replace W10269970 Free Length of the Shift Fork Spring 1 Measure free length of spring with vernier caliper 2 If the free length is less than the allowable lim...

Page 203: ...gear with a vise 2 Set a dial indicator lever type with its finger on the spline 3 Move the shaft to measure the clearance 4 If the clearance exceeds the allowable limit replace them W1043557 Clearanc...

Page 204: ...the turning torque 2 If the turning torque is not within the factory specifications check the differential gear turning force backlash and tooth contact again W1025673 Free length of the shift fork s...

Page 205: ...properly by repeating the above procedures 5 Apply red lead lightly over several teeth at three positions equally spaced on the bevel gear 6 Turn the 8T spiral bevel pinion while pressing a wooden pi...

Page 206: ...ard Repeat above until the proper tooth contact and backlash are achieved W10189730 Clearance between Differential Case Bore and Differential Side Gear Boss L2800 1 Measure the bore I D of the differe...

Page 207: ...lowable limit 0 35 mm 0 0138 in Differential case bore I D Factory spec 40 500 to 40 562 mm 1 59449 to 1 59693 in Differential side gear boss O D Factory spec 40 411 to 40 450 mm 1 59098 to 1 59252 in...

Page 208: ...her Reference Thickness of differential side gear washers L2800 1 5 mm 0 059 in Parts No 31331 26470 1 6 mm 0 063 in Parts No 31331 26480 1 7 mm 0 067 in Parts No 31331 26490 L3400 1 5 mm 0 059 in Par...

Page 209: ...H3 TRANSMISSION HST TYPE KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 210: ...M5 1 Neutral H3 M5 2 Forward H3 M6 3 Reverse H3 M7 4 CONTROL LINKAGE H3 M8 1 HST Pedal Linkage H3 M8 2 Cruise Control H3 M9 5 RANGE GEAR SHIFT SECTION H3 M10 6 FRONT DRIVE WHEEL SECTION H3 M10 3 POWER...

Page 211: ...YPE 1 STRUCTURE 1 Hydrostatic Transmission Section 2 Range Gear Shift Section 3 PTO Clutch Section 4 Front Wheel Drive Section 4 1 2 3 3TLAAAB3P068A KiSC issued 08 2007 A Tractor Manuals Scotland Plea...

Page 212: ...h housing HST assembly is chiefly composed of HST case clutch housing variable displacement piston pump fixed displacement piston motor charge pump and various valves Refer to the next page for detail...

Page 213: ...ock Pump 7 Case Relief Valve 8 Charge Pump Cover 9 Charge pump 10 Output Shaft Motor 11 Cylinder Block Motor 12 Fixed Swashplate 13 28T Gear 14 Check and High Pressure Relief Valve 15 Charge Relief Va...

Page 214: ...out of motor at low pressure and return to the pump 2 On the other hand oil is send to the main circuit with the charge pump 3 through the filter 11 and check valve and excessive oil passes to the cas...

Page 215: ...oes not move 1 Oil Cooler 2 Oil Filter For HST 3 Charge Pump 4 Swash plate 5 Cylinder Block Motor 6 Neutral Valve Forward 7 Neutral Valve Reverse 8 Piston 9 Cylinder Block Pump 10 Charge Relief Valve...

Page 216: ...tput shaft speed As the motor cylinder block continues to rotate oil is forced out of motor port D at low pressure and returns to the pump port B 1 Oil Cooler 2 Oil Filter For HST 3 Charge Pump 4 Swas...

Page 217: ...tput shaft speed As the motor cylinder block continues to rotate oil is forced out of motor port C at low pressure and returns to the pump port A 1 Oil Cooler 2 Oil Filter For HST 3 Charge Pump 4 Swas...

Page 218: ...returned to neutral with the neutral holder arm 2 when the pedal is released The ball bearing 8 on the neutral holder 2 pulled with the neutral spring 3 seats the detent of the neutral holder arm 4 s...

Page 219: ...g rod 2 and the HST pedal are connected by the connecting shaft 1 the HST pedal is moved and HST becomes forward position The cruise control can be returned to neutral automatically when brake pedals...

Page 220: ...wheel drive section is located in the differential gear case 2 wheel drive or 4 wheel drive is selected by operating the front wheel drive lever to shift the Shifter gear 2 W1015787 1 37T Gear 2 Shaft...

Page 221: ...ft lever of the PTO clutch 3 The power train from the clutch to PTO shaft is composed as shown in figure above 1 Pump Shaft HST 2 PTO Counter Shaft 3 PTO Dog Clutch 4 16T Gear Shaft 5 15T 44T Gear 6 2...

Page 222: ...shift fork 3 is moved by means of the shift cable 2 and lever 5 When the shift lever 1 is moved to the A side the PTO is shifted to the Disengaged position When the shift lever 1 is moved to the B sid...

Page 223: ...10 5 Checking Cruise Lever Operating Force H3 S10 6 Adjusting PTO Wire H3 S12 2 PREPARATION H3 S12 1 Separating Engine and Clutch Housing H3 S12 2 Separating Clutch Housing from MID Case H3 S16 3 Sepa...

Page 224: ...interlock ball spring weaken or damaged Replace Interlock ball fallen Reassemble Gears worn or broken Replace Hard Shifting Shifter or shift fork worn or damaged Replace Shift fork bent Replace Shift...

Page 225: ...differential pinion and differential side gear Adjust 3 S35 Bearings worn Replace 3 S30 Insufficient or improper type of transmission fluid used Replenish or replace G 7 Noise While Turning Different...

Page 226: ...defective Inspect or replace neutral valve H3 S20 Component parts defective Replace hydrostatic transmission assembly H S19 S20 Vibration and Noise Oil level is too low Check oil level or fill oil to...

Page 227: ...Over Heats Low transmission oil level Fill transmission oil level up to proper level G 16 Radiator net clogged Clean radiator net Excessive machine load Reduce machine load Improper charge pressure 1...

Page 228: ...ssure 33 3 to 36 3 MPa 340 to 370 kgf cm2 4836 to 5262 psi Charge Relief Valve Condition Setting Pressure 0 49 to 0 78 MPa 5 to 8 kgf cm2 71 to 114 psi Cruise Control Lever Operating Force Forward Dir...

Page 229: ...ch housing and MID case mounting screw 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 MID case and transmission case mounting screw 102 9 to 117 6 10 5 to 12 0 75 9 to 86 8 Plate mounting screw 23 5 to 27 5 2 4...

Page 230: ...in order 5 Check to see that parking brake is applied 6 Run the engine at maximum speed 7 Place the range gear shift lever in H position 8 Depress the HST pedal and measure the check and high pressure...

Page 231: ...ed joint in order 5 Place the range gear shift lever in neutral 6 Run the engine at maximum speed 7 Release the HST pedal to set in neutral and measure the charge pressure 8 If the measurement is no w...

Page 232: ...ack into the maximum position at the top of the lever grip 2 3 If the force is not within the factory specifications loosen the lock nut 4 and adjust the tension of cruise spring 3 4 Retighten the loc...

Page 233: ...the neutral holder 2 clockwise or counter clockwise until wheels stop completely 8 Hold the neutral holder 2 and tighten the plate mounting screws 4 NOTE Be sure to tighten the plate mounting screw w...

Page 234: ...sure the cruise control is not released Also depress both the brake pedals coupled together to make sure that the cruise control is released 3 If the cruise control does not work as above adjust with...

Page 235: ...e gauge 2 from the filling port after removing the filling plug 3 After running the engine for a few minutes stop it and check the fluid level again if low add fluid prescribed level A IMPORTANT Use o...

Page 236: ...lic pump side 2 Remove the screw 2 and steering joint shaft support 5 3 Remove the steering joint shaft 3 4 Remove the throttle rod 4 When reassembling Lift the universal joint so that there should be...

Page 237: ...Wirings 1 Remove the HST return pipe 1 2 Remove the fuse box 4 and ground cable 5 3 Disconnect the connector 3 for safety switch 4 Remove the clutch housing cover 2 When reassembling W1043042 1 Slow...

Page 238: ...Delivery Pipe 1 Remove the HST pedal 1 2 Remove the grip 4 and center cover 5 3 Remove the brake springs and differential look rod 4 Remove the step mounting screws and steps 3 5 Remove the delivery...

Page 239: ...neutral position See page H3 S10 Install the copper washer securely W1013738 Steering Support Clutch Rods and Pipes 1 Remove the steering support 6 2 Remove the oil filter 4 with bracket and pipes 3...

Page 240: ...djust the cruise release wire 2 See page H3 S11 W1028796 Separating MID Case from Transmission Case 1 Place the disassembling stand under the MID case 2 Remove the MID case and transmission case mount...

Page 241: ...3 and plate 2 2 Remove the neutral holder mounting screw 1 and neutral holder 4 When reassembling Be sure to adjust the HST neutral position See page H3 S10 W1017592 Tightening torque Release fork mou...

Page 242: ...ge Pump 1 Remove the charge pump mounting hex head screws and remove the pump cover 1 2 Take out the rotors 2 3 When reassembling W1014893 Case Relief Valve 1 Remove the internal snap ring 1 2 Remove...

Page 243: ...he neutral valve assembly 4 When reassembling Take care not to damage the O ring on the plug NOTE Neutral valve for forward and reverse are not interchangeable It is indicated F on top of forward neut...

Page 244: ...poppet 4 4 Repeat the same operation a few times to find the distance A as it is difficult to acquire at the first time 5 After finding the distance A hold the setscrew 6 to a vice and fasten the hexa...

Page 245: ...embly 1 and pump shaft 2 When reassembling Apply clean hydrostatic transmission oil to cylinder block NOTE Take care not to damage the surface of cylinder block pistons Do not interchange pistons betw...

Page 246: ...g holder 1 by using the two jack screws then remove the bearing holder 1 When reassembling Tap in the bearing holder 1 with plastic hummer until contact to mid case and then tighten the screws to spec...

Page 247: ...nd Fender Support 1 Disconnect the PTO wire 1 2 Remove the DT rod 4 and fender support 5 3 Loosen the lock nut 2 and the remove the spring 3 When reassembling Be sure to adjust the PTO wire 1 See page...

Page 248: ...en reassembling Make sure of the number of shims in the pinion bearing holder Replace the lock nut 1 with a new one and stake the lock nut firmly after installing the parts on the shaft W1020909 Tight...

Page 249: ...ling Apply liquid gasket Three bond 1208D or equivalent to joint face of spacer and transmission case W1021874 4 SERVICING 1 Bearing Gear and Shaft See page 3 S29 S30 2 Differential Gear See page 3 S3...

Page 250: ...E After checking coat them with transmission oil Valve plates are not interchangeable W10580610 Oil Seals and Bearing for Shaft 1 Remove the internal snap ring and check the oil seals 2 for damage 2 C...

Page 251: ...and motor cylinder block W10586380 Pump Shaft and Motor Shaft 1 Check the seal surface 3 2 If the shaft is rough or groove replace W10589240 Check and High Pressure Relief Valve 1 Check the spring 2...

Page 252: ...4 REAR AXLE KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 253: ...CONTENTS MECHANISM 1 STRUCTURE 4 M1 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 254: ...he rear axles are the semi floating type with the ball bearing 1 between the rear axle 2 and rear axle case 3 which support the rear wheel load besides transmitting power to the rear wheel The rear ax...

Page 255: ...OOTING 4 S1 2 TIGHTENING TORQUES 4 S2 3 DISASSEMBLING AND SERVICING 4 S3 1 PREPARATION 4 S3 2 DISASSEMBLING REAR AXLE 4 S5 3 SERVICING 4 S5 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not...

Page 256: ...acklash between differential gear shaft and final gear Replace 4 S5 Bearing worn Replace 4 S5 Insufficient or improper type of transmission fluid used Replenish or change G 7 Noise while Turning Diffe...

Page 257: ...nting screw and nut 197 to 226 20 to 23 145 to 166 ROPS mounting screw M14 9T 167 to 196 17 0 to 20 123 to 144 ROPS fulcrum screw 118 to 137 12 to 14 87 to 101 Rear axle case mounting screw and nut 48...

Page 258: ...of other fluides may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 7 Never work the tractor immediately after changing the transmission fluid Keeping the...

Page 259: ...ther side When reassembling Apply liquid gasket Three Bond 1208D 1141 or equivalent to joint face of the rear axle case and brake case after eliminating the water oil and stuck liquid gasket W1012958...

Page 260: ...al 2 with correct direction See figure on the left W1011681 3 SERVICING Checking Bearing 1 Hold the inner race and push and pull the outer race in all directions to check for wear and roughness 2 Appl...

Page 261: ...5 BRAKES KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 262: ...CONTENTS MECHANISM 1 FEATURES 5 M1 2 OPERATION 5 M2 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 263: ...inkages The parking brake is a mechanical type which is designed to actuate the traveling brakes through the linkage Pulling the parking brake lever 6 results in the same state as that obtained when t...

Page 264: ...d the plate 6 fixed to the brake case are arranged between the brake discs During Braking When the brake pedal is pressed the force causes the brake cam lever 5 to move in the direction of allow throu...

Page 265: ...5 S2 3 TIGHTENING TORQUES 5 S3 4 CHECKING DISASSEMBLING AND SERVICING 5 S4 1 CHECKING AND ADJUSTING 5 S4 2 PREPARATION 5 S5 3 DISASSEMBLING AND ASSEMBLING 5 S7 4 SERVICING 5 S8 KiSC issued 08 2007 A...

Page 266: ...ped Replace 5 S9 Brake Drags Ball holes of cam plate for uneven wear Replace 5 S9 Brake pedal return spring weaken or broken Replace Brake cam rusted Repair Poor Braking Force Brake disc worn Replace...

Page 267: ...in 25 020 to 25 053 mm 0 98504 to 0 98634 in 1 0 mm 0 039 in Brake Pedal Shaft to Support Bushing Support Bushing Clearance I D 0 05 to 0 20 mm 0 0020 to 0 0079 in 25 05 to 25 10 mm 0 9862 to 0 9882...

Page 268: ...lbs Rear wheel mounting screw and nut 197 to 226 20 to 23 145 to 166 ROPS mounting screw 167 to 196 17 0 to 20 0 123 to 144 Rear axle case mounting stud bolt 24 5 to 31 4 2 5 to 3 2 18 1 to 23 1 Brak...

Page 269: ...k nut 1 and turn the turnbuckle 2 to adjust it within the factory specifications IMPORTANT Keep the free travel in the right and left brake pedals equal NOTE The difference between the right and left...

Page 270: ...may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 7 Never work the tractor immediately after changing the transmission fluid Keeping the engine at medium...

Page 271: ...e When reassembling Apply liquid gasket Three Bond 1208D 1141 or equivalent to joint face of the rear axle case and brake case after eliminating the water oil and stuck liquid gasket W1014849 Tighteni...

Page 272: ...e transmission case install the cam plate around the four protrusions on the differential bearing case Apply liquid lock Three Bond 1324 or equivalent to the stud bolts W1015975 3 DISASSEMBLING AND AS...

Page 273: ...Lever Movement 1 Move the brake cam lever by hand to check the movement 2 If the movement is heavy refine the brake cam with sandpaper W1015125 1 Ball Seat 2 Ball 3 Cam Plate 4 Brake Disc 5 Plate 6 G...

Page 274: ...ar is found replace it W1014722 Brake Disc Wear 1 Measure the brake disc thickness with vernier calipers 2 If the measurement is less than the allowable limit replace it W1014853 Plate Wear 1 Measure...

Page 275: ...6 FRONT AXLE KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 276: ...CONTENTS MECHANISM 1 STRUCTURE 6 M1 1 2WD TYPE 6 M1 2 4WD TYPE 6 M2 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 277: ...the front axle frame 3 so that steering operation is stable even on an uneven grounds in a farm field 1 Bushing 2 Knuckle Arm 3 Front Axle Frame 4 Front Wheel Hub 5 Slotted Nut 6 Ball Bearing 7 Spacer...

Page 278: ...17 13 then the power is transmitted to the axle 12 The differential system allows each wheel to rotate at a different speed to make turning easier 1 Bevel Gear Case 2 Bevel Gear 3 Front Axle Case 4 Di...

Page 279: ...SERVICING 6 S6 1 CHECKING AND ADJUSTING 6 S6 2 PREPARATION 6 S8 1 Separating Front Axle 6 S8 3 DISASSEMBLING AND ASSEMBLING 6 S11 1 2WD Type Front Axle 6 S11 2 4WD Type Front Axle 6 S12 4 SERVICING 6...

Page 280: ...nt axle rocking force too small Adjust 6 S7 Front wheel sway excessive Replace 6 S6 Tie rod end loose Tighten 6 S9 Air sucked in power steering circuit Bleed Front Wheels Can Not Be Driven 4WD Type Pr...

Page 281: ...00697 in 39 938 to 40 000 mm 1 57236 to 1 57480 in 40 000 to 40 115 mm 1 57480 to 1 57933 in 0 3 mm 0 012 in Front Wheel Alignment Toe in 2 to 8 mm 0 08 to 0 32 in Front Wheel Axial Sway Less than 5...

Page 282: ...Pinion Clearance O D I D 0 064 to 0 100 mm 0 00252 to 0 00394 in 13 950 to 13 968 mm 0 54921 to 0 54992 in 14 032 to 14 050 mm 0 55244 to 0 55315 in 0 25 mm 0 0096 in Differential Pinion to Different...

Page 283: ...35 mm 0 0059 to 0 0138 in 0 8 mm 0 031 in 1 0 mm 0 039 in 1 2 mm 0 047 in 11T Bevel Gear to 42T Bevel Gear Shim Backlash Thickness 0 15 to 0 35 mm 0 0059 to 0 0138 in 1 0 mm 0 039 in 1 2 mm 0 047 in 1...

Page 284: ...01 3 Front wheel hub slotted nut 78 5 to 117 7 8 0 to 12 0 57 9 to 86 8 Knuckle arm mounting bolt and nut 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 Slotted nut of tie rod end 38 5 to 39 5 3 5 to 4 5 25 3 t...

Page 285: ...oosen the tie rod lock nut 1 and turn the turnbuckle 2 to adjust the tie lock rod length until the proper toe in measurement is obtained 2 Retighten the tie rod lock nut 1 IMPORTANT A right and left t...

Page 286: ...ghtening torque 3 If tightening torque is not within the factory specifications adjust the adjusting screw 1 4 After adjustment tighten the lock nut firmly When reassembling W1020990 Front axle rockin...

Page 287: ...Front Axle Case Oil 4WD Type 1 Place the oil pans underneath the front axle case 2 Remove the drain plug 1 both sides and filling port plug 3 to drain the oil 3 After draining reinstall the drain plug...

Page 288: ...In this case take special care not to damage the tie rod end nut slotted nut It is preferable to replace it with an unrequired nut 3 Reinstall the bumper When reassembling IMPORTANT After tightening...

Page 289: ...ue Shaft bracket 1 front mounting screws 4WD Type 240 to 260 N m 24 to 26 kgf m 173 to 188 ft lbs Shaft bracket 2 rear mounting screws 4WD Type 77 4 to 90 2 N m 7 9 to 9 2 kgf m 57 2 to 66 5 ft lbs Sh...

Page 290: ...with a puller When reassembling Replace cotter pin with a new one Apply grease to the oil seal in the front wheel hub IMPORTANT After tightening the slotted nut to the specified torque insert a cotte...

Page 291: ...ar case 3 and front gear case 4 as a unit from the front axle case 1 When reassembling Apply grease to the O ring 2 and take care not to damage it Do not interchange right and left bevel gear case ass...

Page 292: ...1 Tighten the axle flange mounting screws and nuts diagonally in several steps Install the oil seal 10 of bevel gear case noting its direction as shown in the figure below W1015238 Tightening torque...

Page 293: ...a special use puller set 2 Take out the bevel gear 2 3 Take out the collar 1 4 Tap out the axle 3 When reassembling Install the oil seal 5 of axle flange 4 noting its direction as shown in the figure...

Page 294: ...collars before they are removed Install the taper roller bearings correctly noting their direction and apply gear oil to them When press fitting a oil seal 6 observe the dimension A described in the...

Page 295: ...ng Apply molybdenum disulfide Three Bond 1901 or equivalent to the inner circumferential surface of the differential side gears 12 and differential pinions 4 Install the pinion shaft 10 so that the ho...

Page 296: ...ts where it contacts with the bushings 2 Measure the bushing I D in the same method and calculate the clearance 3 If the clearance exceeds the allowable limit replace the bushing When reassembling Rem...

Page 297: ...W1018504 Clearance between differential case Differential case cover and differential side gear Factory spec 0 050 to 0 151 mm 0 00197 to 0 00594 in Allowable limit 0 35 mm 0 0138 in Differential case...

Page 298: ...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 3 If the turning torque is not within the factory spec...

Page 299: ...16T bevel gear 1 with grease 2 Fix the front axle case bevel gear case and front gear case 3 Turn the axle 4 Remove the bevel gear case from front axle case and measure the thickness of the fuses wit...

Page 300: ...ide micrometer 5 If the backlash is not within the factory specifications adjust with shim 3 Reference Thickness of adjusting shims 3 1 0 mm 0 039 in 1 8 mm 0 071 in 1 2 mm 0 047 in 2 0 mm 0 079 in 1...

Page 301: ...rance between front axle case boss front and bracket bushing front Factory spec 0 12 to 0 28 mm 0 00472 to 0 01102 in Allowable limit 0 35 mm 0 0138 in Front axle case boss front O D Factory spec 54 9...

Page 302: ...7 STEERING KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 303: ...NTS MECHANISM 1 LUBRICATING SYSTEM 7 M1 1 LINKAGE 7 M1 2 STEERING GEAR BOX 7 M2 1 Structure 7 M2 2 Operation 7 M3 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scot...

Page 304: ...ors This steering system is composed of steering wheel steering joint shafts steering gear box and other components shown in the figure 1 Steering Gear Box 2 Joint Shaft 2 3 Mini Flange 4 Support 5 Jo...

Page 305: ...rted through the sector shaft 6 onto the main shaft 5 The torsion bar 2 is then twisted to make a gap between the input shaft 1 and sleeve 3 Such gap activates the valve to switch the oil flow directi...

Page 306: ...e and the ball nut 4 is moved to the right Finally the sector shaft 6 gets turned to turn the machine to the left W1013318 Right Turn The operating principle is the same as with the left turn For the...

Page 307: ...se the power steering system In such case the steering wheel can be in the manual mode When the steering wheel is turned the torsion bar is twisted for the valve s stroke and from now on the steering...

Page 308: ...TORQUES 7 S3 4 CHECKING DISASSEMBLING AND SERVICING 7 S4 1 CHECKING AND ADJUSTING 7 S4 2 PREPARATION 7 S4 1 Separating Steering Gear Box 7 S4 3 DISASSEMBLING AND ASSEMBLING 7 S6 4 SERVICING 7 S8 KiSC...

Page 309: ...malfunctioning Replace 7 S6 to S8 Seals in the steering gear box damaged Replace 7 S7 Backlash between sector gear shaft and rack piston too small Adjust 7 S8 Air in the hydraulic pipes Air vent Low...

Page 310: ...WD 8 3 to 9 3 MPa 85 to 95 kgf cm2 1209 to 1651 psi 11 1 to 12 1 MPa 113 to 123 kgf cm2 1607 to 1749 psi Sector Gear and Ball Nut Backlash 0 3 mm 0 012 in Valve Housing and Spool Clearance 0 17 to 0 2...

Page 311: ...ear box mounting screw 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 Power steering delivery joint bolt 34 to 39 3 5 to 4 0 25 3 to 28 9 Pitman arm mounting nut 147 to 196 15 0 to 20 0 108 5 to 144 7 Side cove...

Page 312: ...the play A decreases After adjustment fix it with lock nut 2 while holding the adjusting screw 1 W1019889 2 PREPARATION 1 Separating Steering Gear Box Joint Shaft 1 Remove the support 3 mounting screw...

Page 313: ...plate 2 Disconnect the power steering delivery pipe 1 and return hose 2 When reassembling W1020862 Steering Gear Box Assembly 1 Remove the steering gear box mounting screws 2 Remove the steering gear...

Page 314: ...07 Side Cover 1 Loosen the lock nut 1 2 Remove the side cover mounting screws turn the adjusting screw clockwise and remove the side cover 2 When reassembling W1021288 Sector Gear Shaft 1 Remove the s...

Page 315: ...ock nut 1 2 Take out the ball nut assembly 2 When reassembling Apply oil to sleeve W10217200 Tightening torque Valve mounting screw 48 0 to 55 0 N m 4 9 to 5 7 kgf m 35 4 to 41 2 ft lbs 1 Valve Assemb...

Page 316: ...f the clearance exceeds the allowable limit replace the steering gear box assembly W10196700 Clearance between Gear Box and Ball Nut 1 Measure the gear box cylinder I D with a cylinder gauge 2 Measure...

Page 317: ...limit replace the steering gear box assembly NOTE Check ball nut assembly for smooth rotation by holding the ball nut horizontally and slowly rotating the worm shaft If rotation is not smooth replace...

Page 318: ...8 HYDRAULIC SYSTEM KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 319: ...S MECHANISM 1 HYDRAULIC CIRCUIT 8 M1 2 HYDRAULIC CYLINDER 8 M2 3 LINKAGE MECHANISM 8 M3 4 FRONT HYDRAULIC BLOCK 8 M5 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals S...

Page 320: ...very pipe 3 The position control valve 5 switches the oil flow and oil is channelled to the hydraulic cylinder 7 for the three point hydraulic system or returned to the oil tank transmission case The...

Page 321: ...g valve 3 attached to the hydraulic cylinder 4 Turning the lowering speed adjusting knob 1 clockwise decreases the lowering speed and counterclockwise increases lowering speed When the lowering speed...

Page 322: ...lever 1 The implement can be positioned at any height by moving the position control lever 1 Fine position adjustment is also easy 1 Position Control Lever 2 Control Arm 3 Control Valve 4 Hydraulic A...

Page 323: ...sition control lever is moved to the DOWN position the control arm 2 rotates to the arrow Therefore the spool drive lever 1 moves around the fulcrum P and pushes the spool 3 opening the DOWN circuit 2...

Page 324: ...ers on the implement such as front loader front blade and so on 1 Cap 2 Front Hydraulic Block 3 Relief Valve A To Implement Control Valve B From Implement Control Valve C To Position Control Valve P F...

Page 325: ...Three Point Hydraulic System 8 S9 4 Relief Valve for Three Point Hydraulic System 8 S11 2 DISASSEMBLING AND ASSEMBLING 8 S13 1 Hydraulic Pump Power Steering 8 S13 2 Hydraulic Pump Three point Hydraul...

Page 326: ...arm improperly assembled Adjust 8 S18 Implement Does Not Lower Control valve malfunctioning Spool damaged Replace 8 S19 Poppet valve adjusting nut improperly adjusted Adjust 8 S19 S20 Implement Drops...

Page 327: ...U S gals min 3 43 Imp gals min Above 15 0 L min 3 96 U S gals min 3 30 Imp gals min Above 14 5 L min 3 83 U S gals min 3 19 Imp gals min 13 5 L min 3 57 U S gals min 2 97 Imp gals min 13 1 L min 3 46...

Page 328: ...bove 24 7 L min 6 53 U S gals min 5 43 Imp gals min Above 23 9 L min 6 31 U S gals min 5 26 Imp gals min 22 2 L min 5 86 U S gals min 4 88 Imp gals min 21 5 L min 5 68 U S gals min 4 73 Imp gals min H...

Page 329: ...0 00906 in 0 125 to 0 220 mm 0 00492 to 0 00866 in 0 50 mm 0 0197 in 0 50 mm 0 0197 in Hydraulic Arm Shaft O D Right O D Left 44 920 to 44 950 mm 1 76850 to 1 76968 in 39 920 to 39 950 mm 1 57165 to...

Page 330: ...ng screw 39 2 to 44 1 4 0 to 4 5 28 9 to 32 5 Hydraulic cylinder mounting screw and nut 77 4 to 90 2 7 9 to 9 2 57 1 to 66 5 Relief valve plug 49 0 to 69 0 5 0 to 7 0 36 1 to 50 6 Hydraulic cylinder a...

Page 331: ...nting screw 2 Remove the screw 2 3 Remove the joint shaft 1 When reassembling Lift the universal joint so that there should be a clearance A of more than 5 mm 0 19 in between the universal joint and f...

Page 332: ...pressure approx 9 8 MPa 100 kgf cm2 1422 psi Hold in this condition until oil temperature reached approx 40 C 104 F 7 Open the loading valve completely 8 Set the engine speed Refer to Condition 9 Rea...

Page 333: ...psi Condition Engine speed Maximum Oil temperature 50 to 60 C 122 to 140 F W1022630 Hydraulic pump delivery at no pressure Factory spec Above 16 1 L min 4 25 U S gals min 3 54 Imp gals min Hydraulic p...

Page 334: ...screw 2 3 Remove the joint shaft 1 When reassembling Lift the universal joint so that there should be a clearance A of more than 5 mm 0 19 in between the universal joint and flywheel housing Then fit...

Page 335: ...ing valve to increase pressure Rated pressure As the load is increased engine speed drops therefore reset the engine speed 11 Read and note the pump delivery at rated pressure 12 Open the loading valv...

Page 336: ...ations remove the relief plug 2 of front hydraulic block 3 and adjust with the adjusting shims 4 7 After the relief valve setting pressure test reset the position control lever stopper firmly Conditio...

Page 337: ...1 to the lowest position and uppermost position to check the relief valve does not operate 9 Set the position control lever 1 to the uppermost position then move the lift arm to the upper end by hand...

Page 338: ...gear 6 driven gear 2 and side plate 3 from the casing When reassembling Take care no to damage the gasket Align the hole of the pump cover 4 and casing 2 5 Install the side plate noting its location a...

Page 339: ...alve five times for 25 seconds one time 5 seconds W1017259 2 Hydraulic Pump Three point Hydraulic System Hydraulic Pump Assembly 1 Remove the side cover 1 2 Remove the steering joint shaft 5 3 Disconn...

Page 340: ...ely 2 Set the engine speed at 1300 to 1500 mm 1 rpm and operate the hydraulic pump at no load for about 10 minutes 3 Set the engine speed at 2000 to 2200 mm 1 rpm and with the hydraulic pump applied w...

Page 341: ...on case after eliminate the water oil and stuck liquid gasket When replacing the hydraulic cylinder assembly mounting stud bolts apply liquid lock Three Bond 1372 or equivalent to A portion of the stu...

Page 342: ...19917 Hydraulic Rod and Hydraulic Piston 1 Tap out the spring pin 2 Remove the hydraulic rod 3 Push out the hydraulic piston 1 When reassembling Install the piston noting O ring and back up ring 3 See...

Page 343: ...ide 3 When reassembling When press fitting new bushings 3 4 with a press fitting tool see page G 53 observe the dimensions described in the figure Apply transmission fluid to the hydraulic cylinder bo...

Page 344: ...Control Valve W1016748 Tightening torque Position control valve mounting screws 23 6 to 27 4 N m 2 4 to 2 8 kgf m 17 4 to 20 2 ft lbs 1 Position Control Valve 1 Nut 1 2 Set Screw 3 Plate 1 4 Washer 5...

Page 345: ...dback rod Set screw 3 1 Set the dimension b between the plate 1 4 and the valve body to 16 0 mm 0 63 in 2 Turn and adjust the set screw 3 so that the clearance c between the set screw 3 and the poppet...

Page 346: ...rea of the interior surface of the housing replace at pump assembly 3 Measure the housing I D where the interior surface is not scratched and measure the housing I D where the interior surface is scra...

Page 347: ...he interior surface of the housing replace at pump assembly 3 Measure the housing I D where the interior surface is not scratched and measure the housing I D where the interior surface is scratched 4...

Page 348: ...Bore 1 Check the cylinder internal surface for scoring or damage 2 Measure the cylinder I D with a cylinder gauge 3 If the measurement exceeds the allowable limit replace W1026023 Clearance between b...

Page 349: ...d See page G 6 to test the operating pressure of the cylinder safety valve W1029814 Clearance between hydraulic arm shaft and bushing Factory spec Right 0 125 to 0 230 mm 0 0049 to 0 0091 in Left 0 12...

Page 350: ...9 ELECTRICAL SYSTEM KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 351: ...CONTENTS MECHANISM 1 WIRING DIAGRAM 9 M1 2 OPERATOR PRESENCE CONTROL 9 M3 KiSC issued 08 2007 A Tractor Manuals Scotland Please Do Not Copy Tractor Manuals Scotland...

Page 352: ...23W Hazard Turn Signal Light L H Hazard Turn Signal Light L H Tail Light L H 36 54 0 5B 66 0 5B Tail Light R H Hazard Turn Signal Light R H Hazard Turn Signal Light R H 27W 50 33 1 25B 56 19 8W 71 0 5...

Page 353: ...0 5F Br 0 85 LG 0 5 B 0 5 G R 0 5 G R 0 5 W 0 5F O 0 5 G 0 5F Br 0 5 G R 0 5 G W 0 85 R W 0 85 R W 3 B R 3 B W 3 R W 3 R 0 5 R 0 5 R W 0 5 G W 0 5 B 0 85 Y G 0 85 Lg 0 5 B 0 5 B W 0 5 R L 0 85 L 0 5 R...

Page 354: ...med with the lever switches 4 5 3 When standing from the seat while shifting the levers the circuit from the battery to the key stop solenoid relay is cut and the engine is stopped by function of key...

Page 355: ...9 S13 6 Glow Control System 9 S14 7 Engine Stop Solenoid 9 S15 8 Charging System 9 S16 9 Combination Switch 9 S18 10 Lighting Switch 9 S1 11 Turn Signal Switch 9 S20 12 Hazard Switch 9 S20 13 Hazard...

Page 356: ...or replace 9 S23 to S25 Wiring harness disconnected or improperly connected between battery positive terminal and regulator B terminal Repair or replace Cooling fan belt slipping Adjust tension Starte...

Page 357: ...Not Light Fuse blown 15 A Replace G 39 Bulb blown Replace G 39 Wiring harness disconnected or improperly connected between main switch AC terminal and combination switch B1 terminal between combinati...

Page 358: ...zard and Turn Signal Light Does Not Go ON and OFF Flasher unit defective Replace 9 S21 Work Light Does Not Light Fuse blown 10 A Replace G 39 Bulb blown Replace G 39 Wiring harness disconnected or imp...

Page 359: ...el sensor Repair or replace Circuit in panel board defective Replace Coolant Temperature Gauge Does Not Function Coolant temperature gauge defective Replace 9 S21 Coolant temperature sensor defective...

Page 360: ...Commutator O D 29 0 mm 1 14 in 28 0 mm 1 10 in Mica Undercut 0 50 to 0 80 mm 0 019 to 0 031 in 0 20 mm 0 008 in Brush Length 16 0 mm 0 63 in 12 mm 0 47 in Brush Length 10 5 mm 0 413 in 8 4 mm 0 331 in...

Page 361: ...elow are especially specified For general use screws bolts and nuts See page G 9 W1012736 Item N m kgf m ft lbs Alternator pulley nut 58 3 to 78 9 5 95 to 8 05 43 0 to 58 2 Starter terminal nut 5 9 to...

Page 362: ...tor and regulator may result 1 CHECKING AND ADJUSTING 1 Battery Battery Voltage 1 Stop the engine and turn the main switch off 2 Connect the COM lead of the voltmeter to the battery s negative termina...

Page 363: ...eading must be taken at the highest electrolyte level Reference Specific gravity slightly varies with temperature To be exact the specific gravity decreases by 0 0007 with an increase of 1 C 0 0004 wi...

Page 364: ...the AC terminal 3 If 0 ohm is not indicated the B AC contacts of the main switch are faulty W1024636 Main Switch Key at START Position 1 Turn and hold the main switch key at the START position 2 Measu...

Page 365: ...h Safety Switch Continuity Manual Transmission Type 1 Remove the safety switch leads 2 Connect the circuit tester to the safety switch leads 3 Measure the resistance between leads 4 If the safety swit...

Page 366: ...indicated switch is faulty W1035966 4 Operator Presence Control Checking System 1 Sit on operator s seat 2 Set the parking brake and stop the engine 3 Shift the range gear shift lever to NEUTRAL posi...

Page 367: ...ds across the battery negative terminal and the timer 2 terminal and across the battery negative terminal and the bulb terminal 4 Connect jumper leads across the timer 1 terminal and the bulb terminal...

Page 368: ...r housing and the battery negative terminal post 7 If the motor does not run check the motor W1014267 Magnetic Switch Test 1 Disconnect the battery negative cable from the battery 2 Disconnect the bat...

Page 369: ...terminal and the chassis 4 If the voltage at either position differs from the battery voltage the wiring harness or main switch is faulty W1025885 Glow Plug Continuity 1 Disconnect the lead from the...

Page 370: ...Stop Solenoid Coil 1 Disconnect the 2P connector from engine stop solenoid 2 Measure the resistance between the terminal 1 terminal 2 of engine stop solenoid and body 3 If resistance differs from the...

Page 371: ...e the voltage across the terminal 1 Positive and chassis Negative 7 If the voltage differs from the battery voltage the wiring harness is faulty W1056501 8 Charging System Alternator 1 Disconnect the...

Page 372: ...If the measurement is less than the factory specification disassemble the alternator and check the IC regulator Reference Once the engine has started the alternator temperature rises quickly up to an...

Page 373: ...witch is OFF position 3 If the voltage differs from the battery voltage the wiring harness is faulty 4 Measure the voltage with a voltmeter across the connector B2 terminal and chassis when the main s...

Page 374: ...erminal 2 If 0 ohm is not indicated renew the head light switch W1052500 Head Light Switch Continuity when Setting Switch at ON2 Position 1 Measure the resistance with an ohmmeter across the B1 termin...

Page 375: ...ohmmeter across the a terminal and c terminal and across the d terminal and e terminal 2 If the measurement is not same as below the hazard switch or the bulb are faulty W1055122 Voltage Main switch a...

Page 376: ...ot indicated the sensor is faulty W102625330 15 Coolant Temperature Sensor Coolant Temperature Sensor Continuity 1 Measure the resistance across the sensor terminal and the chassis 2 If the measuremen...

Page 377: ...witch 1 Remove the drive end frame 1 mounting screws 2 Take out the overrunning clutch 2 ball 3 spring 4 gears 5 rollers 6 and retainer 7 When reassembling Apply grease to the gear teeth of the gears...

Page 378: ...d cover screws and the B terminal nut and remove the rear end cover W10189820 Brush Holder 1 Unscrew the two screws holding the brush holder and remove the brush holder 1 W10190540 IC Regulator 1 Unsc...

Page 379: ...move the rear end frame 1 W10192740 Rotor 1 Press out the rotor 1 from drive end frame 3 IMPORTANT Take special care not to drop the rotor and damage the slip ring or fan etc W10194380 Retainer Plate...

Page 380: ...rrunning Clutch 1 Inspect the pinion for wear or damage 2 If there is any defect replace the overrunning clutch assembly 3 Check that the pinion turns freely and smoothly in the overrunning direction...

Page 381: ...mfer the segment edges W10170920 Brush Wear 1 If the contact face of the brush is dirty or dusty clean it with emery paper 2 Measure the brush length A with vernier calipers 3 If the length is less th...

Page 382: ...e continuity across the segments of the commutator with an ohmmeter 4 If it does not conduct replace the armature W10177670 Field Coil 1 Check the continuity across the lead 1 and brush 2 with an ohmm...

Page 383: ...the slip rings with an ohmmeter 2 If the resistance is not the factory specification replace it 3 Check the continuity across the slip ring and core with an ohmmeter 4 If infinity is not indicated rep...

Page 384: ...ier NOTE Do not use an auto digital multimeter Because it s very hard to check the continuity of rectifier by using it W10204520 IC Regulator 1 Check the continuity across the B terminal and the F ter...

Page 385: ...93 2004 02 S EI EI e EDITOR KUBOTA FARM INDUSTRIAL MACHINERY SERVICE LTD 64 ISHIZU KITAMACHI SAKAI KU SAKAI CITY OSAKA 590 0823 JAPAN PHONE 81 72 241 1129 FAX 81 72 245 2484 E mail ksos pub kubota co...

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