Kubota B1710 Workshop Manual Download | Manualshive

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6-S18

B1710 · B2110 · B2410 · B2710, WSM

FRONT AXLE

Shift Cam

1. Remove the case cover (2) with the shift lever and shift cam (5).
2. Remove the external snap ring (4) and collar (3).
3. Remove the shifter lever (1).

NOTE

■

• The white marks is painted on the shift lever (1) for aligning

the shift cam.

(When reassembling)

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

face of the bi-speed turn case (6) and case cover (2).

• When installing the shift cam, be sure to align the marks on the

shift cam and shift lever.

W10185060

Shift Roller Shaft

1. Remove the cover (1).
2. Remove the nut (2) and the shift roller shaft assembly.
3. Tap out the shift roller shaft (3), while holding the bearing (5) to

remove the shift roller (6). The retainer ring (7) is mounted inside
of the roller.

(When reassembling)

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

face of the cover (1) and bi-speed turn case.

W10188220

Shift Fork, Shift Rod and Change Lever

1. Push the shift fork to the front till the spring pin (2) can be seen

and tap out the spring pin (1).

2. Remove the cap (12) and tap out the shift rod (7) to the front.
3. Tap out the spring pin (6).
4. Tap out the shift rod collar (8) by the rod to the front.
5. Take out the shift fork (4), springs (3), (5) and pressure collar (2)

together.

6. Tap out the spring pin (9), using the screw hole for the fulcrum

mounting screw on the case. Remove the change lever (11) and
change fork (10)

(When reassembling)

• Apply adhesive to the cap.

W10189930

Tightening torque

Case cover mounting
screw

17.7 to 20.5 N·m
1.8 to 2.1 kgf·m
13.0 to 15.2 ft-lbs

(1) Shift Lever
(2) Case Cover
(3) Collar

(4) External Snap Ring
(5) Shift Cam
(6) Bi-speed Turn Case

(1) Cover
(2) Nut
(3) Shift Roller Shaft
(4) Adjusting Shim

(5) Ball Bearing
(6) Shift Roller
(7) Retainer Ring

(1) Spring Pin
(2) Pressure Collar
(3) Spring
(4) Shift Fork
(5) Spring
(6) Spring Pin

(7) Shift Rod
(8) Shift Rod Collar
(9) Spring Pin

(10) Change Fork

(11) Change Lever

(12) Cap

KiSC issued 11, 2006 A

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Summary of Contents for B1710

Page 1: ...B1710 B2110 B2410 B2710 WORKSHOP MANUAL TRACTOR KiSC issued 11 2006 A ...

Page 2: ...Servicing Under the heading General section comes general precautions check and maintenance and special tools Other section there are troubleshooting servicing specification lists checking and adjusting disassembling and assembling and servicing which cover procedures precautions factory specifications and allowable limits All information illustrations and specifications contained in this manual a...

Page 3: ... this manual and decals on the machine itself to warn of the possibility of personal injury Read these instructions carefully It is essential that you read the instructions and safety regulations before you attempt to repair or use this unit DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situa...

Page 4: ...by a jack Always support the machine by safety stands Do not touch the rotating or hot parts while the engine is running Never remove the radiator cap while the engine is running or immediately after stopping Otherwise hot water will spout out from radiator Only remove radiator cap when cool enough to touch with bare hands Slowly loosen the cap to first stop to relieve pressure before removing com...

Page 5: ...to eyes Keep electrolyte away from eyes hands and clothing If you spill electrolyte on yourself flush with water and get medical attention immediately DISPOSE OF FLUIDS PROPERLY Do not pour fluids into the ground down a drain or into a stream pond or lake Observe relevant environmental protection regulations when disposing of oil fuel coolant electrolyte and other harmful waste PREPARE FOR EMERGEN...

Page 6: ...FETY INSTRUCTIONS 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 SAFETY DECALS KiSC issued 11 2006 A ...

Page 7: ...5 B1710 B2110 B2410 B2710 WSM SAFETY INSTRUCTIONS KiSC issued 11 2006 A ...

Page 8: ...6 B1710 B2110 B2410 B2710 WSM SAFETY INSTRUCTIONS KiSC issued 11 2006 A ...

Page 9: ...Imp gals Front axle case 3 7 L 3 9 U S qts 3 3 Imp qts 4 5 L 4 8 U S qts 4 0 Imp qts Tires Front 6 12B 6 12 Rear 8 16 9 5 16 Dimensions Overall length with 3P 2378 mm 93 6 in 2405 mm 94 7 in Overall width min tread 990 mm 39 0 in 1040 mm 40 9 in Overall height with ROPS 2246 mm 88 4 in 2268 mm 89 3 in Overall height top of steering wheel 1283 mm 50 5 in 1305 mm 51 4 in Wheel base 1500 mm 59 0 in M...

Page 10: ...gals Front axle case 3 7 L 3 9 U S qts 3 3 Imp qts 4 5 L 4 8 U S qts 4 0 Imp qts Tires Front 6 00 12 Rear 9 5 18 Dimensions Overall length with 3P 2430 mm 95 7 in Overall width min tread 1050 mm 41 3 in Overall height with ROPS 2298 mm 90 5 in Overall height top of steering wheel 1335 mm 52 6 in Wheel base 1500 mm 59 0 in Minimum ground clearance 315 mm 12 4 in Tread Front 830 mm 32 6 in Rear 810 ...

Page 11: ...1 Imp gals Front axle case 5 3 L 5 6 U S qts 4 7 Imp qts Tires Front 7 12 180 85D12 Rear 12 4 16 Dimensions Overall length with 3P 2625 mm 103 3 in Overall width min tread 1365 mm 53 7 in Overall height with ROPS 2334 mm 91 9 in Overall height top of steering wheel 1375 mm 54 1 in Wheel base 1666 mm 65 6 in Minimum ground clearance 308 mm 12 1 in Tread Front 935 mm 36 8 in Rear 1050 mm 41 3 in Wei...

Page 12: ... 0 4 4 Max Speed at 2750 engine rpm R 7 0 4 4 7 4 4 6 7 9 4 9 6 8 4 2 7 4 4 6 Model B2110 B2410 B2110 B2410 B2710 B2710 Tire size Rear 9 5 16 9 5 18 31 13 5 15 315 75D 15 12 4 16 13 6 16 Range gear shift lever km h mile h km h mile h km h mile h km h mile h km h mile h km h mile h Forward Low 0 to 7 3 0 to 4 5 0 to 7 8 0 to 4 8 0 to 6 8 0 to 4 2 0 to 7 4 0 to 4 6 0 to 4 9 0 to 3 0 0 to 5 0 0 to 3 ...

Page 13: ...11 B1710 B2110 B2410 B2710 WSM DIMENSIONS DIMENSIONS KiSC issued 11 2006 A ...

Page 14: ...G GENERAL KiSC issued 11 2006 A ...

Page 15: ...DAILY CHECK G 11 2 CHECK POINTS OF INITIAL 50 HOURS G 12 3 CHECK POINTS OF EVERY 50 HOURS G 15 4 CHECK POINTS OF EVERY 100 HOURS G 17 5 CHECK POINTS OF EVERY 200 HOURS G 23 6 CHECK POINTS OF EVERY 300 HOURS G 24 7 CHECK POINTS OF EVERY 400 HOURS G 25 8 CHECK POINTS OF EVERY 800 HOURS G 26 9 CHECK POINTS OF EVERY 1 YEAR G 26 10 CHECK POINTS OF EVERY 2 YEARS G 26 11 OTHERS G 29 9 SPECIAL TOOLS G 31 ...

Page 16: ...mission HST 5 3 Range of Speed B2710 only 6 Bi speed Turn Except B1710 7 Wet Disc Brake 8 Standard mid PTO 9 Simultaneous Mounting of Both the Mid Mount Mower and Front Loader 10 Combination Panel of Easy Checker 11 Large Hydraulic Pump 12 Position Control Valve 13 Hydraulic Block Type Outlet 14 Foldable ROPS 15 Auxiliary Hydraulic Control Valve Remote Valve KiSC issued 11 2006 A ...

Page 17: ...IFICATION When contacting your local KUBOTA distributor always specify engine serial number tractor serial number and hour meter reading W10108050 1 Tractor Identification Plate 2 Tractor Serial Number 3 Engine Serial Number 4 Hour Meter KiSC issued 11 2006 A ...

Page 18: ...ng Use only KUBOTA genuine parts for parts replacement to maintain machine performance and to assure safety Gaskets and O rings must be replaced during reassembly Apply grease to new O rings or oil seals before assembling See the figure left side When reassembling external snap rings or internal snap rings they must be positioned so that sharp edge faces against the direction from which a force is...

Page 19: ...r to perform periodic check for a fee Do not attempt to modify or remodel any electrical parts and wiring When removing the battery cables disconnect the negative cable first When installing the battery cables connect the positive cable first W10111140 1 WIRING Securely tighten wiring terminals W10112160 Do not let wiring contact dangerous part W10113130 Securely insert grommet W10113880 1 Negativ...

Page 20: ...t where sag be required W10115870 In installing a part take care not to get wiring caught by it W10116700 After installing wiring check protection of terminals and clamped condition of wiring only connect battery W10117350 1 Clamp Wind Clamp Spirally 2 Wire Harness 3 Clamp 4 Welding Dent 1 Wiring 2 Clamp A Correct B Incorrect 1 Wiring A Incorrect 1 Cover Securely Install Cover KiSC issued 11 2006 ...

Page 21: ...ith water immediately Before recharging the battery remove it from the machine Before recharging remove cell caps Do recharging in a well ventilated place where there is no open flame nearby as hydrogen gas and oxygen are formed W10118160 3 FUSE Use fuses with specified capacity Neither too large or small capacity fuse is acceptable Never use steel or copper wire in place of fuse Do not install wo...

Page 22: ... that there is no female connector being too open W10124300 Make certain plastic cover is large enough to cover whole connector W10125190 5 HANDLING OF CIRCUIT TESTER Use tester correctly following manual provided with tester Check for polarity and range W10126840 1 Exposed Terminal 2 Deformed Terminal 3 Sandpaper 4 Rust A Correct B Incorrect 1 Cover A Correct B Incorrect KiSC issued 11 2006 A ...

Page 23: ... qts 2 6 Imp qts 4 1 L 4 3 U S qts 3 6 Imp qts Engine oil API service CC or CD class Below 0 C 32 F SAE10W 10W 30 or 10W 40 0 to 25 C 32 to 77 F SAE20 10W 30 or 10W 40 Above 25 C 77 F SAE30 10W 30 or 10W 40 4 Transmission case 11 5 L 3 04 U S gals 2 53 Imp gals 12 5 L 3 30 U S gals 2 75 Imp gals 15 5 L 4 10 U S gals 3 41 Imp gals KUBOTA SUPER UDT fluid 5 Front axle case 3 7 L 3 9 U S qts 3 3 Imp q...

Page 24: ... to 4 6 29 0 to 33 2 31 4 to 34 3 3 2 to 3 5 23 2 to 25 3 48 1 to 55 8 4 9 to 5 7 35 5 to 41 2 39 3 to 44 1 4 0 to 4 5 29 0 to 32 5 60 9 to 70 6 6 2 to 7 2 44 9 to 52 0 M12 12 mm 0 47 in 62 8 to 72 5 6 4 to 7 4 46 3 to 53 5 77 5 to 90 2 7 9 to 9 2 57 2 to 66 5 62 8 to 72 5 6 4 to 7 4 46 3 to 53 5 103 to 117 10 5 to 12 0 76 0 to 86 8 M14 14 mm 0 55 in 108 to 125 11 0 to 12 8 79 6 to 92 5 124 to 147...

Page 25: ...4 7 Greasing G 15 8 Engine start system Check G 16 9 Wheel bolt torque Check G 17 10 Battery condition Check G 18 11 Air cleaner element Single type Clean G 18 Replace G 18 12 Air cleaner element Double type Primary element Clean G 18 Replace G 18 Secondary element Replace G 18 13 Fuel filter element Clean G 20 Replace G 20 14 Fan belt Adjust G 20 15 Brake Adjust G 21 16 Parking brake Adjust G 21 ...

Page 26: ...dition of seat belt and ROPS attaching hardware 7 Check and clean the radiator screen and grill 8 Check the screws and nuts of tires are tight 9 Check the number plate 10 Care of danger warning and caution labels 11 Clean around the exhaust manifold and the muffler of the engine While sitting in the operator s seat 1 Check the HST pedal brake pedals and clutch pedal 2 Check the parking brake 3 Che...

Page 27: ...N Be sure to stop the engine before changing oil filter cartridge Allow engine to cool down sufficiently oil can be hot and can burn 1 Remove the oil filter cartridge with the filter wrench 2 Apply a slight coat of oil onto the new cartridge gasket 3 To install the new cartridge screw it in by hand Over tightening may cause deformation of rubber gasket 4 After the new cartridge has been replaced t...

Page 28: ...check the oil level again if low add oil prescribed level IMPORTANT Use only multi grade transmission oil Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to prevents damage to the transmission Do not mix diff...

Page 29: ... brake stop the engine and remove the key 1 Slightly depress the clutch pedal and measure stroke A at top of stopper bolt 3 2 If the measurement is not within the factory specifications loosen the lock nut and adjust the clutch pedal rod 5 length 3 After adjusting it measure total stroke B between stopper bolt 3 and clutch housing 6 4 If the measurement is not within the factory specifications adj...

Page 30: ...TS OF EVERY 50 HOURS Greasing 1 Apply a grease to the following position as figures W10218280 1 Grease Fitting HST Pedal 2 Battery Terminal 3 Grease Fitting Top Link 4 Grease Fitting Lifting Rod RH 5 Grease Fitting Parking Brake Shaft KiSC issued 11 2006 A ...

Page 31: ...lace the speed control pedal in NEUTRAL position or shift the main gear shift lever to NEUTRAL position 3 Shift the rear PTO gear shift lever to ON position 4 Turn the key to START position 5 The engine must not crank Test 4 for safety switch on the mid PTO gear shift linkage 1 Fully depress the clutch pedal 2 Place the speed control pedal in NEUTRAL position or shift the main gear shift lever to ...

Page 32: ...hanging Engine Oil 1 See page G 12 W10171330 Checking Clutch Pedal Free Travel 1 See page G 14 W10385710 Tightening torque Rear wheel hub mounting nut B1710 B2110 B2410 108 to 125 N m 11 0 to 12 8 kgf m 79 6 to 92 6 ft lbs Cotter setting bolt and nut 123 to 147 N m 12 6 to 15 0 kgf m 91 1 to 108 5 ft lbs Front wheel mounting nuts B1710 B2110 B2410 B2710 77 to 90 N m 7 9 to 9 2 kgf m 57 2 to 66 5 f...

Page 33: ... the rear of cup upright If the dust cup is improperly fitted evacuator valve will not function and dust will adhere to the element Do not touch the secondary element except in cases where replacing is required Evacuator Valve Open the evacuator valve 3 once a week under ordinary conditions or daily when used in a dusty place to get rid of large particles of dust and dirt W10172260 Checking Batter...

Page 34: ... terminal to the charger positive terminal and the negative to the negative then recharge in the standard fashion 4 A boost charge is only for emergencies It will partially charges the battery at a high rate and in a short time When using a boost charged battery it is necessary to recharge the battery as early as possible Failure to do this will shorten the battery s service life 5 When the specif...

Page 35: ...ing make sure the fuel tank is less than half full W10174670 Checking Fan Belt Tension CAUTION Be sure to stop engine before checking belt tension 1 Stop the engine and remove the key 2 Apply moderate thumb pressure to belt between pulleys 3 If tension is incorrect loosen the alternator mounting bolts and using a lever placed between the alternator and the engine block pull the alternator out unti...

Page 36: ...se the parking brake lever 2 Be sure to adjust the free travel of the right and left brake pedals 3 Place the jack under the transmission case then remove the rear tires and set the rigid rack under the rear axles 4 Loosen the lock nuts 2 of the right and left rods 6 5 Tighten the adjusting nut 3 of the right rod 6 by hand until the collar 4 comes into contact with the arm 5 Make half and one more...

Page 37: ...ardless of period of service Replace the fuel pipe together with the clamp every two years and securely tighten 4 However if the fuel pipe and clamp are found damaged or deteriorated earlier than two years then change or remedy 5 After the fuel line and clamp have been changed bleed the fuel system See page G 29 IMPORTANT When the fuel line is disconnected for change close both ends of the fuel li...

Page 38: ...while the steam blown out 4 Checking that there gets no danger such as burn get rid of the causes of overheating according to the manual see Troubleshooting section and then start again the engine W10195610 Adjusting Toe in 1 Park the tractor on the flat place 2 Inflate the tires to the specified pressure 3 Turn steering wheel so front wheels are in the straight ahead position 4 Lower the implemen...

Page 39: ...ith nonflammable solvant to completely clean off fillings When reassembling be careful not to damage the parts Since the fine fillings in the oil could impair the component parts of the hydraulic system precision built to withstand high pressure the suction line end is provided with an oil strainer Please do the replacing oil filter cartridge 2 and the cleaning oil strainer 1 at the same time And ...

Page 40: ...K POINTS OF EVERY 400 HOURS Adjusting Front Axle Pivot 1 Loosen the lock nut 2 tighten the adjusting screw 1 all the way and then loosen the adjusting screw 1 by 1 6 turn 2 Retighten the lock nut 2 NOTE If the axle pivot pin adjustment is not correct front wheel vibration can occur causing vibration in the steering wheel W10207970 Replacing Fuel Filter Element 1 The fuel filter element should be r...

Page 41: ...er Element Primary and Secondary Element 1 See page G 18 W10211250 10 CHECK POINTS OF EVERY 2 YEARS Replacing Radiator Hose Water Pipes 1 Replace the hoses and clamps Refer to Checking Radiator Hose and Hose Clamp See page G 23 W10211760 Replacing Fuel Hose 1 Replace the fuel hoses and clamps if necessary Refer to Checking Fuel Line See page G 22 W10212310 KiSC issued 11 2006 A ...

Page 42: ...vel is just below the port Install the radiator cap 1 securely 7 Fill with coolant up to FULL mark on the recovery tank 2 8 Start and operate the engine for few minutes 9 Stop the engine and let cool Check coolant level of recovery tank 2 and add coolant if necessary IMPORTANT Do not start engine without coolant Use clean fresh water and anti freeze to fill the radiator and recovery tank When the ...

Page 43: ...4c 4 Mix the anti freeze with water and then fill in to the radiator At 760 mmHg pressure atmospheric A higher boiling point is obtained by using a radiator pressure cap which permits the development of pressure within the cooling system NOTE The above date represent industry standards that necessitate a minimum glycol content in the concentrated anti freeze When the coolant level drops due to eva...

Page 44: ...e is as follows 1 Fill the fuel tank with fuel 2 Start the engine and run for about 30 seconds and then stop the engine W10291390 Draining Clutch Housing Water NOTE The tractor is equipped with drain plug 1 under the clutch housing After operating in rain snow or tractor has been washed water may get into the clutch housing 1 Remove the drain plug 1 and drain the water then install the plug again ...

Page 45: ...KUBOTA distributor for specific information dealing with electrical problems If any of them should blow replace with a new one of the same capacity Protected Circuit W10234300 Replacing Light Bulb 1 Head lights and rear combination lights Take the bulb out of the light body and replace with a new one 2 Other lights Detach the lens and replace the bulb W10238020 Fuse No Capacity A Protected circuit...

Page 46: ...der W10241000 Piston Ring Tool Code No 07909 32121 Application Use exclusively for removing or installing the piston ring with ease W10241500 Diesel Engine Compression Tester Code No 07909 30208 Assembly 07909 31251 G 07909 30934 A to F 07909 31271 I 07909 31211 E and F 07909 31281 J 07909 31231 H Application Use to measure diesel engine compression and diagnostics of need for major overhaul W1024...

Page 47: ...Use to check of radiator cap pressure and leaks from cooling system W10245320 Connecting Rod Alignment Tool Code No 07909 31661 Application Use to check the connecting rod alignment Applicable Connecting rod big end I D range 30 to 75 mm 1 18 to 2 95 in dia Connecting rod length 65 to 300 mm 2 56 to 11 81 in W10245830 Nozzle Tester Code No 07909 31361 Application Use to check the fuel injection pr...

Page 48: ...The following special tools are not provided so make them referring to the figure Valve Guide Replacing Tool Application Use to press out and press fit the valve guide W10250170 A 20 mm dia 0 79 in dia B 11 7 to 11 9 mm dia 0 460 to 0 468 in dia C 6 5 to 6 6 mm dia 0 256 to 0 259 in dia D 225 mm 8 86 in E 70 mm 2 76 in F 45 mm 1 77 in G 25 mm 0 98 in H 5 mm 0 197 in I 6 7 to 7 0 mm dia 0 263 to 0 ...

Page 49: ...on pipe F PF 1 2 G 5 mm 0 20 in H 17 mm dia 0 67 in dia I 8 mm dia 0 31 in dia J 1 0 mm 0 039 in K 17 mm dia 0 67 in dia L 6 10 to 6 20 mm dia 0 2402 to 0 2441 in dia M 8 mm 0 31 in N 4 mm 0 16 in O 11 97 to 11 99 mm dia 0 4713 to 0 4721 in dia P PF 1 2 Q 23 mm 0 91 in R 17 mm 0 67 in S 4 mm 0 16 in T 12 00 to 12 02 mm dia 0 4724 to 0 4732 in dia U 100 mm 3 94 in V M12 P1 5 a Adhesive application ...

Page 50: ...n dia a 6 3 μm 250 μin b 6 3 μm 250 μin A 196 mm 7 7165 in B 26 mm 1 0236 in C 150 mm 5 9055 in D 25 8 to 25 9 mm dia 1 0157 to 1 0197 in dia E 28 8 to 28 9 mm dia 1 1339 to 1 1378 in dia F 20 mm dia 0 7874 in dia a 6 3 μm 250 μin b 6 3 μm 250 μin A 135 mm 5 31 in B 72 mm 2 83 in C R40 mm R1 57 in D 10 mm 0 39 in E 20 mm 0 79 in F 20 mm dia 0 79 in dia G 56 8 to 56 9 mm dia 2 236 to 2 240 in dia H...

Page 51: ...ease W10264720 Steering Wheel Puller Code No 07916 51090 Application Use for removing the steering wheel without damaging the steering shaft W10265330 Pitman Arm Puller Code No 07916 39011 Application Use for pulling out pitman arm from tractor W10265850 A 188 mm 7 4 in B 18 mm 0 7 in C 150 mm 5 9 in D C1 Chamfer 1 0 mm 0 039 in E 73 9 to 74 0 mm dia 29 09 to 29 13 in dia F 69 8 to 69 9 mm dia 2 7...

Page 52: ...Flow Meter 07916 52651 Hydraulic Test Hose Application This allows easy testing of hydraulic system W10313180 Adaptor Set for Flow Meter Code No 07916 54031 Application Use for testing the hydraulic system W10313960 1 Gauge 07916 50322 2 Cable 07916 50331 3 Threaded Joint 07916 50401 4 Threaded Joint 07916 50341 5 Adaptor B M18 P1 5 07916 50361 6 Adaptor C PS3 8 07916 50371 7 Adaptor D PT1 8 07916...

Page 53: ...1 06170 Backup ring 66363 39631 A 49 mm 1 93 in M 2 5 to 2 9 mm 0 10 to 0 11 in B G 1 4 N 13 5 mm 0 53 in C G 1 2 O 8 mm 0 31 in D 20 mm 0 79 in P 29 mm 1 14 in E 15 mm 0 59 in Q 34 7 mm 1 37 in F 2 5 to 2 9 mm 0 10 to 0 11 in R 4 4 to 4 65 mm 0 17 to 0 18 in G 17 mm dia 0 67 in dia S 31 2 mm 1 23 in H 16 mm dia 0 63 in dia T 27 mm 1 06 in I 12 mm dia 0 47 in dia a 0 79 rad 45 J 6 mm dia 0 24 in d...

Page 54: ... 429 in N 3 mm dia 0 12 in dia D 8 mm 0 31 in O 12 mm 0 47 in E 13 mm 0 55 in P 3 mm 0 12 in F 8 mm 0 31 in Q Pin 6 mm dia 15 mm length 0 24 in dia 0 59 in length G 33 mm 1 30 in R C3 Chamfer 3 mm 0 12 in H 45 mm 1 77 in S C3 Chamfer 3 mm 0 12 in I 16 mm 0 63 in T R10 10 mm radius 0 39 in radius J 6 mm 0 24 in U C12 Chamfer 12 mm 0 47 in K 12 0 to 12 1 mm dia 0 472 to 0 476 in dia V C1 Chamfer 1 m...

Page 55: ... set to the prescribed level it naturally drops slowly in the course of time Thus check it everyday and inflate as necessary Type Tractor model Tire sizes Inflation pressure Farm Front B1710 6 12B 4PR 200 kPa 2 0 kgf cm2 28 psi B2110 6 12 4PR B2410 6 00 12 4PR 180 kPa 1 8 kgf cm2 26 psi B2710 7 12 4PR 170 kPa 1 7 kgf cm2 24 psi Rear B1710 8 16 4PR 160 kPa 1 6 kgf cm2 23 psi B2110 9 5 16 4PR 140 kP...

Page 56: ... tires larger than specified 1 Front Wheels Front wheel tread cannot be adjusted IMPORTANT Do not turn front discs to obtain wider tread In setting up the front wheels make sure that the inflation valve stem of the tires face outward Models B1710 B2110 B2410 B1710 B2110 B2410 Tires 6 12 Farm 6 12 Farm 6 00 12 Farm 22 8 50 12 Turf 24 8 50 12 Turf Tread Models B2710 B2710 Tires 7 12 Farm 23 8 50 12 ...

Page 57: ...r side of the wheel disk then set the wheel as shown W10358430 Tightening torque Cotter setting bolt and nut 123 to 147 N m 12 6 to 15 0 kgf m 91 1 to 108 5 ft lbs Wheel hub mounting nut 108 to 125 N m 11 0 to 12 8 kgf m 79 6 to 92 6 ft lbs 1 Nut 2 Spring Washer 3 Bolt with Cotter 4 Snap Pin 5 Wheel Hub Pin 6 Cotter Models B1710 B2110 B2410 B1710 B2110 B2410 Tires 8 16 Farm 9 5 16 Farm 9 5 18 Farm...

Page 58: ...G 43 B1710 B2110 B2410 B2710 WSM G GENERAL B B2710 Rear tread of this model can not be adjusted Models B2710 B2710 Tires 12 4 16 Farm 13 6 16 Turf Tread a 1050 mm 41 3 in KiSC issued 11 2006 A ...

Page 59: ...a calcium 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 at a time until the desired solution is achieved W10330830 Attaching Injector 1 Lift the rear tires off the ground 2 Turn the tire so that the air valve is at the top 3 Remove the air valve and atta...

Page 60: ...to the specified pressure Weight of Calcium Chloride Solution Filling 75 of Full Capacity of a Tire W10334350 Tire sizes 8 16 9 5 16 9 5 18 12 4 16 Slush free at 10 C 14 F Solid at 30 C 22 F Approx 1 kg 2 lbs CaCl2 per 4 L 1 gal of water 35 kg 77 lbs 54 kg 119 lbs 70 kg 155 lbs 85 kg 187 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 37 kg 81 lbs ...

Page 61: ...1 ENGINE KiSC issued 11 2006 A ...

Page 62: ...KiSC issued 11 2006 A ...

Page 63: ...E BODY 1 S17 1 Checking and Adjusting 1 S17 2 Disassembling and Assembling 1 S19 3 Servicing 1 S32 3 LUBRICATING SYSTEM 1 S50 1 Checking 1 S50 2 Servicing 1 S50 4 COOLING SYSTEM 1 S51 1 Checking and Adjusting 1 S51 2 Disassembling and Assembling 1 S52 3 Servicing 1 S53 5 FUEL SYSTEM 1 S54 1 Checking and Adjusting 1 S54 2 Disassembling and Assembling 1 S57 KiSC issued 11 2006 A ...

Page 64: ...fied fuel or engine oil Use specified fuel Tighten retaining nut Adjust Replace Clean Repair or replace Repair or replace Replace head gasket tighten cylinder head screw glow plug and nozzle holder Correct or replace timing gear Replace Adjust Charge Repair or replace Repair or replace Adjust or replace Connect G 29 G 20 G 8 G 8 1 S19 1 S54 1 S24 1 S57 1 S24 1 S26 S28 S31 1 S19 S21 1 S26 1 S29 1 S...

Page 65: ...due to defective seals or packing Shift ring gap direction Replace Replace piston Replace Replace 1 S29 1 S29 1 S29 1 S33 Fuel Mixed into Lubricant Oil Injection pump s plunger worn Deficient nozzle injection Injection pump broken Replace pump element or injection pump Repair or replace nozzle Replace 1 S24 1 S57 1 S24 Water Mixed into Lubricant Oil Head gasket defective Cylinder block or cylinder...

Page 66: ...adiator fin clogged with dust Inside of radiator corroded Coolant flow route corroded Radiator cap defective Radiator hose damaged Overload running Head gasket defective Incorrect injection timing Unsuitable fuel used Replenish Replace or adjust Replenish Clean Clean or replace Clean or replace Replace Replace Lessen load Replace Adjust Use specified fuel G 12 G 20 1 S19 G 8 G 27 1 S21 1 S54 G 8 K...

Page 67: ...st 2 12 mm 0 0835 in 2 12 mm 0 0835 in Valve Seat Angle Intake Angle Exhaust 1 047 rad 60 0 785 rad 45 Valve Face Angle Intake Angle Exhaust 1 047 rad 60 0 785 rad 45 Valve Stem to Valve Guide Valve Stem Valve Guide Clearance O D I D 0 035 to 0 065 mm 0 00138 to 0 00256 in 6 960 to 6 975 mm 0 27402 to 0 27461 in 7 010 to 7 025 mm 0 27598 to 0 27657 in 0 10 mm 0 0039 in Valve Recessing Protrusion R...

Page 68: ...9 in Push Rod Alignment 0 25 mm 0 0098 in Tappet to Tappet Guide Tappet Tappet Guide Clearance O D I D 0 020 to 0 062 mm 0 00079 to 0 00244 in 19 959 to 19 980 mm 0 78579 to 0 78661 in 20 000 to 20 021 mm 0 78740 to 0 78823 in 0 07 mm 0 0028 in Timing Gear D905 D1005 D1105 Crank Gear to Idle Gear Idle Gear to Cam Gear Idle Gear to Injection Pump Gear Injection Pump Gear to Governor Gear Backlash B...

Page 69: ...05 Side Clearance 0 05 to 0 15 mm 0 0020 to 0 0059 in Idle Gear 2 V1305 Side Clearance 0 20 to 0 51 mm 0 0079 to 0 0200 in 0 9 mm 0 0354 in Idle Gear Shaft to Gear Bushing Idle Gear Shaft Gear Bushing Clearance O D I D 0 020 to 0 054 mm 0 00079 to 0 00213 in 25 967 to 25 980 mm 1 02232 to 1 02283 in 26 000 to 26 021 mm 1 02362 to 1 02445 in 0 10 mm 0 0039 in Camshaft Side Clearance 0 07 to 0 22 mm...

Page 70: ... in 22 002 to 22 011 mm 0 86622 to 0 86657 in 22 025 to 22 040 mm 0 86713 to 0 86771 in 0 15 mm 0 0059 in Crankshaft Alignment 0 02 mm 0 0008 in Crankshaft Side Clearance 0 15 to 0 31 mm 0 0059 to 0 0122 in 0 50 mm 0 0197 in Crankpin to Crankpin Bearing Crankpin Crankpin Bearing Oil Clearance O D I D 0 029 to 0 091 mm 0 00114 to 0 00358 in 39 959 to 39 975 mm 1 57319 to 1 57382 in 40 004 to 40 050...

Page 71: ... in 78 169 mm 3 07751 in Cylinder Oversize 0 5 mm 0 0197 in D905 D1005 V1305 D1105 I D I D I D 72 500 to 72 519 mm 2 85433 to 2 85507 in 76 500 to 76 519 mm 3 01181 to 3 01255 in 78 500 to 78 519 mm 3 09055 to 3 09129 in 72 669 mm 2 86098 in 76 669 mm 3 01846 in 78 669 mm 3 09720 in Engine Oil Pressure At Idle Speed At Rated Speed 49 kPa or more 0 5 kgf cm2 or more 7 psi or more 196 to 441 kPa 2 0...

Page 72: ...l Tightness 14 7 MPa 150 kgf cm2 2133 psi Delivery Valve Fuel Tightness 10 seconds or more for pressure falling from 14 7 to 13 7 MPa from 150 to 140 kgf cm2 from 2133 to 1990 psi 5 seconds or more for pressure falling from 14 7 to 13 7 MPa from 150 to 140 kgf cm2 from 2133 to 1990 psi Injection Nozzle Injection Pressure 13 7 to 14 7 MPa 140 to 150 kgf cm2 1991 to 2133 psi Injection Nozzle Valve S...

Page 73: ...2 17 4 to 20 3 Item Size x Pitch N m kgf m ft lbs Cylinder head cover cap nut Injection pipe retaining nut Nozzle holder assembly Nozzle holder Overflow pipe assembly retaining nut Glow plug Bearing nut on idle gear shaft Lock nut for bearing nut Rocker arm bracket nut Cylinder head screw Crankshaft screw Connecting rod screw Flywheel screw Main bearing case screw 1 Main bearing case screw 2 Beari...

Page 74: ... 5 minutes 2 Place an oil pan underneath the engine 3 Remove the drain plug 1 to drain oil 4 Screw in the drain plug 1 When refilling Fill the engine oil up to the upper line on the dipstick 2 IMPORTANT Never mix two different type of oil Use the proper SAE Engine Oil according to ambient temperature Refer to LUBRICANTS FUEL AND COOLANT See page G 8 W10149950 Coolant capacity with recovery tank B1...

Page 75: ...T fluid Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to prevents damage to the transmission Do not mix different brands oil together W10152230 Transmission fluid capacity B1710D B2110D B2110DB B2410D B2410...

Page 76: ...eter Panel and Panel Under Cover 1 Open the meter panel 1 and disconnect the meter panel connector 2 and hour meter cable 3 Then remove the meter panel 2 Disconnect the combination switch connector 8 main switch connector 4 hazard switch connector 6 and position light switch connector 7 3 Tap out the spring pin and remove the hand accelerator lever 5 4 Remove the panel under cover 9 W10160340 1 Ho...

Page 77: ...itting with a wrench turn the pipe nut with another wrench to avoid damage at fitting installed part W10162030 Bi speed Turn Cable Bi speed Model 1 Remove the spring lock pin 1 and loosen the lock nuts 2 and then remove the bi speed turn cable 3 When reassembling When reassembling the bi speed turn cable 3 make sure the distance A Reference W10579030 Tightening torque Delivery pipe nut for HST 34 ...

Page 78: ...nt When reassembling Apply grease to the splines of the propeller shaft and universal joint When inserting the spring pins 2 face their splits in the direction parallel to the universal joint as shown in the figure W10169120 Drag Link 1 Remove the cotter pin and loosen the slotted nut 2 Disconnect the drag link 1 with a tie rod end lifter from the knuckle arm 2 When reassembling IMPORTANT Do not l...

Page 79: ...the front axle frame mounting screws and separate the front axle assembly from the engine W10175170 Outer Parts 1 Remove the hydraulic pump 1 2 Remove the clutch assembly 2 When reassembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 1901 or equivalent to the splines of clutch disc boss Insert the pressure plate noting the position of ...

Page 80: ...ming this test Variances in cylinder compression values should be under 10 W10178940 Top Clearance 1 Remove the cylinder head Do not attempt to remove the cylinder head gasket 2 Move the piston up and stick a strip of fuse 1 5 mm dia 0 059 in dia 5 to 7 mm long 0 197 to 0 276 in long on the piston head at three positions with grease so as to avoid the intake and exhaust valves and the combustion c...

Page 81: ... the piston is at the compression top dead center or the overlap position Now referring to the table below readjust the valve clearance The piston is at the compression top dead center when both the IN and EX valves do not move it is at the overlap position when both the valves move Finally turn the flywheel 6 28 rad 360 and align the TC marking line and the center of timing window Adjust all the ...

Page 82: ...out dust Then reassemble the pipes in the reverse order W10194870 Nozzle Holder Assembly and Glow Plug 1 Remove the overflow pipe assembly 5 2 Remove the nozzle holder assemblies 2 3 Remove the copper gasket and heat seal 3 4 Remove the lead 4 from the glow plugs 5 Remove the glow plugs 1 When reassembling Replace the copper gasket and heat seal with new one W10198550 1 Alternator 2 Fan Belt 3 Coo...

Page 83: ...Heat seal and copper gasket must be changed when the injection nozzle is removed for cleaning or for service W10200640 Rocker Arm and Push Rod 1 Remove the rocker arm bracket nuts 2 Detach the rocker arm assembly 1 3 Remove the push rods 2 When reassembling When putting the push rods 2 onto the tappets 3 check to see if their ends are properly engaged with the grooves IMPORTANT After installing th...

Page 84: ...ut additionally O ring 15221 33700 is required Remember you must retorque the cylinder head and readjust the valve clearance if using the carbon gasket The metal gasket cannot be used for the carbon type specification engine Do not use O ring on the oil pin when you use the metal gasket When the metal gasket is used retightening of the cylinder head bolt and the readjustment of the valve clearance...

Page 85: ...ley screw 1 3 Draw out the fan drive pulley 2 with a puller When reassembling Install the fan drive pulley to the crankshaft aligning the marks 3 on them W10181950 Fuel Pump Hour Meter Gear Case and Water Pump 1 Remove the fuel pump 1 2 Remove the hour meter gear case 2 3 Remove the water pump flange When reassembling Before installing the hour meter gear case gasket apply liquid gasket Three Bod ...

Page 86: ...ne serial ranges From 1U5494 For all diesel engine 05 series The four o rings on the gear case of the engine have been removed as the gear case gasket has been replaced with a metallic model When you install a metallic gasket model 1 Only use a new one 2 A liquid gasket is not necessary W10220030 Speed Control Plate 1 Remove the speed control plate and governor lever 1 from the governor springs 1 ...

Page 87: ...Addition or reduction of shims 0 05 mm 0 0020 in delays or advances the injection timing by approx 0 0087 rad 0 5 In disassembling and replacing be sure to use the same number of new shims with the same thickness W10223180 Fuel Camshaft 1 Remove the fuel camshaft stopper 4 2 Draw out the fuel camshaft 5 and injection pump gear 3 3 Remove the fuel feed pump cam 1 from the injection pump gear 3 When...

Page 88: ...r shaft Check the governor shaft for smooth rotation IMPORTANT When replacing the ball bearing of governor shaft securely fit the ball bearing 3 to the crankcase apply an adhesive Three Bond 1324B or equivalent to the set screw 4 and fasten the screw until its tapered part contacts the circumferential end of the ball bearing W10228020 1 External Snap Ring 2 Governor Shaft 3 Ball Bearing 4 Set Scre...

Page 89: ...figure W10230800 Camshaft and Idle Gear 1 1 Remove the external snap ring and then remove the idle gear 1 1 2 Remove the camshaft stopper mounting screw and pull out the camshaft 2 When reassembling When installing the idle gear 1 be sure to align the alignment marks a b c on the gears Securely fit the external snap ring and stopper W10234470 1 Fork Lever Shaft Cover 2 Spacer 3 Bearing 4 Fork Leve...

Page 90: ...l over the contact surface Apply the adhesive also on the center of the flange as well as on the inner wall of each bolt hole Cut the nozzle of the liquid gasket Three Bond 1207D or equivalent container at its second notch Apply liquid gasket about 5 mm 0 20 in thick Within 20 minutes after the application of fluid sealant reassemble the components Wait then for about 30 minutes and pour oil in th...

Page 91: ...inder face the mark on the connecting rod to the injection pump IMPORTANT Do not change the combination of cylinder and piston Make sure of the position of each piston by marking For example mark 1 on the No 1 piston Place the piston rings with their gaps at 0 79 rad 45 from the piston pin s direction as shown in the figure Carefully insert the pistons using a piston ring compressor Otherwise thei...

Page 92: ...he piston immerse the piston in 80 C 176 F oil for 10 to 15 minutes and insert the piston pin to the piston When installing the connecting rod to the piston align the alignment number mark 8 on the connecting rod to the arrow s direction of casting mark 9 on the piston NOTE When installing the connecting rod to the piston align the mark 8 on the connecting rod to the arrow s direction of fan shape...

Page 93: ...ring case cover 5 to remove it IMPORTANT The length of inside screws and outside screws are different Do not take a mistake using inside screws and outside screws When reassembling Fit the bearing case gasket 1 and the bearing case cover gasket 2 with correct directions Install the bearing case cover to position the casting mark UP on it upward Apply engine oil to the oil seal lip and take care th...

Page 94: ...he oil passage in the main bearing case Apply clean engine oil on the bearings Install the main bearing case assemblies in the original positions Since diameters of main bearing cases vary install them in order of makings A B or A B C from the gear case side Match the alignment numbers 4 and mark 5 on the main bearing case When installing the main bearing case 1 and 2 or 1 2 and 3 face the mark FL...

Page 95: ...ure to check the valve recessing after correcting W10277370 Cylinder Head Flaw 1 Prepare an air spray red check Code No 07909 31371 2 Clean the surface of the cylinder head with detergent 2 3 Spray the cylinder head surface with the read permeative liquid 1 Leave it five to ten minutes after spraying 4 Wash away the read permeative liquid on the cylinder head surface with the detergent 2 5 Spray t...

Page 96: ...ove carbon from the valve guide section 2 Measure the valve stem O D with an outside micrometer 3 Measure the valve guide I D with a small hole gauge and calculate the clearance 4 If the clearance exceeds the allowable limit replace the valves If it still exceeds the allowable limit replace the valve guide W10774950 Valve recessing Factory spec 0 05 protrusion to 0 15 recessing mm 0 0020 protrusio...

Page 97: ...de with a hammer during replacement W10278890 Valve Seating 1 Coat the valve face lightly with prussian blue and put the valve on its seat to check the contact 2 If the valve does not seat all the way around the valve seat or the valve contact is less than 70 correct the valve seating as follows 3 If the valve contact does not comply with the reference value replace the valve or correct the contac...

Page 98: ...pply a thin film of compound between the valve face and valve seat and fit them with valve lapping tool 4 Check the valve seating with prussian blue The valve seating surface should show good contact all the way around W10283500 Valve Lapping 1 Apply compound evenly to the valve lapping surface 2 Insert the valve into the valve guide Lap the valve onto its seat with a valve flapper or screwdriver ...

Page 99: ...re the rocker arm I D with an inside micrometer and then calculate the oil clearance 3 If the oil clearance exceeds the allowable limit replace the rocker arm and measure the oil clearance again If it still exceeds the allowable limit replace also the rocker arm shaft W10291500 Push Rod Alignment 1 Place the push rod on V blocks 2 Measure the push rod alignment 3 If the measurement exceeds the all...

Page 100: ...the oil clearance 3 If the oil clearance exceeds the allowable limit or the tappet is damaged replace the tappet W10293660 Oil Clearance between tappet and tappet guide bore Factory spec 0 020 to 0 062 mm 0 00079 to 0 00244 in Allowable limit 0 07 mm 0 0028 in Tappet O D Factory spec 19 959 to 19 980 mm 0 78579 to 0 78661 in Tappet guide bore I D Factory spec 20 000 to 20 021 mm 0 78740 to 0 78823...

Page 101: ...ar Factory spec 0 034 to 0 116 mm 0 00134 to 0 00457 in Allowable limit 0 15 mm 0 0059 in Backlash between injection pump gear and governor gear Factory spec 0 030 to 0 117 mm 0 00118 to 0 00461 in Allowable limit 0 15 mm 0 0059 in Backlash between idle gear 1 and crank gear Factory spec 0 032 to 0 115 mm 0 00126 to 0 00453 in Allowable limit 0 15 mm 0 0059 in Backlash between idle gear 1 and cam ...

Page 102: ...nt to rear 3 If the measurement exceeds the allowable limit replace the camshaft stopper W10295630 Camshaft Alignment 1 Support the camshaft with V blocks on the surface plate at both end journals 2 Set a dial indicator with its tip on the intermediate journal 3 Measure the camshaft alignment 4 If the measurement exceeds the allowable limit replace the camshaft W10296710 Idle gear side clearance D...

Page 103: ...f the oil clearance exceeds the allowable limit replace the bushing If it still exceeds the allowable limit replace the idle gear shaft W10301050 Cam height of intake Factory spec 28 80 mm 1 1339 in Allowable limit 28 75 mm 1 1319 in Cam height of exhaust Factory spec 29 00 mm 1 1417 in Allowable limit 28 95 mm 1 1398 in Oil clearance of camshaft journal Factory spec 0 050 to 0 091 mm 0 00197 to 0...

Page 104: ...ance between Piston Pin and Small End Bushing 1 Measure the piston pin O D where it contacts the bushing with an outside micrometer 2 Measure the small end bushing I D with an inside micrometer and calculate the oil clearance 3 If the oil clearance exceeds the allowable limit replace the bushing If it still exceeds the allowable limit replace the piston pin W10305740 A When Removing B When Install...

Page 105: ...ia drill NOTE Be sure to chamfer the oil hole circumference with an oil stone W10307120 Piston Ring Gap 1 Insert the piston ring into the lower part of the cylinder the least worn out part with a piston ring compressor and piston 2 Measure the ring gap with a feeler gauge 3 If the measurement exceeds the allowable limit replace the piston ring W10310120 1 Seam 2 Oil Hole A When Removing B When Ins...

Page 106: ...he connecting rod on the connecting rod alignment tool Code No 07909 31661 4 Put a gauge over the piston pin and move it against the face plate 5 If the gauge does not fit squarely against the face plate measure the space between the pin of the gauge and the face plate 6 If the measurement exceeds the allowable limit replace the connecting rod W10314620 Clearance between piston ring and piston rin...

Page 107: ...nal 3 Measure the crankshaft alignment 4 If the measurement exceeds the allowable limit replace the crankshaft W10330010 Crankshaft side clearance Factory spec 0 15 to 0 31 mm 0 0059 to 0 0122 in Allowable limit 0 50 mm 0 0197 in Oversize Bearing Code Number Marking 0 2 mm 0 008 in Thrust bearing 1 02 15521 23951 020 OS Thrust bearing 2 02 19202 23971 020 OS 0 4 mm 0 016 in Thrust bearing 1 04 155...

Page 108: ...od screws are tightened Reference Undersize crankpin bearing Undersize dimensions of crankpin W10331060 Oil clearance between crankpin and crankpin bearing Factory spec 0 029 to 0 091 mm 0 00114 to 0 00358 in Allowable limit 0 20 mm 0 0079 in Crankpin O D Factory spec 39 959 to 39 975 mm 1 57319 to 1 57382 in Crankpin bearing I D Factory spec 40 004 to 40 050 mm 1 57496 to 1 57677 in Undersize Bea...

Page 109: ...ress in a new bearing 1 2 so that its seam 1 directs toward the exhaust manifold side See figure W10339460 Oil clearance between crankshaft journal and crankshaft bearing 1 Factory spec 0 034 to 0 114 mm 0 00134 to 0 00449 in Allowable limit 0 20 mm 0 0079 in Crankshaft journal O D Factory spec 47 934 to 47 950 mm 1 88716 to 1 88779 in Crankshaft bearing 1 I D Factory spec 47 984 to 48 048 mm 1 88...

Page 110: ...ersize one referring to the table and figure NOTE Be sure not to move the crankshaft while the bearing case screws are tightened W10340750 Oil clearance between crankshaft journal and crankshaft bearing 2 Factory spec 0 034 to 0 095 mm 0 00134 to 0 00374 in Allowable limit 0 20 mm 0 0079 in Crankshaft journal O D Intermediate Factory spec 47 934 to 47 950 mm 1 88716 to 1 88779 in Crankshaft bearin...

Page 111: ...heck the cylinder wall for scratches If deep scratches are found the cylinder should be bored Refer to Correcting Cylinder D905 D1005 V1305 D1105 W10343890 Cylinder liner I D Factory spec 72 000 to 72 019 mm 2 83464 to 2 83539 in Allowable limit 72 169 mm 2 84129 in Cylinder liner I D Factory spec 76 000 to 76 019 mm 2 99212 to 2 99287 in Allowable limit 76 169 mm 2 99878 in Cylinder liner I D Fac...

Page 112: ...actory spec 76 500 to 76 519 mm 3 01181 to 3 01255 in Allowable limit 76 669 mm 3 01846 in Finishing Hone to 1 2 to 2 0 mm μR max 0 000047 to 0 000079 in μR max Oversized cylinder liner I D Factory spec 78 500 to 78 519 mm 3 09055 to 3 09129 in Allowable limit 78 669 mm 3 09720 in Finishing Hone to 1 2 to 2 0 mm μR max 0 000047 to 0 000079 in μR max Oversize Part Name Code Number Marking 0 5 mm 0 ...

Page 113: ...9520 2 Servicing Rotor Lobe Clearance 1 Measure the clearance between lobes of the inner rotor and the outer rotor with a feeler gauge 2 If the clearance exceeds the factory specifications replace the oil pump rotor assembly W10355630 Clearance between Outer Rotor and Pump Body 1 Measure the clearance between the outer rotor and the pump body with a feeler gauge 2 If the clearance exceeds the fact...

Page 114: ...tion A depressing the belt halfway between the fan drive pulley and alternator pulley at specified force 98 N 10 kgf 22 lbs 2 If the measurement is not within the factory specifications loosen the alternator mounting screws and relocate the alternator to adjust W10356670 Fan Belt Damage and Wear 1 Check the fan belt for damage 2 If the fan belt is damaged replace it 3 Check if the fan belt is worn...

Page 115: ...on the radiator cap 2 Apply the specified pressure 88 kPa 0 9 kgf cm2 13 psi and measure the time for the pressure to fall to 59 kPa 0 6 kgf cm2 9 psi 3 If the measurement is less than the factory specification replace the radiator cap W10360900 2 Disassembling and Assembling Thermostat Assembly 1 Remove the thermostat cover mounting screws and remove the thermostat cover 1 2 Remove the thermostat...

Page 116: ...l with new one W10365080 3 Servicing Thermostat Valve Opening Temperature 1 Suspend the thermostat in the water by a string with its end inserted between the valve and seat 2 Heating the water gradually read the temperature when the valve opens and leaves the string 3 Continue heating and read the temperature when the valve opens approx 6 mm 0 236 in 4 If the measurement is not within the factory ...

Page 117: ...im The liquid gasket is not required for assembling Shims are available in thickness of 0 20 mm 0 0079 in 0 25 mm 0 0098 in and 0 30 mm 0 0118 in Combine these shims for adjustments Addition or reduction of shim 0 05 mm 0 0020 in delays or advances the injection timing by approx 0 0087 rad 0 5 In disassembling and replacing the injection pump be sure to use the same number of new shims with the sa...

Page 118: ...Set a pressure tester to the fuel injection pump 4 Turn the flywheel and raise the pressure to approx 14 7 MPa 150 kgf cm2 2130 psi 5 Now turn the flywheel back about half a turn to keep the plunger free Maintain the flywheel at this position and clock the time taken for the pressure to drop from 14 7 to 13 7 MPa from 150 to 140 kgf cm2 from 2130 to 1990 psi 6 Measure the time needed to decrease t...

Page 119: ...r to adjust it Reference Pressure variation with 0 01 mm 0 0004 in difference of adjusting washer thickness Approx 235 kPa 2 4 kgf cm2 34 psi W10408820 Nozzle Spraying Condition 1 Set the injection nozzle to a nozzle tester Code No 07909 31361 and check the nozzle spraying condition 2 If the spraying condition is defective replace the nozzle piece W10411400 Valve Seat Tightness 1 Set the injection...

Page 120: ...od 4 noting its direction After assembling the nozzle be sure to adjust the fuel injection pressure W10415210 Tightening torque Nozzle holder 34 3 to 39 2 N m 3 5 to 4 0 kgf m 25 3 to 28 9 ft lbs Overflow pipe nut 19 6 to 24 5 N m 2 0 to 2 5 kgf m 14 5 to 18 1 ft lbs Nozzle holder assembly 49 0 to 68 6 N m 5 0 to 7 0 kgf m 36 2 to 50 6 ft lbs 1 Nozzle Holder 2 Adjusting Washer 3 Nozzle Spring 4 Pu...

Page 121: ...2 CLUTCH KiSC issued 11 2006 A ...

Page 122: ...CONTENTS MECHANISM 1 FEATURES 2 M1 2 LINKAGE MECHANISM 2 M2 3 OPERATION 2 M3 KiSC issued 11 2006 A ...

Page 123: ...ission and is operated by stepping on the clutch pedal When the clutch pedal is depressed the clutch is disengaged and when it is released the clutch is engaged and power from the engine is transmitted to the transmission W10126520 1 Clutch Disc 2 Pressure Plate Assembly 3 Release Bearing 4 Release Hub 5 Release Fork 6 Clutch Rod KiSC issued 11 2006 A ...

Page 124: ...g 5 installed in pressure plate assembly Then the torque is transmitted to the transmission via the clutch shaft 12 When the pedal 9 is depressed the clutch release hub 10 and the clutch release bearing 11 move towards the flywheel and push the fingers of the diaphragm spring 5 In order words this movement pulls the pressure plate 4 up an disengages the clutch 1 Engine Flywheel 2 Clutch Disc 3 Clu...

Page 125: ...move the clutch rod 7 Then the release fork 6 pushes the release hub 8 and release bearing 9 toward the flywheel Simultaneously the release bearing 9 pushes the diaphragm spring 5 As the pressure plate 4 is pulled by the diaphragm spring 5 the frictional force among the flywheel 1 clutch disc 2 and pressure plate 4 disappears Therefore rotation of the flywheel 1 is not transmitted to the clutch di...

Page 126: ...TIONS 2 S2 3 TIGHTENING TORQUES 2 S3 4 CHECKING DISASSEMBLING AND SERVICING 2 S4 1 CHECKING AND ADJUSTING 2 S4 2 DISASSEMBLING AND ASSEMBLING 2 S5 1 Separating Engine from Clutch Housing 2 S5 2 Separating Clutch Assembly 2 S9 3 SERVICING 2 S10 KiSC issued 11 2006 A ...

Page 127: ...e Replace Replace Replace Pressure plate assembly 2 S4 2 S9 2 S9 2 S9 2 S9 2 S9 Chattering Grease or oil on clutch disc facing Clutch disc or pressure plate warped Clutch disc boss spline worn or rusted Clutch shaft bent Pressure plate or flywheel face cracked or scored Clutch disc boss spline and clutch shaft spline worn Diaphragm spring strength uneven or diaphragm spring broken Replace Replace ...

Page 128: ... Setting Position Clearance C of Safety Switch when Clutch Pedal Released 1 5 to 2 5 mm 0 059 to 0 098 in Clutch Disc Disc Surface to Rivet Top Depth 0 3 mm 0 012 in Clutch Disc Boss to Gear Shaft Backlash Displacement Around Disc Edge 2 0 mm 0 079 in Pressure Plate Flatness 0 2 mm 0 008 in Diaphragm Spring Mutual Difference 0 5 mm 0 020 in Bi speed Turn Cable Outer Clutch Housing Side Distance A ...

Page 129: ...l cooler pipe nut Delivery pipe nut for power steering Drag link slotted nut Clutch housing and engine mounting screw Clutch housing and engine mounting nut Clutch cover mounting screw 29 4 to 49 0 34 to 39 50 to 58 65 to 75 17 7 to 34 5 17 7 to 20 6 48 1 to 55 8 23 5 to 27 5 3 0 to 5 0 3 5 to 4 0 5 1 to 5 9 6 6 to 7 7 1 8 to 3 5 1 8 to 2 1 4 9 to 5 7 2 4 to 2 8 21 7 to 36 2 25 3 to 28 9 36 9 to 4...

Page 130: ...utch housing 6 4 If the measurement is not within the factory specifications adjust it with the clutch pedal stopper bolt 3 5 And at the same time adjust the clearance C between safety switch 1 and clutch pedal rod 5 NOTE After adjustment sure the stopper bolt with the lock nut 4 W10115880 Clutch pedal free travel on stopper bolt stroke A Factory spec 1 0 to 1 5 mm 0 039 to 0 059 in Reference Clut...

Page 131: ... level IMPORTANT Use only KUBOTA UDT fluid Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to prevents damage to the transmission Do not mix different blands oil together W10152230 Transmission fluid capacity...

Page 132: ...eter Panel and Panel Under Cover 1 Open the meter panel 1 and disconnect the meter panel connector 2 and hour meter cable 3 Then remove the meter panel 2 Disconnect the combination switch connector 8 main switch connector 4 hazard switch connector 6 and position light switch connector 7 3 Tap out the spring pin and remove the hand accelerator lever 5 4 Remove the panel under cover 9 W10132980 1 Ho...

Page 133: ...t fitting installed part W10162030 Bi speed Turn Cable Bi speed Model 1 Remove the spring lock pin 1 and loosen the lock nuts 2 and then remove the bi speed turn cable 3 When reassembling When reassembling the bi speed turn cable 3 make sure the distance A Reference W10151930 Tightening torque Delivery pipe nut for HST 34 to 39 N m 3 5 to 4 0 kgf m 25 3 to 28 9 ft lbs Oil cooler pipe nut 50 to 58 ...

Page 134: ...t When reassembling Apply grease to the splines of the propeller shaft and universal joint When inserting the spring pins 2 face their splits in the direction parallel to the universal joint as shown in the figure W10169120 Drag Link 1 Remove the cotter pin and loosen the slotted nut 2 Disconnect the drag link 1 with a tie rod end lifter from the knuckle arm 2 When reassembling IMPORTANT Do not lo...

Page 135: ...embly Separating the Clutch Assembly 1 Remove the clutch assembly 2 from the flywheel When reassembling Direct the shorter end of the clutch disc boss toward the flywheel Apply molybdenum disulphide Three Bond 1901 or equivalent to the splines of clutch disc boss Install the pressure plate noting the position of straight pins IMPORTANT align the center of clutch disc and flywheel by inserting the ...

Page 136: ...c surface to the top of rivet at least 10 points with a depth gauge 2 If the depth is less than the allowable limit replace the disc 3 If oil is sticking to clutch disc or disc surface is carbonized replace the clutch disc W10163860 Pressure Plate Flatness 1 Place a straightedge on the pressure plate and measure clearance with a feeler gauge at several points 2 If the clearance exceeds the allowab...

Page 137: ...scratched on its surface correct with sandpaper or replace it 2 Check the diaphragm for crack and scratches If defects are found replace it W10166140 Checking Clutch Release Bearing 1 Check the clutch release bearing If surface is worn excessively or abnormal sounds occur replace it W10166850 KiSC issued 11 2006 A ...

Page 138: ...3 TRANSMISSION KiSC issued 11 2006 A ...

Page 139: ...1 5 Control Linkage 3 M14 3 RANGE GEAR SHIFT SYSTEM 3 M15 1 B1710 B2110 B2410 Two Speeds 3 M15 2 B2710 Three Speeds 3 M15 4 FRONT WHEEL DRIVE SYSTEM 3 M16 3 PTO SYSTEM 3 M17 1 REAR PTO SYSTEM 3 M17 1 Manual Transmission Type 3 M17 2 Hydrostatic Transmission Type 3 M17 2 MID PTO SYSTEM 3 M18 1 Manual Transmission Type 3 M18 2 Hydrostatic Transmission Type 3 M18 3 ONE WAY CLUTCH SYSTEM MANUAL TRANSM...

Page 140: ...Main Gear Shift Section 2 Range Gear Shift Section 3 Differential Gear Section 4 One way Clutch Section Mid and Rear PTO 5 Rear PTO Shift Section 6 Mid PTO Shift Section 7 Front Wheel Drive Section 8 Clutch Housing Section 9 Transmission Case for B2110DB B2410DB without Mid PTO KiSC issued 11 2006 A ...

Page 141: ...ISSION 2 B2110HDB B2410HDB 1 Hydrostatic Transmission Section 2 Rear PTO Shift Section 3 Range Gear Shift Section 4 Differential Gear Section 5 Mid PTO Shift Section 6 Front Wheel Drive Section 7 Clutch Housing Section KiSC issued 11 2006 A ...

Page 142: ...RANSMISSION 3 B2710HDB 1 Hydrostatic Transmission Section 2 Range Gear Shift Section 3 Differential Gear Section 4 Mid PTO Shift Section 5 Rear PTO Shift Section 6 Front Wheel Drive Section 7 Clutch Housing Section KiSC issued 11 2006 A ...

Page 143: ...13T shifter gear 3 on the 4th shaft 4 1st Position 2nd Gear Shaft with 13T Gear 1 30T Shifter Gear 2 4th Shaft 4 2nd Position 2nd Gear Shaft with 13T Gear 1 17T 13T Shifter Gear 3 4th Shaft 4 3rd Position 2nd Gear Shaft with 18T Gear 1 17T 13T Shifter Gear 3 4th Shaft 4 Reverse Position 2nd Gear Shaft with 13T Gear 1 16T 20T Gear 5 30T Shifter Gear 2 4th Shaft 4 1 2nd Gear Shaft with 13T 13T 18T G...

Page 144: ...t piston pump fixed displacement piston motor charge pump and valve system W10132090 1 Charge Relief Valve 2 Check and High Pressure Relief Valve 3 Trunnion Shaft 4 Center Section 5 Neutral Valve 6 Fixed Displacement Piston Motor 7 Housing 8 Variable Displacement Piston Pump 9 Charge Pump 10 Input Shaft Pump Shaft 11 Output Shaft KiSC issued 11 2006 A ...

Page 145: ...rge Pump Case 4 Pump Shaft 5 Variable Swashplate 6 Thrust Collar 7 Retainer Plate 8 Piston 9 Cylinder Block Motor 10 Needle Bearing 11 Motor Shaft 12 Valve Plate Motor 13 Cylinder Block Pump 14 Valve Plate Pump 15 Neutral Valve 16 Check and High Pressure Relief Valve KiSC issued 11 2006 A ...

Page 146: ...e cylinder 3 rotates pistons 2 move across the sloping face of swashplate 1 and slide in or out of their cylinder bores The oil 4 forced out by the pump pistons 2 causes the motor pistons 6 to slide out of their cylinder bores In the motor sliding out of the cylinder and moving across the sloping face of swashplate 7 the pistons rotate the cylinder 1 Swashplate 2 Piston 3 Cylinder 4 Oil 5 Cylinder...

Page 147: ...rge oil passes through the oil cooler and oil filter cartridge to charge relief valve port The rest of oil passes through the charge relief valve into the HST housing And overflow oil from HST housing return to the transmission case 1 Oil Cooler 2 Oil Filter for HST 3 Charge Pump 4 Swashplate 5 Motor Cylinder Block 6 Neutral Valve Forward 7 Neutral Valve Reverse 8 Piston 9 Pump Cylinder Block 10 C...

Page 148: ...essure relief valve along the high pressure line serves as a high pressure relief valve If the pressure exceeds a high pressure limit level the pressure poppet opens itself against the relief valve spring 3 force and opens the valve seat that is located between the check valve seat 1 and the pressure poppet 2 Now the flow goes from P1 to P2 and P3 C If the P1 pressure drops the relief valve spring...

Page 149: ...n the oil pressure in the high pressure line increases to a specified pressure the neutral valve closes W10144000 Oil temperature Valve operating pressure 50 C 122 F 500 to 800 kPa 5 1 to 8 2 kgf cm2 73 to 116 psi 1 Plug 2 Spring 3 Charge Relief Valve A Charge Relief Valve Closed B Charge Relief Valve Opened When engine is started Oil temperature Valve operating pressure 50 C 122 F Close 7 36 to 9...

Page 150: ...ionary and the output shaft does not move 1 Oil Cooler 2 Oil Filter for HST 3 Charge Pump 4 Swashplate 5 Motor Cylinder Block 6 Neutral Valve Forward 7 Neutral Valve Reverse 8 Piston 9 Pump Cylinder Block 10 Charge Relief Valve 11 Oil Strainer 12 Check and High Pressure Relief Valve Forward 13 Check and High Pressure Relief Valve Reverse 14 Hydraulic Pump for Power Steering 15 Hydraulic Pump for M...

Page 151: ...e machine forward and the angle of pump swashplate determines the output shaft speed As the motor cylinder block continues to rotate oil is forced out of motor port D at low pressure and returns to the pump port B 1 Oil Cooler 2 Oil Filter for HST 3 Charge Pump 4 Swashplate 5 Motor Cylinder Block 6 Neutral Valve Forward 7 Neutral Valve Reverse 8 Piston 9 Pump Cylinder Block 10 Charge Relief Valve ...

Page 152: ... machine rearward and the angle of pump swashplate determines the output shaft speed As the motor cylinder block continues to rotate oil is forced out of motor port C at low pressure and returns to the pump port A 1 Oil Cooler 2 Oil Filter for HST 3 Charge Pump 4 Swashplate 5 Motor Cylinder Block 6 Neutral Valve Forward 7 Neutral Valve Reverse 8 Piston 9 Pump Cylinder Block 10 Charge Relief Valve ...

Page 153: ...verse speed The roller 7 on the neutral holder arm 6 is held with spring seats the detent of the neutral holder 5 so that the neutral holder returns to neutral Then the swashplate is returned to neutral with the neutral holder when the pedal is released The damper 2 connected to the speed control pedal restricts the movement of the linkage to prevent abrupt operation or reversing 1 Speed Control R...

Page 154: ... bevel pinion shaft are selected by operating the range gear shift lever to shift the gears 2 on the spiral bevel pinion shaft 3 Low Position 4th Gear Shaft 11T 1 Shifter Gear 2 Spiral Bevel Pinion Shaft 3 Middle Position 4th Gear Shaft 16T 1 Shifter Gear 2 Spiral Bevel Pinion Shaft 3 High Position 4th Gear Shaft 23T 1 Shifter Gear 2 Spiral Bevel Pinion Shaft 3 W10161470 Manual Transmission 1 4th ...

Page 155: ...smitted to the front wheel drive shaft 1 When the front wheel drive lever is set to Engaged the shifter gear 2 slides to the right to engage with gear 4 on the spiral bevel pinion shaft 3 Therefore the front drive shaft is actuated to drive the front wheels W10164150 1 Front Wheel Drive Shaft 2 Shifter Gear B1710 B2110 B2410 20T B2710 19T 3 Spiral Bevel Pinion Shaft 4 Gear B1710 B2110 B2410 13T B2...

Page 156: ... 6 Rear PTO Shaft 7 2 Hydrostatic Transmission Type W10169190 Rear PTO Shift Lever ON Position HST Pump Shaft 1 14T Gear 3 27T Gear 4 2nd Gear Shaft with 13T Gear 5 17T Shifter Gear 2 3rd Shaft 6 Coupling 7 5th Shaft with 11T Gear 8 24T Gear 9 Rear PTO Shaft 10 1 2nd Gear Shaft with 13T 13T and 18T Gear 2 17T Shifter Gear 3 3rd Shaft 4 One way Clutch 5 5th Gear Shaft with 11T Gear 6 24T Gear 7 Rea...

Page 157: ...Gear 3 11T Gear 4 Shifter 5 One way Clutch 6 Mid PTO Shaft 7 2 Hydrostatic Transmission Type W10173010 Mid PTO Shift Lever ON Position HST Pump Shaft 1 14T Gear 2 27T Gear 3 2nd Gear Shaft with 18T Gear 4 13T Gear 5 19T Gear 6 11T Shifter Gear 7 Mid PTO Shaft 8 1 2nd Gar Shaft with 13T 13T and 18T Gear 2 13T Gear 3 19T Gear 4 11T Gear 5 Shifter 6 One way Clutch 7 Mid PTO Shaft 1 HST Pump Shaft 2 1...

Page 158: ...emain engaged and the shaft 5 is driven But if the PTO shaft drives a rotary mower as an implement for example and the source of power is stopped by pressing the clutch pedal or if the engine speed is lowered the clutch cam 4 will overrun as shown in the figure This overrunning is caused by the inertia of the mower blades Then engagement will not take place until the shaft 1 is running faster than...

Page 159: ...ined to the mid PTO shaft 1 This one way clutch system also functions as same as rear PTO one way clutch If the source of power is stopped by pressing the clutch pedal or disengaging the shifter 3 the clutch cam 5 will overrun and move to press the brake disc 8 by spring 6 As a result rotation of mid PTO shaft 1 is reduced or stopped W10176500 1 Mid PTO Shaft 2 Gear 3 Shifter 4 Clutch Cam 5 Clutch...

Page 160: ...l gear shaft 1 5 receive the same rotation and both wheels travel at the same speed W10198320 During Turning The power from the engine on spiral bevel pinion 3 rotates spiral bevel gear 2 When turning a corner the outer wheel must travel farther than the inner one While differential pinions 6 rotate with the differential case they spin on differential pinion 6 to transmit more rotation to one diff...

Page 161: ...o rotate which will move the shift fork 2 and the differential lock clutch 5 toward the spiral bevel gear 8 The differential lock clutch 5 engaged with the teeth of the differential case 6 to cause the differential case 6 and the differential lock clutch 5 to rotate as a unit Therefore differential pinions 1 are unable to rotate around differential pinion shaft 7 and identical revolutions are tran...

Page 162: ...S10 2 DISASSEMBLING CLUTCH HOUSING 3 S15 3 SEPARATING CENTER FRAME AND TRANSMISSION CASE 3 S16 4 DISASSEMBLING TRANSMISSION CASE 3 S25 1 Manual Transmission Model 3 S25 2 HST Model 3 S29 5 DISASSEMBLING DIFFERENTIAL GEAR CASE 3 S35 6 SERVICING 3 S37 1 CLUTCH HOUSING 3 S37 2 TRANSMISSION CASE 3 S37 1 Manual Transmission Model 3 S37 2 HST Model 3 S38 3 DIFFEFENTIAL GEAR 3 S42 KiSC issued 11 2006 A ...

Page 163: ...3 S1 B1710 B2110 B2410 B2710 WSM TRANSMISSION 1 TROUBLESHOOTING KiSC issued 11 2006 A ...

Page 164: ...3 S2 B1710 B2110 B2410 B2710 WSM TRANSMISSION KiSC issued 11 2006 A ...

Page 165: ...eplace Replace Replace 3 S27 S33 S34 3 S27 S33 Excessive or Unusual Noise at All Time Improper backlash between spiral bevel pinion and bevel gear Improper backlash between differential pinion and differential side gear Bearing worn Insufficient or improper type of transmission fluid used Adjust Adjust Replace Replenish or replace 3 S44 3 S43 G 8 Noise while Turning Differential pinions or differe...

Page 166: ...0 15748 in 0 1 mm 0 004 in 16T 20T Gear to Front Wheel Drive Shaft Front Wheel Drive Shaft 16T 20T Gear Needle Clearance O D I D O D 0 027 to 0 067 mm 0 00106 to 0 00264 in 21 967 to 21 980 mm 0 86484 to 0 86535 in 28 007 to 28 021 mm 1 10264 to 1 10319 in 2 996 to 3 000 mm 0 11795 to 0 11811 in 0 1 mm 0 004 in 11T Gear One way Clutch Cam to Mid PTO Shaft Mid PTO Shaft 11T Gear and One way Clutch ...

Page 167: ...2 025 mm 1 25984 to 1 26082 in 31 959 to 31 975 mm 1 25823 to 1 25886 in 0 3 mm 0 012 in Differential Pinion Shaft to Differential Pinion Differential Pinion Shaft Differential Pinion Clearance O D I D 0 016 to 0 045 mm 0 00063 to 0 00177 in 15 973 to 15 984 mm 0 62886 to 0 62929 in 16 000 to 16 018 mm 0 62992 to 0 63063 in 0 3 mm 0 012 in Piston to Bore HST Clearance 0 02 mm 0 0008 in 0 04 mm 0 0...

Page 168: ...ifferential gears bearing holder mounting screw Spiral bevel gear UBS screw Check and high pressure relief valve plug Neutral valve cap screw 29 4 to 49 0 34 0 to 39 0 50 0 to 57 9 17 7 to 34 5 64 7 to 75 5 77 5 to 90 1 17 7 to 20 6 48 1 to 55 8 62 8 to 72 6 17 7 to 20 6 47 1 to 56 9 77 5 to 90 1 14 7 to 19 6 43 0 to 47 0 123 to 147 108 to 125 108 to 125 39 2 to 44 1 34 0 to 39 0 39 2 to 44 1 77 5...

Page 169: ...4 Rotate the neutral adjuster 2 clockwise so that rear wheels turn reverse 5 Then rotate it counterclockwise until wheels stop completely 6 Put a mark on the center frame aligning the groove 3 on neutral adjuster 7 Rotate the neutral adjuster 2 counterclockwise so the rear wheels turn forward 8 Then rotate it clockwise until wheels stop completely 9 Put a mark on the center frame aligning the groo...

Page 170: ...nge the range gear shift lever to High position 4 Start the engine and run it at the maximum speed 5 Depress the speed control pedal forward and read the high pressure gauge to measure the forward high relief pressure 6 Stop the engine and change the installation of HST adaptor A and pressure gauge from forward neutral valve port to reverse 7 Start engine and repeat above method 4 and 5 to measure...

Page 171: ...nect the brake rod one side 3 Lift the rear of tractor one side 4 Set the engine speed to 1500 rpm 5 Shift the range gear shift lever to Hi position 6 Move the HST pedal from the forward to the neutral position make sure that the tire comes to stop Check the same way for the movement from rearward to the neutral position In this time make sure that the neutral range of HST 7 If the tire fail to st...

Page 172: ...evel IMPORTANT Use only KUBOTA UDT fluid Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to prevents damage to the transmission Do not mix different brands oil together W10152230 Transmission fluid capacity B...

Page 173: ...0 Meter Panel and Panel Under Cover 1 Open the meter panel 1 and disconnect the meter panel connector 2 and hour meter cable 3 Then remove the meter panel 2 Disconnect the combination switch connector 8 main switch connector 4 hazard switch connector 6 and position light switch connector 7 3 Tap out the spring pin and remove the hand accelerator lever 5 4 Remove the panel under cover 9 W10334030 1...

Page 174: ...damage at fitting installed part W10337450 Bi speed Turn Cable Bi speed Model 1 Remove the spring lock pin 1 and loosen the lock nuts 2 and then remove the bi speed turn cable 3 When reassembling When reassembling the bi speed turn cable 3 make sure the distance A Reference W10165020 Tightening torque Delivery pipe nut for HST 34 to 39 N m 3 5 to 4 0 kgf m 25 3 to 28 9 ft lbs Oil cooler pipe nut 5...

Page 175: ...joint When reassembling Apply grease to the splines of the propeller shaft and universal joint When inserting the spring pins 2 face their splits in the direction parallel to the universal joint as shown in the figure W10169120 Drag Link 1 Remove the cotter pin and loosen the slotted nut 2 Disconnect the drag link 1 with a tie rod end lifter from the knuckle arm 2 When reassembling IMPORTANT Do no...

Page 176: ...then disconnect the connectors for alternator and starter motor lead wire 3 Disconnect the accelerator rod 4 Place the jack under the center frame 5 Hoist the engine by the chain at the engine hook 6 Remove the engine mounting screws and separate the engine from the clutch housing When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the engine and clutch housing W1...

Page 177: ...se hub with release bearing 3 When reassembling Set the clutch release fork and release hub with set spring 4 in the correct direction W10144100 Clutch Housing Rear Cover 1 Remove the clutch housing rear cover 1 When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of clutch housing and rear cover 1 W10145420 Tightening torque Clutch housing mounting screw and nut 62 8...

Page 178: ...l seal 5 W10146790 3 SEPARATING CENTER FRAME AND TRANSMISSION CASE Draining Transmission Fluid 1 See page 3 S10 W10149430 Battery Connector 1 Open the hood and remove the front grille 2 Disconnect the battery ground cord 1 NOTE When disconnecting the battery cords disconnect the grounding cord first When connecting the positive cord first W10149930 1 Clutch Shaft Assembly 2 2nd Gear Shaft Front As...

Page 179: ...late of ROPS 8 Disconnect the wiring harness of number plate light and trailer coupler 9 Remove the left and right side of ROPS frame 5 7 10 Remove the 3 point hitch shaft 10 When reassembling W10153490 1 Seat Stay 2 Seat Under Cover Rear 3 Front Wheel Drive Lever Grip 4 Seat 5 Seat Under Cover Front 6 Lowering Speed Adjusting Knob 7 Fender Cover A B1710 B2110 B2410 B B2710 Tightening torque Conne...

Page 180: ...osen the rear wheel cotter setting bolt and nut 1 3 Take out the wheel hub pin 2 4 Take out the rear wheel and support the rear axles by stands IMPORTANT When re fitting or adjusting a wheel tighten the bolts to the following torques and then recheck them after driving the tractor approximately 200 m 200 yards When reassembling W10158030 Tightening torque Steering wheel mounting nut 29 4 to 49 0 N...

Page 181: ... note the distance A before disconnecting the bi speed turn cable 12 4 Remove the seat stay rear 4 and front 7 5 Remove the rubber mat 8 6 Remove the clutch springs and remove the left hand side step 7 Disconnect the speed set rod 9 and link 10 HST Model 8 Remove the brake springs and remove the right hand side step When reassembling Be sure to adjust the position of bi speed turn cable See page 4...

Page 182: ...Disconnect the coupler for safety switch and remove the seat stay front 12 9 Loosen the lock nus and disconnect the bi speed turn cable 11 and then remove the seat stay rear 10 with bi speed turn lever 9 NOTE Measure and note the distance A before disconnecting the bi speed turn cable 11 When reassembling Be sure to adjust the position of bi speed turn cable See page 4 S8 W10164720 1 Fuel Tank wit...

Page 183: ... 3 make sure the distance A Reference W10171350 Propeller Shaft Cover and Coupling 1 Loosen the clamp and slide the propeller shaft cover 1 to the rear 2 Tap out the spring pin 2 and then slide the coupling 3 to the rear When reassembling Apply grease to the splines of the propeller shaft and coupling W10174860 Tightening torque Speed control rod screw 39 2 to 44 1 N m 4 0 to 4 5 kgf m 28 9 to 32 ...

Page 184: ...e the delivery pipe 6 joint bolt and pipe setting screw 6 Loosen the pipe clamps and disconnect the suction pipe 8 7 Remove the lock nuts and remove the parking brake rods 9 14 8 Disconnect the parking brake lever plate 13 and remove the parking brake lever 12 lever stay 11 and parking brake lever plate 13 as a unit 9 Remove the clevis pin and remove the parking brake arm 15 and shaft 10 When reas...

Page 185: ...onnect the suction pipe 21 14 Remove the HST safety switch holder with neutral rod 18 15 Disconnect the HST delivery pipe 22 When reassembling Be sure to adjust the parking brake lever See page 5 S4 IMPORTANT When HST safety switch 5 has been removed be sure to adjust the length A Reference Length A 7 5 to 8 5 mm 0 29 to 0 33 in W10182960 Tightening torque Joint bolt 3P delivery pipe 34 0 to 39 0 ...

Page 186: ...rame mounting screws and nuts and separate the center from transmission case When reassembling Apply grease to the splines of HST pump shaft front wheel propeller shaft universal joint and ball coupling Reinstall the connecting pipe and two O rings securely Manual Transmission Model W10191530 A Manual Transmission Model B HST Model KiSC issued 11 2006 A ...

Page 187: ...nt as shown in the figure Apply liquid gasket Three Bond 1208D or equivalent to joint face of the main shift cover to transmission case and differential case to the hydraulic cylinder Apply grease to the spline of the front wheel drive propeller shaft universal joint and ball coupling Reinstall the connecting pipe with O rings and back up ring securely W10193920 Tightening torque Connecting plate ...

Page 188: ... equivalent to joint face of the front cover to transmission case W10204770 4th Gear Shaft 1 Remove the bearing 30T shifter gear and 13T 17T shifter gear 2 Draw out the 4th gear shaft 1 with 11T gear rearward W10205970 Tightening torque Drawbar frame mounting screw 62 8 to 72 5 N m 6 4 to 7 4 kgf m 46 3 to 53 5 ft lbs Mid PTO case mounting screw 39 2 to 44 1 N m 4 0 to 4 5 kgf m 28 9 to 32 5 ft lb...

Page 189: ...stalling the needle bearing into the 16T 20T gear apply transmission oil to the needle bearings W10209260 Middle Shaft and 3rd Shaft 1 Tap out the middle shaft 1 and remove the 19T gear with bearing 2 Draw out the 3rd shaft 2 with 17T gear 3 13T gear and shift fork 4 with shift fork rod 7 When reassembling When installing the needle bearing 5 into the 13T gear 6 apply transmission oil to the needl...

Page 190: ...gear 6 and shifter 7 When reassembling Apply grease to lip and outer of oil seal When installing the needle bearings 12 into the 11T gear and one way clutch cam apply transmission oil to the needle bearings NOTE When installing the needle bearings 12 noting the position of needle bearings onto the mid PTO shaft shown in the figure W10211930 Tightening torque Mid PTO rear cover mounting screw 17 7 ...

Page 191: ...spring holder 1 4 Separate the HST from transmission case When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the HST and transmission case When inserting the spring pins face their splits in the direction at a right angle to the universal joint and propeller shaft as shown in the figure Apply grease to the spline of the HST pump shaft front wheel propeller shaft ...

Page 192: ...ion case 1 2 Remove the transmission case mounting screws and nuts and separate the differential case 2 and transmission case 1 with middle case 3 as a unit When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the transmission case and differential case W10226120 Tightening torque Hydraulic cylinder mounting screw and nut 39 2 to 44 1 N m 4 0 to 4 5 kgf m 28 9 to 3...

Page 193: ...he charge pump mounting screws and remove the charge pump assembly 1 from the HST housing When reassembling NOTE Take care not to damage the O ring W10230730 14T Gear 1 Remove the external snap ring and draw out the 14T gear 1 W10232800 Tightening torque Neutral adjuster lock screw 17 7 to 20 6 N m 1 8 to 2 1 kgf m 13 0 to 15 2 ft lbs Neutral holder mounting screw 23 6 to 27 4 N m 2 4 to 2 8 kgf m...

Page 194: ...to drop them Valve plates are not interchangeable Valve plate of pump has two notches and the one of motor has no W10233570 Motor Cylinder Block and Pump Cylinder Block 1 Pull out the output shaft 1 and motor cylinder block 2 with pistons as a unit 2 Slide out the pump cylinder block 3 with pistons W10235500 Input Shaft 1 Tap out the input shaft 1 to the rear W10237420 Tightening torque Center sec...

Page 195: ...r 7 and shift fork 2 B2710 1 Remove the spiral bevel pinion shaft 5 with 14T 27T 32T shifter gear 4 14T gear 7 and shift fork 2 2 Remove the 4th gear shaft 3 When reassembling When installing the spiral bevel pinion shaft be sure to install the shims 6 IMPORTANT When disassembling the spiral bevel pinion shaft 5 be sure to replace the external snap ring 8 with new one When set the shift fork 2 and...

Page 196: ...r When installing the needle bearing 7 into the 13T gear 8 apply tranmsission oil to the needle bearing Install shift fork rod and shift fork as shown in the figure W10247410 Front Wheel Drive Shaft 1 Remove the external snap ring and remove the 20T or 19T shifter gear 1 2 Draw out the front wheel drive shaft 2 to the front W10250090 Tightening torque Bearing holder mounting screw 50 to 55 N m 5 1...

Page 197: ...erential gear case and PTO cover W10252980 Differential Gear Assembly 1 Remove the bearing holder mounting screws and remove the bearing holder 1 2 Take out the differential gear assembly 3 When reassembling Install the differential gear assembly noting the number of shims 2 in the differential case left side and bearing holder side W10254060 1 Spring 2 Ball 3 11T Shifter Gear 4 Shift Arm 5 Shifte...

Page 198: ...n 1 Put parting marks on the differential pinion 1 and the differential side gear 2 2 Tap out the dowel pin 3 3 Remove the differential pinion shaft 4 Remove the differential pinion 4 differential side gear 2 and shim 5 When reassembling Install the differential pinion and differential side gear aligning the parting marks W10257540 Tightening torque Spiral bevel gear UBS screw 29 4 to 34 3 N m 3 0...

Page 199: ...he ball coupling assembly install the ball coupling inner 1 with balls so that its ball position inside of ball coupling outer 2 as shown in the figure W10261250 2 TRANSMISSION CASE 1 Manual Transmission Model Checking Bearing 1 Hold the inner race and push and pull the outer race in all directions to check for wear and roughness 2 Apply transmission fluid to the bearing and hold the inner race Th...

Page 200: ...l drive shaft O D Factory spec 21 967 to 21 980 mm 0 86484 to 0 86535 in 16T 20T gear I D Factory spec 28 007 to 28 021 mm 1 10264 to 1 10319 in Needle O D Factory spec 2 996 to 3 000 mm 0 11795 to 0 11811 in Clearance between 13T gear and 3rd shaft Factory spec 0 007 to 0 046 mm 0 00028 to 0 00181 in Allowable limit 0 1 mm 0 004 in 3rd shaft O D Factory spec 21 987 to 22 000 mm 0 86562 to 0 86614...

Page 201: ...te 1 Check the slipper 1 for flatness 2 If rounded replace 3 Measure the thickness of piston slipper 4 If the measurement is less than the allowable limit replace 5 Check the lubricant hole 2 for clogging IMPORTANT Do not interchange pistons between pump and motor cylinder block Pistons and cylinder blocks are matched W10273650 Cylinder Block Face 1 Check the polished face 1 of cylinder block for ...

Page 202: ...Check the bearing surface 2 of trunnion shaft swashplate for scratches and excessive wear 4 If worn or scored replace W10279430 Trunnion Shaft Cover 1 Check the bearing 2 for scratches and excessive wear 2 If worn or scored replace 3 Check the oil seal 3 and the O rings 1 for damage NOTE After checking coat the bearings with hydrostatic transmission oil and the oil seal lip and the O rings 1 with ...

Page 203: ...ce 6 If anything unusual replace NOTE When reassembling replace the O rings and the backup rings W10284530 Charge Relief Valve 1 Check the spring 2 for breakage and wear 2 If it unusual replace W10286620 B Transmission Case Checking Bearing 1 Hold the inner race and push and pull the outer race in all directions to check for wear and roughness 2 Apply transmission fluid to the bearing and hold the...

Page 204: ...ase I D and the spiral bevel gear I D with an inside micrometer and calculate the clearance 3 If the clearance exceeds the allowable limit replace faulty parts W10292110 Clearance between shift fork and shift gear groove Factory spec 0 10 to 0 35 mm 0 004 to 0 014 in Allowable limit 0 5 mm 0 020 in Clearance between 13T gear and 3rd shaft Factory spec 0 007 to 0 046 mm 0 00028 to 0 00181 in Allowa...

Page 205: ... and side gear against the differential case 4 Hold the differential pinion and move the differential side gear to measure the backlash 5 If the backlash exceeds the allowable limit adjust with differential side gear shims NOTE Thickness of shims 0 8 mm 0 0315 in 1 0 mm 0 0394 in 1 2 mm 0 0472 in W10296530 Clearance between differential pinion shaft and differential pinion Factory spec 0 016 to 0 ...

Page 206: ...lash by fixing the spiral bevel pinion 4 and moving bevel gear 2 by hand 6 If the backlash exceeds the factory specifications adjust with the shims 1 5 at bearing holder 6 and differential case 7 Adjust the backlash properly by repeating the above procedure When adjusting Reference Thickness of shims 1 5 0 2 mm 0 008 in 0 5 mm 0 020 in Thickness of shims 3 0 2 mm 0 008 in 1 4 mm 0 055 in 1 8 mm 0 ...

Page 207: ...4 REAR AXLE KiSC issued 11 2006 A ...

Page 208: ...CONTENTS MECHANISM 1 FEATURES 4 M1 KiSC issued 11 2006 A ...

Page 209: ... rear wheel load as well as transmitting power to the rear wheels The differential gears 7 automatically controls the revolution of right and left wheels when the rear wheels encounter unequal road resistance during turning A B1710 B2110 B2410 B B2710 1 Ball Bearing 2 Rear Axle Case 3 Differential Gear Shaft 4 Rear Axle 5 Spur Gear 6 Spiral Bevel Gear 7 Differential Gear KiSC issued 11 2006 A ...

Page 210: ... SERVICING SPECIFICATIONS 4 S1 2 TIGHTENING TORQUES 4 S2 3 DISASSEMBLING AND ASSEMBLING 4 S3 1 SEPARATING REAR AXLE CASE 4 S3 1 B1710 B2110 B2410 4 S3 2 B2710 4 S6 2 DISASSEMBLING REAR AXLE CASE 4 S8 KiSC issued 11 2006 A ...

Page 211: ...XLE 1 SERVICING SPECIFICATIONS Bi Speed Turn Model W10138740 Item Factory Specification Allowable Limit Bi speed Turn Cable Outer Bi speed Turn Cable Support Side Distance B B2110 B2410 B2710 19 mm 0 75 in 16 mm 0 63 in KiSC issued 11 2006 A ...

Page 212: ...27360 Item N m kgf m ft lbs B1710 B2110 B2410 Rear wheel hub mounting nut Cotter setting bolt and nut Rear axle case mounting screw B2710 Rear wheel mounting screw and nut Rear axle case mounting screw 108 to 125 123 to 147 39 2 to 44 1 108 to 125 39 2 to 44 1 11 0 to 12 8 12 6 to 15 0 4 0 to 4 5 11 0 to 12 8 4 0 to 4 5 79 6 to 92 6 91 1 to 108 5 28 9 to 32 5 79 6 to 92 6 28 9 to 32 5 KiSC issued ...

Page 213: ...nning the engine for few minutes stop it and check the oil level again if low add oil prescribed level IMPORTANT Use only multi grade transmission oil Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to preven...

Page 214: ...ng brake stay 2 parking brake lever plate 3 and parking brake lever as a unit 5 Remove the rear axle case mounting screw 6 Separate the rear axle case 5 from the differential case When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the rear axle case and differential gear case after eliminating the water oil and stuck liquid gasket Be sure to adjust the parking br...

Page 215: ... rear axle case 1 from the differential case When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the rear axle case and differential gear case after eliminating the water oil and stuck liquid gasket When reassembling the bi speed turn cable 10 make sure to set the distance A and B Be sure to adjust the parking brake lever See page 5 S4 W10117880 Tightening torque ...

Page 216: ...sion oil Use of other oils may damage the transmission or hydraulic system Refer to LUBRICANTS FUEL AND COOLANT See page G 8 Never work the tractor immediately after changing the transmission oil Keeping the engine at medium speed for a few minutes to prevents damage to the transmission Do not mix different blands oil together W10123640 Rear Wheels 1 Place hydraulic jack under the main frame rear ...

Page 217: ...xle case LH 7 When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the rear axle case and differential gear case after eliminating the water oil and stuck liquid gasket Be sure to adjust the parking brake lever See page 5 S4 W10130520 Tightening torque Rear axle case mounting screw 39 2 to 44 1 N m 4 0 to 4 5 kgf m 28 9 to 32 5 ft lbs 1 Brake Rod LH 2 Parking Brake...

Page 218: ...d B Be sure to adjust the parking brake lever See page 5 S4 W10134730 2 DISASSEMBLING REAR AXLE CASE Differential Lock Shift Fork Differential Lock Clutch Right Side Only 57T Gear and Rear Axle 1 Remove the spring 1 2 Draw out the differential lock shift fork 2 and differential lock clutch 3 3 Remove the external snap ring 6 and remove the bearing 5 4 Draw out the 57T gear 4 from the rear axle 7 5...

Page 219: ...5 BRAKES KiSC issued 11 2006 A ...

Page 220: ...CONTENTS MECHANISM 1 FEATURES 5 M1 2 OPERATION 5 M2 KiSC issued 11 2006 A ...

Page 221: ...equired 2 Stable braking Since the brake discs are immersed in transmission oil Fade is rarely caused even after repeated braking and a stable braking force is obtained 3 Pedal stroke does not change under influence of heat Unlike internal expanding type brakes the drum to shoe clearance of the wet disc brake does not increase due to thermal expansion and the increased pedal stroke does not result...

Page 222: ...se is arranged between the brake discs During Braking When the brake pedal is pressed the linkage causes the brake cam lever 8 and brake cam 7 to turn into the direction of arrow shown in the above figure Therefore the cam plate 1 also moves the direction of arrow At this time since the cam plate 1 rides on the steel balls 5 set in the grooves of the rare axle case to press the brake disc 3 the di...

Page 223: ...NS 5 S2 3 CHECKING DISASSEMBLING AND SERVICING 5 S3 1 BRAKE PEDAL AND PARKING BRAKE 5 S3 1 Checking and Adjusting 5 S3 2 Disassembling and Assembling 5 S5 3 Servicing 5 S6 2 BRAKE ASSEMBLY 5 S6 1 Disassembling and Assembling 5 S6 2 Servicing 5 S7 KiSC issued 11 2006 A ...

Page 224: ...5 S3 5 S7 5 S7 Brake Drags Brake pedal free travel too small Ball holes of cam plate for uneven wear Brake pedal return spring weaken or broken Brake cam rusted Adjust Replace Replace Repair 5 S3 5 S7 5 S5 5 S7 Poor Braking Force Brake pedal free travel excessive Brake disc worn Cam plate warped Brake cam or lever damaged Transmission fluid improper Adjust Replace Replace Replace Change 5 S3 5 S7 ...

Page 225: ...Bushing Clearance O D I D 0 to 0 165 mm 0 to 0 00649 in 24 916 to 25 030 mm 0 98094 to 0 98543 in 25 030 to 25 081 mm 0 98543 to 0 98744 in 1 0 mm 0 039 in Cam Plate and Bearing Holder Flatness 0 3 mm 0 012 in Cam Plate and Ball Height 22 89 to 22 99 mm 0 9012 to 0 9051 in 22 40 mm 0 8819 in Brake Disc Thickness 3 3 to 3 5 mm 0 130 to 0 138 in 3 0 mm 0 118 in Friction Plate Thickness 1 92 to 2 08 ...

Page 226: ...op of pedal stroke 3 If the measurement is not within the factory specifications loosen the lock nut and turn the turnbuckle to adjust the brake rod length 4 Retighten the lock ut securely Keep the free travel in the right and left brake pedals equal NOTE After checking brake pedal free play be sure to engage the parking brake lever fully and check to see that the brake pedals are securely locked ...

Page 227: ...en the lock nuts 2 of the right and left rods 6 5 Tighten the adjusting nut 3 of the right rod 6 by hand until the collar 4 comes into contact with the arm 5 Make half and one more turn of the nut 6 Tighten the adjusting nut 3 of the left rod 6 by hand until the collar 4 comes into contact with the arm 5 7 Tighten up the lock nuts 2 of right and left rods 8 Make sure the parking brake lever gets l...

Page 228: ...s 15 19 2 Remove the spring lock pins 12 14 and disconnect the brake rods 10 13 3 Disconnect the parking brake arm 16 from parking brake lever plate 21 4 Remove the clevis pin 17 and remove the parking brake arm 16 and arm shaft 18 5 Remove the parking brake lever 20 and parking brake lever plate 21 as a unit When reassembling Apply grease to the brake pedal shaft Be sure to adjust the brake pedal...

Page 229: ...ove the spring 1 2 Draw out the differential lock shift fork 2 and differential lock clutch 3 3 Remove the external snap ring 6 and remove the bearing 5 4 Draw out the 57T gear 4 from the rear axle 7 5 Tap out the rear axle 7 to the outside of the rear axle case W10129700 Clearance between brake pedal shaft and center frame bushing Factory spec 0 to 0 165 mm 0 to 0 00649 in Allowable limit 1 0 mm ...

Page 230: ...the external snap ring 1 and remove the brake discs and friction plate 2 Remove the cam plate and balls 3 Remove the external snap ring and pull out the brake cam lever When reassembling Install the brake discs with their holes 2 deviation at less than 1 3 of the total hole area W10133740 2 Servicing Brake Cam Lever Movement 1 Move the brake cam lever by hand to check the movement 2 If the movemen...

Page 231: ...urement is less than the allowable limit replace the cam plate and balls 3 Inspect the ball holes of cam plate for uneven wear 4 If the uneven wear is found replace it W10137160 Brake Disc and Friction Plate Wear 1 Measure the brake disc thickness and the friction plate thickness with an outside micrometer 2 If the thickness is less than the allowable limit replace it W10138450 Height of cam plate...

Page 232: ...6 FRONT AXLE KiSC issued 11 2006 A ...

Page 233: ...CONTENTS MECHANISM 1 STRUCTURE 6 M1 2 BI SPEED TURN SYSTEM 6 M2 1 STRUCTURE 6 M2 2 OPERATION 6 M3 1 Power Train 6 M3 2 Bi speed Cam Operation 6 M4 3 FRONT WHEEL ALIGNMENT 6 M5 KiSC issued 11 2006 A ...

Page 234: ...differential system allows each wheel to rotate at a different speed to make turning easier 1 Axle 2 Axle Flange 3 Bevel Gear 4 Bevel Gear 5 Bevel Gear Case 6 Bevel Gear 7 Differential Yoke Shaft LH 8 Front Axle Case 9 Differential Gear Assembly 10 Differential Pinion Gear 11 Pinion Shaft 12 Spiral Bevel Gear 13 Collar 14 Front Axle Bracket Front 15 Differential Yoke Shaft RH 16 Front Axle Bracket...

Page 235: ...0 bi speed turn clutch assembly 14 to 18 gears 11 12 19 and so on 1 Bevel Gear 2 Bi speed Turn Case 3 Shift Roller Shaft 4 Shift Cam 5 Shift Lever 6 Shift Lever Fulcrum 7 Change Fork 8 Change Lever 9 Spring 10 Bi speed Turn Shift Fork 11 Gear Shaft 12 Gear Shaft 13 Bi speed Turn Gear Case 14 Shifter 15 Coupling 16 Clutch Disc 17 Friction Plate 18 Clutch Drum 19 18T Gear 20 Spiral Bevel Pinion Shaf...

Page 236: ...Gear Shaft 3 Shifter 4 Bi speed Turn Coupling 8 Spiral Bevel Pinion Shaft 11 Front Axle B Bi speed Turn 4WD 21T Gear Shaft 3 13T 10T Gear Shaft 5 18T Gear 10 Bi speed Turn Clutch Drum 9 Friction Plate 7 Clutch Disc 6 Bi speed Turn Coupling 8 Spiral Bevel Pinion Shaft 11 Front Axle 1 Shift Fork 2 Shift Collar 3 21T Gear Shaft 4 Shifter 5 13T 10T Gear Shaft 6 Clutch Disk 7 Friction Plate 8 Bi speed ...

Page 237: ...ed to the ON position When the steering wheel is turned more than approx 0 45 rad 26 or 0 49 rad 28 turning angle the shift lever 7 and shift cam 1 are turned together This cam make the shift rod 2 move the arrow direction so that the shifter is engaged with the bi speed turn clutch When the steering wheel is turned less than approx 0 40 rad 23 or 0 45 rad 26 turning angle the shift rod doesn t mo...

Page 238: ...e The kingpin is tilted from the vertical as viewed from the front This angle is called kingpin angle a As with the camber kingpin inclination reduces rolling resistance of the wheels and prevents any shimmy motion of the steering wheel It also reduces steering effort W10131960 Caster The kingpin is tilted forward as viewed from the side That is the intersection a made by the center line of the ki...

Page 239: ...his turning in of the front wheels is called toe in The front wheels tend to roll outward due to the camber but toe in offsets this and ensures parallel rolling of the front wheel Another purpose of toe in is to prevent excessive and uneven wear of tires W10132590 Toe in B1710 B2110 B2410 0 to 10 mm 0 to 0 39 in B2710 0 to 7 mm 0 to 0 28 in F Front R Rear KiSC issued 11 2006 A ...

Page 240: ...NG 6 S5 1 CHECKING AND ADJUSTING 6 S5 2 DISASSEMBLING AND ASSEMBLING 6 S8 1 Separating Front Axle Assembly 6 S8 2 Disassembling Front Axle Assembly 6 S13 3 Disassembling Bi speed Turn Case 6 S17 3 SERVICING 6 S20 1 Differential Gears Spiral Bevel Pinion Bevel Gear Case and Bracket 6 S20 2 Bi speed Turn System 6 S24 KiSC issued 11 2006 A ...

Page 241: ...d or broken Spiral bevel pinion shaft turning force improper Adjust or replace Replenish Replace Replace Adjust 6 S21 S22 6 S8 6 S21 Bi speed Turn System Does Not Operate or Slipping Bi speed turn clutch friction torque too low Shift fork spring weaken or damaged Shift fork deformed worn or broken Change fork deformed or broken Shift cam rusted Shift roller worn Clutch disc worn Friction plate wor...

Page 242: ...ion Shaft to Differential Pinion Pinion Shaft Differential Pinion Clearance O D I D 0 038 to 0 068 mm 0 00150 to 0 00268 in 9 972 to 9 987 mm 0 39260 to 0 39312 in 10 025 to 10 040 mm 0 39469 to 0 39528 in 0 17 mm 0 0067 in Differential Pinion to Differential Side Gear Backlash 0 1 to 0 3 mm 0 004 to 0 012 in Spiral Bevel Pinion Shaft Turning Torque 0 8 to 1 0 N m 0 08 to 0 10 kgf m 0 59 to 0 73 f...

Page 243: ... Bi speed Turn Spring Short Free Length 32 5 to 32 6 mm 1 280 to 1 283 in 28 5 mm 1 220 in Maximum Setting Length Load 1613 N 25 5 mm 164 5 kgf 25 5 mm 362 7 lbs 1 00 in Load 1411 N 25 5 mm 143 9 kgf 25 5 mm 317 4 lbs 1 00 in Bi speed Turn Spring Long Free Length 52 0 mm 2 047 in 45 5 mm 1 791 in Maximum Setting Length Load 86 3 N 35 0 mm 8 8 kgf 35 0 mm 19 4 lbs 1 378 in Load 75 5 N 35 0 mm 7 7 k...

Page 244: ...eed turn case mounting screws Bi speed turn gear case mounting screws Bearing holder mounting screws Case cover mounting screw Spiral bevel pinion shaft staking nut 17 7 to 34 3 77 5 to 90 1 124 to 147 200 to 230 124 to 147 200 to 230 77 5 to 90 1 103 0 to 117 7 48 1 to 55 9 29 4 to 34 3 23 6 to 27 4 23 6 to 27 4 48 1 to 55 8 17 7 to 20 5 29 4 to 34 3 1 8 to 3 5 7 9 to 9 2 12 6 to 15 0 20 4 to 23 ...

Page 245: ...ock nuts 1 W10126180 Front Axle Rocking Force 1 Jack up the front side of tractor 2 Set a spring balance to the front axle flange 3 Measure the front axle rocking force 4 If the measurement is not within the factory specifications adjust with the adjusting screw 1 5 Tighten the lock nut 2 firmly W10127220 Toe in B A Factory spec B1710 B2110 B2410 0 to 10 mm 0 to 0 39 in B2710 0 to 7 mm 0 to 0 28 i...

Page 246: ...peed turn shift rod while being careful not to change the steering angle Set the neutral position when 4WD and bi speed changes at 0 42 rad 24 for B2110 B2410 or 0 45 rad 26 for B2710 5 Make sure that when the wheels are steered to more than 0 45 rad 26 for B2110 B2410 or 0 49 rad 28 for B2710 the bi speed turn starts to work Reference Length A of the bi speed turn shift rod B2110 B2410 84 mm 3 31...

Page 247: ...he bi speed case change lever 2 to the rear bi speed ON direction and make sure there is no play in the lever 3 If there is play in the lever adjust the bi speed turn cable inner length B Reference W10133460 Distance B Factory spec B2110 B2410 10 mm 0 39 in B2710 8 mm 0 31 in 1 Bi speed Turn Lever 2 Bi speed Case Change Lever a ON b OFF KiSC issued 11 2006 A ...

Page 248: ...eller shaft cover 1 to the rear 2 Tap out the spring pin 2 and slide the coupling 3 to the rear When reassembling Apply grease to the splines of the propeller shaft W10138370 Drag Link 1 Remove the cotter pin and loosen the slotted nut 2 Disconnect the drag link 1 with a tie rod end lifter from the knuckle arm 2 When reassembling IMPORTANT Do not loosen the slotted nut to align the hole Install th...

Page 249: ... Front and Rear mounting screws 6 Separate the front axle from the front axle frame When reassembling After mounting the front axle assembly to the front axle frame be sure to adjust the front axle rocking force See page 6 S5 W10140910 Tightening torque Front wheel mounting nut 77 5 to 90 1 N m 7 9 to 9 2 kgf m 57 1 to 66 5 ft lbs Front hitch stay mounting nut 124 to 147 N m 12 6 to 15 0 kgf m 91 ...

Page 250: ...L AND COOLANT See page G 8 W10144420 Bi speed Turn Cable 1 Remove the spring lock pin 1 and loosen the lock nuts 2 and then remove the bi speed turn cable 3 When reassembling When reassembling the bi speed turn cable 3 make sure the distance A Reference W10382830 Front axle case oil capacity B2110 B2410 4 5 L 4 8 U S qts 4 0 Imp qts B2710 5 3 L 5 6 U S qts 4 7 Imp qts 1 Filling Plug with Dipstick ...

Page 251: ...lines of the propeller shaft 0 Drag Link 1 Steer the front wheels to the left 2 Remove the slotted nut and disconnect the drag link from the knuckle arm IMPORTANT After tightening the slotted nut to the specified torque install the cotter pin as shown in the figure left W10152700 1 Propeller Shaft Cover 2 Spring Pin 3 Coupling 4 Clamp Tightening torque Slotted nut 17 7 to 34 3 N m 1 8 to 3 5 kgf m...

Page 252: ...ounting the front axle assembly to the front axle frame be sure to adjust the front axle rocking force See page 6 S5 W10154650 Tightening torque Front wheel mounting nut 77 5 to 90 1 N m 7 9 to 9 2 kgf m 57 1 to 66 5 ft lbs Front axle bracket mounting screw B2110 B2410 124 to 147 N m 12 6 to 15 0 kgf m 91 1 to 108 5 ft lbs B2710 200 to 230 N m 20 4 to 23 5 kgf m 148 to 169 ft lbs Front hitch stay ...

Page 253: ...ront axle case 3 When reassembling Apply grease to the thrust collar of front axle bracket Apply grease to the O ring 8 and take care not to damage it Do not interchange right and left bevel gear case assemblies After tightening the slotted nut to the specified torque install the cotter pin as shown in the figure W10157690 Tightening torque Bevel gear case mounting screw 77 5 to 90 1 N m 7 9 to 9 ...

Page 254: ...t face of the axle flange 2 and front gear case 1 after eliminate the water oil and stuck liquid gasket Tighten the axle flange mounting screws and nuts diagonally in several steps Install the oil seal 4 of bevel gear case noting its direction as shown in the figure W10164150 Tightening torque Knuckle arm mounting screw 103 0 to 117 7 N m 10 5 to 12 0 kgf m 76 0 to 86 8 ft lbs Axle flange mounting...

Page 255: ...ove the bearing 1 2 Take out the bevel gear 2 3 Take out the collar 3 4 Tap out the axle 7 When reassembling Install the oil seal 8 of axle flange 6 noting its direction as shown in the figure Install the shims 5 to their original position B2710 Reference Thickness of adjusting shims 0 2 mm 0 008 in 0 3 mm 0 012 in W10173030 1 Internal Snap Ring 2 Shim 3 Ball Bearing 4 Bevel Gear 5 Bevel Gear 6 Ba...

Page 256: ...o the taper roller bearings 9 and install them correctly noting their direction Replace the lock nut 10 and oil seal 1 with new ones After tighten the lock nut 10 to the specified torque stake it firmly Install the adjusting collars 6 to their original position Reference Thickness of adjusting collars 3 4 mm 0 134 in 4 1 mm 0 161 in 3 6 mm 0 142 in 4 2 mm 0 165 in 3 8 mm 0 150 in 4 4 mm 0 173 in 4...

Page 257: ...Turn Case 1 Remove the bi speed turn case mounting screws and separate the bi speed turn case 1 from the bi speed turn gear case 2 When reassembling Apply liquid gasket Three Bond 1208D or equivalent to joint face of the bi speed turn case 1 and bi speed turn gear case Install the bi speed turn case to the bi speed turn gear case noting the position of shifter collar Place the shifter collar betwe...

Page 258: ...and bi speed turn case W10188220 Shift Fork Shift Rod and Change Lever 1 Push the shift fork to the front till the spring pin 2 can be seen and tap out the spring pin 1 2 Remove the cap 12 and tap out the shift rod 7 to the front 3 Tap out the spring pin 6 4 Tap out the shift rod collar 8 by the rod to the front 5 Take out the shift fork 4 springs 3 5 and pressure collar 2 together 6 Tap out the s...

Page 259: ...snap ring 3 and thrust collar 4 2 Tap out the gear shaft 7 3 Remove the internal snap ring 6 and remove the ball bearing 5 from the bi speed turn gear case 2 4 Remove the ball bearing 8 from the bi speed turn gear case 2 When reassembling Apply grease to the oil seal W10194640 Tightening torque Bi speed turn gear case mounting screw 23 6 to 27 4 N m 2 4 to 2 8 kgf m 17 4 to 20 2 ft lbs 1 Bi speed ...

Page 260: ...G 1 Differential Gears Spiral Bevel Pinion Bevel Gear Case and Bracket Clearance between Differential Case Differential Case Cover and Differential Side Gear 1 Measure the differential side gear boss O D 2 Measure the differential case bore I D and calculate the clearance 3 Measure the differential case cover bore I D and calculate the clearance 4 If the clearance exceeds the allowable limit repla...

Page 261: ...m 0 047 in W10205210 Turning Torque of Spiral Bevel Pinion Shaft 1 Cramp the spiral bevel pinion shaft assembly to the vise and tighten the staking nut 2 measure the turning torque of bevel pinion shaft 3 If the turning torque is not within the factory specifications adjust with the lock nut NOTE After turning force adjustment be sure to stake the lock nut W10206520 Clearance between differential ...

Page 262: ...m 0 134 in 4 1 mm 0 161 in 3 6 mm 0 142 in 4 2 mm 0 165 in 3 8 mm 0 150 in 4 4 mm 0 173 in 4 0 mm 0 157 in 4 6 mm 0 181 in W10207820 Backlash between 11T Bevel Gear and 16T Bevel Gear 1 Stick a strip of fuse to three spots on the 16T bevel gear 1 with grease 2 Fix the front axle case bevel gear case and front gear case 3 Turn the axle 4 Remove the bevel gear case from front axle case and measure t...

Page 263: ... NOTE After replacing the bushing be sure to adjust the front axle rocking force See page 6 S5 W10215790 Clearance between front axle case boss front and bracket bushing front Factory spec 0 125 to 0 280 mm 0 00492 to 0 01102 in Allowable limit 0 45 mm 0 0177 in Front axle case boss front O D Factory spec 49 950 to 49 975 mm 1 96653 to 1 96751 in Bracket bushing front I D Factory spec 50 100 to 50...

Page 264: ...red on the gear shaft 7 its factory specifications as follows NOTE Check the springs clutch discs and friction plates if the correct torque can t be adjusted W10220770 Clearance between Shift Fork and Shifter Groove 1 Place the shift fork in the shifter groove and measure the clearance with a feeler gauge 2 If the clearance exceeds the allowable limit replace NOTE When measuring the clearance be s...

Page 265: ...everal seconds and apply transmission oil to friction plate reassembling them in order W10232330 Free length A of bi speed turn spring short Factory spec 32 5 to 32 6 mm 1 280 to 1 283 in Allowable limit 28 5 mm 1 220 in Free length A of bi speed turn spring long Factory spec 52 0 mm 2 047 in Allowable limit 45 5 mm 1 791 in Working load of bi speed turn spring short Factory spec Load 1613 N 25 5 ...

Page 266: ... turn 6 Remove the fuse and measure the thickness of the fuse 7 If the measurement is not within the factory specifications change the adjusting collar 3 4 and 5 8 Adjust the backlash properly by repeating the above procedures 9 After adjusting the backlash stake the staking nut 7 W10233900 Thickness of collar Collar 3 Collar 5 Combination 1 4 4 mm 0 173 in 2 9 mm 0 112 in Combination 2 4 2 mm 0 1...

Page 267: ...7 STEERING KiSC issued 11 2006 A ...

Page 268: ...CONTENTS MECHANISM 1 HYDRAULIC PUMP 7 M1 2 HYDRAULIC CIRCUIT FOR POWER STEERING SYSTEM 7 M2 3 POWER STEERING BODY 7 M3 4 OIL FLOW 7 M4 KiSC issued 11 2006 A ...

Page 269: ...iven gear 3 that are in mesh Hydraulic pump is driven by the fuel camshaft Maximum displacement is as follows W10126560 Displacement Engine speed Condition B1710 B2110 B2410 9 8 L min 2 6 U S gal min 2 2 Imp gal min At 2600 rpm at no load B2710 11 7 L min 3 1 U S gal min 2 6 Imp gal min 1 Casing 2 Drive Gear 3 Driven Gear 4 Side Plate 5 Cover KiSC issued 11 2006 A ...

Page 270: ... 3 The control valve 4 consists of a sleeve 11 and a spool 10 The sleeve is coupled by a pin to the worm shaft 3 and the spool is provided on the stub shaft 10 When a turning torque in either direction is given to the stub shaft 10 the counterforce of the tires is produced from the sector gear shaft 1 through the drag link pitman arm and other parts The torsion bar 9 then gets under torsional forc...

Page 271: ... Sector Gear Shaft 2 Rack Piston 3 Worm Shaft 4 Gear Case 5 O ring 6 Seal Ring 7 Plug 8 Pin 9 Relief Valve 10 Valve Housing 11 Torsion Bar 12 Oil Seal 13 Bearing 14 Stub Shaft 15 Sleeve 16 Staking Ring 17 Ball Bearing 18 Adjusting Screw for Play KiSC issued 11 2006 A ...

Page 272: ...laced in the neutral position Therefore pressure fed oil from pump flows to return line through the clearance between spool and sleeve As a result pressure in the cylinder does not rise so the front wheels keep the direction 1 Sector Gear Shaft 2 Rack Piston 3 Worm Shaft 4 Torsion Bar 5 Sleeve 6 Valve Housing 7 Stub Shaft A From Pump B Return to Suction Line P Pump Port T Return Port L Cylinder L ...

Page 273: ...assage from pump port P to cylinder port R and return port T are closed At the same time the oil passage from pump port P to cylinder port L is opened Therefore the pressure fed oil from pump flows to the chamber l through cylinder port L Thus the rack piston 2 is pushed and the sector gear shaft 1 is rotated in the direction of the arrow 3 On the other hand oil in the chamber r flows to return li...

Page 274: ... possible However naturally steering wheel requires a larger operating power If the steering wheel is turned when hydraulic circuit ceases to operate the worm shaft 3 which is connected with stub shaft 7 moves slightly by steering force then the worm shaft 3 and rack piston 2 have same relationship with the manual steering gear 1 Sector Gear Shaft 2 Rack Piston 3 Worm Shaft 4 Torsion Bar 5 Sleeve ...

Page 275: ...lve setting pressure in such a case that the maximum steering angle of the front wheels is reached or road resistance to the front tires is too great the spring 3 is compressed to generate a gap between the poppet 4 and the valve housing 5 The pressure fed oil flows to tank port through the gap so that pressure rise is restricted The relief valve setting pressure can be adjusted by turning the adj...

Page 276: ...TENING TORQUES 7 S4 4 CHECKING DISASSEMBLING AND SERVICING 7 S5 1 HYDRAULIC PUMP 7 S5 1 Checking and Adjusting 7 S5 2 Disassembling and Assembling 7 S6 3 Servicing 7 S7 2 POWER STEERING 7 S8 1 Checking 7 S8 2 Disassembling and Assembling 7 S9 3 Servicing 7 S12 KiSC issued 11 2006 A ...

Page 277: ...eals in the steering gear box damaged Backlash between sector gear shaft and rack piston too small Air in the hydraulic pipes Change Retighten Replace Adjust Replace Replace Replace Adjust Air vent G 8 7 S6 7 S8 S12 7 S12 7 S12 7 S13 Low Operating Pressure Hydraulic pump malfunctioning Improper relief valve adjustment Relief valve malfunctioning Seals in the steering gear box damaged Rack Piston m...

Page 278: ...n 2 6 U S gal min 2 2 Imp gal min 11 7 L min 3 1 U S gal min 2 6 Imp gal min 8 3 L min 2 2 U S gal min 1 8 Imp gal min 10 0 L min 2 6 U S gal min 2 2 Imp gal min Gear to Casing Clearance 0 15 mm 0 0059 in Gear Shaft to Bushing Gear Shaft Bushing Clearance O D I D 0 020 to 0 091 mm 0 00078 to 0 00358 in 14 970 to 14 980 mm 0 58937 to 0 58976 in 15 000 to 15 061 mm 0 59055 to 0 59295 in 0 12 mm 0 00...

Page 279: ... Box to Rack Piston Gear Box Bore Rack Piston Clearance I D O D 0 030 to 0 079 mm 0 00118 to 0 00310 in 61 000 to 61 030 mm 2 40157 to 2 40275 in 60 951 to 60 970 mm 2 39964 to 2 40039 in 0 14 mm 0 0055 in Rack Piston Assembly Axial Play 0 to 0 02 mm 0 to 0 0008 in 0 04 mm 0 0016 in Valve Housing to Sleeve Sleeve Valve Housing Clearance O D I D 0 17 to 0 28 mm 0 0067 to 0 0110 in 35 77 to 35 83 mm...

Page 280: ...umn mounting screw Pitman arm mounting nut Side cover mounting screw Valve housing mounting hex head screw Plug for worm shaft Relief pressure adjusting screw lock nut 65 0 to 75 0 34 3 to 39 2 29 4 to 49 0 17 7 to 34 5 77 5 to 90 1 17 7 to 20 6 117 7 to 147 1 19 6 to 29 4 39 2 to 49 0 8 8 to 10 8 49 1 to 78 5 6 6 to 7 7 3 5 to 4 0 3 0 to 5 0 1 8 to 3 5 7 9 to 9 2 1 8 to 2 1 12 0 to 15 0 2 0 to 3 ...

Page 281: ...66 4 to the hydraulic pump 1 4 Install the adaptor 69 3 to the IN port of power steering body 5 Connect the hydraulic test hose 5 Code No 07916 52651 to the adaptor 66 and flowmeter Code No 07916 52791 inlet port 6 Connect the another hydraulic test hose 2 to flowmeter outlet port and IN port of power steering body 7 Open the flowmeter loading valve completely Turn counterclockwise 8 Start the eng...

Page 282: ...lerator rod 2 3 Disconnect the power steering delivery pipe 1 and 3 point hitch delivery pipe 5 4 Disconnect the suction hose 3 and remove the hydraulic pump 4 When reassembling Apply liquid gasket Three Bond 1208D or equivalent to engine stop solenoid NOTE For fastening hydraulic pipe nut use two wrenches Hold the fitting with a wrench turn the pipe nut another wrench to avoid damage at fitting i...

Page 283: ... an outside micrometer 2 Measure the bushing I D with a cylinder gauge 3 If the clearance exceeds the allowable limit replace it W10133600 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 W10134960 Tightening torque Cover mounting screw 34 3 to 39 2 N m 3 5 to 4 0 kgf m 25 3 to 28 9 ft lbs 1 Casing 2 D...

Page 284: ...ce of hydraulic pump And then check the power steering assembly Condition Engine speed Approx 2600 rpm Oil temperature 45 to 55 C 113 to 131 F Tractor by itself without any implement and weight W10137530 Relief Valve Setting Pressure 1 Open the bonnet and disconnect the battery grounding cord 2 Remove the meter panel and panel under cover 3 Remove the plug of power steering body and then set the r...

Page 285: ...51090 When reassembling W10158450 Meter Panel and Panel Under Cover 1 Open the meter panel 1 and disconnect the meter panel connector 2 and hour meter cable 3 Then remove the meter panel 2 Disconnect the combination switch connector 8 main switch connector 4 hazard switch connector 6 and position light switch connector 7 3 Tap out the spring pin and remove the hand accelerator lever 5 4 Remove the...

Page 286: ...ng except B2710 and remove the left hand side step 3 Remove the power steering delivery pipe 6 and return pipe 4 4 Disconnect the speed set rod 2 HST Model 5 Remove the power steering assembly 3 from the center frame When reassembling NOTE For fastening hydraulic pipe nut use two wrenches Hold the fitting with a wrench turn the pipe nut with another wrench to avoid damage at fitting installed part...

Page 287: ...an arm puller Code No 07909 39011 When reassembling IMPORTANT Install the pitman arm to the sector gear shaft so that their marks align W10153790 Side Cover and Sector Gear Shaft 1 Loosen the lock nut 2 Remove the side cover mounting screws 3 Screw in the adjusting screw 1 to remove the side cover 4 Tap out the sector gear shaft 2 toward the side cover When reassembling Turn the worm shaft so that...

Page 288: ...e sure to adjust the setting pressure then stake the adjusting screw with a punch W10160270 3 Servicing Clearance between Steering Gear Box and Rack Piston 1 Measure the steering gear box cylinder I D with a cylinder gauge 2 Measure the rack piston O D with an outside micrometer and calculate this clearance 3 If the clearance exceeds the allowable limit replace the steering gear box or rack piston...

Page 289: ... axially and measure the play 4 If the play exceeds the allowable limit replace the rack piston assembly W10165340 Backlash between Sector Gear Shaft and Rack Piston 1 Attach the pitman arm having no play 2 Set a dial indicator with its finger on the pitman arm 3 Move the pitman arm lightly and measure the deflection 4 If the measurement is not within the factory specification adjust the backlash ...

Page 290: ...8 HYDRAULIC SYSTEM KiSC issued 11 2006 A ...

Page 291: ...ATIC TRANSMISSION 8 M2 2 HYDRAULIC PUMP 8 M3 3 RELIEF VALVE 8 M4 4 POSITION CONTROL VALVE 8 M5 5 FEEDBACK LINKAGE FOR POSITION CONTROL 8 M7 6 HYDRAULIC CYLINDER 8 M8 7 REMOTE CONTROL VALVE 8 M9 8 HYDRAULIC BLOCK TYPE OUTLET 8 M10 9 REAR HYDRAULIC OUTLET 8 M11 KiSC issued 11 2006 A ...

Page 292: ...trol Valve 2 Remote Control Valve 3 Power Steering Controller 4 Rear Hydraulic Outlet 5 Oil Filter 6 Hydraulic Block Type Outlet 7 Hydraulic Pump for Power Steering 8 Hydraulic Pump for 3 Point Hitch 9 Hydraulic Cylinder 10 Lowering Speed Adjusting Valve 11 Relief Valve A To Mower Lift Cylinder KiSC issued 11 2006 A ...

Page 293: ...c pump connected to the engine When an engine is started a hydraulic pump starts running sucks oil from a transmission case The hydraulic pump forces out the oil to hydraulic block type outlet control valve hydraulic cylinder and so on 1 Position Control Valve 2 Oil Filter for HST 3 Hydrostatic Transmission HST 4 Power Steering Controller 5 Oil Cooler 6 Rear Hydraulic Outlet 7 Remote Control Valve...

Page 294: ...d driven gear 3 that are in mesh Hydraulic pump is driven by the fuel camshaft Maximum displacement is as follows W10131850 Displacement Engine speed Condition B1710 B2110 B2410 16 6 L min 4 4 U S gal min 3 7 Imp gal min At 2600 rpm at no load B2710 24 4 L min 6 4 U S gal min 5 4 Imp gal min 1 Casing 2 Drive Gear 3 Driven Gear 4 Side Plate KiSC issued 11 2006 A ...

Page 295: ...ping effect of the chamber When the oil pressure in the circuit is lower than the setting pressure of the relief valve the relief valve is not operated and the oil fed to the relief valve from the hydraulic pump flows into the implement control valve As the oil pressure in the circuit increases so does the pressure in the damping chamber D C When the pressure rises above the valve setting and over...

Page 296: ...e oil pushes open the poppet 1 2 and flows into the hydraulic cylinder through the C port to lift the implement W10137360 Down When the control lever is moved to DOWN position the spool 5 is move to the left and the poppet 2 2 is also move to the left by the lever 1 Oil in the hydraulic cylinder is forced out to the transmission case through the T2 port by the weight of the implement causing the i...

Page 297: ...8 to the left Then the passages 4 4 and 5 5 connect to each other and the oil between them return to the transmission case through the clearance between the valve body and the spool 6 and through the T3 port In this way the plunger 8 returns to the rightmost position Fig B and C Some of the oil coming from the pump is drained into the T3 port which controls the flow rate of the oil going into the ...

Page 298: ...cting link 7 and the lever 8 And after the lift arm 1 moves upward the spool is pulled out and return to form a neutral circuit by the motions of feedback rod 2 feedback arm 4 feedback arm shaft 5 connecting link 7 and the lever 8 As a result the implement height can be easily determined in proportion to the set position of the position control lever 1 Lift Arm RH 2 Feedback Rod 3 Control Lever Ar...

Page 299: ...t At this time the lowering speed of the implement can be controlled by the lowering speed adjusting valve 2 attached to the hydraulic cylinder 3 Turning the lowering speed adjusting knob clockwise decreases the lowering speed and counterclockwise increases lowering speed When the lowering speed adjusting valve 2 is completely closed the lift arm 5 is held at its position since oil in the hydrauli...

Page 300: ...ydraulic cylinder to lift the implement W10148930 Down When the remote control valve operating lever is set to DOWN position the spool 3 moves to the left and the passage from P port to the BY port is blocked by the spool 3 At the same time the piston 2 and poppet 1 moves upward and open the passage from A port to T port Then the pressure fed oil flow through the B port to the hydraulic cylinder t...

Page 301: ...r to operate the hydraulic cylinders on the implement such as front end loader front blade and so on W10151840 1 When implement is not attached 2 When implement is attached 1 Block Cover 2 Block Outlet Cover Option 3 Hydraulic Block 4 From Hydraulic Pump 5 To Position Control Valve A To implement Inlet Max flow 22 4 L min 6 4 U S gal min 5 4 Imp gal min No relief valve in the hydraulic block B Fro...

Page 302: ...onnected to the port C W10154280 1 Auxiliary Control Valve 2 Rear Hydraulic Outlet 3 Hydraulic Cylinder Body A To Implement B From Implement Drain C From Hydraulic Pump D To Transmission Case E To Position Control Valve 1 When implement is not attached 2 When implement is attached 1 Block Cover 2 Plug 3 Block Outlet Cover Option 4 From Hydraulic Pump 5 To Position Control Valve 6 To Transmission C...

Page 303: ...D SERVICING 8 S5 1 HYDRAULIC PUMP 8 S5 1 Checking and Adjusting 8 S5 2 Disassembling and Assembling 8 S7 3 Servicing 8 S8 2 HYDRAULIC CYLINDER ASSEMBLY HYDRAULIC CYLINDER POSITION CONTROL VALVE RELIEF VALVE AND OTHERS 8 S9 1 Checking and Adjusting 8 S9 2 Disassembling and Assembling 8 S10 3 Servicing 8 S17 KiSC issued 11 2006 A ...

Page 304: ...smission oil Relief valve setting pressure too low Hydraulic pump broken Replace Adjust Repair Replace Repair Replace Clean or replace Repair or replace Repair or replace Replace Refill Adjust or replace Replace 8 S13 8 S15 8 S15 8 S15 8 S15 8 S14 G 8 8 S9 S15 8 S7 Implement Does Not Reach Maximum Height Feedback rod improperly adjusted Adjust 8 S10 Implement Does Not Lower Control valve malfuncti...

Page 305: ... 23 0 L min 6 1 U S gal min 5 1 Imp gal min Gear to Casing Clearance 0 15 mm 0 0059 in Gear Shaft to Bushing Gear Shaft Bushing Clearance O D I D 0 020 to 0 091 mm 0 0008 to 0 0036 in 14 970 to 14 980 mm 0 5894 to 0 5898 in 15 000 to 15 061 mm 0 5906 to 0 5930 in 0 12 mm 0 0047 in Side Plate Thickness 2 48 to 2 50 mm 0 0976 to 0 0984 in 2 40 mm 0 0945 in Relief Valve Setting Pressure B1710 B2110 B...

Page 306: ...draulic Arm Shaft Right Hydraulic Arm Shaft Left Bushing Right Bushing Left Clearance O D O D I D I D 0 20 to 0 110 mm 0 0008 to 0 0043 in 37 925 to 37 950 mm 1 4931 to 1 4941 in 33 925 to 33 950 mm 1 3356 to 1 3366 in 37 970 to 38 035 mm 1 4949 to 1 4974 in 33 970 to 34 035 mm 1 3374 to 1 3400 in 0 30 mm 0 0118 in KiSC issued 11 2006 A ...

Page 307: ...lve plug Plug 1 Plug 2 Plug 3 Plug 4 Plug 1 Remote control valve Plug 2 Remote control valve Bracket mounting screw 65 to 75 34 3 to 39 2 47 1 to 56 9 77 5 to 90 1 14 7 to 19 6 43 0 to 47 0 123 to 147 108 to 125 108 to 125 34 to 39 34 to 39 39 2 to 44 1 39 2 to 44 1 23 6 to 27 4 49 0 to 68 6 29 4 to 49 0 29 4 to 49 0 39 2 to 58 8 7 85 to 11 77 29 4 to 49 0 39 2 to 58 8 4 9 to 7 8 6 6 to 7 7 3 5 to...

Page 308: ...tall the adaptor 61 9 to the hydraulic pump for 3 point hitch 8 Reassemble the power steering delivery pipe 9 Reinstall the engine stop solenoid and accelerator rod 10 Connect the hydraulic test hose 8 Code No 07916 52651 to the adaptor 61 and flowmeter Code No 07916 52791 inlet port 11 Connect the another hydraulic test hose 7 to flowmeter outlet port and transmission oil filling port 12 Open the...

Page 309: ...6 Open the loading valve and stop the engine Condition Engine speed Approx 2600 rpm Rated pressure B1710 B2110 B2410 13 7 MPa 140 kgf cm2 1991 psi B2710 15 2 MPa 155 kgf cm2 2204 psi Oil temperature 50 C 122 F Reference W10119890 Hydraulic pump delivery at no pressure Factory spec B1710 B2110 B2410 Above 16 6 L min 4 4 U S gal min 3 7 Imp gal min B2710 Above 24 4 L min 6 4 U S gal min 5 4 Imp gal ...

Page 310: ...re the hydraulic pump with a vise and remove the cover 2 Remove the side plate 4 3 Remove the drive gear 2 and driven gear 3 from the casing 1 When reassembling Take care not to damage the O ring Align the holes of the cover and casing Install the side plate noting its location and direction Install the gears noting its direction W10127500 Oil Seal 1 Remove the internal snap ring 2 and remove the ...

Page 311: ...able limit replace it W10132840 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 W10134390 Clearance between tip of gear tooth and casing Allowable limit 0 15 mm 0 0059 in Clearance between bushing and shaft Factory spec 0 020 to 0 091 mm 0 0008 to 0 0036 in Allowable limit 0 12 mm 0 0047 in Shaft O D ...

Page 312: ...t maximum speed 6 Move the hydraulic control lever all way up to operate the relief valve and read the gauge 7 If the pressure is not within the factory specifications adjust relief valve with the adjusting shims 2 8 After checking the pressure reinstall the spring and feedback rod lock nut Condition Engine speed Maximum Oil temperature 45 to 55 C 113 to 131 F Reference Thickness of shims 2 0 1 mm...

Page 313: ...0 2 Disassembling and Assembling A Separating Hydraulic Cylinder Assembly Seat and Seat Under Covers 1 Remove the seat 4 with seat stay 1 as a unit 2 Remove the lowering speed adjusting knob 6 and front wheel drive lever grip 3 except B2710 and then remove the seat under cover front 5 3 Remove the seat under cover rear 2 4 Remove the fender covers 7 B2710 only W10229790 Lift arm free play Factory ...

Page 314: ...l and support the rear axles by stands IMPORTANT When re fitting or adjusting a wheel tighten the bolts to the following torques and then recheck them after driving the tractor approximately 200 m 200 yards When reassembling W10232820 Tightening torque Connecting plate mounting bolt and nut 47 1 to 56 9 N m 4 8 to 5 8 kgf m 34 7 to 42 0 ft lbs ROPS frame mounting screw 77 5 to 90 1 N m 7 9 to 9 2 ...

Page 315: ...ed Turn Lever 1 Disconnect the bi speed turn lever 3 from the seat stay rear 1 If equipped 2 Remove the seat stays 1 2 W10144190 Remote Control Valve 1 Disconnect the hydraulic pipe 2 2 Remove the remote control valve 1 When reassembling Take care not to damage the O ring W10146000 Tightening torque Rear wheel mounting screw and nut 108 to 125 N m 11 0 to 12 8 kgf m 79 6 to 92 6 ft lbs 1 Fender RH...

Page 316: ...osition Control Valve 1 Remove the position control valve mounting screws and remove the position control valve 1 When reassembling Take care not to damage the O rings W10151920 Tightening torque Delivery pipe joint bolt 34 to 39 N m 3 47 to 3 98 kgf m 25 1 to 28 8 ft lbs 1 Feedback Rod 2 Delivery Pipe 3 Position Control Valve 4 Differential Lock Rod 5 Rear Hydraulic Outlet Tightening torque Hydra...

Page 317: ...he hydraulic cylinder and take out the hydraulic piston 1 When reassembling Take care not to damage the O ring 3 and backup ring 2 Apply transmission fluid to the O ring Replace the O ring if it is defective worn or scratched which may cause oil leakage W10155700 Lowering Speed Adjusting Valve 1 Remove the lowering speed adjusting valve body 2 with the lowering speed adjusting shaft 1 2 Draw out t...

Page 318: ...fore disassembling and make sure to reset it when reassembling Reference When the poppet 2 is completely closed the distance B between valve body and nut becomes approximately 32 3 to 32 5 mm 1 27 to 1 28 in W10161170 Plunger 1 Remove the plug 4 1 and draw out the plunger 2 and spring 3 from the spool 4 When reassembling Take care not to damage the O ring W10162790 Tightening torque Relief valve p...

Page 319: ...ston Mechanical Check Valve 1 Remove the plug 1 4 and draw out the spring 7 ball guide 3 balls 1 6 poppet 2 and piston 5 When reassembling Take care not to damage the O ring W10168010 Tightening torque Plug 1 29 4 to 49 0 N m 3 0 to 5 0 kgf m 21 7 to 36 2 ft lbs 1 Spring 2 Poppet 1 3 Plug 1 Tightening torque Plug 3 39 2 to 58 8 N m 4 0 to 6 0 kgf m 28 9 to 43 4 ft lbs Plug 2 29 4 to 49 0 N m 3 0 t...

Page 320: ... the clearance 3 If the clearance exceeds the allowable limit replace the bushing W10173080 Tightening torque Bracket mounting screw 4 9 to 7 8 N m 0 5 to 0 8 kgf m 3 6 to 5 8 ft lbs Plug 2 39 2 to 58 8 N m 4 0 to 6 0 kgf m 28 9 to 43 4 ft lbs 1 Collar 2 Backup Ring 3 O ring 4 O ring 5 Backup Ring 6 Screw 7 Bracket 8 Spool 9 Plug 2 Cylinder I D Factory spec 70 05 to 70 10 mm 2 7579 to 2 7598 in Al...

Page 321: ...9 ELECTRICAL SYSTEM KiSC issued 11 2006 A ...

Page 322: ...ID 9 M6 3 CHARGING SYSTEM 9 M7 1 ALTERNATOR 9 M7 2 IC REGULATOR 9 M8 4 LIGHTING SYSTEM 9 M9 1 HEAD LIGHT 9 M10 2 TURN SIGNAL LIGHT 9 M10 3 HAZARD LIGHT 9 M11 4 POSITION PARKING LIGHT 9 M12 5 BRAKE LIGHT 9 M13 6 EASY CHECKER 9 M13 7 TRAILER SOCKET 9 M14 5 GAUGES 9 M15 1 FUEL QUANTITY 9 M16 2 COOLANT TEMPERATURE 9 M16 KiSC issued 11 2006 A ...

Page 323: ...9 M1 B1710 B2110 B2410 B2710 WSM ELECTRICAL SYSTEM 1 WIRING DIAGRAM KiSC issued 11 2006 A ...

Page 324: ...9 M2 B1710 B2110 B2410 B2710 WSM ELECTRICAL SYSTEM KiSC issued 11 2006 A ...

Page 325: ...ty switches on the terminal 30 is connected to the terminal 50 and AC Consequently battery current flows to the starter motor and start the engine The main switch automatically returns to the ON position the terminal 30 is connected only to the terminal AC thereby causing the starting circuit to be opened stopping the starter motor When the main switch turned from the ON position to the OFF positi...

Page 326: ...ion system is used planetary gears and the speed of gear shaft 6 is reduced to approximately one fifth of the armature shaft 8 1 Housing 2 Magnetic Switch 3 Overrunning Clutch 4 Drive Lever 5 Internal Gear 6 Gear Shaft 7 Planetary Gear 8 Armature Shaft 9 Yoke 10 Brush Holder 11 Rear End Frame KiSC issued 11 2006 A ...

Page 327: ... resistor the flowing current is reduces to prevent the heater 4 from being heated The ignition point is in the area of 2 to 3 mm 0 079 to 0 118 in from the tip of the plug in order to reduce its projection into the combustion chamber W10132560 3 SAFETY SWITCH Clutch Pedal PTO Gear Shift Lever and HST Pedal The safety switch prevents current from flowing to the starter when the safety switches are...

Page 328: ...d the plunger 2 move to left side so that the movement of control rack 4 becomes free When the battery current stops the plunger 2 is returned to the original position by the spring to keep the control rack 4 in No fuel injection position W10133930 1 Engine Stop Solenoid 2 Plunger 3 Injection Pump 4 Control Rack KiSC issued 11 2006 A ...

Page 329: ...haracteristics Approximately 26 lighter and 17 smaller than a standard alternator Cooling performance and safety have been improved by combining the cooling fan with the rotor and incorporating the fan rotor unit inside the alternator IC regulator is fitted inside the alternator The rectifier IC regulator and similar components are easy to remove making it easier to service the alternator W1013607...

Page 330: ... that the control voltage is reduced as the temperature rises so the battery is charged at just the right level The internal circuitry of the IC regulator is shown in the diagram It consists of a hybrid IC incorporating a monolithic IC The internal circuitry of the monolithic IC is extremely complex so it is shown as simply M IC circuit Tr1 acts as the contacts controlling the field current and Tr...

Page 331: ...SM ELECTRICAL SYSTEM 4 LIGHTING SYSTEM The lighting system consists of main switch combination switch hazard light switch position light switch brake light switch head lights combination lights brake lights etc KiSC issued 11 2006 A ...

Page 332: ...hree positions OFF LOW BEAM and HIGH BEAM Current passes through the light circuit as shown in the figure above 2 TURN SIGNAL LIGHT The turn signal light switch which forms a combination switch with the head light switch and horn switch has three position OFF L and R When using turn signal light switch blinks only one side light and other one stays off KiSC issued 11 2006 A ...

Page 333: ...ght Switch Turn Signal Light Switch Horn Switch W10140690 3 HAZARD LIGHT The hazard switch has two position ON and OFF When the hazard switch is turned to ON the hazard lights and indicator lamps are blinked as shown in the figure above B1 T 1 2 OFF Low High B2 R L R OFF L B1 H OFF ON 1 Head Light Switch 2 Turn Signal Light Switch 3 Horn Switch KiSC issued 11 2006 A ...

Page 334: ...urrent passes through the light circuit as shown in the figure above Position Parking Switch This is a pushing type switch to turn on the position lamps The lamp 2 in the switch is lighted up when the switch is ON The circuit in the switch is shown below W10155640 Terminal a b c Lamp d e OFF ON 1 Lens 2 Lamp 3 Contact Portion 4 Terminal a 5 Terminal b 6 Terminal d 7 Terminal c 8 Terminal e Termina...

Page 335: ...s 1 Charge Lamp When the charging system is not functioning properly this lamp illuminates 2 Pre heat Indicator Lamp When the key switch is in the Pre heat position the pre heat indicator lamp illuminates 3 Oil Pressure Lamp When the engine oil pressure is low this lamp illuminates W10159350 Oil Pressure Switch While oil pressure is high and the force applied to the diaphragm 2 is larger than the ...

Page 336: ...er or implement The function of each terminal is shown below W10161720 Terminal Function Color of wire harness 1 Turn signal LH Green White 2 3 Ground Black 4 Turn signal RH Red White 5 Tail RH Yellow Red 6 Brake Yellow 7 Tail LH Yellow White 1 Terminal 1 2 Terminal 2 3 Terminal 3 4 Terminal 4 5 Terminal 5 6 Terminal 6 7 Terminal 7 KiSC issued 11 2006 A ...

Page 337: ...quantity and coolant temperature are indicated by the ammeters The ammeters indicate each amperage flowing through the fuel level sensor for the fuel quantity detection and through the coolant temperature sensor for the coolant temperature detection KiSC issued 11 2006 A ...

Page 338: ...olant Temperature Sensor The coolant temperature sensor is installed to the cylinder head of engine and its tip is in touch with the coolant It contains a thermistor 4 whose electrical resistance decreases as the temperature increases Current varies with changes in the coolant temperature and the increases or decreases in the current move the pointer of gauge W10167200 F 1 2 E 1 to 5 Ω 27 5 to 37 ...

Page 339: ...SERVICING 9 S6 1 BATTERY 9 S6 1 Checking 9 S6 2 STARTING SYSTEM 9 S8 1 Checking 9 S8 2 Disassembling and Assembling 9 S14 3 Servicing 9 S15 3 CHARGING SYSTEM 9 S17 1 Checking 9 S17 2 Disassembling and Assembling 9 S18 3 Servicing 9 S20 4 LIGHTING SYSTEM 9 S22 1 Checking 9 S22 5 GAUGES 9 S29 1 Checking 9 S29 KiSC issued 11 2006 A ...

Page 340: ...ective Wiring harness disconnected or improperly connected between main switch 50 terminal and safety switches between safety switches and starter motor between battery positive terminal and starter motor Starter motor defective Main switch defective Starter relay defective Recharge or Replace Replace Repair or Replace Repair or Replace Repair or Replace Replace Replace G 19 9 S12 9 S14 9 S8 9 S10...

Page 341: ... Does Not Light Fuse blown 20 A Bulb blown Wiring harness disconnected or improperly connected between main switch AC terminal and combination switch B1 terminal between combination switch T terminal and tail light Replace Replace Repair or Replace G 30 Illumination Light Does Not Light Fuse blown 10 A Bulb blown Wiring harness disconnected or improperly connected between main switch AC terminal a...

Page 342: ...ngine Is Running Engine oil pressure too low Engine oil insufficient Engine oil pressure switch defective Short circuit between engine oil pressure switch lead and chassis Circuit in panel board defective Repair engine Replenish Replace Repair Replace G 8 9 S27 Engine Oil Pressure Lamp Does Not Light When Main Switch Is Turned ON and Engine Is Not Running Bulb blown Engine oil pressure switch defe...

Page 343: ...ush Brush Holder and Holder Support O D Difference of O D s Under Cut Length Resistance 28 0 mm 1 102 in Less than 0 02 mm 0 0008 in 0 60 mm 0 0236 in 14 0 mm 0 551 in Infinity 27 0 mm 1 063 in 0 05 mm 0 0020 in 0 20 mm 0 0079 in 9 0 mm 0 354 in Alternator Stator Rotor Slip Ring Brush No load voltage Resistance Resistance O D Length More than 14 V Less than 1 0 Ω 2 9 Ω 14 4 mm 0 567 in 10 5 mm 0 4...

Page 344: ...use screws bolts and nuts See page G 9 W10127360 Item N m kgf m ft lbs Starter M terminal nut C terminal nut Magnetic switch mounting nut Through bolt Alternator Pulley nut 8 8 to 11 8 7 9 to 11 8 5 9 to 10 8 4 42 to 7 35 58 3 to 78 9 0 9 to 1 2 0 8 to 1 2 0 6 to 1 1 0 45 to 0 75 5 95 to 8 05 6 5 to 8 7 5 8 to 8 7 4 4 to 7 9 3 26 to 5 42 43 0 to 58 2 KiSC issued 11 2006 A ...

Page 345: ...is advice is disregarded damage to alternator and regulator may result 1 BATTERY 1 Checking Battery Voltage 1 Stop the engine and turn the main switch off 2 Connect the COM lead of the voltmeter to the battery s negative terminal post 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...

Page 346: ...and hold the hydrometer at eye level The hydrometer reading must be taken at the highest electrolyte level Reference Specific gravity slightly varies with temperature To be exact the specific gravity decreases by 0 0007 with an increase of 1 C 0 0004 with an increase of 1 F in temperature and increases by 0 0007 with a decreases of 1 C 0 0004 with a decrease of 1 F Therefore using 20 C 68 F as a r...

Page 347: ...itch OFF position 2 Measure the resistance with an ohmmeter across the 30 terminal and the AC terminal 30 terminal and 50 terminal 30 terminal and 19 terminal 3 If infinity is not indicated the contacts of the main switch are faulty W10136580 2 Main Switch Key at ON Position 1 Set the main switch ON position 2 Measure the resistance with an ohmmeter across the 30 terminal and the AC terminal 3 If ...

Page 348: ... indicated these contacts of the main switch are faulty W10143990 B Starter Motor Test CAUTION Secure the starter to prevent if from jumping up and down while testing the motor 1 Disconnect the battery negative cable from the battery 2 Disconnect the battery positive cable and the leads from the starter M terminal 3 Remove the starter from the engine 4 Disconnect the connecting lead 2 from the sta...

Page 349: ... 6 Connect a jumper lead momentarily between the starter C terminal 2 and the battery negative terminal post 7 If the pinion gear does not pop out check the magnetic switch NOTE This test should be carried out for a short time about 3 to 5 seconds W10146900 Starter Relay 1 Open the panel board and remove out the starter relay 2 Apply battery voltage across terminal 2 and 4 and check for continuity...

Page 350: ...ion differs from the battery voltage the wiring harness or main switch is faulty W10149130 Glow Plug Continuity 1 Disconnect the lead from the glow plugs 2 Measure the resistance with an ohmmeter between the glow plug terminal and the chassis 3 If 0 ohm is indicated the screw at the tip of the glow plug and the housing are short circuited 4 If the factory specification is not indicated the glow pl...

Page 351: ...witch leads 3 Measure the resistance between leads 4 If the safety switch is defective replace it W10158610 Resistance Across switch terminal When switch push is pushed 0 Ω When switch push is released Infinity 1 Safety Switch for Clutch Pedal 2 Safety Switch for PTO Gear Shift Lever 3 Safety Switch for HST 4 Safety Switch for Main Gear Shift Lever KiSC issued 11 2006 A ...

Page 352: ...icated the fuse the main switch or wiring harness are faulty W10163430 Engine Stop Solenoid Test 1 Disconnect the lead from the engine stop solenoid after turning the main switch off 2 Connect jumper leads from the battery positive terminal to the engine stop solenoid terminal 1 Red Black and 2 White then from the battery negative terminal to the engine stop solenoid body 3 If the solenoid plunger...

Page 353: ...ch 8 from the housing NOTE Do not damage to the brush and commutator When reassembling Apply grease NIPPONDENSO No 50 or equivalent to the parts indicated in the figure a Drive lever b Teeth of pinion gear c Center bearing d Internal gear e Shaft f Planetary Gear W10169850 1 Magnetic Switch Mounting Nut 2 Housing 3 Magnetic Switch 4 Connecting Lead 5 C Terminal Nut 6 Shaft Assembly 7 Drive Lever 8...

Page 354: ... 1 If the contact face of the brush is dirty or dusty clean it with emery paper 2 Measure the brush length A with vernier calipers 3 If the length is less than the allowable limit replace the yoke assembly and brush holder W10175440 Brush Holder 1 Check the continuity across the brush holder and the holder support with an ohmmeter 2 If it conducts replace the brush holder W10176720 Commutator O D ...

Page 355: ...y across the segments of the commutator with an ohmmeter 4 If it does not conduct replace the armature W10177670 Field Coil 1 Check the continuity across the lead 1 and brush 2 with an ohmmeter 2 If it does not conduct replace the yoke assembly 3 Check the continuity across the brush 2 and yoke 3 with an ohmmeter 4 If it conducts replace the yoke assembly W10180150 1 Lead 2 Brush 3 Yoke KiSC issue...

Page 356: ...ect the negative cable from the battery 5 Measure the voltage between the B terminal 2 and the chassis 6 If the measurement is less than the factory specification disassemble the alternator and check the IC regulator Reference Once the engine has started the alternator temperature rises quickly up to an ambient temperature of 70 to 90 C 158 to 194 F As the temperature goes higher than 50 C 122 F t...

Page 357: ... and the B terminal nut and remove the rear end cover W10189820 Brush Holder 1 Unscrew the two screws holding the brush holder and remove the brush holder 1 W10190540 IC Regulator 1 Unscrew the three screws holding the IC regulator and remove the IC regulator 1 W10191230 Rectifier 1 Remove the four screws holding the rectifier and the stator lead wires 2 Remove the rectifier 1 W10191920 Tightening...

Page 358: ...g or fan etc W10194380 Retainer Plate 1 Unscrew the four screws holding the retainer plate and remove the retainer plate 1 W10195420 Bearing on Drive End Side 1 Press out the bearing from drive end frame 3 with a press and jig 1 W10196110 Bearing at Slip Ring Side 1 Lightly secure the rotor 1 with a vise to prevent damage and remove the bearing 2 with a puller 3 W10197010 1 Rear End Frame 1 Rotor ...

Page 359: ...k the continuity across the slip ring and core with an ohmmeter 4 If infinity is not indicated replace it W10200940 Slip Ring 1 Check the slip ring for score 2 If scored correct with an emery paper or on a lathe 3 Measure the O D of slip ring with vernier calipers 4 If the measurement is less than the allowable limit replace it W10202080 Brush Wear 1 Measure the brush length with vernier calipers ...

Page 360: ... digital multimeter Because it s very hard to check the continuity of rectifier by using it W10204520 IC Regulator 1 Check the continuity across the B terminal and the F terminal of IC regulator with an analog ohmmeter Conduct the test in the R 1 setting 2 The IC regulator is normal if the IC regulator conducts in one direction and does not conduct in the reverse direction IMPORTANT Do not use a 5...

Page 361: ...d disconnect the combination switch connector 2 Remove the combination switch and perform the following checkings W10199670 1 Head Light Switch Continuity when Setting Switch Knob at OFF Position 1 Set the light switch knob to the OFF position 2 Measure the resistance with an ohmmeter across the B1 terminal to the 1 terminal and across the B1 terminal and the T terminal and across the B1 terminal ...

Page 362: ...hmmeter across the B2 terminal and R terminal 3 If 0 ohm is not indicated the combination switch is faulty W10209280 5 Turn Signal Light Switch Continuity when Setting Switch Knob at L Position 1 Set the turn signal light switch knob to the L position 2 Measure the resistance with an ohmmeter across the B2 terminal and L terminal 3 If 0 ohm is not indicated the combination switch is faulty W102111...

Page 363: ...ect the connector and remove the hazard light switch 3 Measure the resistance with ohmmeter across the A terminal and C terminal and across the D terminal and E terminal 4 If the measurement differs from the table below the hazard light switch or the bulb are faulty W10230230 Voltage WL terminal Chassis Approx battery voltage 1 Hazard Light Switch Resistance Switch at OFF A terminal C terminal Inf...

Page 364: ...el 2 Disconnect the connector and remove the position light switch 3 Measure the resistance with ohmmeter across the A terminal and C terminal and across the D terminal and E terminal 4 If the measurement differs from the table below the position light switch or the bulb are faulty W10237690 Voltage WB terminal Chassis Approx battery voltage 1 Position Light Switch Resistance Switch at OFF A termi...

Page 365: ...ulty W10233540 E Brake Light Switch Brake Light Switch Continuity 1 Disconnect the leads and measure the resistance with an ohmmeter across the brake light switch leads 2 If the measurement differs from the table below the brake light switch is faulty or need to adjust the brake light switch position W10241630 Voltage RY terminal Chassis Approx battery voltage 1 Flasher Hazard Unit Resistance When...

Page 366: ...e is fault W10230010 Engine Oil Pressure Switch Panel Board and Wiring Harness 1 Disconnect the lead from the engine oil pressure switch after turning the main switch OFF 2 Turn the main switch ON and connect a jumper lead from the lead to the chassis 3 If the engine oil pressure indicator lamp does not light the panel board circuit or the wiring harness is faulty W10231160 Engine oil Pressure Swi...

Page 367: ... Tail Light Terminals 1 Turn the main switch ON and measure the voltage with voltmeter across the 7 terminal 1 and 5 terminal 2 and across the 5 terminal 2 and 3 terminal 3 2 If the voltage differs from battery voltage the wiring harness or switches for tail lights are faulty W10256600 1 Glow Plug a From Main Switch 19 Terminal and Pre heat Indicator Lamp Lamp spec All lamp 12 V 1 7 W 1 Illuminati...

Page 368: ... and measure the voltage with a voltmeter across the lead terminal and the chassis If the voltage differs from the battery voltage the wiring harness fuse or coolant temperature gauge is faulty 2 Sensor Continuity 1 Measure the resistances with an ohmmeter across the sensor terminal and the chassis 2 If the reference value is not indicated the sensor is faulty W10251040 Voltage When stepping the b...

Page 369: ...terminal 2 and GND terminal 1 3 If infinity is indicated the coolant temperature gauge is faulty 4 Check the continuity with an ohmmeter across the U terminal 5 and IGN terminal 6 and across the U terminal 5 and GND terminal 4 5 If infinity is indicated the fuel gauge is faulty W10272050 1 GND Terminal Temperature 2 U Terminal Temperature 3 IGN Terminal Temperature 4 GND Terminal Fuel 5 U Terminal...

Page 370: ...ode No 9Y011 12751 2001 02 S EI EI e KUBOTA Corporation EDITOR KUBOTA FARM INDUSTRIAL MACHINERY SERVICE LTD 64 ISHIZU KITAMACHI SAKAI KU SAKAI CITY OSAKA 590 0823 JAPAN PHONE 81 72 241 1129 FAX 81 72 245 2484 E mail ksos pub kubota co jp ...

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