Kubota WSM L3560 Workshop Manual Download Page 403

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TRANSMISSION

L3560, L4060, L4760, L5060, L5460, L6060, WSM

3-S84

Separating Mid Case and Transmission Case

1. Separate the mid case and transmission case after removing

their mounting screws.

(When reassembling)

• Make sure to insert the PTO shaft to PTO clutch firmly, turning

the PTO shaft.

• Apply liquid gasket (Three Bond 1208C or equivalent) to joint

face of the mid case and transmission case.

9Y1210824TRS0061US0

Separating Mid Case

1. Lift up the shuttle shift arm (1).

2. Separate the mid case (4) from the clutch housing (3) after

removing their mounting screws.

(When reassembling)

• Apply liquid gasket (Three Bond 1208C or equivalent) to joint

face of clutch housing (3) and mid case (4).

• Make sure to apply liquid gasket to elongated grooves (5) on the

mid case face and to those on the lower side of the clutch

housing face.

• When reassembling the shuttle shift arm (1) to the shuttle fork

rod (2), be sure to install it to the groove

"A"

9Y1210824TRS0062US0

Tightening torque

Mid case and transmission

case mounting screw

78 to 90 N·m

7.9 to 9.2 kgf·m

58 to 66 lbf·ft

Mid case and transmission

case mounting nut

103 to 117 N·m

10.5 to 12.0 kgf·m

76.0 to 86.7 lbf·ft

Tightening torque

Clutch housing and mid

case mounting screw

78 to 90 N·m

7.9 to 9.2 kgf·m

58 to 66 lbf·ft

Clutch housing and mid

case mounting nut

103 to 117 N·m

10.5 to 12.0 kgf·m

76.0 to 86.7 lbf·ft

(1) Shuttle Shift Arm

(2) Shuttle Fork Rod

(3) Clutch Housing

(4) Mid Case

(5) Elongated Groove

A: Fork Rod Groove

KiSC issued 03, 2016 A

Summary of Contents for WSM L3560

Page 1: ...L3560 L4060 L4760 L5060 L5460 L6060 WORKSHOP MANUAL TRACTOR KiSC issued 03 2016 A...

Page 2: ...on of the Workshop Manual Code No 9Y021 01870 9Y021 18200 for the diesel engine tractor mechanism that this workshop manual does not include Servicing This section contains information below Troublesh...

Page 3: ...9 Oil Separator 1 M31 Valve Clearance 1 S13 Opening temperature of Thermostat Valve 1 S16 Filter Comp DPF If necessary 1 S20 Judgment of Reuse of Filter Comp DPF After Cleaning by Cleaning Contractor...

Page 4: ...Suction Control Valve 9 S76 7 Crankshaft Position Sensor 9 S81 11 Exhaust Temperature Sensor 9 S85 2 2016 03 Maintenance interval was improved G 13 to G 49 CCV heater equipped model was introduced Ass...

Page 5: ...I INFORMATION KiSC issued 03 2016 A...

Page 6: ...Y DECALS I 4 3 SPECIFICATIONS I 10 1 MANUAL TRANSMISSION I 10 2 GST I 11 3 HST I 12 4 HST with CABIN TYPE I 14 4 TRAVELING SPEEDS I 16 1 MANUAL TRANSMISSION I 16 2 GST I 17 3 HST I 19 5 DIMENSIONS I 2...

Page 7: ...sitions or in disengaged positions Do not start the engine when you stay on the ground Start the engine only from operator s seat M00000002INI0001US1 SAFETY FIRST This symbol the industry s Safety Ale...

Page 8: ...sure before you disconnect hydraulic or fuel lines Tighten all connections before you apply the pressure Do not open a fuel system under high pressure The fluid under high pressure that stays in fuel...

Page 9: ...tion regulations when you discard oil fuel coolant electrolyte and other dangerous waste WSM000001INI0007US0 PREVENT ACID BURNS Keep electrolyte away from your eyes hands and clothing Sulfuric acid in...

Page 10: ...SAFETY DECALS The following safety decals 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 WSM00...

Page 11: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 5 9Y1210824INI0002US0 KiSC issued 03 2016 A...

Page 12: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 6 9Y1210824INI0003US0 KiSC issued 03 2016 A...

Page 13: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 7 9Y1210824INI0004US0 KiSC issued 03 2016 A...

Page 14: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 8 9Y1210824INI0005US0 KiSC issued 03 2016 A...

Page 15: ...and water dry with a soft cloth 3 Replace damaged or missing danger warning and caution labels with new labels 4 If a component with danger warning and caution label s affixed is replace with new part...

Page 16: ...Imp gals Dimensions Overall length without 3p 2920 mm 115 0 in 3085 mm 121 5 in Overall width min tread 1520 mm 59 8 in 1690 mm 66 5 in Overall height with ROPS 2470 mm 97 2 in 2480 mm 97 6 in Wheel b...

Page 17: ...mp gals Dimensions Overall length without 3p 2920 mm 115 0 in 3085 mm 121 5 in 3210 mm 126 4 in Overall width min tread 1520 mm 59 8 in 1690 mm 66 5 in 1710 mm 67 3 in Overall height with ROPS 2470 mm...

Page 18: ...7 2 Imp qts 9 4 L 9 9 U S qts 8 3 Imp qts Engine coolant 7 5 L 7 9 U S qts 6 6 Imp qts 8 2 L 8 7 U S qts 7 2 Imp qts Transmission case 42 L 11 1 U S gals 9 24 Imp gals 43 L 11 4 U S gals 9 46 Imp gals...

Page 19: ...mp gals 35 6 L 9 4 U S gals 7 8 Imp gals Three point hitch SAE category 1 SAE category 1 2 Max lift force At lift points 1700 kg 3750 lbs 1750 kg 3860 lbs 24 in behind lift points 1200 kg 2650 lbs 125...

Page 20: ...8 7 U S qts 7 2 Imp qts 9 4 L 9 9 U S qts 8 3 Imp qts Engine coolant 7 5 L 7 9 U S qts 6 6 Imp qts 8 2 L 8 7 U S qts 7 2 Imp qts Transmission case 42 L 11 1 U S gals 9 24 Imp gals 43 L 11 4 U S gals...

Page 21: ...ry 1 2 Max lift force At lift points 1700 kg 3750 lbs 1750 kg 3860 lbs 24 in behind lift points 1200 kg 2650 lbs 1250 kg 2760 lbs 1350 kg 2980 lbs System pressure 17 7 MPa 180 kgf cm2 2560 psi PTO Rea...

Page 22: ...57 0 35 High 1 0 88 0 55 0 85 0 53 2 1 24 0 77 1 20 0 75 3 2 02 1 26 1 95 1 21 4 2 98 1 85 2 88 1 79 OFF Low 1 1 6 1 0 1 5 0 9 2 2 3 1 4 2 1 1 3 3 3 7 2 3 3 5 2 2 4 5 4 3 4 5 1 3 2 High 1 7 8 4 8 7 6...

Page 23: ...4 0 40 0 25 5 0 51 0 32 0 47 0 29 0 49 0 30 6 0 61 0 38 0 57 0 35 0 59 0 37 7 0 73 0 45 0 71 0 44 0 73 0 45 8 0 88 0 55 0 85 0 53 0 86 0 55 9 1 03 0 64 1 00 0 62 1 03 0 64 10 1 24 0 77 1 20 0 75 1 24...

Page 24: ...everse ON 1 0 17 0 11 0 16 0 10 0 17 0 11 2 0 24 0 15 0 23 0 14 0 23 0 14 3 0 39 0 24 0 37 0 23 0 38 0 24 4 0 58 0 36 0 55 0 34 0 56 0 35 5 0 84 0 52 0 81 0 50 0 84 0 52 6 1 19 0 74 1 15 0 71 1 18 0 7...

Page 25: ...control pedal H DS Hydro Dual Speed lever Range gear shift lever km h mph Forward L L 3 4 2 1 3 4 2 1 3 4 2 1 M 6 9 4 3 7 0 4 4 7 0 4 4 H 15 9 9 9 16 2 10 1 16 2 10 1 H L 5 6 3 5 5 7 3 5 5 8 3 6 M 11...

Page 26: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 20 5 DIMENSIONS ROPS Type 9Y1210824INI0015US0 KiSC issued 03 2016 A...

Page 27: ...INFORMATION L3560 L4060 L4760 L5060 L5460 L6060 WSM I 21 CABIN Type 9Y1210824INI0016US0 KiSC issued 03 2016 A...

Page 28: ...G GENERAL KiSC issued 03 2016 A...

Page 29: ...IAL 50 HOURS G 21 3 CHECK POINTS OF EVERY 50 HOURS G 23 4 CHECK POINTS OF EVERY 100 HOURS G 26 5 CHECK POINTS OF EVERY 200 HOURS G 29 6 CHECK POINTS OF EVERY 400 HOURS G 30 7 CHECK POINT OF EVERY 600...

Page 30: ...ibutor always specify engine serial number tractor serial number and hour meter reading 9Y1210824GEG0001US0 1 Tractor Identification Plate 2 ROPS Identification Plate ROPS Serial Number 3 CABIN Identi...

Page 31: ...ult in emission levels out of compliance with the original E4B design and EPA or other applicable regulations Please refer to the emission label located on the engine head cover to identify Output cla...

Page 32: ...ting spring pins their splits must face the direction from which a force is applied See the figure on the left side To prevent damage to the hydraulic system use only specified fluid or equivalent Cle...

Page 33: ...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 first WSM000001GEG...

Page 34: ...p wiring so that there is no twist unnecessary sag or excessive tension except for movable part where sag be required WSM000001GEG0068US0 In installing a part be careful not to get wiring caught by it...

Page 35: ...ater immediately Before you recharge the battery remove it from the machine Before you recharge remove cell caps Recharge in a well ventilated place where there is no open flame nearby as hydrogen gas...

Page 36: ...hat there is no female connector being too open WSM000001GEG0076US0 Make sure that plastic cover is large enough to cover whole connector WSM000001GEG0077US0 5 CIRCUIT TESTER Use tester correctly foll...

Page 37: ...or codes This symbol of shows color with stripe s An example Red stripe on white color W R WSM000001GEG0079US0 Color of wiring Color code Black B Brown Br Green G Gray Gy or Gr Blue L Light Green Lg O...

Page 38: ...Imp qts 9 4 L 9 9 U S qts 8 3 Imp qts Engine oil Refer to next page Above 25 C 77 F SAE30 SAE10W 30 or 15W 40 10 to 25 C 14 to 77 F SAE20 SAE10W 30 or 15W 40 Below 10 C 14 F SAE10W 30 4 Transmission...

Page 39: ...0 C 4 F or elevations above 1500 m 5000 ft Diesel fuels specified to EN 590 or ASTM D975 are recommended No 2 D is a distillate fuel of lower volatility for engines in industrial and heavy mobile serv...

Page 40: ...4 0 to 4 6 29 to 33 32 to 34 3 2 to 3 5 24 to 25 48 to 55 4 9 to 5 7 36 to 41 40 to 44 4 0 to 4 5 29 to 32 61 to 70 6 2 to 7 2 45 to 52 M12 63 to 72 6 4 to 7 4 47 to 53 78 to 90 7 9 to 9 2 58 to 66 6...

Page 41: ...to 1 60 8 63 to 11 5 16 3 to 19 7 1 67 to 2 00 12 0 to 14 6 5 16 23 1 to 27 7 2 36 to 2 82 17 0 to 20 5 33 to 39 3 4 to 3 9 25 to 28 3 8 48 to 56 4 9 to 5 7 36 to 41 61 to 73 6 3 to 7 4 45 to 53 1 2 1...

Page 42: ...Adjust every 200 Hr G 29 11 Engine oil Change every 400 Hr G 21 12 Engine oil filter Replace every 400 Hr G 22 13 Hydraulic oil filter Replace every 400 Hr G 31 14 Transmission fluid Change every 400...

Page 43: ...r G 43 5 Replace every 4 years G 43 5 37 Lift cylinder hose Check every 1 year G 43 5 Replace every 4 years G 43 5 38 DPF differential pressure sensor pipe Check every 1 year G 38 39 EGR pipe Check ev...

Page 44: ...t 50 hours of operation 1 Air cleaner should be cleaned more often in dusty conditions than in normal conditions 2 Every year or every 6 times of cleaning 3 Replace only if necessary 4 When the batter...

Page 45: ...US0 Checking and Refueling CAUTION Do not smoke while refueling Be sure to stop the engine before refueling 1 Turn the key switch to ON check the amount of fuel by fuel gauge 2 Fill fuel tank when fue...

Page 46: ...etween the two notches If the level is too low add new oil to the prescribed level at the oil inlet Refer to 4 LUBRICANTS FUEL AND COOLANT on page G 9 IMPORTANT When using an oil of different maker or...

Page 47: ...the caution above and securely retighten the cap Use clean fresh water and anti freeze to fill the recovery tank 9Y1210824GEG0015US0 Checking Dust Indicator L3560 There is a dust indicator on the air...

Page 48: ...to allow good air intake for the air cleaner 9Y1210824GEG0018US0 Cleaning Air Conditioner Condenser Screen Cabin Type CAUTION Be sure to stop the engine before removing the screen The condenser and re...

Page 49: ...it the cotter pin 9Y1210824GEG0021US0 Checking Brake Pedal Free Travel CAUTION Stop the engine and chock the wheels before checking brake pedal 1 Release the parking brake 2 Slightly depress the brake...

Page 50: ...Free Travel GST Manual Transmission 1 See page G 20 9Y1210824GEG0027US0 Changing Engine Oil CAUTION Be sure to stop the engine before changing the oil Allow engine to cool down sufficiently oil can be...

Page 51: ...before changing the oil filter cartridge Allow engine to cool down sufficiently oil can be hot and can burn 1 Remove the drain plugs at the bottom of the transmission case and drain the oil completely...

Page 52: ...crank Test Switch for the PTO clutch control switch or lever 1 Sit on the operator s seat 2 Engage the PTO clutch control switch or lever 3 Depress the clutch pedal fully 4 Shift the shuttle shift le...

Page 53: ...ff after approximately 1 second 9Y1210824GEG0032US0 Checking Wheel Mounting Screws and Nuts Tightening Torque CAUTION Never operate tractor with a loose rim wheel or axle Any time bolts and nuts are l...

Page 54: ...to forward front axle support remove the breather plug and apply a grease until grease overflows from breather plug port After greasing reinstall the breather plug 9Y1210824GEG0036US0 1 Grease Fittin...

Page 55: ...yes hands and clothes If you are spattered with it wash it away completely with water immediately and get medical attention Keep open sparks and flames away from the battery at all times Hydrogen gas...

Page 56: ...e standard fashion 2 A boost charge is only for emergencies 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 b...

Page 57: ...d dry it naturally After element is fully dried inspect inside of the element with a light and check if it is damaged or not 3 Replace air cleaner primary element Once yearly or after every six times...

Page 58: ...nt is adjusted to the same length 9Y1210824GEG0045US0 Adjusting Air Conditioner Belt Tension Cabin Type CAUTION Be sure to stop the engine before checking belt tension 1 Stop the engine and remove the...

Page 59: ...may enter into the air conditioner which may cause damage and malfunction NOTE If the filter is very dirty Dip the filter in lukewarm water with mild dish washing detergent Move it up and down as wel...

Page 60: ...OTA SUPER UDT fluid up to the upper notch on the dipstick Refer to 4 LUBRICANTS FUEL AND COOLANT on page G 9 8 After running the engine for a few minutes stop the engine and check the oil level again...

Page 61: ...vehicle a few minutes in order for the oil to flow through the font axle case 6 Remove the oil level check plug and check to see if the oil flows out of its port If not add the oil through the filling...

Page 62: ...44 9Y1210824GEG0059US0 7 CHECK POINT OF EVERY 600 HOURS Adjust Front Axle Pivot If the front axle pivot pin adjustment is not correct front wheel vibration can occur causing vibration in the steering...

Page 63: ...ng EGR Cooler See page 1 S17 9Y1210824GEG0065US0 10 CHECK POINTS OF EVERY 3000 HOURS Checking and Cleaning EGR System 1 Perform an EGR actuation test 2 Based on test results check that the EGR valve g...

Page 64: ...nifold 3 If you find a gas leakage tighten the mounting screw again or replace the gasket with a new one 4 If you find a loose mounting screw tighten the mounting screw again 9Y1210824GEG0071US0 12 CH...

Page 65: ...or damaged replace or repair them at once 9Y1210824GEG0049US0 Checking Power Steering Oil Line 1 Check to see that all lines and hose clamps are tight and not damaged 2 If hoses and clamps are found...

Page 66: ...keep the engine unloaded idling 2 Don t stop the engine suddenly but stop it after about 5 minutes of unloaded idling 3 Keep yourself well away from the machine for further 10 minutes or while the st...

Page 67: ...to the specified torque 5 Check the DPF differential pressure sensor hose 1 for crack gas leakage 6 If you find a crack or gas leakage change the DPF differential pressure sensor hose 1 NOTE When you...

Page 68: ...on 1 Check the isolation cushion 1 for any breakage or fatigue 2 Replace them if they have deteriorated 9Y1210824GEG0075US0 Checking Antifrost Heater for Oil Separator If Equipped 1 See page 9 S90 9Y1...

Page 69: ...ne remove the key and let cool 10 Check coolant level of recovery tank and add coolant if necessary 11 Properly dispose of used coolant IMPORTANT Do not start engine without coolant Use clean coolant...

Page 70: ...ot pour waste onto the grounds down a drain or into any water source Also observe the relevant environmental protection regulations when disposing of antifreeze Always use a 50 50 mix of long life coo...

Page 71: ...ge may build up adversely affecting the engine parts 7 Kubota s genuine long life coolant has a service life of 2 years Be sure to change the coolant every 2 years NOTE The above data represent indust...

Page 72: ...T Oil Line and Power Steering Oil Line See page G 36 9Y1210824GEG0079US0 Replacing Radiator Hose Water Pipes 1 Replace the hoses and clamps Refer to Checking Radiator Hose and Hose Clamp See page G 37...

Page 73: ...not start try it several times at 30 second intervals IMPORTANT Do not hold key switch at engine start position for more than 10 seconds continuously If more engine cranking is needed try again after...

Page 74: ...ected Circuit CCV Heater Fuse If Equipped 9Y1210824GEG0090US0 Fuse No Capacity A Protected circuit ROPS CABIN 1 5 Meter Battery 2 15 Hazard 20 Hazard 3 5 Transmission controller Battery 4 10 Radio Bat...

Page 75: ...9Y1210824GEG0091US0 Replacing Light Bulb 9Y1210824GEG0092US0 No Capacity A Protected circuit 1 150 Alternator 2 100 80 Main 3 60 Battery CABIN Model 4 60 Key Switch 5 50 Glow 6 40 Defogger CABIN Model...

Page 76: ...side work light assembly in the reverse order Head lamp 1 While pushing the right and left lock buttons pull and remove the electrical connector 2 Remove the rubber boot 3 Remove the clamping fixture...

Page 77: ...rcuit IMPORTANT Charge only with R134a not R12 refrigerant gas 9Y1210824GEG0096US0 Replacing Radiator Hose Water Pipes 1 Replace if any deterioration crack hardening scar of deformation or damage occu...

Page 78: ...n crack hardening scar of deformation or damage occurred Refer to Checking HST Oil Line and Power Steering Line See page G 37 9Y1210824GEG0141US0 Replacing Oil Separator Hose 1 Replace if any deterior...

Page 79: ...he piston with piston rings into the cylinder WSM000001GEG0012US0 Piston Ring Tool Code No 07909 32121 Application Use exclusively to remove or install the piston ring with ease WSM000001GEG0013US0 Di...

Page 80: ...00001GEG0016US0 Radiator Tester Code No 07909 31551 Application Use to check of radiator cap pressure and leaks from cooling system Remarks Adaptor 1 BANZAI Code No RCT 2A 30S WSM000001GEG0017US0 Conn...

Page 81: ...Red Check Code No 07909 31371 Application Use to check cracks on cylinder head cylinder block etc WSM000001GEG0023US0 Socket Wrench for Crank Pulley Nut 46 mm Deep Socket Wrench Application Use to lo...

Page 82: ...To be continued A 80 0 mm 3 15 in B 60 10 to 60 30 mm 2 367 to 2 374 in C 80 0 mm dia 3 15 in dia D 85 0 mm dia 3 35 in dia E 60 10 to 60 30 mm dia 2 367 to 2 374 in dia F 26 30 to 26 40 mm 1 036 to...

Page 83: ...42 to 3 143 in dia V 10 0 mm 0 394 in W 0 04 mm dia 0 002 in dia X 140 mm 5 51 in Y 120 mm 4 72 in Z 110 mm 4 33 in a 50 0 mm 1 97 in b 39 90 to 40 00 mm 1 571 to 1 574 in c 25 0 mm 0 984 in d 90 0 mm...

Page 84: ...0 299 in dia G 25 mm dia 0 98 in dia H 7 70 to 8 00 mm dia 0 304 to 0 314 in dia I 5 mm 0 2 in J 20 mm dia 0 79 in dia K 13 5 to 13 8 mm dia 0 532 to 0 543 in dia L 8 90 to 9 10 mm 0 351 to 0 358 in C...

Page 85: ...40 mm radius 1 6 in radius D 10 mm 0 39 in E 20 mm 0 79 in F 20 mm dia 0 79 in dia G 64 80 to 64 90 mm dia 2 552 to 2 555 in dia H 59 80 to 59 90 mm dia 2 355 to 2 358 in dia A 130 mm 5 12 in B 72 mm...

Page 86: ...in N 21 947 to 21 960 mm dia 0 86406 to 0 86456 in dia D 25 mm dia 0 98 in dia O 36 mm 1 4 in E 46 950 to 46 975 mm dia 1 8485 to 1 8494 in dia P 5 mm 0 2 in F 0 52 rad 30 Q 29 0 mm 1 14 in G 43 934 t...

Page 87: ...m dia 2 4 in dia S 36 mm 1 4 in F 10 mm 0 39 in T 60 mm dia 2 4 in dia G 0 52 rad 30 U 46 950 to 46 975 mm dia 1 8485 to 1 8494 in dia H 21 947 to 21 960 mm dia 0 86406 to 0 86456 in dia V 44 950 to 4...

Page 88: ...tects and position the sensor in top dead center position 9Y1210824GEG0132US0 A 60 mm 2 4 in B 45 mm 1 8 in C 37 3 mm 1 47 in D 3 5 mm 1 4 in E 12 mm dia 0 47 in dia F 10 mm dia 0 39 in dia G 20 34 to...

Page 89: ...ia 1 260 to 1 261 in dia M 31 950 to 31 975 mm dia 1 2579 to 1 2588 in dia C 116 mm dia 4 57 in dia N 22 mm dia 0 87 in dia D 3 mm dia 0 1 in dia O 145 mm dia 5 71 in dia E 88 mm 3 5 in P 90 mm 3 5 in...

Page 90: ...in D 10 8 to 11 2 mm 0 426 to 0 440 in E 40 mm 1 6 in F 20 mm 0 79 in G 39 mm 1 5 in H 20 mm Hole 0 79 in Hole I 8 50 to 8 80 mm Drilled hole 0 335 to 0 346 in Drilled hole J 20 mm Spot faced hole 1 m...

Page 91: ...G 71 mm 2 8 in H 10 mm 0 39 in I 85 mm 3 3 in J 0 52 rad 30 K 9 0 mm 0 35 in L 120 mm 4 72 in M 10 mm 0 39 in N 139 mm 5 12 in O 10 mm 0 39 in P 44 7 to 45 3 mm 1 76 to 1 78 in Q 10 mm 0 39 in R 65 mm...

Page 92: ...US0 Injector CH3 Code No 07916 52501 Application Use to put calcium chloride solution into a rear wheel and to remove it WSM000001GEG0031US0 Clutch Center Tool For B and L Series Tractors Code No 0791...

Page 93: ...e for test of the hydraulic system WSM000001GEG0037US0 Power Steering Adaptor Code No 07916 54021 Application Use to measure the relief valve setting pressure for power steering WSM000001GEG0038US0 1...

Page 94: ...ve and tighten a rear axle nut WSM000001GEG0040US0 Relief Valve Setting Pressure Adaptor G Code No 07916 52751 Application This allows easy measurement of relief valve setting pressure from the hydrau...

Page 95: ...n B 350 mm 13 78 in C 6 mm 0 24 in D 90 mm 3 54 in E 10 mm 0 39 in F 40 mm 1 57 in G 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...

Page 96: ...draft control NOTE The special tool is not available so make it Refer to the figure 9Y1210824GEG0111US0 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...

Page 97: ...the figure Reference From size A to size R are same size as adaptor 61 9Y1210824GEG0116US0 A 22 mm 0 872 in K 135 mm 5 31 in B 11 mm 0 437 in L 7 mm dia 0 28 in dia C 24 mm dia 0 94 in dia M 8 5 mm d...

Page 98: ...10 mm dia 0 39 in dia B 40 mm 1 58 in O 7 5 mm dia 0 3 in dia C 35 mm 13 8 in P 1 05 rad 60 D 23 0 to 23 3 mm 0 9055 to 0 9713 in Q 3 mm dia 1 18 in dia E 16 mm 0 63 in R 36 mm 1 18 in F 40 mm dia 1 5...

Page 99: ...se to evacuate the air conditioning system WSM000001GEG0044US0 Adaptor For R134a Code No DENSO 95048 10190 AC220V DENSO 95048 10200 AC240V Application Use to evacuate the air conditioning system WSM00...

Page 100: ...tool is not available so make it Refer to the figure 9Y1210824GEG0112US0 A 125 mm 4 92 in H 4 52 rad 120 B 40 mm dia 1 57 in dia I Radius 27 mm Radius 1 06 in C Radius 33 mm Radius 1 30 in J Radius 5...

Page 101: ...ve Adaptor Application Use for measuring the system pressure of shuttle valve NOTE The special tool is not available so make it Refer to the figure 9Y1210824GEG0115US0 A 12 mm 0 47 in E 5 5 mm dia 0 2...

Page 102: ...it naturally drops slowly in the course of time Thus check it everyday and inflate as necessary NOTE Maintain the maximum pressure in front tires if using a front loader or when equipped with a full l...

Page 103: ...s or suitable blocking beforehand Never operate tractor with a loose rim wheel or axle 9Y1210824GEG0119US0 1 Front Wheel Front Wheels with Four Wheel Drive Front tread can not be adjusted IMPORTANT Do...

Page 104: ...ds and thereafter according to service interval See page G 24 9Y1210824GEG0122US0 Models L3560 Tire 7 16 7 2 16 Farm 27 8 50 15 Turf 27 10 50 15 Turf 29 12 50 15 Turf 10 16 5 IND Tread 1115 mm 45 5 in...

Page 105: ...60 13 6 28 Farm 1220 mm 48 0 in 1330 mm 52 4 in 1425 mm 56 1 in 1530 mm 60 2 in L5060 L5460 L6060 14 9 26 Farm 1325 mm 52 2 in 1430 mm 56 3 in L5060 L5460 L6060 17 5L 24 IND 1360 mm 53 5 in 1395 mm 54...

Page 106: ...alcium chloride solution do not pour water over calcium chloride since this results in chemical reaction which will cause high temperature Instead add a small amount of calcium chloride to the water a...

Page 107: ...130 kg 285 lbs 195 kg 430 lbs 205 kg 450 lbs Slush free at 24 C 11 F Solid at 47 C 53 F Approx 1 5 kg 3 5 lbs CaCl2 per 4 L 1 gal of water 135 kg 295 lbs 205 kg 450 lbs 215 kg 475 lbs Slush free at 47...

Page 108: ...bottom 3 Remove the air valve and drain 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...

Page 109: ...depending on soil operating conditions 9Y1210824GEG0129US0 Tread max width Lower link end max loading weight W0 Front Rear L3560 1155 mm 45 5 in 1480 mm 58 3 in 1700 kg 3750 lbs L4060 1530 mm 60 2 in...

Page 110: ...880 lbs 7 Chisel Plow Max Width 1829 mm 72 in Max Weight 350 kg 770 lbs 8 Broad Caster Max Tank capacity 250 L 66 U S gals 55 Imp gals 300 L 80 U S gals 66 Imp gals Max Weight 100 kg 220 lbs 9 Manure...

Page 111: ...GENERAL L3560 L4060 L4760 L5060 L5460 L6060 WSM G 82 NOTE Implement size may vary depending on soil operating conditions 9Y1210824GEG0130US0 KiSC issued 03 2016 A...

Page 112: ...h 1981 mm 78 in 2134 mm 84 in Max Weight 400 kg 880 lbs 7 Chisel Plow Max Width 1829 mm 72 in Max Weight 350 kg 770 lbs 8 Broad Caster Max Tank capacity 300 L 80 U S gals 66 Imp gals Max Weight 100 kg...

Page 113: ...GENERAL L3560 L4060 L4760 L5060 L5460 L6060 WSM G 84 NOTE Implement size may vary depending on soil operating conditions 9Y1210824GEG0131US0 KiSC issued 03 2016 A...

Page 114: ...1 ENGINE KiSC issued 03 2016 A...

Page 115: ...ENGINE CONTROL SYSTEM 1 M17 1 Engine ECU 1 M18 2 Sensor 1 M18 6 EGR SYSTEM 1 M21 1 OVERVIEW 1 M21 2 EGR COOLER 1 M22 3 EGR VALVE 1 M22 4 REED VALVE 1 M22 7 AFTER TREATMENT SYSTEM 1 M23 1 AFTER TREATME...

Page 116: ...The engine models shown in the table below are adopted in the L60 series tractor 9Y1210824ENM0001US0 Tractor Model Engine Model L3560 D1803 CR E4 L4060 V2403 CR E4 L4760 V2403 CR E4 L5060 V2403 CR TE...

Page 117: ...m disulfide 1 is a solid lubricant like Graphite or Teflon This material helps not to wear the metal even with little lube oil 9Y1210824ENM0002US0 2 HALF FLOATING HEAD COVER The rubber packing is atta...

Page 118: ...ooler to keep the temperature of the oil from rising while the engine is operating and provide it with proper lubrication The oil flows on the inside of the cooler plate and is cooled by the coolant f...

Page 119: ...is fixed pellet 5 goes down and valve 2 goes down There is a jiggle valve 1 on the top depending on the specification When you put coolant and thermostat is closed coolant can not go in easily because...

Page 120: ...tays closed and coolant circulates inside the engine via the bypass pipe When the temperature of the coolant exceeds the opening temperature of the thermostat 4 the thermostat opens in three stages se...

Page 121: ...ased on signals from each sensor 15 and instructions sent by CAN communication 19 from the main ECU 20 on the tractor Therefore fuel is injected under optimal conditions at all times enabling suppress...

Page 122: ...can be visually inspected externally Fuel with a low specific weight flows over the top of the cup but passes through the element 5 provided inside enabling filth to be removed from the fuel 9Y121082...

Page 123: ...e 10 opens On the other hand the pressure in the outer chamber 12 is lowered so the suction side check valve 6 opens and discharge side check valve 11 closes During the down stroke the piston is lower...

Page 124: ...sure reference values MPa kgf cm2 At Idling At Rated Speed PF49 25 to 30 MPa 260 to 300 kgf cm2 3700 to 4300 psi 65 to 70 MPa 663 to 713 kgf cm2 9500 to 10000 psi Supply Pump Type Rail pressure refere...

Page 125: ...surizing Part Pump Body The pressurizing part pump body applies pressure to the fuel supplied from the suction control valve has a function of supplying fuel to the rail and is made up of an IO valve...

Page 126: ...l flow is accurately adjusted 9Y1210824ENM0015US0 Zero Delivery Drain The zero delivery drain 1 has a function of preventing fuel flow to the pressurizing part when no fuel is being delivered Though t...

Page 127: ...r The rail pressure sensor is mounted on the rail detects the fuel pressure inside the rail converts this to an electronic signal and sends it to the ECU The rail pressure sensor is made up of a metal...

Page 128: ...d mitigating the effect of the initial burn and reducing NOx oxides of nitrogen and noise The main injection follows with the real burn and in the last stage a diffuse combustion is induced thus reduc...

Page 129: ...and flowing out of fuel from the rail to the control chamber Suction discharge orifice This sets the raise and lower speed of the needle valve through constricting discharge and suctioning of fuel in...

Page 130: ...As a result the needle valve 5 is pushed up based on fuel pressure and fuel injection starts NOTE Longer electrification time of the solenoid leads to increased amount of fuel injected 9Y1210824ENM00...

Page 131: ...ctors During manufacture the QR code is read by a scanner and the correction value is registered in the ECU IMPORTANT In order for the engine ECU to recognize and calibrate injectors if an injector or...

Page 132: ...Pressure Limiter 18 Air Flow Sensor 19 Turbocharger 20 Injector 21 Glow Plug 22 Intake Throttle Valve 23 EGR Valve Motor Lift Sensor 24 Intake Air Pressure Sensor 25 Coolant Temperature Sensor 26 Cra...

Page 133: ...as pilot injections Fuel Mixture Control By conducting a pilot injection the initial fuel mixture is kept to a minimum mitigating the explosive initial combustion and reducing NOx and noise Fuel Pres...

Page 134: ...rature A characteristic of thermistors is that their electrical resistance varies with temperature and this characteristic is used by the different sensors to detect temperature via voltage 9Y1210824E...

Page 135: ...vided to prevent changes to combustion status due to changes in atmospheric pressure At high altitudes air pressure is low and air volume is low making complete combustion difficult etc NOTE Since the...

Page 136: ...st gas that is returned to the intake side hereafter EGR gas is cooled in the EGR cooler 4 adjusted to a suitable flow by an EGR valve motor that is controlled by the engine ECU and is sent to the int...

Page 137: ...temperature rise of the EGR valve 9Y1210824ENM0037US0 EGR Valve Lift Sensor How far the EGR valve is open is detected by a contact type of position sensor that detects the movement of the motor s shaf...

Page 138: ...Temperature T0 10 Temperature Sensor DPF Inlet Exhaust Temperature T1 11 Differential Pressure Sensor DPF Differential Pressure P 12 Temperature Sensor DPF Outlet Exhaust Temperature T2 13 Diesel Oxi...

Page 139: ...s not affected by hot gases emitted out of the DPF muffler during regeneration the Auto Regeneration Mode is advisable Inhibit Mode The tractor has been set to Inhibit Mode by default Even if an amoun...

Page 140: ...No limitation Normal operation Regeneration is not required Level 1 No No limitation Condition for Auto Regeneration is not satisfied and engine speed is low Condition for Auto Regeneration is not sat...

Page 141: ...not be burnt unless the operator performs the regeneration work manually The Regeneration Inhibit mode is effective for work in poorly ventilated work spaces For details of regeneration prohibition re...

Page 142: ...fied and engine speed is low DPF temperature for Auto Regeneration is not satisfied Engine speed is OK Under the Auto Regeneration Level 2 1 Every 5 second Level 2 2 Every 3 second No limitation Condi...

Page 143: ...art Under the preparation for Parked Regeneration Under the Parked Regeneration 3 Every seconds 50 This indication switch to the following if cancel the DPF INHIBIT switch in the state of condition fo...

Page 144: ...and the PM is combusted using a heat source generated using DOC to regenerate the filter 9Y1210824ENM0044US0 Function of Diesel Particulate Filter DPF The Diesel Particulate Filter DPF is a filter to...

Page 145: ...9Y1210824ENM0045US0 Air Flow Sensor The amount of air intake required for control of the EGR valve used to reduce NOx is measured 9Y1210824ENM0046US0 Temperature Sensor This is mounted on the DPF muf...

Page 146: ...F The engine ECU calculates the amount of accumulated PM in the DPF using this signal 9Y1210824ENM0048US0 Oil Separator Removes oil in the blowby gases that pass through the element 1 and the oil is r...

Page 147: ...TING CLUTCH HOUSING AND ENGINE CABIN TYPE 1 S37 6 DISASSEMBLING AND ASSEMBLING 1 S52 1 OUTER PARTS 1 S52 2 CLUTCH ASSEMBLY 1 S52 3 TURBOCHARGER AND EGR 1 S53 4 COMMON RAIL 1 S54 5 CYLINDER HEAD AND VA...

Page 148: ...screw glow plug and nozzle holder 1 S56 1 S57 1 S59 Improper valve timing Correct or replace timing gear 1 S64 Piston ring and cylinder worn out Replace 1 S86 1 S92 Incorrect valve clearance Adjust 1...

Page 149: ...2 Injector damaged Replace 1 S57 Compression leak Examine compression pressure and repair 1 S12 Air cleaner clogged Clean or replace element G 28 Air leakage from compressor discharge side Replace tur...

Page 150: ...valve damaged Repair or replace Breather hose or CCV clogged due to ice Melt the ice in breather hose or CCV or Replace 1 S17 1 S47 Engine Overheated Engine oil insufficient Fill oil prescribed level...

Page 151: ...Head Surface Flatness 0 05 mm 500 mm 0 002 in 19 7 in Valve Recessing Recessing 0 65 to 0 85 mm 0 026 to 0 033 in 1 20 mm 0 0472 in Valve Stem to Valve Guide Valve Stem Valve Guide Clearance O D I D...

Page 152: ...Idle Gear Idle Gear to Cam Gear Idle Gear to Fuel Supply Pump Gear Crank Gear to Oil Pump Gear Idle Gear to Balancer Gear V2403 Only Backlash Backlash Backlash Backlash Backlash Intake side Backlash...

Page 153: ...aft Bearing 1 Clearance O D I D 0 030 to 0 111 mm 0 00119 to 0 00437 in 43 934 to 43 950 mm 1 7297 to 1 7303 in 43 980 to 44 045 mm 1 7315 to 1 7340 in 0 20 mm 0 0079 in Balancer Shaft Journal 2 to Ba...

Page 154: ...20 to 0 40 mm 0 0079 to 0 015 in 0 25 to 0 45 mm 0 0099 to 0 017 in 1 25 mm 0 0492 in 1 25 mm 0 0492 in Connecting Rod Alignment 0 05 mm 0 002 in Piston Pin to Small End Bushing Piston Pin Small End B...

Page 155: ...inder Minimum I D Difference 0 15 mm 0 0059 in Item Factory Specification Allowable Limit Engine Oil Pressure At Idle Speed At Rated Speed More than 98 kPa 1 0 kgf cm2 14 psi 300 to 440 kPa 3 0 to 4 5...

Page 156: ...kgf 22 lbf of force Thermostat Valve Opening Temperature When the valve starts to open Opening Temperature When the valve opened completely 80 5 to 83 5 C 176 9 to 182 3 F 95 C 203 F Radiator Water Ti...

Page 157: ...nut 103 to 117 10 5 to 12 0 76 0 to 86 7 Joint bolt for power steering delivery pipe 40 to 49 4 0 to 5 0 29 to 36 Retaining nut of power steering delivery pipe 49 to 58 5 0 to 6 0 37 to 43 Joint bolt...

Page 158: ...ew M8 1 25 24 to 27 2 4 to 2 8 18 to 20 Cylinder head mounting screw M11 1 25 93 2 to 98 0 9 50 to 10 0 68 8 to 72 3 Oil cooler joint screw M20 1 5 40 to 44 4 0 to 4 5 29 to 32 Fan drive pulley mounti...

Page 159: ...NOTE Examine the compression pressure with the specified valve clearance Always use a fully charged battery for you do this test Variances in cylinder compression values must be less than 10 9Y121082...

Page 160: ...iston is at the compression top dead center when both the IN and EX valves do not move The piston is at the overlap position when both the valves move Turn the flywheel 6 28 rad 360 and align the 1TC...

Page 161: ...torque 9Y1210824ENS0006US0 3 COOLING SYSTEM Fan Belt Tension 1 Push the belt halfway between the fan drive pulley and alternator pulley at a specified force 98 N 10 kgf 22 lbf to measure the deflecti...

Page 162: ...Pa 0 6 kgf cm2 9 psi 4 If the measurement is less than the factory specification replace the radiator cap 9Y1210824ENS0009US0 Radiator Water Leakage 1 Fill a specified quantity of water into the radia...

Page 163: ...Leakage of Turbine Side 1 Examine the exhaust port 3 and the inlet port 6 side of the turbine housing 1 for exhaust gas leakage 2 If you find a gas leakage tighten the screws and nuts again or replace...

Page 164: ...full of water 4 Apply the specified amount of air pressure a 290 kPa 3 0 kgf cm2 43 psi to the air hose side and check that there are no air leaks in any of the EGR cooler parts 5 If there are air le...

Page 165: ...he front grill 4 left and right side skirts 5 4 Disconnect the head light connector 6 5 Remove the damper 7 6 Remove the pin 8 then the bonnet NOTE When disconnecting the battery cables disconnect the...

Page 166: ...rly the exhaust flange mounting screws 8 5 Tighten evenly and properly the bracket mounting screws between the bracket 11 and the exhaust flange 6 Tighten evenly and properly the bracket mounting scre...

Page 167: ...DPF cleaning order from Since the engine operating time is recorded in the ECU check the operating time by connecting the service tool Diagmaster When installing and removing the muffler full assembl...

Page 168: ...osition When replacing the temperature sensor check that it is coated with anti seize lubricating compound and then attach it to its correct position Tighten bolts and nuts to their specified torque A...

Page 169: ...ide and outlet side of DPF If the number of cells with failure sealing wall exceeds the allowable limit the DPF cannot be reused even after cleaning 3 Check whether there is no crack and loss of the c...

Page 170: ...d replace the DPF 2 with a new one Reference Actual Cell Depth E Cell Depth G Accumulated Ash Depth F NOTE Select a metal pin gauge 1 having a wire size slightly thinner than the cell width 0 60 to 0...

Page 171: ...stall the radiator cap securely Fill with coolant up to FULL mark on the recovery tank Start and operate the engine for few minutes Stop the engine and let cool Check coolant level of recovery tank an...

Page 172: ...engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level IMPORTANT Use only KUBOTA SUPER UDT fluid Use of other oils may damage the...

Page 173: ...right side skirts 5 4 Disconnect the head light connector 6 5 Remove the damper 7 6 Remove the pin 8 then the bonnet NOTE When disconnecting the battery cables disconnect the negative cable first When...

Page 174: ...Remove the steering joint screw 1 2 Remove the steering joint cover 2 and the steering joint support 3 3 Remove the steering joint shaft 4 9Y1210824CLS0007US0 1 Steering Joint Screw 2 Steering Joint...

Page 175: ...s 2 of the right and left fuel tanks 5 8 6 Lower the fuel tanks 5 8 together with the disassembling stands 7 Disconnect the fuel hoses 6 overflow hose 7 and fuel level sensor connector from the fuel t...

Page 176: ...injector connectors 11 and glow plug connector 12 8 Disconnect CCV GND wiring harness 13 CCV relay 14 CCV heater fuse 15 CCV SB fuse 16 and CCV heater 17 18 If equipped NOTE When disconnecting the ba...

Page 177: ...L4760 L5060 L5460 L6060 WSM 1 S30 Continued 9Y1210824CLS0009US0 13 CCV GND Wiring Harness 14 CCV Relay 15 CCV Heater Fuse 16 CCV SB Fuse 17 CCV Heater OUT 18 CCV Heater IN A Left Side B Right Side KiS...

Page 178: ...in harness to the rear 9Y1210824CLS0035US0 Steering and Panel Cover 1 Remove the steering wheel 1 2 Remove the mat 2 3 Remove the steering post cover 2 4 and steering post cover 1 3 4 Remove the meter...

Page 179: ...Transmission and GST only 6 Disconnect the cruise control switch connector 9 HST only 7 Disconnect the DPF auto switch connector 13 DPF switch connector 10 hazard switch connector 11 and display mode...

Page 180: ...pport plate 11 7 Remove the panel frame 13 using the hoist 9Y1210824ENS0129US0 Hydraulic Pipes 1 Disconnect the delivery pipe 1 PTO delivery pipe 2 and suction hose 4 from the hydraulic pump 2 Remove...

Page 181: ...ator Assembly and DPF Muffler 1 Remove the air cleaner 3 together with air cleaner hoses and bracket 2 Remove the muffler pipe 6 muffler flange 5 mounting screws and DPF muffler 4 together with DPF mu...

Page 182: ...exhaust manifold 3 together with turbocharger 2 When reassembling Be sure to adjust the fan belt tension See page 1 S14 9Y1210824ENS0021US0 Tightening torque Joint bolt for power steering delivery pi...

Page 183: ...page G 61 G 62 2 Hold the engine by the hoist chain hooked on the engine hooks 1 and 2 3 Remove the engine mounting screws 4 Separate the engine from the front axle frame 3 9Y1210824ENS0022US0 Tighte...

Page 184: ...olant if necessary IMPORTANT Do not start engine without coolant Use clean fresh soft water and anti freeze to fill the radiator and recovery tank When mixing the anti freeze with water the anti freez...

Page 185: ...After running the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level HST IMPORTANT Use only KUBOTA SUPER UDT fluid Use of other...

Page 186: ...5 Disconnect the window washer hose 8 and remove the damper 9 6 Remove the plug 11 and the pin inside then the bonnet 7 Remove the damper support 10 NOTE When disconnecting the battery cables disconn...

Page 187: ...onnect the heater hose 5 from the heater hose 6 and the heater hose 7 from the heater hose 8 inside then reconnect the heater hose 5 7 and heater hose 6 8 to make the loop NOTE Put a mark to each heat...

Page 188: ...ring Speed Adjusting Knob 1 Remove the range gear shift lever grip 1 and front wheel drive lever grip 2 2 Remove the differential lock rod 3 and the lowering speed adjusting knob 4 3 Remove the range...

Page 189: ...the range gear sensor connector 4 4 Disconnect the joint connectors 5 5 Remove the engine ECU power relay and glow relay 6 from the engine ECU support 2 6 Disconnect the earth cables 7 9Y1210824CLS00...

Page 190: ...g stands 7 Disconnect the fuel hoses 9 overflow hose 10 and fuel level sensor connector 8 from the fuel tank L H 12 8 Disconnect the fuel hose 7 from the fuel tank R H 6 9 Remove the right and left br...

Page 191: ...zers 5 3 Remove the rear tire R H 6 and fender plate 7 4 Disconnect the remote control valve linkage pins 8 to release the links If equipped 5 Disconnect the position lever linkage pin 9 to release th...

Page 192: ...absorber 2 2 Remove the steering post cover 1 and 2 4 3 Remove the panel cover 3 4 Remove the universal joint screw 5 and disconnect the steering joint shaft 6 9Y1210824CLS0022US0 1 Step Mat 2 Sound...

Page 193: ...motor 11 7 Disconnect CCV GND wiring harness 14 CCV relay 15 CCV heater fuse 16 CCV SB fuse 17 and CCV heater 18 19 If equipped NOTE When disconnecting the battery cords disconnect the negative cord...

Page 194: ...together with air cleaner 4 4 Remove the radiator upper hose 2 and lower hose When reassembling If CCV Heater is equipped Be careful not to assemble in the wrong direction Refer the images shown here...

Page 195: ...lts and nuts 10 Dismounting the cabin from tractor body NOTE Lift the cabin while making sure it does not catch on anything When reassembling Be sure to install the washers and mount rubbers etc in th...

Page 196: ...F muffler 1 together with bracket 7 When reassembling See page 1 S19 9Y1210824ENS0025US0 Tightening torque Front loader pipe retaining nut 90 0 to 108 N m 9 18 to 11 0 kgf m 66 4 to 79 6 lbf ft Joint...

Page 197: ...ternator 17 9 Remove the EGR cooler hose 18 and cooler pipe When reassembling Be sure to adjust the fan belt tension See page 1 S14 9Y1210824ENS0026US0 1 Injector Connector 2 Boost Sensor Connector 3...

Page 198: ...1 2 See page G 61 G 62 5 Hold the engine by the hoist chain hooked on the engine hooks 1 and 2 6 Remove the engine mounting screws 7 Lift up the engine to separate from the front axle frame 3 When re...

Page 199: ...sembly Manual Transmission and GST 1 Remove the clutch from the flywheel When reassembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 190...

Page 200: ...mbling Fill clean engine oil through the oil filter port of the turbocharger Replace the gaskets with new ones Do not to let dust dirt and other unwanted materials in the oil pipes NOTE Put tape or co...

Page 201: ...s not get any dust in it Store the common rail 4 so it does not get any dust in it When reassembling NOTE Tighten the injection pipes securely to their specified torques 9Y1210824ENS0033US0 Coolant Te...

Page 202: ...ensor 1 When reassembling Replace the O ring with a new one IMPORTANT If you drop the sensor do not reuse it 9Y1210824ENS0036US0 Air Gap Factory specification 0 2 to 1 3 mm 0 008 to 0 059 in Tightenin...

Page 203: ...to specified torque Replace the gasket of cylinder head cover with a new one Adjust the direction of the ditch to the terminal side when the seal 3 is installed in the glow plug 1 After installing the...

Page 204: ...et the clamp 2 as shown in the drawing 4 Attach the injector with screws 7 as shown in the drawing 5 Check that the injector 3 is attached securely NOTE Do not remove the injector dust protection cap...

Page 205: ...ods 2 When reassembling When you put the push rods 2 on the tappets 3 make sure that their ends are correctly engaged with the grooves IMPORTANT After you install the rocker arm adjust the valve clear...

Page 206: ...d changes after some time IMPORTANT Before you replace the cylinder head gasket 4 record the mark 5 on the cylinder head gasket of the engine Then replace a cylinder head gasket with same mark To be c...

Page 207: ...ylinder head gasket 9Y1210824ENS0041US0 Tappets 1 Remove the tappets 1 from the crankcase When reassembling Before you install the tappets apply a thin layer of engine oil around them Examine the cont...

Page 208: ...6 THERMOSTAT Thermostat Assembly 1 Remove the thermostat cover mounting screws and remove the thermostat cover 1 2 Remove the thermostat assembly 3 When reassembling Replace the thermostat cover gaske...

Page 209: ...force on the MPRP and overflow sections of the part Do not remove the dust protection cap until immediately before you attach the part 9Y1210824ENS0046US0 8 WATER PUMP AND OIL COOLER Water Pump 1 Rem...

Page 210: ...ith a 46 mm 1 8 in deep socket wrench 3 3 Remove the fan drive pulley 2 with a gear puller 4 4 Remove the feather key When reassembling Apply grease to the splines of coupling 9Y1210824ENS0049US0 Tigh...

Page 211: ...51US0 Idle Gear D1803 CR E4 1 Remove the external snap ring 2 Remove the idle gear collar 3 Remove the idle gear 2 When reassembling Align each gear with its mark Idle gear 2 and crank gear 4 Idle gea...

Page 212: ...top dead center in compression then align all mating marks on each gear to assemble the timing gears set the idle gear last 9Y1210824ENS0124US0 Fuel Camshaft 1 Remove the fuel feed pump 2 Remove the...

Page 213: ...to damage the O ring Apply liquid gasket 3 Three Bond 1217H to the oil pan as shown in the figure Make sure that the liquid gasket coating surface is free of water dust and oil in order to keep seali...

Page 214: ...r example mark 1 on the No 1 piston Set the top ring with its gap A at 1 6 rad 90 from the direction of the piston pin Then set the second ring and the oil ring with their gaps B C at 2 09 rad 120 fro...

Page 215: ...d lightly screw it in by hand then tighten it to the specified torque 9Y1210824ENS0058US0 Tightening torque Connecting rod screw 40 to 45 N m 4 1 to 4 5 kgf m 30 to 33 lbf ft 6 Code Number 7 Piston Ri...

Page 216: ...pin put the piston fully in 80 C 176 F oil for 10 to 15 minutes Apply engine oil to the piston pin 8 When you connect the piston and connecting rod set the FW mark 9 on the piston head to the flywhee...

Page 217: ...mpact wrench Serious damage will occur IMPORTANT The flywheel is very heavy so securely hold the flywheel when removing When reassembling Put in 2 flywheel guide screws Check that there are no metal p...

Page 218: ...exhaust valve 5 from falling into the cylinder and position the dial gauge 3 at the tip of the valve 4 While turning the flywheel to the left the largest deflection of the needle on the gauge indicate...

Page 219: ...ion sensor mounting hole and align the center of handle and pulser 3 This position is the crank position sensor top dead center detection position so position the tri square 7 on the reference line 8...

Page 220: ...er First remove inner screws 5 and then external screws 3 2 Remove the bearing case cover 6 IMPORTANT The length of inner screws 5 and external screws 3 are different Make sure that you use the correc...

Page 221: ...the screw 2 1 of the main bearing case 2 Turn the crankshaft to set the crankpin of the fourth cylinder to the horizontal directions right or left 3 Hold the crankpins to the horizontal directions ri...

Page 222: ...you install the thrust bearing point the oil groove 8 externally Install the main bearing case assemblies in the initial positions Since the diameters of the main bearing cases are different install t...

Page 223: ...y are out of spec check the oil clearance of the crank pin journals and piston pin NOTE Top clearance Width of the crushed plastigauge 2 9Y1210824ENS0068US0 Cylinder Head Surface Flatness 1 Clean the...

Page 224: ...place the valve replace the cylinder head 9Y1210824ENS0071US0 Clearance between Valve Stem and Valve Guide 1 Remove carbon from the valve guide section 2 Measure the valve stem O D with an external mi...

Page 225: ...ent 9Y1210824ENS0073US0 Valve Seating 1 Apply a thin layer of Prussian Blue on the valve face Then put the valve on its seat to examine the contact 2 If the valve is not fully around the seat or the c...

Page 226: ...e seating with Prussian Blue The valve seating surface must show good contact on all sides 9Y1210824ENS0075US0 Valve Lapping 1 Apply the compound equally to the valve lapping surface 2 Put the valve i...

Page 227: ...arance between Rocker Arm and Rocker Arm Shaft 1 Measure the rocker arm shaft O D with an external micrometer 2 Measure the rocker arm I D with an internal micrometer 3 Calculate the oil clearance 4 I...

Page 228: ...an external micrometer 2 Measure the tappet guide bore I D with a cylinder gauge 3 Calculate the oil clearance 4 If the oil clearance is more than the allowable limit or the tappet has a damage replac...

Page 229: ...0 04150 to 0 1122 mm 0 001634 to 0 004417 in Allowable limit 0 15 mm 0 0059 in Backlash between idle gear and cam gear Factory specification 0 04150 to 0 1154 mm 0 001634 to 0 004543 in Allowable lim...

Page 230: ...824ENS0086US0 Oil Clearance of Camshaft Journal 1 Measure the camshaft journal O D with an external micrometer 2 Measure the cylinder block bore I D for the camshaft with a cylinder gauge 3 Calculate...

Page 231: ...43 950 mm 1 7297 to 1 7303 in Balancer shaft bearing 1 I D Factory specification 43 980 to 44 045 mm 1 7315 to 1 7340 in Oil clearance of balancer shaft journal 2 Factory specification 0 030 to 0 111...

Page 232: ...arance 4 If the oil clearance is more than the allowable limit replace the bushing 5 If the oil clearance stays more than the allowable limit replace the piston pin also 9Y1210824ENS0091US0 Replacemen...

Page 233: ...3US0 Piston Ring Gap 1 Put the piston ring into the lower part of the liner the least worn out part with the piston 2 Measure the ring gap with a feeler gauge 3 If the ring gap is more than the allowa...

Page 234: ...re Reference Oversize dimensions of crankshaft journal 9Y1210824ENS0096US0 Top ring Factory specifica tion D1803 CR E4 V2403 CR E4 0 050 to 0 090 mm 0 0020 to 0 0035 in Allowable limit D1803 CR E4 V24...

Page 235: ...ndersize one Refer to the table and figure NOTE Do not put the plastigauge into the crankpin oil hole When you tighten the connecting rod screws do not move the crankshaft Reference Undersize dimensio...

Page 236: ...he exhaust manifold side see the figure Then press fit the new bearing 1 2 with the replacing tool 9Y1210824ENS0100US0 Oil clearance between crankshaft journal and crankshaft bearing 1 Factory specifi...

Page 237: ...e dimensions of crankshaft journal 9Y1210824ENS0101US0 Oil clearance between crankshaft and crankshaft bearing 2 Factory specification 0 0400 to 0 104 mm 0 00158 to 0 00409 in Allowable limit 0 20 mm...

Page 238: ...damage when you install 9Y1210824ENS0102US0 Replacement of Bearing Case Cover Oil Seal When removing 1 Remove the used oil seal by using appropriate tool and be careful not to scratch the bearing cas...

Page 239: ...o the specified dimension 2 Replace the piston and piston rings with oversize ones Oversize 0 25 mm 0 0098 in NOTE If the maximum I D or the difference for the oversize cylinder is more than the allow...

Page 240: ...cover and tighten the screws 3 Remove the cover carefully 4 Measure the width that plastigauge becomes flat with the scale to get the oil clearance 5 If the clearance is more than the allowable limit...

Page 241: ...2 CLUTCH KiSC issued 03 2016 A...

Page 242: ...CONTENTS 1 FEATURE 2 M1 MECHANISM KiSC issued 03 2016 A...

Page 243: ...adapted for manual transmission and GST 9Y1210824CLM0001US0 1 Clutch Disc 2 Pressure Plate Assembly 3 Release Fork 4 Shaft Case 5 Clutch Pedal Rod 6 Clutch Pedal 7 Release Bearing 8 Release Hub 9 Clut...

Page 244: ...60 L6060 WSM 2 M2 HST Unlike the manual transmission GST the HST is not equipped with a clutch Only a clutch coupling is adapted 9Y1210824CLM0002US0 1 Clutch Coupling 2 Shaft Case 3 Gasket 4 Flywheel...

Page 245: ...CHECKING AND ADJUSTING 2 S4 5 PREPARATION 2 S5 1 SEPARATING CLUTCH HOUSING FROM ENGINE ROPS TYPE 2 S5 2 SEPARATING CLUTCH HOUSING AND ENGINE CABIN TYPE 2 S15 6 DISASSEMBLING AND ASSEMBLING 2 S27 7 SER...

Page 246: ...of the pressure plate worn or broken Replace Pressure Plate assembly 2 S27 Chattering Grease or oil on clutch disc facing Replace 2 S27 Clutch disc or pressure plate warped Replace 2 S27 Clutch disc...

Page 247: ...ch Disc Boss and Gear Shaft Manual Transmission and GST Backlash Displacement Around Disc Edge 2 0 mm 0 079 in Clutch Coupling Boss and Input Shaft HST Backlash Displacement Around Clutch Coupling 1 5...

Page 248: ...roof mounting screw 3 5 to 4 0 0 36 to 0 40 2 6 to 2 9 Cabin mounting bolt and nut 124 to 147 12 6 to 15 0 91 2 to 108 Joint bolt for delivery pipe 40 to 49 4 0 to 5 0 29 to 36 Item N m kgf m lbf ft...

Page 249: ...epress the clutch pedal and measure free travel L at top of clutch pedal 2 If the measurement is not within the factory specifications loosen the lock nut 2 remove the clevis pin 3 adjust the length o...

Page 250: ...the dipstick 3 After running the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level IMPORTANT Use only KUBOTA SUPER UDT fluid U...

Page 251: ...ight side skirts 5 4 Disconnect the head light connector 6 5 Remove the damper 7 6 Remove the pin 8 then the bonnet NOTE When disconnecting the battery cables disconnect the negative cable first When...

Page 252: ...Remove the steering joint screw 1 2 Remove the steering joint cover 2 and the steering joint support 3 3 Remove the steering joint shaft 4 9Y1210824CLS0007US0 1 Steering Joint Screw 2 Steering Joint C...

Page 253: ...2 of the right and left fuel tanks 5 8 6 Lower the fuel tanks 5 8 together with the disassembling stands 7 Disconnect the fuel hoses 6 overflow hose 7 and fuel level sensor connector from the fuel ta...

Page 254: ...injector connectors 11 and glow plug connector 12 8 Disconnect CCV GND wiring harness 13 CCV relay 14 CCV heater fuse 15 CCV SB fuse 16 and CCV heater 17 18 If equipped NOTE When disconnecting the bat...

Page 255: ...L4760 L5060 L5460 L6060 WSM 2 S10 Continued 9Y1210824CLS0009US0 13 CCV GND Wiring Harness 14 CCV Relay 15 CCV Heater Fuse 16 CCV SB Fuse 17 CCV Heater OUT 18 CCV Heater IN A Left Side B Right Side KiS...

Page 256: ...in harness to the rear 9Y1210824CLS0035US0 Steering and Panel Cover 1 Remove the steering wheel 1 2 Remove the mat 2 3 Remove the steering post cover 2 4 and steering post cover 1 3 4 Remove the meter...

Page 257: ...Transmission and GST only 6 Disconnect the cruise control switch connector 9 HST only 7 Disconnect the DPF auto switch connector 13 DPF switch connector 10 hazard switch connector 11 and display mode...

Page 258: ...l rod 12 and both sides of support plate 11 9Y1210824CLS0036US0 Hydraulic Pipes 1 Disconnect the delivery pipe 1 PTO delivery pipe 2 and suction hose 4 from the hydraulic pump 2 Remove the front loade...

Page 259: ...ing 2 Remove the engine and clutch housing mounting screws and nuts 3 Separate the engine and clutch housing When reassembling Apply grease to the spline of clutch shaft Apply liquid gasket Three Bond...

Page 260: ...notch on the dipstick 3 After running the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level HST IMPORTANT Use only KUBOTA SUP...

Page 261: ...ANT Do not start engine without coolant Use clean fresh soft water and anti freeze to fill the radiator and recovery tank When mixing the anti freeze with water the anti freeze mixing ratio is 50 Secu...

Page 262: ...5 Disconnect the window washer hose 8 and remove the damper 9 6 Remove the plug 11 and the pin inside then the bonnet 7 Remove the damper support 10 NOTE When disconnecting the battery cables disconn...

Page 263: ...onnect the heater hose 5 from the heater hose 6 and the heater hose 7 from the heater hose 8 inside then reconnect the heater hose 5 7 and heater hose 6 8 to make the loop NOTE Put a mark to each heat...

Page 264: ...ring Speed Adjusting Knob 1 Remove the range gear shift lever grip 1 and front wheel drive lever grip 2 2 Remove the differential lock rod 3 and the lowering speed adjusting knob 4 3 Remove the range...

Page 265: ...the range gear sensor connector 4 4 Disconnect the joint connectors 5 5 Remove the engine ECU power relay and glow relay 6 from the engine ECU support 2 6 Disconnect the earth cables 7 9Y1210824CLS00...

Page 266: ...g stands 7 Disconnect the fuel hoses 9 overflow hose 10 and fuel level sensor connector 8 from the fuel tank L H 12 8 Disconnect the fuel hose 7 from the fuel tank R H 6 9 Remove the right and left br...

Page 267: ...zers 5 3 Remove the rear tire R H 6 and fender plate 7 4 Disconnect the remote control valve linkage pins 8 to release the links If equipped 5 Disconnect the position lever linkage pin 9 to release th...

Page 268: ...absorber 2 2 Remove the steering post cover 1 and 2 4 3 Remove the panel cover 3 4 Remove the universal joint screw 5 and disconnect the steering joint shaft 6 9Y1210824CLS0022US0 1 Step Mat 2 Sound...

Page 269: ...ide of the tractor body NOTE Lift the cabin while making sure it does not catch on anything When reassembling Be sure to install the washers and mount rubbers etc in their original positions as shown...

Page 270: ...the connector of the proportional valve pay attention to the color of the connector to ensure correct installation 9Y1210824CLS0038US0 Tightening torque Front loader pipe retaining nut 90 0 to 108 N m...

Page 271: ...ng 2 Remove the engine and clutch housing mounting screws and nuts 3 Separate the engine from clutch housing When reassembling Apply grease to the spline of clutch shaft Apply liquid gasket Three Bond...

Page 272: ...e bearing 5 as a unit 2 Remove the release fork setting screws 4 and fork keys 2 3 Draw out the clutch lever 3 to remove the release fork 1 When reassembling Make sure the direction of the release for...

Page 273: ...replace the disc In this case inspect transmission gear shaft oil seal engine rear oil seal and other points for oil leakage 9Y1210824CLS0031US0 Checking Pressure Plate Assembly and Flywheel 1 Wash th...

Page 274: ...the allowable limit 9Y1210824CLS0033US0 2 HST Backlash between Clutch Coupling Boss and Input Shaft 1 Put a mark on the rim of the clutch coupling see the picture on the left and mount the clutch coup...

Page 275: ...3 TRANSMISSION KiSC issued 03 2016 A...

Page 276: ...3 GLIDE SHIFT TRANSMISSION GST 3 M8 1 CHARACTERISTIC AND SYSTEM OUTLINE 3 M8 2 POWER TRAIN 3 M9 3 ELECTRICAL CONTROL SYSTEM 3 M10 1 Electrical Control 3 M10 4 HYDRAULIC CONTROL SYSTEM 3 M11 1 Hydraul...

Page 277: ...0 L4760 L5060 L5460 L6060 WSM 3 M1 1 STRUCTURE 1 MANUAL TRANSMISSION 1 Main Gear Shift Section 2 PTO Clutch Section 3 Shuttle Shift Section 4 Range Gear Shift Section 5 Front Wheel Drive Shift Section...

Page 278: ...WSM 3 M2 2 GLIDE SHIFT TRANSMISSION GST 1 Main Gear Shift Section 2 Clutch Pack for GST 3 PTO Clutch Section 4 Sub range Gear Shift Section 5 Shuttle Shift Section 6 Range Gear Shift Section 7 Front...

Page 279: ...60 L5060 L5460 L6060 WSM 3 M3 3 HYDROSTATIC TRANSMISSION HST 1 Hydrostatic Transmission Section 2 PTO Clutch Section 3 Range Gear Shift Section 4 Front Wheel Drive Section A All CABIN Model B All ROPS...

Page 280: ...to shift the shifters and transmits to the counter shaft 3 9Y1210824TRM0005US0 2 Shuttle Shift Section The shuttle shift section is located in the mid case and it uses a single cone type synchromesh I...

Page 281: ...differential gear case Two wheel drive or four wheel drive is selected by operating the front wheel drive lever to shift the shifter gear 4 9Y1210824TRM0008US0 1 Shuttle Gear Shaft 2 Gear for Low 3 S...

Page 282: ...tle Lever The links are connected from the shift lever 1 to the shift fork 7 as shown in the figure When the shift lever 1 is moved to the F side the shift fork 7 is moved toward the F side allowing t...

Page 283: ...oved to the B side the shift fork 5 is moved to the Hi speed side 9Y1210824TRM0011US0 4 Front Wheel Drive Lever The shift lever 1 is connected directly to the shift fork 2 When the shift lever 1 is mo...

Page 284: ...e movement and gear shifting according to the oil temperature and the traveling speed can be achieved by having electronically controlled the GST system and a smoother operation can be done Moreover b...

Page 285: ...t to the electric control unit ECU The shift pattern is shown in the table below Front wheel drive section is basically similar to manual transmission model Forward shift pattern Reverse shift pattern...

Page 286: ...of the pressure switch s ON the main ECU detects the present condition traveling speed engine speed and oil temperature from various sensors and pressure in the hydraulic clutch is raised according to...

Page 287: ...e rising of the circuit the clutch valve 24 is actuated And oil flows through the low pass valve 25 and the proportional reducing valve 26 to the GST clutch 27 This oil flows until becoming the compou...

Page 288: ...energizing of solenoid Forward Reverse 9Y1210824TRM0016US0 N 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th Solenoid 1 10 ON ON ON Solenoid 2 16 ON ON ON Solenoid 3 9 ON ON ON Solenoid 4 14 ON ON...

Page 289: ...in the GST system circuit to 2 45 MPa 25 0 kgf cm2 356 psi The oil from the power steering pump passes through the regulating valve 3 and check valve 4 and then it flows to power steering circuit The...

Page 290: ...peration When the solenoid is not excited oil from regulating valve flows to the shift piston through the surrounding of the ball 10 in the valve When the solenoid is excited plunger 9 presses the bal...

Page 291: ...e connected to each shift rod and shift the gear There are neutral positions in 1 2 shift piston 2 and 3 4 shift piston 1 9Y1210824TRM0020US0 1 3 4 Shift Piston 2 1 2 Shift Piston 3 Main Range Shift P...

Page 292: ...hift check valve 6 and 3 4 shift check valve 5 compose a serial circuit When either valve is closed the oil in the pilot circuit will not be drained into the tank In case of the shuttle shifting the s...

Page 293: ...to flow oil to the GST clutch quickly It is the low pass valve that does this operation with the proportional reducing valve 10 simultaneously The oil from the regulating valve flows in from the IN po...

Page 294: ...computer of ECU calculates and judges the charging of pressure and its time according to the oil temperature sensor and gear shifting period and the traveling speed and speed acceleration according to...

Page 295: ...s out from the D port and flows to the GST clutch 6 When the pilot circuit pressure is zero that is from the start to the left with the spring 3 to cut the oil flow of B and C port and stopping the oi...

Page 296: ...o the left by the oil thereby pushing the clutch discs 4 and the plates 5 to transmit the power Disengaging When the engine stop the shift levers are neutral position between from start to end of the...

Page 297: ...esult the HST pedal feels extremely light and smoother pedal operation can be done HST assembly chiefly consists of HST case clutch housing variable displacement piston pump variable displacement pist...

Page 298: ...11 Piston Hi 12 Cylinder Block Motor 13 Output Shaft Motor Shaft 14 Piston Motor 15 Hi Lo Solenoid Valve 16 Variable Swashplate Motor 17 Piston Lo 18 Variable Swashplate Pump 19 Check and High Pressu...

Page 299: ...e spool pressure selector and flows to the piston H 9 Oil from the hydraulic pump is fed to the c port of the regulator valve The regulator valve sets the pressure of the PTO valve and proportional va...

Page 300: ...for the operation of the servomechanism that is the operation of servo piston Valves Check and high pressure relief As for the mechanism and function of valve charge relief valve and case relief valv...

Page 301: ...the regulator valve and sent to the PTO valve power steering controller and proportional control valve respectively 9Y1210824TRM0032US0 1 Pump Swashplate 2 Pump Piston 3 Pump Cylinder Block 4 HST Filt...

Page 302: ...of the pedal 9Y1210824TRM0033US0 1 Pump Swashplate 2 Pump Piston 3 Pump Cylinder Block 4 HST Filter 5 Charge Pump 6 Check and High Pressure Relief Valve 7 Charge Relief Valve 8 Motor Cylinder Block 9...

Page 303: ...of the pedal 9Y1210824TRM0034US0 1 Pump Swashplate 2 Pump Piston 3 Pump Cylinder Block 4 HST Filter 5 Charge Pump 6 Check and High Pressure Relief Valve 7 Charge Relief Valve 8 Motor Cylinder Block 9...

Page 304: ...inder Block 9 Motor Piston 10 Motor Swashplate 11 Out Put Shaft Motor Shaft 12 Piston H 13 Piston L 14 Hi Lo Spool 15 Spool Pressure Selector 16 Hi Lo Solenoid Valve 17 Oil Cooler 18 Power Steering Co...

Page 305: ...the two speed change spool to the pistons on the Hi side and the angle of the swashplate on the motor side is changed as shown in the drawing the inclination angle becomes smaller As a result the rev...

Page 306: ...8 Motor Cylinder Block 9 Motor Piston 10 Motor Swashplate 11 Out Put Shaft Motor Shaft 12 Piston H 13 Piston L 14 Hi Lo Spool 15 Spool Pressure Selector 16 Hi Lo Solenoid Valve 17 Oil Cooler 18 Power...

Page 307: ...eed change spool to the piston on the Lo side and the angle of the swashplate on the motor side is changed as shown in the drawing The inclination angle becomes larger As a result the revolving speed...

Page 308: ...ief Valve 8 Motor Cylinder Block 9 Motor Piston 10 Motor Swashplate 11 Out Put Shaft Motor Shaft 12 Piston H 13 Piston L 14 Hi Lo Spool 15 Spool Pressure Selector 16 Hi Lo Solenoid Valve 17 Oil Cooler...

Page 309: ...from the regulator by the proportional control valve the servo piston is moved toward the neutral direction As a result the swashplate on the pump side moves toward the neutral direction This decreas...

Page 310: ...mp 6 Check and High Pressure Relief Valve 7 Charge Relief Valve 8 Motor Cylinder Block 9 Motor Piston 10 Motor Swashplate 11 Out Put Shaft Motor Shaft 12 Piston H 13 Piston L 14 Hi Lo Spool 15 Spool P...

Page 311: ...applied on the engine are controlled by returning the swashplate on the pump side toward the neutral side When the loads cannot be controlled just by returning the swashplate on the pump side toward...

Page 312: ...Check and High Pressure Relief Valve 7 Charge Relief Valve 8 Motor Cylinder Block 9 Motor Piston 10 Motor Swashplate 11 Out Put Shaft Motor Shaft 12 Piston H 13 Piston L 14 Hi Lo Spool 15 Spool Pressu...

Page 313: ...turn the Pump Swashplate to the neutral position 3 At the Stall Guard PLUS compared with at the Stall Guard the Pump Swashplate is set in such a way as to quickly return to the neutral position 4 On t...

Page 314: ...om the regulator valve to the servo piston As a result the swashplate on the pump side inclines towards the increase speed position and the traveling speed increases Tractor Condition HST Pedal Forwar...

Page 315: ...KAGE MECHANISM The shift linkage mechanism of Front Wheel Drive Lever refer to page 3 M7 9Y1210824TRM0045US0 1 Range Gear Shift Lever The links are connected from the shift lever 3 to the shift fork 1...

Page 316: ...is as shown in the table below Manual Transmission and GST HST 9Y1210824TRM0047US0 1 PTO Gear Shaft 1 2 PTO Gear Shaft 2 3 PTO Clutch Pack 4 PTO Counter Shaft 5 PTO Drive Shaft 6 PTO Shaft 7 Output S...

Page 317: ...topped by PTO solenoid valve 6 When PTO switch is at ON position the oil flows PTO clutch through the PTO solenoid valve and PTO clutch is engaged 9Y1210824TRM0048US0 1 Transmission Case 2 Oil Filter...

Page 318: ...1 Separating Cabin from Tractor 3 S47 6 DISASSEMBLING AND ASSEMBLING 3 S58 1 MANUAL TRANSMISSION 3 S58 1 Clutch Housing 3 S58 2 Mid Case 3 S64 3 Transmission Case 3 S70 2 GLIDE SHIFT TRANSMISSION 3 S...

Page 319: ...1 Bearing Gear and Shaft 3 S132 2 PTO Clutch 3 S132 3 Differential Gears 3 S132 4 HST 3 S132 KiSC issued 03 2016 A...

Page 320: ...aged Replace 3 S123 Shift fork interlock ball spring weaken or damaged Replace 3 S62 3 S81 Interlock ball fallen Reassemble 3 S62 3 S81 Synchronizer unit damaged Replace 3 S124 Gears worn or broken Re...

Page 321: ...ll Time Improper backlash between spiral bevel pinion and spiral bevel gear Adjust 3 S127 Improper backlash between differential pinion and differential side gear Adjust 3 S129 Bearings worn Replace 3...

Page 322: ...connector 9 S39 Check the sensor connector 9 S48 Check the ground cable 9 S35 ERROR No 51 Shuttle SWITCH NG Shuttle lever switch is in trouble Shuttle switch failure Check the shuttle switch 9 S63 Re...

Page 323: ...9 S49 Check the ground cable 9 S35 ERROR No 50 GST Lever SENSOR NG GST lever sensor is in trouble Lever sensor output terminal is out of adjustment Wiring for sensor is disconnected or short circuited...

Page 324: ...ector of solenoid ERROR No 64 4 8th Speed NG Solenoid 4 is in trouble At reverse Check the resistance between solenoid and GND 9 S51 Replace GST valve 3 S79 ERROR No 65 1 6th Speed NG Solenoid 5 Hi Lo...

Page 325: ...control pedal is in trouble Sensor output terminal is out of adjustment Wiring for sensor is disconnected or short circuited Sensor failure Main sensor voltage 0 2 V or 4 9 V Sub sensor voltage 0 2 V...

Page 326: ...solenoid output terminals voltage is out of specification Hi Lo solenoid broken or short circuited Wiring for Hi Lo solenoid valve is disconnected or short circuited Travel motion is possible The HST...

Page 327: ...1 4 Check the movement of the shift forks 5 Check the oil leaking from PTO clutch valve or its clutch pack 3 S125 GST clutch pressure is too low Solution order 1 Check the pressure switch 9 S50 2 Chec...

Page 328: ...fill oil to proper level G 9 Transmission oil quality is too low Fill correct fluid G 9 GST valve improperly adjusted Adjust GST valve 3 S22 Shift shock improperly adjusted Adjust shift shock 3 S23 Te...

Page 329: ...othly Inspect or replace check and high pressure relief valve 3 S111 Component parts damaged Replace hydrostatic transmission assembly Electronic control parts damaged Inspect or replace electronic co...

Page 330: ...ion Oil Over Heats Low transmission oil level Fill transmission oil level up to proper level G 9 Radiator net clogged Clean radiator net G 19 Excessive machine load Reduce machine load Improper charge...

Page 331: ...r return plate Replace 3 S69 PTO Shaft Does Not Rotate PTO clutch malfunctioning Repair or replace 3 S66 PTO propeller shaft coupling disengaged Engage PTO Clutch Operating Pressure is Low Transmissio...

Page 332: ...4 0 to 6 3 N m 0 40 to 0 65 kgf m 2 9 to 4 7 lbf ft Spiral Bevel Gear to Spiral Bevel Pinion Shaft Backlash 0 15 to 0 30 mm 0 0059 to 0 012 in 0 4 mm 0 02 in Differential Case Bore Differential Case C...

Page 333: ...everse Operating Pressure 2 30 to 2 50 MPa 23 5 to 25 5 kgf cm2 334 to 363 psi GST System Pressure Condition Engine Speed Idling Oil Temperature 40 to 60 C 104 to 140 F GST Lever Neutral to 12th or 8t...

Page 334: ...to 2 85 MPa 25 5 to 29 0 kgf cm2 363 to 413 psi Item Factory Specification Allowable Limit PTO Clutch Valve Condition Engine Speed Maximum Oil Temperature 40 to 60 C 104 to 140 F Operating Pressure Ma...

Page 335: ...w M14 30 167 to 196 17 0 to 20 0 123 to 145 Lift arm pin lock mounting nut 78 to 90 7 9 to 9 2 58 to 66 Lift arm pin lock nut 63 to 72 6 4 to 7 4 47 to 53 ROPS fulcrum bolt and nut 118 to 137 12 0 to...

Page 336: ...mounting screw and nut 220 22 160 Brake case mounting screw and nut 78 to 90 7 9 to 9 2 58 to 66 Lift arm pin mounting nut 78 to 90 7 9 to 9 2 58 to 66 Lift arm pin lock nut 63 to 72 6 4 to 7 4 47 to...

Page 337: ...mounting screw 43 to 48 4 3 to 4 9 32 to 35 Fulcrum screw 40 to 44 4 0 to 4 5 29 to 32 Shift pin mounting screw 13 to 14 1 3 to 1 5 9 4 to 10 GST valve mounting screw 43 to 48 4 3 to 4 9 32 to 35 Join...

Page 338: ...d screw 103 to 118 10 5 to 12 5 76 0 to 87 0 Port block mounting hex socket head screw 31 to 36 3 2 to 3 6 23 to 26 Piston H 59 to 78 6 1 to 7 9 44 to 57 Shaft case mounting bolt 24 to 28 2 5 to 2 8 1...

Page 339: ...e hydraulic PTO clutch system 7 If the measurement is not within the factory specifications measure the system pressure and adjust the system pressure with regulator valve 5 if necessary Condition Eng...

Page 340: ...display a is indicated on the LCD 1 4 Press the display mode switch 2 The buzzer rings and the marked display moves 5 Select the Mode E 6 Hold down the display mode switch 2 for more than 2 seconds 7...

Page 341: ...min 1 rpm 10 Step 03 is displayed e Set the front tire straight ahead Press the display mode switch 11 Step 04 is displayed f Disengaged the clutch and shift the GST lever to the desired position Fro...

Page 342: ...s 8 Setting Select the GST shifting shock feeling number For higher shifting shock Press the display mode switch to increase the number For lighter shifting shock Press the display mode switch to redu...

Page 343: ...uid and then stop the engine 2 Remove the pressure checking port 3 plug PT 1 8 3 Install the adaptor 7 to checking port 3 and then install the adaptor D the threaded joint cable and pressure gauge 4 S...

Page 344: ...ST lever to 1st position shuttle shift lever to Forward or Reverse position 6 Measure the pressure 7 When the pilot pressure is not within factory specifications Check the pilot orifice is clogged mov...

Page 345: ...utch pack 8 Check the pressure changes while shifting the shuttle shift lever Reverse to Forward and shifting the GST lever from Neutral to 12th or 8th 9 If the pressure does not change correctly chec...

Page 346: ...ay mode switch 2 and the buzzer rings and marked display moves 6 Select the Mode K 7 Hold down the display mode switch 2 for more than 2 seconds 8 When HST Fine adjustment Mode is displayed b release...

Page 347: ...re than 3 seconds 16 Complete is displayed j The setting has been preserved correctly to the main ECU 17 If Not Complete is displayed repeat the procedure 18 Turn off the main switch IMPORTANT After s...

Page 348: ...gine revolution is not idling revolution If Out of Setting Position ERROR No 75 is displayed h the hand throttle lever is not at the correct idling position 9 Hold button for 3s more is displayed d Ho...

Page 349: ...the disassembling stands under the left fuel tank L H 6 5 Remove the front 2 and rear support mounting screws 4 of the left fuel tank L H 6 6 Lower the fuel tank L H 6 together with the disassembling...

Page 350: ...o see that parking brake is applied 6 Run the engine at rated speed 7 Place the range gear shift lever in H position 8 Depress the HST pedal and measure the check and high pressure relief valve pressu...

Page 351: ...t rated speed 7 Release the HST pedal to set in neutral and measure the charge pressure 8 If the measurement is not within the factory specifications check charge relief valve or adjust with adjusting...

Page 352: ...ension A of the servo piston adjusting screw 2 8 Start the engine and measure the F and R charge pressures Now adjust the piston neutral position so that the F port side pressure and the R port side o...

Page 353: ...on the dipstick 3 After running the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level IMPORTANT Use only KUBOTA SUPER UDT flui...

Page 354: ...nd right side skirts 5 4 Disconnect the head light connector 6 5 Remove the damper 7 6 Remove the pin 8 then the bonnet NOTE When disconnecting the battery cables disconnect the negative cable first W...

Page 355: ...t 1 Remove the steering joint screw 1 2 Remove the steering joint cover 2 and the steering joint support 3 3 Remove the steering joint shaft 4 9Y1210824CLS0007US0 1 Steering Joint Screw 2 Steering Joi...

Page 356: ...4CLS0010US0 Tightening torque Plate mounting screw 8 138 to 147 N m 14 0 to 15 0 kgf m 102 to 108 lbf ft Plate mounting screw 9 167 to 196 N m 17 0 to 20 0 kgf m 123 to 145 lbf ft Lift arm pin mountin...

Page 357: ...al Transmission and GST only 6 Disconnect the cruise control switch connector 9 HST only 7 Disconnect the DPF auto switch connector 13 DPF switch connector 10 hazard switch connector 11 and display mo...

Page 358: ...nly 6 Remove the brake pedal rod L H 11 and both sides of support plates 11 9Y1210824TRS0002US0 Seat and Seat Bracket 1 Disconnect the seat switch connector 1 and seat tilt switch connector 2 2 Remove...

Page 359: ...el drive lever grip 2 and range gear shift lever grip 1 2 Remove the lever guide 3 3 Disconnect the range gear sensor connector 4 9Y1210824TRS0050US0 1 Range Gear Shift Lever Grip 2 Front Wheel Drive...

Page 360: ...sor connector 7 3 Disconnect the boots 1 from lever guide 4 then remove the lever guide 4 4 Disconnect the left and right hazard light connector 9 and rear combination light connector 8 9Y1210824TRS00...

Page 361: ...2 3 Remove the range gear shift rod 3 HST 4 Disconnect the front loader control lever linkage pins 4 to release the links 5 Disconnect the position lever linkage pin 5 to release the link 9Y1210824TRS...

Page 362: ...nsor connector 4 4 Disconnect the joint connector 5 5 Remove the engine ECU power relay 6 and glow relay from the engine ECU support 6 Disconnect the earth cables 7 9Y1210824TRS0004US0 1 Engine ECU 2...

Page 363: ...rews 2 of the right and left fuel tanks 5 8 6 Lower the fuel tanks 5 8 together with the disassembling stands 7 Disconnect the fuel hoses 6 overflow hose 7 and fuel level sensor connector from the fue...

Page 364: ...onnect the swashplate position sensor connector 2 and proportional valve connectors 3 4 5 Remove the HST pedal sensor connector 5 IMPORTANT In installing the connector of the proportional valve pay at...

Page 365: ...step fender floor seat and panel frame as a unit When reassembling Be sure to set the washers and rubber plates of the floor seat and step mounting bolt at an original positions as shown in figure Be...

Page 366: ...l up from filling port after removing the filling plug 2 until reaching the upper notch on the dipstick 3 After running the engine for a few minutes stop it and check the oil level again add the fluid...

Page 367: ...ORTANT Do not start engine without coolant Use clean fresh soft water and anti freeze to fill the radiator and recovery tank When mixing the anti freeze with water the anti freeze mixing ratio is 50 S...

Page 368: ...r 7 5 Disconnect the window washer hose 8 and remove the damper 9 6 Remove the plug 11 and the pin inside then the bonnet 7 Remove the damper support 10 NOTE When disconnecting the battery cables disc...

Page 369: ...isconnect the heater hose 5 from the heater hose 6 and the heater hose 7 from the heater hose 8 inside then reconnect the heater hose 5 7 and heater hose 6 8 to make the loop NOTE Put a mark to each h...

Page 370: ...owering Speed Adjusting Knob 1 Remove the range gear shift lever grip 1 and front wheel drive lever grip 2 2 Remove the differential lock rod 3 and the lowering speed adjusting knob 4 3 Remove the ran...

Page 371: ...ect the range gear sensor connector 4 4 Disconnect the joint connectors 5 5 Remove the engine ECU power relay and glow relay 6 from the engine ECU support 2 6 Disconnect the earth cables 7 9Y1210824CL...

Page 372: ...ling stands 7 Disconnect the fuel hoses 9 overflow hose 10 and fuel level sensor connector 8 from the fuel tank L H 12 8 Disconnect the fuel hose 7 from the fuel tank R H 6 9 Remove the right and left...

Page 373: ...ilizers 5 3 Remove the rear tire R H 6 and fender plate 7 4 Disconnect the remote control valve linkage pins 8 to release the links If equipped 5 Disconnect the position lever linkage pin 9 to release...

Page 374: ...und absorber 2 2 Remove the steering post cover 1 and 2 4 3 Remove the panel cover 3 4 Remove the universal joint screw 5 and disconnect the steering joint shaft 6 9Y1210824CLS0022US0 1 Step Mat 2 Sou...

Page 375: ...t side of the tractor body NOTE Lift the cabin while making sure it does not catch on anything When reassembling Be sure to install the washers and mount rubbers etc in their original positions as sho...

Page 376: ...7 2 Tap out the spring pins 2 6 and slide the couplings 1 5 and then remove the propeller shaft with covers 4 8 When reassembling Apply grease to the splines of propeller shaft 3 9Y1210824FAS0009US0 1...

Page 377: ...ply grease to the spline of clutch shaft Apply liquid gasket Three Bond 1211 or equivalent to joint face of the flywheel housing and clutch housing 9Y1210824TRS0010US0 Tightening torque Joint bolt for...

Page 378: ...tch Lever 1 Draw out the clutch release hub 7 and the release bearing 5 as a unit 2 Remove the release fork setting screws 4 and fork keys 2 3 Draw out the clutch lever 3 to remove the release fork 1...

Page 379: ...arm 3 as a unit When reassembling Apply liquid gasket Three Bond 1208C or equivalent to joint face of the clutch housing case and main shift base The main shift arm should be fitted on to the shift f...

Page 380: ...t the front axle drive shaft 4 to the rear side 4WD only When reassembling Install the oil seal 7 on the 18T gear shaft 5 noting the direction of the oil seal 7 as shown in the figure Direct the boss...

Page 381: ...a small amount of grease to the clutch housing bearing holder 5 after setting the shift forks and shift rods to the neutral position 9Y1210824TRS0017US0 Shaft Assemblies 1 Remove the external snap rin...

Page 382: ...en reassembling Reinstall the synchronizer keys 9 in the key grooves of the synchronizer rings 6 firmly 9Y1210824TRS0019US0 1 Internal Snap Ring 2 Bearing 3 Needle Bearing 4 24T Gear 4th 5 External Sn...

Page 383: ...sembling Make sure to insert the PTO shaft to PTO clutch firmly turning the PTO shaft Apply liquid gasket Three Bond 1208C or equivalent to joint face of the mid case and transmission case 9Y1210824TR...

Page 384: ...t arm 1 to the shuttle fork rod 2 be sure to install it to the groove A Make sure to apply liquid gasket to elongated grooves 5 on the mid case face and to those on the lower side of the clutch housin...

Page 385: ...ing holder 2 When reassembling Tap in the mid case bearing holder 2 with plastic hummer until contact to mid case and then tighten the screws to specified torque 9Y1210824TRS0024US0 Shaft Assemblies 1...

Page 386: ...n fluid to the needle bearings 3 and thrust collar 13 Direct the grooved side of the thrust collar 13 to the needle bearing 3 side Install the external snap ring 7 to the groove of the shuttle shaft 2...

Page 387: ...bers 11 portion 08 the clutch plates 6 are same positions while assemble them Apply the enough transmission fluid to the clutch discs 5 Make sure the moving of the piston 10 smoothly when pressure air...

Page 388: ...hand made jig Refer to the figure left 2 Remove the external snap ring 1 washer 2 and spring 3 3 Draw out the piston 4 4 Draw out the ring 5 outer ring 6 brake plate 7 and brake disc 8 When reassembli...

Page 389: ...ls 3 After removing the rear wheels support it at both sides of rear axle by stands When reassembling 9Y1210824TRS0031US0 Tightening torque Joint bolt for main delivery pipe 118 to 137 N m 12 0 to 14...

Page 390: ...oader control valve 5 with front loader control valve bracket assembly 9Y1210824TRS0033US0 Tightening torque Drawbar frame mounting screw M12 78 to 90 N m 7 9 to 9 2 kgf m 58 to 66 lbf ft Drawbar fram...

Page 391: ...Apply grease to the steel ball seats Do not grease excessively Apply liquid gasket Three Bond 1208C or equivalent to joint face of the brake cae and transmission case Apply liquid lock to the fulcrum...

Page 392: ...ock nut 5 3 Remove the pinion bearing case mounting screws 4 Remove the pinion bearing cover 4 and shims 1 When reassembling Make sure of the number of shims in the pinion bearing case Replace the loc...

Page 393: ...the spring pin 8 so that its split portion may face forward Refer to figure 9Y1210824TRS0039US0 Shaft Assemblies 1 Remove the traveling speed sensor 1 2 Remove the spiral bevel pinion shaft assembly 4...

Page 394: ...he left and right oil seals on the transmission case Insert the clevis pin 3 from the top and install the washer and cotter pin Tap in the spring pin 4 so that its split portion a may face outward as...

Page 395: ...ly noting the number of right shims When reassembling Check the spiral bevel gear for wear or damage If it is no longer serviceable replace it Then also replace the spiral bevel pinion Use same number...

Page 396: ...nd remove the differential pinion 2 and differential pinion washer NOTE Arrange the parts to know their original position When reassembling Check the differential pinions 2 and 3 and pinion shaft 1 an...

Page 397: ...disassembling stands under the engine and clutch housing 2 Remove the engine and clutch housing mounting screws and nuts 3 Separate the engine and clutch housing When reassembling Apply grease to the...

Page 398: ...then tighten the screws Do not use the hummer Replace the pipe 7 with a new one if damaged 9Y1210824TRS0054US0 Release Hub and Clutch Lever 1 Draw out the clutch release hub 7 and the release bearing...

Page 399: ...ft case mounting screws 2 Screw down the two M6 jack bolts 1 into the shaft case 2 and pull it out 3 Remove the shaft case 2 When reassembling Apply liquid gasket Three Bond 1208C or equivalent to joi...

Page 400: ...jack bolts 3 When reassembling Tap in the clutch housing bearing holder 4 with plastic hammer until contact to clutch housing case and then tighten the screws to specified torque Install the three int...

Page 401: ...Remove the gears on the counter shaft 12 and external snap rings 5 When reassembling Reinstall the synchronizer keys 9 in the key grooves of the synchronizer rings 6 firmly 9Y1210824TRS0059US0 1 Exter...

Page 402: ...GST valve Be sure to match the each shift pin and shift piston Install the GST valve 1 by hand and then tighten the screws Do not use the hummer Apply liquid gasket Three Bond 1208C or equivalent to j...

Page 403: ...clutch housing 3 and mid case 4 Make sure to apply liquid gasket to elongated grooves 5 on the mid case face and to those on the lower side of the clutch housing face When reassembling the shuttle sh...

Page 404: ...assembling Tap in bearing holder 2 with plastic hummer until contact to case and then tighten the screws to specified torque Assemble the disc spring 8 as shown in the figure Install the internal snap...

Page 405: ...e L4060 L4760 L5060 steel plates 6 with plug rubbers 4 to the front side one steel plate 5 without plug rubber to the piston side Steel plate 5 6 are used same part Do not pile up the plug rubber 4 po...

Page 406: ...2 Remove the spring retainer 2 springs 3 and piston 4 When reassembling Apply small amount of the grease to the seal rings 8 when assemble the clutch case 7 Apply enough transmission fluid to the O ri...

Page 407: ...18 and remove the hub 17 with shifter and synchronizer rings When reassembling Direct the groove side of the thrust collars 4 21 to the gear side Reinstall the synchronizer keys in the key grooves of...

Page 408: ...Remove the ROPS lower frames 1 4 Remove the four wheel drive lever When reassembling 9Y1210824TRS0070US0 Tightening torque Joint bolt for main delivery pipe 118 to 137 N m 12 0 to 14 0 kgf m 86 8 to 1...

Page 409: ...e differential case and cover 2 9Y1210824TRS0034US0 Rear Axle 1 Separate the rear axle case from brake case When reassembling Apply liquid gasket Three Bond 1208C or equivalent to joint face of the re...

Page 410: ...NOTE Do not fall down the shift pin while disassembling When reassembling Place the 1 2 1 and 3 4 2 shift pins at neutral position sub range shift pin 5 at Hi position rearward and main range shift pi...

Page 411: ...ock nut 5 3 Remove the pinion bearing case mounting screws 4 Remove the pinion bearing cover 4 and shims 1 When reassembling Make sure of the number of shims in the pinion bearing case Replace the loc...

Page 412: ...the spring pin 8 so that its split portion may face forward Refer to figure 9Y1210824TRS0039US0 Shaft Assemblies 1 Remove the traveling speed sensor 1 2 Remove the spiral bevel pinion shaft assembly 4...

Page 413: ...oil seals on the transmission case Insert the clevis pin 3 from the top and install the washer and cotter pin Tap in the spring pin 4 so that its split portion a may face outward as shown in the figur...

Page 414: ...of left shims 2 Remove the differential gear assembly noting the number of right shims When reassembling Check the spiral bevel gear for wear or damage If it is no longer serviceable replace it Then...

Page 415: ...hen reassembling Install the copper washers firmly Apply grease to the O ring 6 and be careful not to damage it 9Y1210824TRS0080US0 1 Bonnet 2 Battery Negative Cable 3 Front Grille 4 Skirt RH Tighteni...

Page 416: ...spring 13 and the poppet 9 6 Remove the spring retainer 5 and spring 10 When reassembling Be careful not to damage the O rings IMPORTANT After reassembling the adjustment of regulating pressure shoul...

Page 417: ...rtional reducing valve connector 2 solenoid connector 4 and oil temperature sensor connector 5 3 Disconnect the GST delivery pipe 3 4 Remove the GST valve assembly 6 with using two jack bolts NOTE Do...

Page 418: ...tions as shown in the photo and table below 9Y1210824TRS0084US0 No Solenoid Name Color of wiring 6 Shift Solenoid 1 1st shift Black 1 Shift Solenoid 2 2nd shift White 3 Shift Solenoid 3 3rd shift Red...

Page 419: ...he springs 13 balls 12 and filter 14 from upper body 2 When reassembling Make sure that the main range shift check pin 7 is the shortest pin 9Y1210824TRS0085US0 Tightening torque Lower body mounting h...

Page 420: ...4 Remove the internal snap ring 12 cover 8 and the shift piston 7 11 For main range and sub range shift piston When reassembling Be careful not to damage the O ring 13 and piston seal 14 9Y1210824TRS...

Page 421: ...ove the plug 5 3 Remove the stopper plate 6 and remove the low pass poppet 4 and spring 3 9Y1210824TRS0087US0 Clutch Valve 1 Separate the upper body and lower body 2 Remove the stopper plate 4 while p...

Page 422: ...the O ring 9Y1210824TRS0089US0 Check Valve Oil Temperature Sensor Orifice and Filter 1 Remove the oil temperature sensor 3 spring 2 and ball 1 2 Remove the plug 6 spring 5 and orifice plug 4 with filt...

Page 423: ...IMPORTANT In installing the connector of the proportional valve pay attention to the color of the connector to ensure correct installation 9Y1210824CLS0038US0 Tightening torque Front loader pipe reta...

Page 424: ...nd mid case 2 When reassembling Gasket should be replaced with new one Apply liquid gasket Three Bond 1208C or equivalent to joint face of the clutch housing 1 and mid case 2 Make sure to apply liquid...

Page 425: ...l the bearing 5 sleeve 7 collar 6 oil seal 8 internal snap ring O ring 3 and spacer 2 in order Apply grease to the oil seal 4 9Y1210824TRS0102US0 Charge Pump 1 Remove the charge pump 2 When reassembli...

Page 426: ...te Pump Shaft and Motor Shaft 1 Remove the swashplate 1 2 Remove the cradle bearing bracket mounting hex socket head screws 6 3 Tap the pump shaft 3 with a plastic hammer slightly to slide out it with...

Page 427: ...slightly and pull out the servo piston assembly 1 When reassembling Replace the gasket 3 with a new one NOTE Be careful not to do damage the surface of servo piston IMPORTANT When disassembling the s...

Page 428: ...sure to install the gasket 5 When replacing oil seal in shaft case Install the oil seal 7 as shown in the figure noting its direction Apply grease to the oil seal 7 Replace the gasket 5 with a new on...

Page 429: ...and remove the pressure selector 10 When reassembling Be sure to install direction of the belleville spring 6 Replace the gasket 4 with a new one 9Y1210824TRS0109US0 Tightening torque Hi Lo solenoid v...

Page 430: ...he main delivery pipe 3 power steering delivery pipe 2 and delivery pipe 5 When reassembling 9Y1210824ENS0023US0 Tightening torque Hex socket head plug of charge relief valve 49 to 59 N m 5 0 to 6 0 k...

Page 431: ...insert the PTO shaft to PTO clutch firmly turning the PTO shaft Apply liquid gasket Three Bond 1208C or equivalent to joint face of the mid case and transmission case 9Y1210824TRS0113US0 Tightening t...

Page 432: ...e 9Y1210824TRS0114US0 PTO Clutch Valve 1 Remove the PTO clutch valve 2 as a unit 2 Pull out the pipe 1 When reassembling Apply small amount of grease for the O ring 3 Install the pipe 1 to the hole 4...

Page 433: ...of rear axle by stands 4 Remove the ROPS lower frame mounting screws 2 5 Remove the ROPS lower frames 1 When reassembling 9Y1210824TRS0116US0 Tightening torque Mid case bearing holder mounting screw 4...

Page 434: ...harness 6 to the front 9Y1210824TRS0112US0 Tightening torque Front loader pipe retaining nut 90 0 to 108 N m 9 18 to 11 0 kgf m 66 4 to 79 6 lbf ft Joint bolt for main delivery pipe 40 to 49 N m 4 0 t...

Page 435: ...d gasket Three Bond 1208C or equivalent to joint face of the brake case and transmission case Apply liquid lock to the fulcrum screw Be sure to apply liquid gasket to A position Be sure to fix the bra...

Page 436: ...ock nut 5 3 Remove the pinion bearing case mounting screws 4 Remove the pinion bearing cover 4 and shims 1 When reassembling Make sure of the number of shims in the pinion bearing case Replace the loc...

Page 437: ...sion bearing holder 1 When reassembling Tap in the transmission bearing holder with soft hummer until contact to transmission case and then tighten the screws to specified torque Tap in the spring pin...

Page 438: ...eassembling Apply transmission fluid to needle bearings 12 9Y1210824TRS0123US0 1 Traveling Speed Sensor 2 Front Wheel Drive Shaft 3 PTO Drive Shaft 4 Spiral Bevel Pinion Shaft 5 Range Gear Shaft 6 Shi...

Page 439: ...ng case mounting screws and draw out the PTO shaft 1 with bearing case 6 3 Remove the internal snap ring 2 4 Top out the PTO shaft 1 to the front When reassembling If the lock nut 7 was removed replac...

Page 440: ...proportional valve connector 2 2 Remove the PTO delivery pipe 3 3 Remove the regulating valve assembly 1 When reassembling IMPORTANT In installing the connector of the proportional valve pay attentio...

Page 441: ...ugs 12 15 4 Remove the spring retainers 8 21 with balls 7 22 5 Remove the springs 9 20 6 Remove the collar 11 and retainer 8 with ball 7 7 Remove the spools 10 17 When reassembling Be careful not to d...

Page 442: ...ear Groove 1 Place for in the groove to check clearance with feeler gauge 2 If the clearance exceeds allowable limit replace 9Y1210824TRS0129US0 Clearance between Gear and Shaft 1 Measure the shaft O...

Page 443: ...ring for fatigue or wear on the area where the spring contacts with the keys 3 If there is any problem replace them 9Y1210824TRS0133US0 Side Clearance between Synchronizer Ring and Gear In Contact 1 P...

Page 444: ...e allowable limit size underneath it at least four points 3 If the gauge can be inserted replace it 9Y1210824TRS0137US0 Piston Return Spring Free Length 1 Measure the free length of spring with vernie...

Page 445: ...turning torque by using turning torque tool 1 Turning Torque Tool Weld socket on the brake shaft Brake shaft Part No TA040 26710 3 Add or reduce the thickness of shims 3 to make the specified turning...

Page 446: ...ions equally spaced on the spiral bevel gear 6 Turn the spiral bevel pinion shaft while pressing a wooden piece against the periphery on the spiral bevel gear 7 Check the tooth contact If not proper a...

Page 447: ...ure the bore I D of the differential case and differential case cover 2 Measure the differential side gear boss O D and calculate the clearance 3 If the clearance exceeds the allowable limit replace t...

Page 448: ...of differential side gear washer 1 5 mm 0 059 in 1 6 mm 0 063 in 1 7 mm 0 067 in 9Y1210824TRS0144US0 2 GLIDE SHIFT TRANSMISSION GST 1 Bearing Gear and Shaft Refer to 3 S123 9Y1210824TRS0145US0 2 Synch...

Page 449: ...east four points 3 If the gauge can be inserted replace it 9Y1210824TRS0151US0 Piston Return Spring Free Length 1 Measure the free length of spring with vernier calipers 2 If the measurement is less t...

Page 450: ...e the thickness of seal rings 1 with an outside micrometer 2 If the measurement is less than the allowable limit replace it 9Y1210824TRS0153US0 Thickness of seal ring Factory specification 2 45 to 2 5...

Page 451: ...If the shaft is rough or groove replace it 9Y1210824TRS0158US0 Cylinder Block Bore and Pistons 1 Lift the pistons gently with the retainer plate 1 2 Check the pistons for their free movement in the cy...

Page 452: ...at them with transmission oil Valve plates are not interchangeable 9Y1210824TRS0162US0 Swashplate and Cradle Bearing 1 Check the piston contact face of swashplate 1 for scratched and excessive wear an...

Page 453: ...re to check and adjust the setting pressure See page 3 S32 9Y1210824TRS0166US0 Servo Piston 1 Check the surface of servo piston for scratches and excessive wear 2 If worn or scored replace the servo p...

Page 454: ...4 REAR AXLE KiSC issued 03 2016 A...

Page 455: ...CONTENTS 1 STRUCTURE 4 M1 MECHANISM KiSC issued 03 2016 A...

Page 456: ...wheels The rotation speed is reduced by the final gears 9 The 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 l...

Page 457: ...Y1210824RAM0002US0 1 Rear Axle Cover 2 Ball Bearing 3 Rear Axle 4 Rear Axle Case 5 Differential Gear Shaft 6 Brake Case 7 Brake Disc 8 Differential Pinion 9 Ring Gear 10 Final Gear 11 Differential Loc...

Page 458: ...CONTENTS 1 TROUBLESHOOTING 4 S1 2 TIGHTENING TORQUES 4 S2 3 PREPARATION 4 S3 4 DISASSEMBLING AND ASSEMBLING 4 S7 SERVICING KiSC issued 03 2016 A...

Page 459: ...mptom Probable Cause Solution Reference Page Excessive or Unusual Noise at All Time Bearing worn Replace 4 S7 Insufficient or improper type of transmission fluid used Fill or change G 9 Noise while Tu...

Page 460: ...ROPS lower frame mounting screw 167 to 196 17 0 to 20 0 123 to 144 Cabin mounting bolt and nut 124 to 147 12 6 to 15 0 91 5 to 108 Cabin mount bracket mounting screw 7T 124 to 147 12 6 to 15 0 91 5 to...

Page 461: ...ning the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level IMPORTANT Use only KUBOTA SUPER UDT fluid Use of other oils may dam...

Page 462: ...the lower link 6 6 Remove the ROPS lower frame mounting screws 8 7 Dismount the ROPS assembly 2 4 When reassembling 9Y1210824RAS0004US0 Tightening torque Rear wheel mounting screw and nut 197 to 225...

Page 463: ...reassembling 9Y1210824RAS0006US0 Tightening torque Rear wheel mounting screw and nut 197 to 225 N m 20 0 to 23 0 kgf m 145 to 166 lbf ft Cabin mounting bolt and nut 124 to 147 N m 12 6 to 15 0 kgf m...

Page 464: ...ase When reassembling Apply liquid gasket Three Bond 1208C or equivalent to joint face of the rear axle case and brake case 9Y1210824RAS0007US0 Tightening torque Rear axle case mounting screw and nut...

Page 465: ...When reassembling Apply grease to the oil seal 2 and install it Replace the lock nut with new one and after tightening it to specified torque stake it firmly Assemble the oil seal 2 with correct direc...

Page 466: ...5 BRAKES KiSC issued 03 2016 A...

Page 467: ...CONTENTS 1 STRUCTURE 5 M1 2 OPERATION 5 M2 MECHANISM KiSC issued 03 2016 A...

Page 468: ...by the brake pedals 4 through the mechanical linkages The parking brake is a mechanical type which is designed to actuate the travelling brakes Pulling the parking brake lever 3 results in the same s...

Page 469: ...discs 2 are provided respectively and the plate 6 fixed to the brake case 1 are arranged between the brake discs 2 During Braking When the brake pedal is pressed the force causes the brake cam lever 5...

Page 470: ...2 SERVICING SPECIFICATIONS 5 S2 3 TIGHTENING TORQUES 5 S3 4 CHECKING AND ADJUSTING 5 S4 1 BRAKE PEDAL 5 S4 5 DISASSEMBLING AND ASSEMBLING 5 S5 1 BRAKE PEDAL 5 S5 2 BRAKE CASE 5 S8 6 SERVICING 5 S15 S...

Page 471: ...am plate warped Replace 5 S15 Brake Drags Brake pedal play too small Adjust 5 S4 Ball holes of cam plate for uneven wear Replace 5 S15 Brake pedal return spring weaken or broken Replace Brake cam rust...

Page 472: ...le Limit Brake Pedal Free Travel 15 to 20 mm 0 59 to 0 78 in Cam Plate Flatness 0 30 mm 0 012 in Cam Plate and Ball Height 20 9 to 21 1 mm 0 823 to 0 830 in 20 5 mm 0 807 in Brake Disc Thickness 4 60...

Page 473: ...o 108 Cabin mount bracket mounting screw 7T 124 to 147 12 6 to 15 0 91 5 to 108 Cabin mount bracket mounting screw 9T 167 to 196 17 0 to 20 0 123 to 144 Rear axle case mounting screw M10 48 to 55 4 9...

Page 474: ...travel L at top of pedal stroke 3 If the measurement is not within the factory specifications loosen the lock nut 1 and turn the turnbuckle 2 to adjust the rod length within acceptable limits 4 Retigh...

Page 475: ...2 HST only 3 Disconnect the main switch connector 4 and side working light connector 3 4 Disconnect the DPF switch connector 5 DPF auto switch connector 8 hazard switch connector 6 and display mode s...

Page 476: ...ring 2 5 Tap out the spring pin 6 and pull out the brake pedal shaft 9 with clutch pedal 8 6 Remove the brake pedals 4 7 and springs 5 7 Remove the parking brake lever 1 9Y1210824BRS0007US0 1 Parking...

Page 477: ...l snap ring 7 5 Tap out the spring pin 3 and pull out the brake pedal shaft 11 6 Remove the brake pedals 2 6 and springs 4 7 Remove the parking brake lever 8 9Y1210824BRS0008US0 1 Brake Pedal Shaft 2...

Page 478: ...ng the engine for a few minutes stop it and check the oil level again add the fluid to prescribed level if it is not correct level IMPORTANT Use only KUBOTA SUPER UDT fluid Use of other oils may damag...

Page 479: ...he lower link 6 6 Remove the ROPS lower frame mounting screws 8 7 Dismount the ROPS assembly 2 4 When reassembling 9Y1210824RAS0004US0 Tightening torque Rear wheel mounting screw and nut 197 to 225 N...

Page 480: ...reassembling 9Y1210824RAS0006US0 Tightening torque Rear wheel mounting screw and nut 197 to 225 N m 20 0 to 23 0 kgf m 145 to 166 lbf ft Cabin mounting bolt and nut 124 to 147 N m 12 6 to 15 0 kgf m 9...

Page 481: ...se When reassembling Apply liquid gasket Three Bond 1208C or equivalent to joint face of the rear axle case and brake case 9Y1210824RAS0007US0 Tightening torque Rear axle case mounting screw and nut M...

Page 482: ...and remote control valve linkage 7 5 Disconnect the hydraulic cylinder hose 4 6 Remove the bracket 8 on the coupler side of the remote valve 7 Remove the screw 9 of the remote control valve bracket 8...

Page 483: ...e sure to apply the liquid gasket to a position Apply grease to the steel ball seats Do not grease excessively Be sure to fix the brake cam 13 and cam plate 9 Before installing the brake case to the t...

Page 484: ...and remove the brake cam 2 and brake cam lever 4 When reassembling Apply grease to the O ring 3 and be careful not damage the O ring 9Y1210824BRS0011US0 Tightening torque Brake cam lever mounting nut...

Page 485: ...ace the cam plate and balls 3 Inspect the ball holes of cam plate for uneven wear If the uneven wear is found replace it 9Y1210824BRS0014US0 Brake Disc Wear 1 Measure the brake disc thickness with ver...

Page 486: ...6 FRONT AXLE KiSC issued 03 2016 A...

Page 487: ...CONTENTS 1 STRUCTURE 6 M1 MECHANISM KiSC issued 03 2016 A...

Page 488: ...gear shaft 21 in the bevel gear case 6 The revolution is greatly reduced by the bevel gears 23 4 then the power is transmitted to the axle 1 The differential system allows each wheel to rotate at a di...

Page 489: ...Bevel Gear 8 Bevel Gear Case 9 Differential Side Gear 10 Differential Pinion 11 Pinion Shaft 12 Collar 13 Front Axle Bracket Front 14 Spiral Bevel Gear 15 Spiral Bevel Pinion Shaft 16 Front Axle Brac...

Page 490: ...ICING SPECIFICATIONS 6 S2 3 TIGHTENING TORQUES 6 S4 4 CHECKING AND ADJUSTING 6 S5 5 DISASSEMBLING AND ASSEMBLING 6 S7 1 SEPARATING FRONT AXLE ASSEMBLY 6 S7 2 DISASSEMBLING FRONT AXLE 6 S8 6 SERVICING...

Page 491: ...l Adjust 6 S6 Front wheel sway excessive Replace 6 S5 Tie rod end loose Tighten 6 S9 Air sucked in power steering circuit Bleed 7 S5 Front Wheels Can Not Be Driven Propeller shaft broken Replace 6 S9...

Page 492: ...608 in 32 000 to 32 025 mm 1 2599 to 1 2608 in 31 911 to 31 950 mm 1 2564 to 1 2578 in 0 20 mm 0 0079 in Pinion Shaft to Differential Pinion Pinion Shaft Differential Pinion Clearance O D I D 0 064 to...

Page 493: ...2 7548 to 2 7559 in 70 100 to 70 262 mm 2 7599 to 2 7662 in 1 0 mm 0 039 in Front Axle Case Boss Rear to Bracket Bushing L4760 L5060 L5460 and L6060 Front Axle Case Boss Rear Bushing Clearance O D I D...

Page 494: ...60 and L6060 103 to 117 10 5 to 12 0 76 0 to 86 7 Tie rod end nut L3560 and L4060 40 to 45 4 0 to 4 6 29 to 33 Tie rod end nut L4760 L5060 L5460 and L6060 157 to 176 16 0 to 18 0 116 to 130 Bevel gear...

Page 495: ...Turn the tie rod joint 2 to adjust the rod length until the proper toe in measurement is obtained 4 Retighten the tie rod lock nut 1 5 Attach the snap ring 3 IMPORTANT A right and left tie rod joint i...

Page 496: ...the front gear case 1 contacts with the bevel gear case 2 at right hand side of the front axle 3 If the front gear case 1 can not be contacted with the bevel gear case 2 shorten the length of stopper...

Page 497: ...210824FAS0009US0 Power Steering Hoses 1 Disconnect the power steering hoses 1 2 from steering cylinder 2 Remove the cylinder cover 3 When reassembling 9Y1210824FAS0010US0 1 Coupling 2 Spring Pin 3 Pro...

Page 498: ...be hot and can burn 1 Remove the right and left drain plugs 3 and filling plug 2 at the front axle case and drain the oil completely 2 After draining reinstall the drain plugs 3 When refilling Remove...

Page 499: ...torques install a cotter pin as shown in the figure left 9Y1210824FAS0013US0 Bevel Gear Case and Front Gear Case L3560 and L4060 1 Remove the bevel gear case mounting screws 2 Remove the bevel gear ca...

Page 500: ...f axle flange Tighten the axle flange mounting screws and nuts diagonally in several steps 9Y1210824FAS0016US0 Bevel Gear and Bevel Gear Shaft 1 Remove the plug 5 2 Remove the internal snap ring 4 and...

Page 501: ...case noting its direction 9Y1210824FAS0018US0 Axle 1 Remove the bearing with a special use puller set Code No 07916 09032 2 Remove the bevel gear 2 3 Remove the collar 1 4 Tap out the axle 3 When reas...

Page 502: ...steering cylinder 6 Remove the internal snap ring 4 7 Draw out the steering cylinder 5 When reassembling Apply liquid lock Three Bond 1324 or equivalent to the tie rod joint 9Y1210824FAS0021US0 Tight...

Page 503: ...new ones Apply grease to the oil seal 6 Install the shims and collars to their original position Install the taper roller bearings correctly noting their direction and apply gear oil to them Tighten...

Page 504: ...s 12 When reassembling Apply molybdenum disulfide Three Bond 1901 or equivalent to the inner circumferential surface of the differential side gears 12 and differential pinions 4 9Y1210824FAS0023US0 Ti...

Page 505: ...mm 0 0079 in Differential case bore I D Factory specification 32 000 to 32 062 mm 1 2599 to 1 2622 in Differential case cover bore I D Factory specification 32 000 to 32 025 mm 1 2599 to 1 2608 in Dif...

Page 506: ...ssembly 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 specifications adjust with the lock nut If the turning t...

Page 507: ...9Y1210824FAS0028US0 Backlash between Bevel Gear and Bevel Gear 1 Stick a strip of plastigauge to three spots on the bevel gear 1 with grease 2 Fix the front axle case bevel gear case and front gear ca...

Page 508: ...h an outside micrometer 5 If the backlash is not within the factory specifications adjust with shim 3 Reference Thickness of adjusting shims 0 4 mm 0 016 in 0 5 mm 0 020 in 2 0 mm 0 079 in Tooth conta...

Page 509: ...O D Factory specification 49 950 to 49 975 mm 1 9666 to 1 9675 in Bracket bushing front I D Factory specification 50 095 to 50 225 mm 1 9723 to 1 9773 in Clearance between front axle case boss rear a...

Page 510: ...lculate the clearance 3 If the clearance exceeds the allowable limit replace it 9Y1210824FAS0032US0 Clearance between bevel gear case boss and front axle support bushing Factory specification 0 080 to...

Page 511: ...7 STEERING KiSC issued 03 2016 A...

Page 512: ...CONTENTS 1 STRUCTURE 7 M1 2 HYDRAULIC CIRCUIT 7 M2 3 HYDRAULIC PUMP 7 M3 4 STEERING CONTROLLER 7 M4 5 STEERING CYLINDER 7 M6 MECHANISM KiSC issued 03 2016 A...

Page 513: ...tem consists of steering wheel 1 steering joint shafts 2 steering controller 5 steering cylinder 4 and other components shown in the figure 9Y1210824STM0001US0 1 Steering Wheel 2 Steering Joint Shaft...

Page 514: ...r rod then moves to control the directional movement of the front wheels Return oil from steering cylinder 2 passes through control valve 10 is sent to the PTO clutch valve HST GST valve etc When the...

Page 515: ...shown in the figure The hydraulic pump pressure fed the oil drawn from the transmission case through oil filter to power steering circuit and main hydraulic circuit 9Y1210824STM0003US0 1 Drive Gear 1...

Page 516: ...nt corresponding to the turn of the steering wheel 1 and the gerotor 3 performs the metering function and lets oil through it the amount of which corresponds to the turn of the steering wheel 1 The oi...

Page 517: ...rn as well except that oil flows into and out of steering cylinder 4 in the directions opposite to those at a right turn 9Y1210824STM0006US0 1 Steering Wheel 2 Valve Plate 3 Gerotor 4 Steering Cylinde...

Page 518: ...both knuckle arm guarantees equal steering movement to both front wheels The steering cylinder provides force in both directions Depending upon direction the steering wheel is turned pressure oil ente...

Page 519: ...TIGHTENING TORQUES 7 S3 4 CHECKING AND ADJUSTING 7 S4 1 STEERING CONTROLLER 7 S4 5 DISASSEMBLING AND ASSEMBLING 7 S5 1 STEERING CONTROLLER 7 S5 2 STEERING LINKAGE 7 S6 3 STEERING CYLINDER 7 S7 6 SERVI...

Page 520: ...ssure Inflate G 73 Steering controller malfunctioning Replace 7 S5 Relief valve malfunctioning Replace 7 S4 Steering Force Fluctuates Air sucked in pump due to leaking or missing of oil Fill Air sucke...

Page 521: ...Temperature 40 to 60 C 104 to 140 F Setting Pressure L3560 L4060 L4760 L5060 L5460 L6060 10 7 to 11 7 MPa 110 to 119 kgf cm2 1560 to 1690 psi 12 7 to 13 7 MPa 130 to 139 kgf cm2 1850 to 1980 psi Item...

Page 522: ...hose retaining nut 25 to 29 2 5 to 3 0 18 to 21 Power steering delivery pipe retaining nut 49 to 58 5 0 to 6 0 37 to 43 Front wheel mounting nut 137 14 0 101 Tie rod end slotted nut L3560 L4060 40 to...

Page 523: ...turn the steering wheel to the left and read the pressure when the relief valve functions 6 Stop the engine 7 If the pressure is not within the factory specifications check the pump delivery line or...

Page 524: ...d the steering joint support 4 5 Remove the steering joint shaft 3 When reassembling Tighten the steering joint shaft support mounting screw after adjusting the position of steering joint shaft suppor...

Page 525: ...the front grill 1 3 Remove the steering joint cover 2 4 Remove the steering joint screw 5 and the steering joint support 4 5 Remove the steering joint shaft 3 When reassembling Tighten the steering j...

Page 526: ...emove the head cover 7 and draw out the cylinder rod 6 When reassembling Apply transmission fluid to the oil seal and O ring Apply liquid lock Three Bond 1324B or equivalent to the thread of tie rod j...

Page 527: ...hing 1 Measure the bushing I D with a cylinder gauge 2 Measure the rod O D with a outside micrometer and calculate the clearance 3 If the clearance exceeds the allowable limit replace as a unit 9Y1210...

Page 528: ...8 HYDRAULIC SYSTEM KiSC issued 03 2016 A...

Page 529: ...OINT HITCH HYDRAULIC SYSTEM 8 M7 1 THREE POINT HITCH HYDRAULIC CIRCUIT 8 M7 2 REAR HYDRAULIC BLOCK 8 M8 3 POSITION CONTROL VALVE 8 M8 4 POSITION CONTROL LINKAGE 8 M10 5 LOWERING SPEED ADJUSTING VALVE...

Page 530: ...of machine consists of a hydraulic pump 8 front loader control valve 6 hydraulic cylinder and other components 9Y1210824HYM0001US0 1 Hydraulic Block 2 GST Valve GST Only 3 Power Steering Controller 4...

Page 531: ...consists of a hydraulic pump 4 front loader control valve 7 hydraulic cylinder and other components 9Y1210824HYM0002US0 1 Hydraulic Block 2 HST Unit 3 Power Steering Cylinder 4 Hydraulic Pump 5 Regula...

Page 532: ...d 3 point hitch 9Y1210824HYM0003US0 1 Position Control Valve 2 Hydraulic Cylinder 3 Cylinder Safety Valve 4 Lowering Speed Adjusting Valve 5 Auxiliary Control Valve 6 Power Steering Controller 7 PTO C...

Page 533: ...point hitch 9Y1210824HYM0004US0 1 Position Control Valve 2 Hydraulic Cylinder 3 Cylinder Safety Valve 4 Lowering Speed Adjusting Valve 5 Auxiliary Control Valve 6 Power Steering Controller 7 PTO Clut...

Page 534: ...210824HYM0005US0 1 Position Control Valve 2 Hydraulic Cylinder 3 Cylinder Safety Valve 4 Lowering Speed Adjusting Valve 5 Auxiliary Control Valve 6 Power Steering Controller 7 Oil Filter 8 Oil Cooler...

Page 535: ...as shown in the figure The hydraulic pump pressure fed the oil drawn from the transmission case through oil filter to power steering circuit and main hydraulic circuit 9Y1210824HYM0006US0 1 Drive Gea...

Page 536: ...position oil is channeled from N port to the control valve 1 4 The hydraulic system has a relief valve 9 which restricts the maximum pressure in the circuit The hydraulic cylinders 2 have a cylinder s...

Page 537: ...port The oil in the chamber A behind the unload poppet 1 4 returns to the tank from T4 port The oil in the hydraulic cylinder does not flow out because the circuit is cut off by the actions of poppet...

Page 538: ...pressure in chamber B and then the oil from the pump returns to the transmission case through T3 port until unload poppet 1 2 opens 9Y1210824HYM0011US0 Lowering When the control lever is moved to DOW...

Page 539: ...d to the arrow since the feedback rod is actuated Therefore the spool drive lever 3 moves around the fulcrum Q and pull the spool 1 3 The lift arm stops when the spool returns to the neutral position...

Page 540: ...lowering speed of the three points linkage When the rotor shaft 2 is completely closed the three point linkage is held at its position since oil in the hydraulic cylinder is sealed between the hydrau...

Page 541: ...single acting type and it is installed directly between hydraulic lift arm and lower link The main components of the hydraulic cylinder are shown in the figure 9Y1210824HYM0015US0 1 Cylinder Tube 2 Ro...

Page 542: ...housing spool load check valve etc This valve has A1 and B1 ports and controls oil flow to the boom cylinder 3 Bucket Control Section The bucket control valve is of 4 position 6 connection no detent s...

Page 543: ...NT LOADER HYDRAULIC CIRCUIT 9Y1210824HYM0017US0 1 Relief Valve 2 Boom Control Valve 3 Bucket Control Valve 4 Front Loader Control Valve P Pump Port T Tank Port A1 A1 Port A2 A2 Port B1 B1 Port B2 B2 P...

Page 544: ...ION Neutral 9Y1210824HYM0018US0 1 Boom Control Section 2 Bucket Control Section 3 Spool 4 Spool 5 PB Passage 1 6 PB Passage 2 7 Load Check Valve 8 Relief Valve T Tank Port P Pump Port A1 A1 Port A2 A2...

Page 545: ...from the P port opens the load check valve 6 and flows through the notched section of the spool 3 and B1 port to extend the boom cylinder 8 3 Return oil from the boom cylinder 8 flows from the A1 port...

Page 546: ...rt opens the load check valve 6 and flows through the notched section of the spool 3 and A1 port to retract the boom cylinder 8 3 Return oil from the boom cylinder 8 flows from the B1 port through the...

Page 547: ...T port As a result oil in the boom cylinder 7 flows freely from the A1 port and B1 port through the T port to the transmission case 3 Oil entering the P port flows to the bucket control section 2 thro...

Page 548: ...he neutral passage 2 5 to the PB passage 2 6 is closed by the spool 4 this oil opens the load check valve 7 and flows through the notched section of the spool 4 and B2 port to retract the bucket cylin...

Page 549: ...the bucket cylinder 9 flows from the B2 port to the passage 2 8 and flows to the A2 port together with the pressure fed oil from the P port As a result the dump speed is increased Reference The oil pr...

Page 550: ...PB passage 1 3 As the oil passage from the neutral passage 2 5 to the PB passage 2 6 is closed by the spool 4 this oil opens the load check valve 7 and flows through the notched section of the spool 4...

Page 551: ...smission case through T port 9Y1210824HYM0026US0 Down When the spool 2 is moved in the direction of the arrow the pressure fed oil in the P port opens the check valve 1 and flows to the implement cyli...

Page 552: ...ideal for relieving shock pressure caused by heavy implement bounce and thereby reducing the possibility of damage to three point hydraulic system components If pressure in the cylinder becomes too gr...

Page 553: ...ITCH HYDRAULIC BLOCK ASSEMBLY 8 S17 1 Separating Hydraulic Block Assembly 8 S17 2 Disassembling Hydraulic Assembly 8 S19 3 POSITION CONTROL VALVE 8 S20 1 Separating Control Valve 8 S20 4 LIFT ARM SUPP...

Page 554: ...ly adjusted Adjust Hydraulic arm shaft lift arm improperly assembled Adjust 8 S23 3 point link improperly set Adjust Implement Does Not Lower Position control valve malfunctioning Spool damaged Replac...

Page 555: ...L4760 L5060 L5460 L6060 12 7 to 13 7 MPa 130 to 139 kgf cm2 1850 to 1980 psi Oil Temperature 40 to 60 C 104 to 140 F Delivery at No Pressure Manual Transmission and GST HST Above 18 6 L min 4 91 U S g...

Page 556: ...0 U S gals min 7 83 Imp gals min Delivery at Rated Pressure Manual Transmission and GST L3560 except L3560 HST L3560 except L3560 Above 30 9 L min 8 16 U S gals min 6 80 Imp gals min Above 36 3 L min...

Page 557: ...L4060 L4760 L5060 L5460 L6060 17 1 to 18 1 MPa 175 to 184 kgf cm2 2480 to 2620 psi 18 1 to 19 1 MPa 185 to 194 kgf cm2 2630 to 2770 psi Item Factory Specification Allowable Limit Lift Arm Free Play at...

Page 558: ...joint bolt 35 to 39 3 5 to 4 0 26 to 28 Regulating valve mounting screw 18 to 20 1 8 to 2 1 13 to 15 Hydraulic pump assembly mounting screw and nut 24 to 27 2 4 to 2 8 18 to 20 Pump cover mounting scr...

Page 559: ...ort 3 4 Remove the regulator delivery pipe 5 When reassembling Install the copper washers firmly Tighten the steering joint shaft support mounting screw after adjusting the position of steering joint...

Page 560: ...generate pressure approx 9 8 MPa 100 kgf cm2 1422 psi Hold in this condition until oil temperature reaches approx 40 C 104 F 7 Open the loading valve completely 8 Refer to Condition below to set the e...

Page 561: ...ted pressure Factory specification Above 18 2 L min 4 81 U S gals min 4 00 Imp gals min Allowable limit 16 2 L min 4 28 U S gals min 3 56 Imp gals min Hydraulic pump delivery at no pressure Factory sp...

Page 562: ...at 2000 to 2200 min 1 rpm 6 Slowly close the loading valve to generate pressure approx 14 7 MPa 150 kgf cm2 2133 psi Hold in this condition until oil temperature reached approx 40 C 104 F 7 Open the l...

Page 563: ...ls min Hydraulic pump delivery at rated pressure Factory specification Above 36 3 L min 9 59 U S gals min 7 98 Imp gals min Allowable limit 32 4 L min 8 56 U S gals min 7 13 Imp gals min Hydraulic pum...

Page 564: ...is not within the factory specification adjust the shim 3 Condition Engine speed Approx 2700 min 1 rpm Manual Transmission and GST Approx 2600 min 1 rpm HST Oil temperature 40 to 60 C 104 to 140 F Ref...

Page 565: ...the lock nut 3 firmly When reassembling When installing the safety valve to the rear hydraulic block be careful not to damage the O ring and apply transmission fluid NOTE Use specified transmission fl...

Page 566: ...ne speed at the maximum 8 Move the position control lever 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...

Page 567: ...ide Skirt R H 1 Pull down the knob 2 and open the bonnet 1 2 Remove the side skirt R H 3 9Y1210824HYS0012US0 Regulating Valve Manual Transmission and GST 1 Disconnect the power steering delivery pipe...

Page 568: ...egulating valve 8 4 Disconnect the suction hose 1 and main delivery pipe 4 5 Remove the hydraulic pump assembly 2 When reassembling Apply grease to the O ring and be careful not to damage it 9Y1210824...

Page 569: ...ably during running in recheck should be performed 1 Install the hydraulic pump to the tractor and mount the suction pipe and delivery pipe securely 2 Set the engine speed at 1300 to 1500 min 1 rpm an...

Page 570: ...ic Block Assembly Seat and Seat Bracket 1 Disconnect the seat switch connector 1 and seat tilt switch connector 2 2 Remove the seat 3 3 Remove the seat suspension 4 together with seat bracket 5 9Y1210...

Page 571: ...ly Visually inspect the gasket if damaged replace with new one After reassembling be sure to adjust the position control feedback rod length See page 8 S13 9Y1210824HYS0019US0 Tightening torque Hydrau...

Page 572: ...out the spring 4 seat 5 and ball 6 When reassembling Be careful not to damage the O rings IMPORTANT After disassembling and assembling the cylinder safety valve assembly be sure to check the operating...

Page 573: ...less necessary If disassembled due to unavoidable reasons be sure to set the dimension A to 0 2 mm 0 008 in When reassembling Be careful not to damage the backup ring and O rings 9Y1210824HYS0025US0 1...

Page 574: ...ing Apply grease to the hydraulic cylinder pins Install the cylinder pin lower from right hand side 9Y1210824HYS0027US0 Tightening torque Lift arm pin mounting nut 78 to 90 N m 7 9 to 9 2 kgf m 58 to...

Page 575: ...reassembling Apply transmission fluid to the piston 2 head 5 and cylinder tube 3 Be careful not to damage the O ring backup ring and seal Apply liquid gasket Three Bond 1208C or equivalent to the top...

Page 576: ...lift arm L H 7 as a unit 4 Remove the collar 4 and O ring 3 When reassembling Align the alignment marks 8 of the lift arm shaft and lift arms Apply grease to the right and left bushings of lift arm s...

Page 577: ...Remove the front 4 and rear support mounting screws 2 of the right and left fuel tanks 5 8 6 Lower the fuel tanks 5 8 together with the disassembling stands 7 Disconnect the fuel hoses 6 overflow hos...

Page 578: ...Remove the seat suspension 4 together with seat bracket 5 9Y1210824HYS0018US0 Rear Wheel 1 Place the disassembling stand under the transmission case 2 Remove the rear wheel mounting screws and nuts 3...

Page 579: ...pes 4 4 Remove the front loader control valve assembly 5 When reassembling 9Y1210824HYS0032US0 Tightening torque Joint bolt for delivery pipe 1 and 2 118 to 137 N m 12 0 to 14 0 kgf m 46 8 to 101 lbf...

Page 580: ...all 28 4 Draw out the spool 15 16 with other component parts from valve body 14 Relief Valve 1 Remove the plug 1 spring 5 and poppet 6 7 9Y1210824HYS0033US0 1 Plug 2 O ring 3 Washer 4 Shim 5 Spring 6...

Page 581: ...4 Draw out the spring 4 seat 5 and ball 6 When reassembling When installing the safety valve to the hydraulic cylinder block be careful not to damage the O ring 9Y1210824HYS0034US0 Tightening torque...

Page 582: ...ing is worn beyond the alloy portion A replace it Reference 9Y1210824HYS0035US0 Lift Arm Bushing 1 Visually inspect the DX bushings for signs of wear or damage The DX bushing tends to show concentrate...

Page 583: ...beyond the alloy portion A replace it Reference 9Y1210824HYS0037US0 Hydraulic Cylinder I D 1 Measure the hydraulic cylinder I D with a cylinder gauge 2 If the cylinder I D exceed the allowable limit r...

Page 584: ...Side Plate Thickness 1 Measure the side plate thickness with an outside micrometer 2 If the thickness is less than the allowable limit replace it 9Y1210824HYS0040US0 Clearance between bushing and gear...

Page 585: ...9 ELECTRICAL SYSTEM KiSC issued 03 2016 A...

Page 586: ...SYSTEM OUTLINE 9 M17 2 CONSTRUCTION AND FUNCTION OF COMPONENTS 9 M18 1 Instrument Panel 9 M18 2 Electric Control Unit ECU 9 M18 3 Switches 9 M19 4 Sensors 9 M23 5 Others 9 M25 3 BASIC CONTROL SYSTEM...

Page 587: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M1 1 WIRING DIAGRAM 1 MANUAL TRANSMISSION WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 588: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M2 2 MANUAL TRANSMISSION WITH CCV HEATER KiSC issued 03 2016 A...

Page 589: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M3 3 GST WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 590: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M4 4 GST WITH CCV HEATER KiSC issued 03 2016 A...

Page 591: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M5 5 HST ROPS TYPE WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 592: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M6 6 HST ROPS TYPE WITH CCV HEATER KiSC issued 03 2016 A...

Page 593: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M7 7 HST CABIN TYPE WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 594: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M8 8 HST CABIN TYPE WITH CCV HEATER KiSC issued 03 2016 A...

Page 595: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M9 2 ELECTRICAL CIRCUIT 1 MANUAL TRANSMISSION WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 596: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M10 2 MANUAL TRANSMISSION WITH CCV HEATER KiSC issued 03 2016 A...

Page 597: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M11 3 GST WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 598: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M12 4 GST WITH CCV HEATER KiSC issued 03 2016 A...

Page 599: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M13 5 HST ROPS TYPE WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 600: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M14 6 HST ROPS TYPE WITH CCV HEATER KiSC issued 03 2016 A...

Page 601: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M15 7 HST CABIN TYPE WITHOUT CCV HEATER KiSC issued 03 2016 A...

Page 602: ...ELECTRICAL SYSTEM L3560 L4060 L4760 L5060 L5460 L6060 WSM 9 M16 8 HST CABIN TYPE WITH CCV HEATER KiSC issued 03 2016 A...

Page 603: ...lays The hour meter the trip meter the fuel consumption the PTO rpm the HST setting PM volume status and service inspect etc on the LCD which are basic information necessary for the tractor operation...

Page 604: ...ain Electric Control Unit ECU The ECU 1 functions to operate in accordance with information coming from various sensors It has the role of controlling all the components while sharing sensor informati...

Page 605: ...mp 9Y1210824ELM0014US0 PTO Switch This switch 1 is mounted on the right cover sends a 12 V signal to light up the lamp at the electronic instrument panel when PTO is used It also serves as a safety sw...

Page 606: ...ss the auto regeneration switch 1 and the Auto Mode and Inhibit Mode changes alternately The tractor has been set to Inhibit Mode by default When the main key switch is turned ON the tractor will be i...

Page 607: ...the parking brake lever 2 It is switched on when the parking brake is applied thereby sending a signal to light up the pilot lamp at the electronic instrument panel 9Y1210824ELM0023US0 Shuttle Switch...

Page 608: ...f the brake pedal This switch 1 is turned on when the brake pedal is depressed 9Y1210824ELM0026US0 Cruise Control Switch For HST The cruise control switch 1 is located right of the electronic instrume...

Page 609: ...nel When the fuel has got shorter than approx 6 L 1 5 U S gals or so the fuel level indicator and the message appears on the electrical instrument panel 9Y1210824ELM0030US0 Coolant Temperature Sensor...

Page 610: ...e is 140 degrees It also outputs the position of the lever from N to 12th speed stage in the range of approximately 0 4 to 4 5 V and then sends a signal to the electronic instrument panel and ECU 9Y12...

Page 611: ...s the variable resistor of revolution angle type and the maximum resistance value is approximately 5 4 k It outputs the lever position of L M N or H in the range of approximately 0 3 to 4 6 V 9Y121082...

Page 612: ...0824ELM0042US0 GST Valve Solenoid Valves and Proportional Reducing Valve For GST This valve 1 includes the sensors and switches and the associated necessary for GST control solenoid that actuates GST...

Page 613: ...ation for necessity of emergency connector GST lever sensor is damaged There is no signal between main ECU and proportional reducing valve Proportional reducing valve is OK Use of emergency connector...

Page 614: ...Engine oil pressure warning indicator 7 Engine warning indicator 8 IntelliPanel display 9 Coolant temperature gauge 10 Fuel gauge 11 High beam indicator 12 PTO indicator 13 Cruise control indicator H...

Page 615: ...isplay LCD 2 is split in 2 parts The upper side A shows position of the gear shift lever 3 service inspect indicator 4 travel speed 5 and clock 6 The lower side B shows normal display 7 To be continue...

Page 616: ...oil change has come Change the engine oil with fresh one Stays displayed for 3 seconds or so after the engine has got started Buckle up the seat belt Stays displayed while the cooling water temperatur...

Page 617: ...id crystal display LCD 2 while the main switch is turned ON or the engine is starting By pushing the display mode switch 3 it is switched to five kinds HST six kinds of displays shown in the table bel...

Page 618: ...or has been used the last digit indicates 1 10 of an hour Display 2 Fuel consumption mode Average fuel consumption is measured per hour from the previous resetting Total fuel consumption is measured f...

Page 619: ...10824ELM0050US0 Manual Transmission and GST The safety switch for engine starting is adopted for the shuttle lever and the PTO switch in these models 9Y1210824ELM0051US0 When both the shuttle lever an...

Page 620: ...TO switch are not set a Neutral position Turn the PTO switch to OFF and foot off of the HST pedal 9Y1210824ELM0056US0 When the PTO switch is not set at a Neutral position Turn the PTO switch to Neutra...

Page 621: ...en during operation check the electrical charging system 3 Engine oil pressure Indicator If the oil pressure in the engine goes below the prescribed level the warning lamp in the Easy Checker will com...

Page 622: ...put is not enough d The engine output is enough but the warning indicator stays on If the engine output is not enough immediately interrupt the operation and move the tractor to a safe place and stop...

Page 623: ...hould happen during operation check the charging system At above mentioned the warning indicator s lighting and it informs warning 9Y1210824ELM0062US0 1 Liquid Crystal Display LCD 2 Master System Warn...

Page 624: ...switch is pushed ATA indicator come on 6 Stall Guard Indicator If the Stall Guard is chosen in the HST Mode the Stall Guard indicator will come on 7 Cruise Control Indicator The cruise control indica...

Page 625: ...ve gets in trouble the system adjusts itself to an accessible shift position or the neutral position no matter which position the shift lever stays in 9Y1210824ELM0065US0 2 Self diagnosis Function The...

Page 626: ...50 GST Lever SENSOR NG GST lever sensor is in trouble ERROR No 51 Shuttle SWITCH NG Shuttle lever switch is in trouble ERROR No 60 GST SOLENOID NG Proportional reducing valve is in trouble ERROR No 6...

Page 627: ...CU is in trouble ERROR No 80 Range Shift SENSOR NG Sensor for range gear shift lever is in trouble ERROR No 81 HST Pedal SENSOR NG Sensor for speed control pedal is in trouble ERROR No 82 Swash Plate...

Page 628: ...1 Liquid Crystal Display LCD 2 Display Mode Switch Mode Details of Mode Transmission Model Contents Manual GST HST A Test Mode For the checking the sensors voltage or engine and PTO revolution exhaust...

Page 629: ...t Panel 4 Main ECU 5 Shuttle Switch 6 Seat Switch 7 Seat Tilt Switch 8 PTO Switch 9 Engine ECU 10 Engine ECU Power Relay 11 Boost Sensor 12 Rail Pressure Sensor 13 Coolant Temperature Sensor 14 Camsha...

Page 630: ...itch 6 Seat Switch 7 Seat Tilt Switch 8 PTO Switch 9 Engine ECU 10 Engine ECU Power Relay 11 Boost Sensor 12 Rail Pressure Sensor 13 Coolant Temperature Sensor 14 Camshaft Position Sensor 15 Crankshaf...

Page 631: ...ensor 6 Seat Switch 7 Seat Tilt Switch 8 PTO Switch 9 Engine ECU 10 Engine ECU Power Relay 11 Boost Sensor 12 Rail Pressure Sensor 13 Coolant Temperature Sensor 14 Camshaft Position Sensor 15 Cranksha...

Page 632: ...t When tilting these t forward the seat tilt switch 2 is not pushed and electrical circuit is closed 9Y1210824ELM0073US0 PTO Switch This switch is located right cover When the PTO switch is in OFF pos...

Page 633: ...l When the HST pedal is operated signals are sent to the ECU 9Y1210824ELM0076US0 Main ECU Electrical Control Unit The main ECU is located inside of steering cover 9Y1210824ELM0077US0 Engine ECU Electr...

Page 634: ...r presence controller from main switch ST terminal and the engine can be started 9Y1210824ELM0079US0 1 Shuttle Shift Lever 2 PTO Switch 3 Seat Switch 4 Seat Tilt Switch 5 HST Pedal A Manual Transmissi...

Page 635: ...is not engaged and the seat is tilted the engine does not stop even if rear PTO is engaged 9Y1210824ELM0080US0 1 Shuttle Shift Lever 2 PTO Switch 3 Seat Switch 4 Seat Tilt Switch 5 HST Pedal A Manual...

Page 636: ...umber of transitions and high resilience to external disturbance A number of data rates is 500 kbps kilo bits per second The CAN Bus interface uses an asynchronous transmission scheme controlled by st...

Page 637: ...Setting the Function of Proportional Reducing Valve 9 S24 8 Mode G GST Shift Shock Fine adjustment Mode Adjusting the Clutch Engaging Interval 9 S26 9 Mode J Speed Unit Selection Mode Input the Trave...

Page 638: ...or If Equipped 9 S79 6 EGR Valve 9 S80 7 Crankshaft Position Sensor 9 S81 8 Camshaft Position Sensor 9 S82 9 Air Flow Sensor 9 S83 10 Intake Throttle Valve 9 S84 11 Exhaust Temperature Sensor 9 S85 12...

Page 639: ...cted or improperly connected Repair or replace Cooling fan belt slipping Adjust tension G 28 Symptom Probable Cause Solution Reference Page Starter Motor Does Not Operate Battery discharged or damaged...

Page 640: ...r or replace Hazard Light Does Not Light Fuse blown Replace 9 S33 Bulb blown Replace G 46 Wiring harness disconnected or improperly connected Repair or replace Flasher unit damaged Replace 9 S71 Hazar...

Page 641: ...ow fuse blown Replace 9 S34 Electronic instrument panel connector disconnect Connect 9 S37 Electronic instrument panel damaged Replace 9 S15 Indication on LCD Does Not Change When Pushing the Display...

Page 642: ...Check the sensor connector 9 S48 Check the ground cable 9 S35 ERROR No 51 Shuttle SWITCH NG Shuttle lever switch is in trouble Shuttle switch failure Check the shuttle switch 9 S63 Replace the shuttl...

Page 643: ...or 9 S49 Check the ground cable 9 S35 ERROR No 50 GST Lever SENSOR NG GST lever sensor is in trouble Lever sensor output terminal is out of adjustment Wiring for sensor is disconnected or short circui...

Page 644: ...nnector of solenoid ERROR No 64 4 8th Speed NG Solenoid 4 is in trouble At reverse Check the resistance between solenoid and GND 9 S51 Replace GST valve 3 S79 ERROR No 65 1 6th Speed NG Solenoid 5 Hi...

Page 645: ...ed control pedal is in trouble Sensor output terminal is out of adjustment Wiring for sensor is disconnected or short circuited Sensor failure Main sensor voltage 0 2 V or 4 9 V Sub sensor voltage 0 2...

Page 646: ...Lo solenoid output terminals voltage is out of specification Hi Lo solenoid broken or short circuited Wiring for Hi Lo solenoid valve is disconnected or short circuited Travel motion is possible The...

Page 647: ...re Sensor at 20 C 4 F at 20 C 68 F at 80 C 176 F at 100 C 212 F at 120 C 248 F Resistance Resistance Resistance Resistance Resistance 13 54 to 16 63 k 2 28 to 2 63 k 0 30 to 0 33 k 0 1836 k 0 1108 k S...

Page 648: ...lts and nuts on the table below are especially specified For general use screws bolts and nuts Refer to 5 TIGHTENING TORQUES on page G 11 9Y1210824ELS0165US0 Item N m kgf m lbf ft Starter terminal nut...

Page 649: ...st and the lead to the positive terminal post and measure the battery voltage 3 If the battery voltage is less than the factory specification check the battery specific gravity and recharge the batter...

Page 650: ...battery as early as possible Failure to do this will shorten the battery s service life 3 The battery is charge if the indicator display turns green from black 4 When exchanging an old battery for a...

Page 651: ...is not on the gradation baseline 0 position turn the adjustment screw until it matches 5 When zero adjustment is complete wipe the prism and cover surface with a soft cloth or tissue paper Measuremen...

Page 652: ...ust the mode E and mode F 9Y1210824ELS0007US0 2 Engine ECU Engine ECU 1 Open the seat under cover 2 with the seat 1 2 Make sure that set the floor seat rod 3 3 Disconnect the engine ECU connector 4 IM...

Page 653: ...C and mode J 9Y1210824ELS0009US0 3 TESTING SETTING AND ADJUSTING BY ELECTRONIC INSTRUMENT PANEL INTELLIPANEL The following setting adjustments and testing can be done by using the electronic instrumen...

Page 654: ...isplay mode switch 2 The buzzer rings and marked display moved 4 Hold down the display mode switch 2 for more than 2 seconds and the buzzer rings and marked display is selected NOTE To save entire and...

Page 655: ...For deleting the error information E GST Lever Sensor Fine adjustment Mode For setting the Neutral position of GST lever sensor Input the sensor information to main ECU When the GST lever sensor is r...

Page 656: ...Outlet Temp 200 650 C 140 1202 F 3 94 0 66 V GST 1 Battery Voltage More than 12 V Coolant temperature sensor voltage 30 20 100 C 22 68 212 F 4 73 3 13 0 89 V Fuel sensor voltage F to E 0 31 to 3 24 V...

Page 657: ...1 voltage main Reverse N Forward 0 61 to 1 61 2 0 to 3 0 3 39 to 4 39 V HST Pedal sensor 2 voltage sub Reverse N Forward 3 39 to 4 39 2 0 to 3 0 0 61 to 1 61 V Swashplate position sensor 1 voltage ma...

Page 658: ...itch is pressed the marked display shifts to the next digit Shift the marked display to the desired position 8 Hold down the display mode switch more than 2 seconds 9 Press the display mode switch and...

Page 659: ...et the desired PTO coefficient as follow Each time the display mode switch is pressed the marked display shifts to the next digit Shift the marked display to the desired position 7 Hold down the displ...

Page 660: ...Press the display mode switch The buzzer rings and the marked display moves 4 Select the Mode D 5 Hold down the display mode switch for more than 2 seconds 6 Want to clear error Hold button for 3s mor...

Page 661: ...an 2 seconds 7 When GST Lever Sensor Fine adjustment Mode is displayed b release the display mode switch 8 Hold button for 3s more is displayed c 9 Hold down the display mode switch for more than 3 se...

Page 662: ...While holding down the display mode switch start the engine 4 Mode selection display a is indicated on the LCD Press the display mode switch The buzzer rings and the marked display moves 5 Select the...

Page 663: ...es Press the display mode switch 12 Step 05 is displayed g Shift the GST lever to Neutral position and engage the clutch Press the display mode switch 13 Step 06 is displayed h Set the shuttle lever t...

Page 664: ...to reduce the number 9 Move the tractor to make sure the shifting shock feeling 10 Turn off the main switch 9Y1210824ELS0018US0 9 Mode J Speed Unit Selection Mode Input the Traveling Speed Unit to th...

Page 665: ...is not setting at the idling position or the parking brake is not engaged HST Fine adjustment Mode display b does not change When Out of Setting Position ERROR No 71 72 or 73 is displayed k refer to t...

Page 666: ...the mode K and L The tractor does not move normally without resetting mode K and L HST only 9Y1210824ELS0020US0 Error Display Fine adjustment ERROR No 71 Range Gear Shift Lever Sensor ERROR No 72 HST...

Page 667: ...on If Out of Setting Position ERROR No 75 is displayed h the hand throttle lever is not at the correct idling position 9 Hold button for 3s more is displayed d Hold down the display mode switch for mo...

Page 668: ...ollows 01 02 03 04 01 7 Select the operation coefficient number and hold down the display mode switch for more than 2 seconds 8 When OK is displayed d the operation coefficient number has been input c...

Page 669: ...to GST model See SET B table When pressing the display mode switch the operation coefficient number f changes one by one as follows 01 02 01 9 Select the operation coefficient number and hold down the...

Page 670: ...e check individual sensors switches or solenoids to see whether the problem exists at the sensor switch and solenoid side or at the wire harness side When the normal function is restored as the result...

Page 671: ...to follow this procedure may result in serious damage to the tractor electrical system If any of them should blow replace with a new one of the same capacity Protected Circuit 9Y1210824ELS0025US0 Fuse...

Page 672: ...cabling If any of them has blown out be sure to pinpoint the cause Never use any substitute use only a KUBOTA genuine part 9Y1210824ELS0026US0 No Capacity A Protected circuit 1 150 Alternator 2 100 8...

Page 673: ...roken or disconnected replace it 9Y1210824ELS0027US0 1 Ground Cable A Located at Left Side of Transmission Case Manual Transmission B Located at Left Side of Transmission Case GST C Located at Left Si...

Page 674: ...iring Terminal Name 1 G CAN L 2 Y CAN H 3 4 5 6 7 8 B W Turn Signal Switch RH 9 G L Turn Signal Switch LH 10 B GND 11 Br Y High Beam Indicator 12 L Engine Oil Pressure Switch 13 W R Alternator L Termi...

Page 675: ...he voltage differs from the battery voltage 11 to 14 V the wiring harness or battery is faulty 9Y1210824ELS0031US0 Checking Instrument Panel Connector 1 Disconnect the connector 1 and check their term...

Page 676: ...cated 3 Check the resistance between terminal 2 and 3 while pushing the auto throttle advance switch 2 NOTE It is not necessary to adjust any kind of mode 9Y1210824ELS0033US0 Checking Main ECU Connect...

Page 677: ...s Side No Color of wiring Terminal Name 1 B GND Ground for Circuit Line 2 3 4 5 6 P L PTO Solenoid 7 R Y 12 V Power Source from Main Switch 8 R W 5 V Power source for sensor 9 Y CAN H 10 G CAN L 11 B...

Page 678: ...B Seat Switch 10 L G Output Terminal for OPC 11 W R Foot Throttle Sensor 2 12 L W Auto Regeneration Switch Lamp 13 14 Y L Hand Throttle Sensor 1 15 Y R Hand Throttle Sensor 2 16 G W Mid PTO Switch 17...

Page 679: ...6 P L PTO Solenoid 7 R Y 12 V Power Source from Main Switch 8 R W 5 V Power source for sensor 9 Y CAN H 10 G CAN L 11 B W Starter Relay 12 W G DPF Buzzer 13 L Output terminal for Hi Lo solenoid 14 B...

Page 680: ...h 10 L G Output Terminal for OPC 11 W R Foot Throttle Sensor 2 12 L W Auto Regeneration Switch Lamp 13 L Oil Temperature Sensor 14 Y L Hand Throttle Sensor 1 15 Y R Hand Throttle Sensor 2 16 G W Mid P...

Page 681: ...l valve Reverse 4 5 6 P L PTO Solenoid 7 R Y 12 V Power Source from Main Switch 8 R W 5 V Power source for sensor 9 Y CAN H 10 G CAN L 11 B W Starter Relay 12 W G DPF Buzzer 13 14 B W GND Ground for S...

Page 682: ...L W Auto Regeneration Switch Lamp 13 Br Swashplate Position Sensor 1 14 Y L Hand Throttle Sensor 1 15 Y R Hand Throttle Sensor 2 16 G W Mid PTO Switch 17 R B Seat Tilt Switch 18 19 G R Cruise Control...

Page 683: ...the voltage between connector A of terminal 18 and chassis 3 Turn the main switch ON 4 Measure the voltage between connector A of terminal 7 and chassis 9Y1210824ELS0038US0 Voltage Connector A Termina...

Page 684: ...ture Sensor T0 13 R DPF Differential Pressure Sensor 60 14 61 W Air Flow Sensor Signal 15 62 R CAN2 H 16 63 W CAN2 L 17 64 18 R Intake Throttle Valve Position Sensor 65 G CAN1 L 19 B To Alternator L 6...

Page 685: ...10824ELS0040US0 37 B Intake Throttle Valve Position Sensor Signal 84 R Intake Throttle Valve Motor DC Motor 38 B DPF Differential Pressure Sensor Signal 85 R Intake Throttle Valve Motor DC Motor 39 R...

Page 686: ...s OK if the resistance value approximates to the value shown in the table below NOTE When replacing the each sensor be sure to adjust the mode K Reference The change of resistance can be checking easi...

Page 687: ...or shaft 3 It is OK if the resistance value approximates to the value shown in the table below NOTE When replacing the sensor be sure to adjust the mode E Reference The change of resistance can be che...

Page 688: ...sor terminals 2 It is OK if the resistance value approximates to the value shown in the table below 3 If the exists a large difference replace the sensor NOTE It is not necessary to adjust any kind of...

Page 689: ...2 It is OK if the resistance comes to have shown in the table below NOTE It is not necessary to adjust any kind of mode 9Y1210824ELS0047US0 Measuring point Resistance Solenoid Connector terminal 1 So...

Page 690: ...ue approximates to the value shown in the table below NOTE When replacing the each sensor be sure to adjust the mode K Reference The change of resistance can be checking easily when an analog tester i...

Page 691: ...Disconnect the connector 2 3 Measure the resistance between connector terminals referring to the table below 4 If the measurement does not between as table switch is faulty NOTE It is not necessary to...

Page 692: ...b 3 while shifting the range gear shift lever 2 It is OK if the resistance is smoothly changing NOTE When replacing the sensor be sure to adjust the mode K Reference The maximum resistance value betw...

Page 693: ...tes to the value shown in the table below NOTE When replacing the each sensor be sure to adjust the mode K and L Reference The change of resistance can be checking easily when an analog tester is empl...

Page 694: ...1 and terminal 3 while pushing the display mode switch 2 2 It is OK if 0 ohm is indicated Auto Throttle Advance Switch 1 Measure the resistance between terminal 2 and terminal 3 while pushing the auto...

Page 695: ...check the relating electric circuit 9Y1210824ELS0053US0 2 Switch Continuity 1 Check the continuity across the terminals shown in the tables below 2 If the continuity specified below is not indicated t...

Page 696: ...the proportional valve 1 2 IMPORTANT In installing the connector of the proportional valve pay attention to the color of the connector to ensure correct installation 3 Measure the resistance between...

Page 697: ...ling the Hi Lo solenoid valve assembly 5 Measure the resistance with an ohmmeter across the terminal on the connector and valve body 6 It is OK if the resistance comes to have shown in the table below...

Page 698: ...e following checking 9Y1210824ELS0059US0 Connector Voltage 1 Measure the voltage across the connector B terminal and chassis 2 If the voltage differs from the battery voltage 11 to 14 V the wiring har...

Page 699: ...n Switch at ACC Position 1 Turn the main switch ACC position 2 Measure the resistance across the B terminal and the ACC terminal 3 If 0 ohm is not indicated renew the main switch 9Y1210824ELS0064US0 M...

Page 700: ...al 2 Harness and chassis 4 If the voltage differs from battery voltage the wiring harness fuse or main switch is faulty 2 PTO Switch Continuity 1 Remove the PTO switch connector 1 2 Check the continui...

Page 701: ...t switch connector 2 2 Check the continuity with an ohmmeter across the switch terminals 3 If it does not conduct or any value is indicated when the switch is pushed ON seat the switch is faulty 4 If...

Page 702: ...otor 1 Disconnect the battery negative cable from the battery 2 Disconnect the battery positive cable and the leads from the starter 3 Remove the starter from the engine 4 Disconnect the connecting le...

Page 703: ...housing and the starter C terminal 4 The plunger should be attached and the pinion gear should pop out when a jumper lead is connected from the battery positive terminal to the S terminal It is a corr...

Page 704: ...e relays described here are used same ones so that these are interchangeable 1 Apply the battery voltage across the terminal 1 and 2 and check for continuity across the terminal 3 and 4 2 If continuit...

Page 705: ...ulty 9Y1210824ELS0077US0 Functional Check NOTE The relays described here are used same ones so that these are interchangeable 1 Apply battery voltage across the terminals c and d and check for continu...

Page 706: ...e housing are short circuited 4 If the factory specification is not indicated the glow plug is faulty 9Y1210824ELS0080US0 7 CHARGING SYSTEM Alternator 1 Disconnect the 2P connector 3 from alternator a...

Page 707: ...about 1 V 9Y1210824ELS0083US0 8 LIGHTING SYSTEM 1 Multi Function Combination Lever Combination Switch Multi Function Combination Lever Switch 1 Remove the steering post cover 1 2 Disconnect the multi...

Page 708: ...the terminal a and chassis 2 If the voltage differ from the battery voltage the wiring harness is faulty 9Y1210824ELS0088US0 2 Switch Continuity 1 Measure the resistance with ohmmeter across the termi...

Page 709: ...h to the left Make sure that the right hand light stays on and the left hand light gives flashes earlier by about 20 flashes than when the hazard lamp is activated Then move the turn signal switch to...

Page 710: ...state the switch is faulty 3 If infinity is not indicated at pressure over 50 kPa 0 5 kgf cm2 7 psi the switch is faulty 9Y1210824ELS0093US0 Charging Circuit Panel Board and Wiring Harness 1 Disconne...

Page 711: ...Harness 1 Disconnect the connector from the parking brake switch after turning the main switch OFF 2 Turn the main switch ON and connect a jumper lead between the connector terminals of wiring harness...

Page 712: ...rminal and the chassis 2 If the measurement is not indicated the sensor is faulty 9Y1210824ELS0098US0 Resistance Sensor terminal a terminal b Factory specification Float at uppermost position 3 0 to 5...

Page 713: ...fer to the DIAGNOSIS MANUAL 9Y120 02420 9Y1210824ELS0099US0 Injector Resistance 1 Measure the resistance with an ohmmeter across the terminals shown in the table below 2 If the reference value is not...

Page 714: ...s the terminals shown in the table below 3 If the reference value is not indicated as shown in the table below check the relating electric circuit 9Y1210824ELS0102US0 SCV Resistance 1 Measure the resi...

Page 715: ...LS0104US0 Connector Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the reference...

Page 716: ...erminals shown in the table below 3 If the reference value is not indicated as shown in the table below check the relating electric circuit 9Y1210824ELS0107US0 Pump Actuation Test 1 Connect a jumper l...

Page 717: ...10824ELS0109US0 Connector Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the refe...

Page 718: ...or Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the reference value is not indi...

Page 719: ...or is faulty if the relating electric circuit is normal 9Y1210824ELS0113US0 Connector Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter...

Page 720: ...US0 Connector Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the reference value...

Page 721: ...Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the reference value is not indicated as show...

Page 722: ...wn in the table below 3 If the reference value is not indicated as shown in the table below check the relating electric circuit 9Y1210824ELS0120US0 Motor Resistance 1 Disconnect the throttle valve con...

Page 723: ...the table below check the relating electric circuit 9Y1210824ELS0123US0 Sensor Resistance for Reference 1 Measure the resistance with an ohmmeter across the terminals shown in the table below 2 If the...

Page 724: ...ELS0125US0 Connector Voltage 1 Disconnect the connector and turn the main key switch ON position 2 Measure the voltage with a voltmeter across the terminals shown in the table below 3 If the reference...

Page 725: ...n in the table below 3 If the reference value is not indicated as shown in the table below check the relating electric circuit 9Y1210824ELS0128US0 Switch Continuity 1 Check the continuity across the t...

Page 726: ...n in the table below 3 If the reference value is not indicated as shown in the table below check the relating electric circuit 9Y1210824ELS0131US0 Switch Continuity 1 Check the continuity across the t...

Page 727: ...r fuse is faulty 9Y1210824ELS0166US0 Functional Check NOTE The relays described here are used same ones so that these are interchangeable 1 Apply battery voltage across the terminals c and d and check...

Page 728: ...tance for Reference 1 Check the resistance between terminal 1 and 2 2 If the reference value is not indicated the heater is faulty 9Y1210824ELS0167US0 Resistance at 25 C 77 F 1 8 2 5 1 CCV Heater OUT...

Page 729: ...g Apply grease to the gear teeth of the gears 5 and overrunning clutch 2 and ball 3 9Y1210824ELS0134US0 Plunger 1 Remove the end cover 1 2 Remove the plunger 2 9Y1210824ELS0135US0 2 ALTERNATOR Pulley...

Page 730: ...0824ELS0138US0 IC Regulator 1 Remove the three screws holding the IC regulator and remove the IC regulator 1 9Y1210824ELS0139US0 Rectifier 1 Remove the four screws holding the rectifier and the stator...

Page 731: ...g the retainer plate and remove the retainer plate 1 9Y1210824ELS0155US0 Bearing on Drive End Side 1 Press out the bearing from drive end frame 3 with a press and jig 1 9Y1210824ELS0156US0 Bearing at...

Page 732: ...f the O D s exceeds the allowable limit correct the commutator on a lathe to the factory specification 5 Measure the mica undercut 6 If the undercut is less than the allowable limit correct it with a...

Page 733: ...conducts replace the armature 3 Check the continuity across the segments of the commutator with an ohmmeter 4 If it does not conduct replace the armature 9Y1210824ELS0162US0 Field Coil 1 Check the co...

Page 734: ...across the slip ring and core with an ohmmeter 4 If the measurement is not within the factory specifications replace it 9Y1210824ELS0144US0 Slip Ring 1 Check the slip ring for score 2 If scored correc...

Page 735: ...tal multimeter Because it s very hard to check the continuity of rectifier by using it 9Y1210824ELS0147US0 IC Regulator 1 Check the continuity across the B terminal and the F terminal of IC regulator...

Page 736: ...10 CABIN KiSC issued 03 2016 A...

Page 737: ...R SYSTEM 10 M1 1 OUTLINE OF AIR CONDITIONING SYSTEM 10 M1 2 SYSTEM CONTROL 10 M3 3 ELECTRICAL SYSTEM 10 M4 1 Electrical Circuit 10 M4 2 Compressor Relay Blower Relays and Compressor Relay 10 M5 MECHAN...

Page 738: ...g blown via the blow port can be kept at comfortable temperature and humidity The front air outlet 10 can be opened and closed using the center knob of each port The side air outlet 9 are opened and c...

Page 739: ...ant oil is used R12 systems were lubricated with mineral oil which is totally unsuitable for R134a systems The letter require PAG oil which mixes very well with the refrigerant and provides ideal lubr...

Page 740: ...1 opens the flesh air inlet port Outside air comes into cabin 2 Temperature control of outlet air is done with door D2 COOL By setting the temperature control dial 1 in control panel to COOL position...

Page 741: ...03US0 1 Battery 2 Slow Blow Fuse 80 A 3 Slow Blow Fuse 60 A 4 Main Switch 5 Compressor 6 Pressure Switch 7 Compressor Relay 8 Blower Relay 9 Thermostat 10 Blower Motor 11 Blower Resistor 12 Mode Motor...

Page 742: ...er motor 10 could result in a discharged battery 3 To protect against such trouble relays have been provided These relays have been made so that when current flows through its coil the contact close t...

Page 743: ...t Amount 10 S21 6 CHECKING DISASSEMBLING AND SERVICING 10 S22 1 CHECKING AND ADJUSTING 10 S22 1 Compressor 10 S22 2 Control Panel Blower Switch A C Switch Mode Control Dial and Temperature Control Dia...

Page 744: ...d or improperly connected Repair Does Not Cool Compressor Does Not Rotate Fuse blown Replace G 45 Magnetic clutch damaged Repair or replace 10 S22 A C switch damaged Replace 10 S24 Pressure switch dam...

Page 745: ...Rate Others Blower is not tightened enough Check and repair 10 S27 Blower deformed Replace 10 S27 Blower in contact with casing Check and repair 10 S27 Obstacle at or near suction port Check and repa...

Page 746: ...ressure and Low pressure Level is Too Low Refrigerant too short Check with manifold gauge 10 S13 Temperature Cannot be Controlled Temperature Motor and or Temperature Control Dial Malfunction Temperat...

Page 747: ...al interrupts movement of link mechanism Repair 10 S56 Wiper arm seized or rusted Lubricate or replace 10 S56 Windshield Wiper Operating Speed Is Too Low Wiper motor damaged Short circuit of motor arm...

Page 748: ...to 28 psi 1 27 to 1 66 MPa 13 to 17 kgf cm2 185 to 242 psi Pressure Switch Dual Type When pressure switch is turned OFF Setting Pressure LO Pressure Side Setting Pressure HI Pressure Side Less than ap...

Page 749: ...ounting screw M8 9 81 to 11 6 1 00 to 1 19 7 24 to 8 60 Low pressure pipe Cooler pipe suction retaining nut 7 90 to 11 8 0 806 to 1 20 5 83 to 8 70 High pressure pipe Cooler pipe liquid retaining nut...

Page 750: ...ervice can unless necessary When it has to be heated use warm water of 40 C 104 F or lower Do not heat using boiling water IMPORTANT If the refrigerant O rings etc for R12 are used in the R134a air co...

Page 751: ...ount Factory specification R134a 770 to 870 g 1 70 to 1 91 lbs Quantity Total Brand Name 50 to 70 cc 0 053 to 0 073 U S qts 0 044 to 0 061 Imp qts ND OIL 8 PAG oil Replacing Parts Quantity Brand Name...

Page 752: ...Valve is Opened and HI Valve is Closed Two circuits are established Port C LO pressure gauge 1 Port C Port B Port C Port D Port A HI pressure gauge 2 NOTE Schrader valve D must be opened 9Y1210824CAS...

Page 753: ...connect connector should the sleeve 7 move before the quick link connector can be connected to the charging valve move the quick sleeve to its original position and try again When some refrigerant rem...

Page 754: ...R134a and cannot be used Therefore a new electric gas leak tester with greater sensitivity has been designed and can be used with both R134a and R12 Reference Leak tester with halide torch Since the...

Page 755: ...erant Recovery and Recycling Machine When there is necessity of discharging the refrigerant on repairing the tractor it should use recovery and recycling machine Do not release the refrigerant into th...

Page 756: ...ut the air in the charging hoses at the manifold gauge connection end by using the refrigerant pressure in the refrigerating cycle 3 Start the engine and set at approx 1500 min 1 rpm 4 Turn on the A C...

Page 757: ...AS0033US0 Excessive Refrigerant or Insufficient Condenser Cooling 1 Symptoms seen in refrigerating cycle Both LO and HI pressure side 1 2 pressures too high LO pressure side 1 0 20 to 0 35 MPa 2 0 to...

Page 758: ...d without evacuation 9Y1210824CAS0035US0 Moisture Entered in the Cycle 1 Symptoms seen in refrigerating cycle The air conditioner operates normally at the beginning but over time LO pressure side 1 pr...

Page 759: ...ace the expansion valve Replace the receiver Evacuate and charge in proper amount of new refrigerant See page 10 S19 If caused by gas leakage in heat sensitizing tube replace the expansion valve 9Y121...

Page 760: ...re at faulty compressing by compressor 9Y1210824CAS0039US0 2 DISCHARGING EVACUATING AND CHARGING IMPORTANT When discharging evacuating or charging the refrigerating system be sure to observe the 4 PRE...

Page 761: ...cle For approx 15 minutes 5 When LO pressure gauge 1 reading is more than 750 mmHg 299 in Hg stop the vacuum pump and close both valves 3 4 of manifold gauge fully 6 Wait for over 5 minutes with the H...

Page 762: ...ed completely 2 Connect the center charging hose green 5 to the can tap valve 3 fitting and then loosen the center charging hose green 5 at the center fitting of manifold gauge until hiss can be heard...

Page 763: ...e A C switch Set the temperature control lever to maximum cooling position and the blower switch to HI position 4 Open the LO pressure side valve 5 of manifold gauge and the can tap valve 3 on refrige...

Page 764: ...ugh the sight glass becomes as stated below depending on refrigerant charged amount A Insufficient refrigerant charge Air bubbles pass continuously the sight glass when pressure on the LO pressure sid...

Page 765: ...ifications replace the stator coil 9Y1210824CAS0048US0 Air Gap 1 Check the air gap with feeler gauge 2 If the measurement is not within the factory specifications adjust it See page 10 S57 9Y1210824CA...

Page 766: ...connector terminal 1 and terminal 4 4 If the voltage differs from the battery voltage the wiring harness A C relay fuse or main switch is faulty 9Y1210824CAS0051US0 Blower Switch Test 1 Check the con...

Page 767: ...o ON position 4 Press the air conditioner switch to set it to OFF position indicator OFF and then measure a voltage using a circuit tester 5 Press the air conditioner switch to set it at ON position i...

Page 768: ...12 as shown in the picture 4 Switch on the main switch Switch on the recirculation fresh air selection switch 3 Make sure that the output voltage is the some with the battery voltage 5 Touch the blac...

Page 769: ...e is approximately 10 V when turning the temperature control dial counterclockwise till it stops COOL position 10 If an output voltage differs from approximately 10 V the control panel wiring harness...

Page 770: ...un check the motor 9Y1210824CAS0058US0 5 Temperature Motor Temperature Motor Checking 1 Remove the outer roof 2 Check whether the temperature control dial 2 is damaged See page 10 S23 3 Turn the main...

Page 771: ...d make sure that the switch is at Recirculation position 6 If the motor does not run replace it 9Y1210824CAS0060US0 7 Blower Relay Blower Relay Checking 1 Remove the outer roof 1 2 Remove the blower r...

Page 772: ...ect the panel connector 4 4 Remove the compressor relay 5 5 Apply battery voltage across terminals 1 and 2 and check for continuity across terminals 3 and 4 6 If continuity is not established across t...

Page 773: ...time read the HI pressure gauge of the manifold gauge If this pressure reading differs largely with the setting pressure replace the pressure switch with a new one 2 LO Pressure Side 1 Disconnect 2P c...

Page 774: ...wiring harness fuse or main switch is faulty 2 Front Wiper Switch 1 Check the continuity through the switch with an ohmmeter 2 If continuity specified below is not indicated the switch is faulty Refer...

Page 775: ...ge the wiring harness fuse or main switch is faulty 2 Rear Wiper Switch 1 Check the continuity through the switch with an ohmmeter 2 If continuity specified below is not indicated the switch is faulty...

Page 776: ...2 Turn the main switch to ON position 3 Push the rear wiper switch to ON position 4 Count the number of wiper arm rocking per minutes 5 If the number differs from the factory specifications replace t...

Page 777: ...ANT Do not start engine without coolant Use clean fresh soft water and anti freeze to fill the radiator and recovery tank When mixing the anti freeze with water the anti freeze mixing ratio is 50 Secu...

Page 778: ...5 Disconnect the window washer hose 8 and remove the damper 9 6 Remove the plug 11 and the pin inside then the bonnet 7 Remove the damper support 10 NOTE When disconnecting the battery cables disconn...

Page 779: ...onnect the heater hose 5 from the heater hose 6 and the heater hose 7 from the heater hose 8 inside then reconnect the heater hose 5 7 and heater hose 6 8 to make the loop NOTE Put a mark to each heat...

Page 780: ...ring Speed Adjusting Knob 1 Remove the range gear shift lever grip 1 and front wheel drive lever grip 2 2 Remove the differential lock rod 3 and the lowering speed adjusting knob 4 3 Remove the range...

Page 781: ...the range gear sensor connector 4 4 Disconnect the joint connectors 5 5 Remove the engine ECU power relay and glow relay 6 from the engine ECU support 2 6 Disconnect the earth cables 7 9Y1210824CLS00...

Page 782: ...g stands 7 Disconnect the fuel hoses 9 overflow hose 10 and fuel level sensor connector 8 from the fuel tank L H 12 8 Disconnect the fuel hose 7 from the fuel tank R H 6 9 Remove the right and left br...

Page 783: ...zers 5 3 Remove the rear tire R H 6 and fender plate 7 4 Disconnect the remote control valve linkage pins 8 to release the links If equipped 5 Disconnect the position lever linkage pin 9 to release th...

Page 784: ...absorber 2 2 Remove the steering post cover 1 and 2 4 3 Remove the panel cover 3 4 Remove the universal joint screw 5 and disconnect the steering joint shaft 6 9Y1210824CLS0022US0 1 Step Mat 2 Sound...

Page 785: ...motor 11 7 Disconnect CCV GND wiring harness 14 CCV relay 15 CCV heater fuse 16 CCV SB fuse 17 and CCV heater 18 19 If equipped NOTE When disconnecting the battery cords disconnect the negative cord...

Page 786: ...together with air cleaner 4 4 Remove the radiator upper hose 2 and lower hose When reassembling If CCV Heater is equipped Be careful not to assemble in the wrong direction Refer the images shown here...

Page 787: ...lts and nuts 10 Dismounting the cabin from tractor body NOTE Lift the cabin while making sure it does not catch on anything When reassembling Be sure to install the washers and mount rubbers etc in th...

Page 788: ...hem S letter is marked on the compressor for connecting the low pressure pipe suction side D letter is marked on the compressor for connecting the high pressure pipe discharge side When replacing the...

Page 789: ...ng and the stator does not contact with the hub plate Check and adjust the air gap before tight the magnet clutch mounting screw or nut to the specified torque See page 10 S57 9Y1210824CAS0075US0 Roto...

Page 790: ...to become outside of front housing The width of expanding of circlip is set is boss of shaft as a minimum Match and assemble the concave part 3 of the front housing 5 and the pin 4 of stator 9Y1210824...

Page 791: ...tor 2 and pressure switch connector 3 3 Disconnect the temperature motor connector 4 4 Disconnect the blower resistor connector 6 and thermostat connector 5 9Y1210824CAS0080US0 1 Outer Roof 2 Blower M...

Page 792: ...finally retighten them after aligning the inner roof duct with the unit duct When connecting the heater hose with A C unit hose should be put into the A C unit pipe more than 30 mm 1 2 in 9Y1210824CAS...

Page 793: ...pressure pipe 4 from the compressor then cap the open fittings immediately to keep moisture out of the system When reassembling Apply compressor oil DENSO ND OIL 8 or equivalent to the O rings and be...

Page 794: ...oses Front Grill Skirt and Bonnet See page 10 S35 9Y1210824CAS0087US0 Draining Coolant See page 10 S34 9Y1210824CAS0078US0 Hose Clamp 1 Remove the hose bands 1 2 Remove the hose clamp 2 NOTE Before di...

Page 795: ...ull out the heater hoses 2 from the bottom of the cabin 5 Remove the heater hoses 2 When reassembling Connect the heater hoses at their original positions In assembling the heater hose 2 to the pipe 1...

Page 796: ...See the left figure 2 Pull the piano wire inward outward alternately to cut the adhered part NOTE Do not let the piano wire make sliding contact with the edge of glass plate forcibly In case of using...

Page 797: ...as shown in figure 4 Install the rear windshield 1 to the cabin and fix tit with a gummed tape 5 Leave it for one hour NOTE Apply the Sika Tack Ultrafast or equivalent with the jig having the specifi...

Page 798: ...e E approx 5 mm 0 2 in between the lower and upper windshield The level unevenness between the upper and lower windshields should be 1 to 1 mm 0 04 to 0 04 in or less at the windshield surface 6 Leave...

Page 799: ...per arm 6 5 Remove the wiper link cap 7 6 Remove the front wiper motor 4 When reassembling When attaching the wiper arm 6 to the wiper motor 4 assemble so that the wiper wipes symmetrically on the lef...

Page 800: ...measurement value comes off from factory specification adjustment shim 1 is added or deleted Reference 9Y1210824CAS0098US0 Tightening torque Wiper arm mounting nut 6 4 to 9 3 N m 0 65 to 0 95 kgf m 4...

Page 801: ...International Service Department 64 Ishizu Kitamachi Sakai Ku Sakai City Osaka 590 0823 Japan Phone Address 72 241 1129 Fax 81 81 72 245 2484 E mail ks_g ksos pub kubota com 2013 05 S EI EI engusa Pri...

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