Kubota L3130·L3430·L3830 L4330·L4630·L5030 Tractor Workshop Manual – PDF DOWNLOAD

Description

Kubota L3130·L3430·L3830 L4330·L4630·L5030 Tractor Workshop Manual – PDF DOWNLOAD

DESCRIPTION:

Kubota L3130·L3430·L3830 L4330·L4630·L5030 Tractor Workshop Manual – PDF DOWNLOAD

TO THE READER
This Workshop Manual has been prepared to provide servicing personnel with
information on the mechanism, service and maintenance of KUBOTA Tractor L3130,
L3430, L3830, L4330, L4630 and L5030. It is divided into two parts, “Mechanism” and
“Servicing” for each section.
■ Mechanism
Information on the construction and function are included. This part should be
understood before proceeding with troubleshooting, disassembling and servicing.
Refer to Diesel engine / Tractor Mechanism Workshop Manual (Code No. 97897-
01872 / 97897-18200) for the one which has not been described to this workshop
manual.
■ Servicing
The heading “General” includes 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 are based on
the latest product information available at the time of publication.
The right is reserved to make changes in all information at any time without notice.

TABLE OF CONTENTS:

Kubota L3130·L3430·L3830 L4330·L4630·L5030 Tractor Workshop Manual – PDF DOWNLOAD

TO THE READER……………………………………………………………………………. 2
SAFETY FIRST…………………………………………………………………………….. 3
…………………………………………………………………………………. 4
…………………………………………………………………………………. 5
SAFETY DECALS……………………………………………………………………………. 6
…………………………………………………………………………………. 7
………………………………………………………………………………… 8
…………………………………………………………………………………. 9
SPECIFICATIONS…………………………………………………………………………… 10
………………………………………………………………………………… 11
…………………………………………………………………………………. 12
………………………………………………………………………………… 13
…………………………………………………………………………………. 14
…………………………………………………………………………………. 15
TRAVELLING SPEEDS………………………………………………………………………… 16
…………………………………………………………………………………. 17
…………………………………………………………………………………. 18
…………………………………………………………………………………. 19
DIMENSIONS………………………………………………………………………………. 20
…………………………………………………………………………………. 21
G GENERAL……………………………………………………………………………….. 22
CONTENTS…………………………………………………………………………….. 23
1. TRACTOR IDENTIFICATION…………………………………………………………. 24
2. GENERAL PRECAUTIONS……………………………………………………………. 25
3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING………………………….. 26
[1] WIRING…………………………………………………………………… 26
……………………………………………………………………… 27
[2] BATTERY…………………………………………………………………… 28
[3] FUSE……………………………………………………………………… 28
[4] CONNECTOR…………………………………………………………………. 28
[5] HANDLING OF CIRCUIT TESTER……………………………………………….. 29
4. LUBRICANTS, FUEL AND COOLANT………………………………………………….. 30
…………………………………………………………………………. 31
5. TIGHTENING TORQUES…………………………………………………………….. 32
[1] GENERAL USE SCREWS, BOLTS AND NUTS………………………………………. 32
6. MAINTENANCE……………………………………………………………………. 33
…………………………………………………………………………. 34
7. CHECK AND MAINTENANCE…………………………………………………………. 35
[1] DAILY CHECK………………………………………………………………. 35
[2] CHECK POINTS OF INITIAL 50 HOURS………………………………………… 36
………………………………………………………………………. 37
………………………………………………………………………. 38
………………………………………………………………………. 39
[3] CHECK POINTS OF EVERY 50 HOURS………………………………………….. 40
………………………………………………………………………. 41
……………………………………………………………………… 42
[4] CHECK POINTS OF EVERY 100 HOURS………………………………………… 43
………………………………………………………………………. 44
………………………………………………………………………. 45
………………………………………………………………………. 46
………………………………………………………………………. 47
[5] CHECK POINTS OF EVERY 200 HOURS…………………………………………. 48
………………………………………………………………………. 49
………………………………………………………………………. 50
………………………………………………………………………. 51
………………………………………………………………………. 52
[6] CHECK POINTS OF EVERY 400 HOURS…………………………………………. 53
[7] CHECK POINTS OF EVERY 600 HOURS…………………………………………. 53
[8] CHECK POINTS OF EVERY 800 HOURS…………………………………………. 53
[9] CHECK POINTS OF EVERY 1500 HOURS………………………………………… 53
[10] CHECK POINTS OF EVERY 3000 HOURS……………………………………….. 53
[11] CHECK POINTS OF EVERY 1 YEAR…………………………………………… 54
[12] CHECK POINTS OF EVERY 2 YEARS………………………………………….. 54
………………………………………………………………………. 55
[13] OTHERS…………………………………………………………………… 56
………………………………………………………………………. 57
………………………………………………………………………. 58
………………………………………………………………………. 59
8. SPECIAL TOOLS…………………………………………………………………. 60
[1] SPECIAL TOOLS FOR ENGINE…………………………………………………. 60
………………………………………………………………………. 61
………………………………………………………………………. 62
………………………………………………………………………. 63
………………………………………………………………………. 64
………………………………………………………………………. 65
………………………………………………………………………. 66
………………………………………………………………………. 67
[2] SPECIAL TOOLS FOR TRACTOR………………………………………………… 68
………………………………………………………………………. 69
………………………………………………………………………. 70
………………………………………………………………………. 71
………………………………………………………………………. 72
………………………………………………………………………. 73
………………………………………………………………………. 74
………………………………………………………………………. 75
9. TIRES…………………………………………………………………………. 76
[1] TIRE PRESSURE…………………………………………………………….. 76
[2] TREADS ADJUSTMENT…………………………………………………………. 77
(1) Front Wheels…………………………………………………………… 77
(2) Rear Wheels……………………………………………………………. 77
…………………………………………………………………… 79
[3] TIRE LIQUID INJECTION…………………………………………………….. 80
………………………………………………………………………. 81
………………………………………………………………………. 82
[4] IMPLEMENT LIMITATIONS……………………………………………………… 83
………………………………………………………………………. 84
………………………………………………………………………. 85
………………………………………………………………………. 86
………………………………………………………………………. 87
………………………………………………………………………. 88
………………………………………………………………………. 89
1 ENGINE………………………………………………………………………………… 90
CONTENTS…………………………………………………………………………….. 91
1. FEATURES………………………………………………………………………. 92
2. FUEL SYSTEM…………………………………………………………………… 93
3. LUBRICATING SYSTEM…………………………………………………………….. 94
CONTENTS…………………………………………………………………………….. 95
1. TROUBLESHOOTING………………………………………………………………… 96
………………………………………………………………………….. 97
………………………………………………………………………….. 98
2. SERVICING SPECIFICATIONS……………………………………………………….. 99
…………………………………………………………………………..100
…………………………………………………………………………..101
…………………………………………………………………………..102
…………………………………………………………………………..103
…………………………………………………………………………..104
…………………………………………………………………………..105
3. TIGHTENING TORQUES……………………………………………………………..106
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..107
[1] SEPARATING ENGINE FROM TRACTOR…………………………………………….107
……………………………………………………………………….108
……………………………………………………………………….109
……………………………………………………………………….110
……………………………………………………………………….111
……………………………………………………………………….112
……………………………………………………………………….113
……………………………………………………………………….114
……………………………………………………………………….115
……………………………………………………………………….116
……………………………………………………………………….117
……………………………………………………………………….118
……………………………………………………………………….119
……………………………………………………………………….120
[2] ENGINE BODY……………………………………………………………….121
(1) Checking and Adjusting…………………………………………………..121
……………………………………………………………………122
(2) Disassembling and Assembling……………………………………………..123
……………………………………………………………………124
……………………………………………………………………125
……………………………………………………………………126
……………………………………………………………………127
……………………………………………………………………128
……………………………………………………………………129
……………………………………………………………………130
……………………………………………………………………131
……………………………………………………………………132
……………………………………………………………………133
……………………………………………………………………134
……………………………………………………………………135
……………………………………………………………………136
(3) Servicing………………………………………………………………137
……………………………………………………………………138
……………………………………………………………………139
……………………………………………………………………140
……………………………………………………………………141
……………………………………………………………………142
……………………………………………………………………143
……………………………………………………………………144
……………………………………………………………………145
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……………………………………………………………………149
……………………………………………………………………150
……………………………………………………………………151
……………………………………………………………………152
……………………………………………………………………153
……………………………………………………………………154
……………………………………………………………………155
[3] LUBRICATING SYSTEM…………………………………………………………156
(1) Checking……………………………………………………………….156
(2) Servicing………………………………………………………………156
[4] COOLING SYSTEM…………………………………………………………….157
(1) Checking and Adjusting…………………………………………………..157
……………………………………………………………………158
[5] FUEL SYSTEM……………………………………………………………….159
(1) Checking and Adjusting…………………………………………………..159
……………………………………………………………………160
2 CLUTCH…………………………………………………………………………………161
CONTENTS……………………………………………………………………………..162
1. FEATURE………………………………………………………………………..163
CONTENTS……………………………………………………………………………..164
1. TROUBLESHOOTING…………………………………………………………………165
2. SERVICING SPECIFICATIONS………………………………………………………..166
3. TIGHTENING TORQUES……………………………………………………………..167
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..168
[1] CHECKING AND ADJUSTING…………………………………………………….168
[2] DISASSEMBLING AND ASSEMBLING……………………………………………….169
(1) Separating Clutch Housing and Engine………………………………………169
……………………………………………………………………170
……………………………………………………………………171
……………………………………………………………………172
……………………………………………………………………173
……………………………………………………………………174
……………………………………………………………………175
……………………………………………………………………176
……………………………………………………………………177
(2) Removing Clutch Assembly…………………………………………………178
[3] SERVICING………………………………………………………………….179
……………………………………………………………………….180
3 TRANSMISSION……………………………………………………………………………181
CONTENTS……………………………………………………………………………..182
1. MANUAL TRANSMISSION MODEL………………………………………………………183
[1] STRUCTURE………………………………………………………………….183
[2] POWER TRAIN FOR TRAVELING GEAR……………………………………………184
(1) Main Gear Shift Section………………………………………………….184
(2) Shuttle Shift Section……………………………………………………184
(3) Range Gear Shift Section…………………………………………………185
(4) Front Wheel Drive Section (For Four Wheel Drive Model)………………………185
[3] SHIFT LINKAGE MECHANISM……………………………………………………186
(1) Main Gear Shift Lever……………………………………………………186
(2) Shuttle Lever…………………………………………………………..186
(3) Range Gear Shift Lever…………………………………………………..187
(4) Front Wheel Drive Lever (For Four Wheel Drive Model)………………………..187
2. GLIDE SHIFT TRANSMISSION (GST) MODEL…………………………………………..188
[1] STRUCTURE………………………………………………………………….188
[2] CHARACTERISTIC AND SYSTEM OUTLINE………………………………………….189
[3] POWER TRAIN……………………………………………………………….190
[4] ELECTRICAL CONTROL SYSTEM………………………………………………….191
(1) Construction and Function of Components……………………………………191
……………………………………………………………………192
……………………………………………………………………193
(2) Electrical Control………………………………………………………194
[5] HYDRAULIC CONTROL SYSTEM…………………………………………………..195
(1) Hydraulic Circuit and System Outline………………………………………195
……………………………………………………………………196
(2) Construction and Function of Components……………………………………197
……………………………………………………………………198
……………………………………………………………………199
……………………………………………………………………200
……………………………………………………………………201
……………………………………………………………………202
……………………………………………………………………203
[6] SHIFT LINKAGE MECHANISM……………………………………………………204
3. HYDROSTATIC TRANSMISSION (HST) MODEL……………………………………………205
[1] STRUCTURE………………………………………………………………….205
[2] POWER TRAIN……………………………………………………………….206
(1) Hydrostatic Transmission (HST)……………………………………………206
……………………………………………………………………207
……………………………………………………………………208
……………………………………………………………………209
……………………………………………………………………210
……………………………………………………………………211
……………………………………………………………………212
……………………………………………………………………213
……………………………………………………………………214
……………………………………………………………………215
(2) Range Gear Shift Section…………………………………………………216
(3) Front Wheel Drive Section………………………………………………..216
[3] SHIFT LINKAGE MECHANISM……………………………………………………217
(1) Range Gear Shift Lever…………………………………………………..217
4. PTO SYSTEM…………………………………………………………………….218
[1] STRUCTURE………………………………………………………………….218
[2] PTO CLUTCH………………………………………………………………..219
(1) Shift Linkage…………………………………………………………..219
(2) Oil Flow……………………………………………………………….219
(3) Operation………………………………………………………………220
[3] MID PTO (OPTION)………………………………………………………….221
(1) Power Train…………………………………………………………….221
(2) Shift Linkage…………………………………………………………..221
5. CREEP SPEED SYSTEM (OPTION)……………………………………………………222
[1] POWER TRAIN……………………………………………………………….222
[2] SHIFT LINKAGE……………………………………………………………..222
CONTENTS……………………………………………………………………………..223
1. TROUBLESHOOTING…………………………………………………………………224
[1] GENERAL……………………………………………………………………224
[2] GST SYSTEM………………………………………………………………..225
……………………………………………………………………….226
……………………………………………………………………….227
……………………………………………………………………….228
……………………………………………………………………….229
……………………………………………………………………….230
[3] HST SYSTEM………………………………………………………………..231
……………………………………………………………………….232
[4] PTO SYSTEM………………………………………………………………..233
2. SERVICING SPECIFICATIONS………………………………………………………..234
[1] GENERAL……………………………………………………………………234
[2] PTO CLUTCH………………………………………………………………..235
[3] GST……………………………………………………………………….236
[4] HST……………………………………………………………………….237
3. TIGHTENING TORQUES……………………………………………………………..238
…………………………………………………………………………..239
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..240
[1] MANUAL TRANSMISSION MODEL………………………………………………….240
(1) Checking and Adjusting…………………………………………………..240
(2) Disassembling and Assembling……………………………………………..241
……………………………………………………………………242
……………………………………………………………………243
……………………………………………………………………244
……………………………………………………………………245
……………………………………………………………………246
……………………………………………………………………247
……………………………………………………………………248
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……………………………………………………………………258
……………………………………………………………………259
……………………………………………………………………260
……………………………………………………………………261
……………………………………………………………………262
……………………………………………………………………263
(3) Servicing………………………………………………………………264
……………………………………………………………………265
……………………………………………………………………266
……………………………………………………………………267
……………………………………………………………………268
……………………………………………………………………269
[2] GLIDE SHIFT TRANSMISSION (GST) MODEL………………………………………270
(1) Checking and Adjusting…………………………………………………..270
……………………………………………………………………271
……………………………………………………………………272
……………………………………………………………………273
……………………………………………………………………274
……………………………………………………………………275
(2) Disassembling and Assembling……………………………………………..276
……………………………………………………………………277
……………………………………………………………………278
……………………………………………………………………279
……………………………………………………………………280
……………………………………………………………………281
……………………………………………………………………282
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……………………………………………………………………304
……………………………………………………………………305
……………………………………………………………………306
……………………………………………………………………307
……………………………………………………………………308
……………………………………………………………………309
(3) Servicing………………………………………………………………310
……………………………………………………………………311
[3] HYDROSTATIC TRANSMISSION (HST) MODEL……………………………………….312
(1) Checking and Adjusting…………………………………………………..312
……………………………………………………………………313
……………………………………………………………………314
……………………………………………………………………315
……………………………………………………………………316
……………………………………………………………………317
(2) Disassembling and Assembling……………………………………………..318
……………………………………………………………………319
……………………………………………………………………320
……………………………………………………………………321
……………………………………………………………………322
……………………………………………………………………323
……………………………………………………………………324
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……………………………………………………………………341
……………………………………………………………………342
(3) Servicing………………………………………………………………343
……………………………………………………………………344
……………………………………………………………………345
4 REAR AXLE………………………………………………………………………………346
CONTENTS……………………………………………………………………………..347
1. STRUCTURE………………………………………………………………………348
…………………………………………………………………………..349
CONTENTS……………………………………………………………………………..350
1. TROUBLESHOOTING…………………………………………………………………351
2. TIGHTENING TORQUES……………………………………………………………..352
3. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..353
[1] DISASSEMBLING AND ASSEMBLING……………………………………………….353
(1) Separating Rear Axle Case from Brake Case………………………………….353
……………………………………………………………………354
……………………………………………………………………355
(2) Disassembling Rear Axle………………………………………………….356
5 BRAKES…………………………………………………………………………………357
CONTENTS……………………………………………………………………………..358
1. STRUCTURE………………………………………………………………………359
2. OPERATION………………………………………………………………………360
CONTENTS……………………………………………………………………………..361
1. TROUBLESHOOTING…………………………………………………………………362
2. SERVICING SPECIFICATIONS………………………………………………………..363
3. TIGHTENING TORQUES……………………………………………………………..364
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..365
[1] BRAKE PEDAL……………………………………………………………….365
(1) Checking and Adjusting…………………………………………………..365
(2) Disassembling and Assembling……………………………………………..365
……………………………………………………………………366
……………………………………………………………………367
(3) Servicing………………………………………………………………368
[2] BRAKE CASE………………………………………………………………..368
(1) Disassembling and Assembling……………………………………………..368
……………………………………………………………………369
……………………………………………………………………370
……………………………………………………………………371
(2) Servicing………………………………………………………………372
6 FRONT AXLE……………………………………………………………………………..373
CONTENTS……………………………………………………………………………..374
1. STRUCTURE………………………………………………………………………375
[1] 2WD TYPE………………………………………………………………….375
[2] 4WD TYPE………………………………………………………………….376
……………………………………………………………………….377
CONTENTS……………………………………………………………………………..378
1. TROUBLESHOOTING…………………………………………………………………379
2. SERVICING SPECIFICATIONS………………………………………………………..380
…………………………………………………………………………..381
…………………………………………………………………………..382
3. TIGHTENING TORQUES……………………………………………………………..383
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..384
[1] CHECKING AND ADJUSTING…………………………………………………….384
……………………………………………………………………….385
[2] DISASSEMBLING AND ASSEMBLING……………………………………………….386
(1) Separating Front Axle Assembly……………………………………………386
……………………………………………………………………387
(2) Disassembling 2WD Type Front Axle…………………………………………388
……………………………………………………………………389
(3) Disassembling 4WD Type Front Axle…………………………………………390
……………………………………………………………………391
……………………………………………………………………392
……………………………………………………………………393
……………………………………………………………………394
……………………………………………………………………395
……………………………………………………………………396
[3] SERVICING………………………………………………………………….397
(1) 2WD Type……………………………………………………………….397
(2) 4WD Type……………………………………………………………….398
……………………………………………………………………399
……………………………………………………………………400
……………………………………………………………………401
……………………………………………………………………402
……………………………………………………………………403
7 STEERING……………………………………………………………………………….404
CONTENTS……………………………………………………………………………..405
1. STRUCTURE………………………………………………………………………406
2. HYDRAULIC CIRCUIT………………………………………………………………407
3. HYDRAULIC PUMP…………………………………………………………………408
4. STEERING CONTROLLER…………………………………………………………….409
[1] CONTROL VALVE……………………………………………………………..410
[2] METERING DEVICE (GEROTOR)………………………………………………….410
[3] RELIEF VALVE (WITH CHECK VALVE)…………………………………………..411
[4] OIL FLOW………………………………………………………………….412
……………………………………………………………………….413
5. STEERING CYLINDER………………………………………………………………414
CONTENTS……………………………………………………………………………..415
1. TROUBLESHOOTING…………………………………………………………………416
2. SERVICING SPECIFICATIONS………………………………………………………..417
…………………………………………………………………………..418
3. TIGHTENING TORQUES……………………………………………………………..419
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..420
[1] HYDRAULIC PUMP…………………………………………………………….420
(1) Checking……………………………………………………………….420
……………………………………………………………………421
……………………………………………………………………422
……………………………………………………………………423
(2) Disassembling and Assembling……………………………………………..424
……………………………………………………………………425
(3) Servicing………………………………………………………………426
……………………………………………………………………427
[2] STEERING CONTROLLER………………………………………………………..428
(1) Checking……………………………………………………………….428
(2) Disassembling and Assembling……………………………………………..429
[3] STEERING CYLINDER………………………………………………………….430
(1) Disassembling and Assembling……………………………………………..430
……………………………………………………………………431
(2) Servicing………………………………………………………………432
[4] STEERING LINKAGE…………………………………………………………..433
(1) Disassembling and Assembling……………………………………………..433
……………………………………………………………………434
8 HYDRAULIC SYSTEM………………………………………………………………………..435
CONTENTS……………………………………………………………………………..436
1. STRUCTURE………………………………………………………………………437
[1] MANUAL TRANSMISSION AND GLIDE SHIFT TRANSMISSION…………………………..437
[2] HYDROSTATIC TRANSMISSION……………………………………………………438
2. HYDRAULIC CIRCUIT………………………………………………………………439
[1] MANUAL TRANSMISSION………………………………………………………..439
[2] GLIDE SHIFT TRANSMISSION…………………………………………………..440
……………………………………………………………………….441
[3] HYDROSTATIC TRANSMISSION……………………………………………………442
……………………………………………………………………….443
3. HYDRAULIC PUMP…………………………………………………………………444
4. FRONT HYDRAULIC BLOCK………………………………………………………….445
5. REAR HYDRAULIC BLOCK…………………………………………………………..446
6. POSITION CONTROL VALVE…………………………………………………………447
…………………………………………………………………………..448
7. POSITION CONTROL LINKAGE……………………………………………………….449
8. LOWERING SPEED ADJUSTING VALVE…………………………………………………450
9. HYDRAULIC CYLINDER……………………………………………………………..451
10. AUXILIARY CONTROL VALVE……………………………………………………….452
[1] DOUBLE ACTING TYPE 1……………………………………………………..452
[2] DOUBLE ACTING TYPE 2 (FLOATING WITH DETENT)………………………………453
……………………………………………………………………….454
CONTENTS……………………………………………………………………………..455
1. TROUBLESHOOTING…………………………………………………………………456
2. SERVICING SPECIFICATIONS………………………………………………………..457
…………………………………………………………………………..458
3. TIGHTENING TORQUES……………………………………………………………..459
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..460
[1] HYRAULIC PUMP……………………………………………………………..460
(1) Checking……………………………………………………………….460
……………………………………………………………………461
(2) Disassembling and Assembling……………………………………………..462
……………………………………………………………………463
(3) Servicing………………………………………………………………464
……………………………………………………………………465
[2] RELIEF VALVE………………………………………………………………466
(1) Checking and Adjusting…………………………………………………..466
(2) Disassembling and Assembling……………………………………………..467
[3] REAR HYDRAULIC BLOCK AND VALVES…………………………………………..467
(1) Checking and Adjusting…………………………………………………..467
(2) Disassembling and Assembling……………………………………………..468
……………………………………………………………………469
……………………………………………………………………470
(3) Servicing………………………………………………………………471
[4] LIFT ARM SUPPORT AND HYDRAULIC CYLINDER…………………………………..471
(1) Disassembling and Assembling……………………………………………..471
……………………………………………………………………472
……………………………………………………………………473
(2) Servicing………………………………………………………………474
……………………………………………………………………475
9 ELECTRICAL SYSTEM……………………………………………………………………….476
CONTENTS……………………………………………………………………………..477
1. WIRING DIAGRAM…………………………………………………………………478
[1] ROPS TYPE…………………………………………………………………479
(1) Manual Transmission Type…………………………………………………479
……………………………………………………………………480
(2) GST Model………………………………………………………………481
……………………………………………………………………482
(3) HST Model………………………………………………………………483
……………………………………………………………………484
[2] CABIN TYPE………………………………………………………………..485
(1) GST Model………………………………………………………………485
……………………………………………………………………486
(2) HST Model………………………………………………………………487
……………………………………………………………………488
(3) Cabin………………………………………………………………….489
2. ELECTRONIC CONTROL PANEL……………………………………………………….490
[1] SYSTEM OUTLINE AND ELECTRICAL CIRCUIT……………………………………..490
(1) System Outline………………………………………………………….490
(2) Control Items…………………………………………………………..491
[2] CONSTRUCTION AND FUNCTION OF COMPONENTS……………………………………492
……………………………………………………………………….493
……………………………………………………………………….494
……………………………………………………………………….495
……………………………………………………………………….496
……………………………………………………………………….497
……………………………………………………………………….498
……………………………………………………………………….499
[3] CONTROL SYSTEM…………………………………………………………….500
(1) Basic Control System…………………………………………………….500
……………………………………………………………………501
……………………………………………………………………502
……………………………………………………………………503
……………………………………………………………………504
……………………………………………………………………505
……………………………………………………………………506
(2) Assistant Control System…………………………………………………507
……………………………………………………………………508
……………………………………………………………………509
3. STARTING SYSTEM………………………………………………………………..510
[1] GST-ROPS MODEL…………………………………………………………….510
[2] HST-CABIN MODEL……………………………………………………………511
[3] OPERATOR PRESENCE CONTROL………………………………………………….512
4. CHARGING SYSTEM………………………………………………………………..513
5. LIGHTING SYSTEM………………………………………………………………..514
[1] ROPS TYPE…………………………………………………………………514
[2] CABIN TYPE………………………………………………………………..515
CONTENTS……………………………………………………………………………..516
1. TROUBLESHOOTING…………………………………………………………………517
…………………………………………………………………………..518
…………………………………………………………………………..519
…………………………………………………………………………..520
…………………………………………………………………………..521
…………………………………………………………………………..522
…………………………………………………………………………..523
2. SERVICING SPECIFICATIONS………………………………………………………..524
3. TIGHTENING TORQUES……………………………………………………………..525
4. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..526
[1] BATTERY……………………………………………………………………526
(1) Checking……………………………………………………………….526
……………………………………………………………………527
[2] ELECTRONIC INSTRUMENT PANEL (INTELLIPANEL)………………………………….528
(1) Testing, Setting and Adjusting by Electronic Instrument Panel
(Intellipanel)….528
……………………………………………………………………529
……………………………………………………………………530
……………………………………………………………………531
……………………………………………………………………532
……………………………………………………………………533
……………………………………………………………………534
……………………………………………………………………535
(2) Checking Electrical Control System………………………………………..536
……………………………………………………………………537
……………………………………………………………………538
……………………………………………………………………539
……………………………………………………………………540
……………………………………………………………………541
……………………………………………………………………542
(3) Checking GST Electric Control System (GST Model Only)……………………….543
……………………………………………………………………544
……………………………………………………………………545
……………………………………………………………………546
……………………………………………………………………547
……………………………………………………………………548
[3] STARTING SYSTEM……………………………………………………………549
(1) Checking……………………………………………………………….549
……………………………………………………………………550
……………………………………………………………………551
……………………………………………………………………552
……………………………………………………………………553
……………………………………………………………………554
……………………………………………………………………555
……………………………………………………………………556
……………………………………………………………………557
(2) Disassembling and Assembling……………………………………………..558
(3) Servicing………………………………………………………………558
……………………………………………………………………559
……………………………………………………………………560
[4] CHARGING SYSTEM……………………………………………………………561
(1) Checking……………………………………………………………….561
(2) Disassembling and Assembling……………………………………………..562
……………………………………………………………………563
(3) Servicing………………………………………………………………564
……………………………………………………………………565
[5] LIGHTING SYSTEM……………………………………………………………566
(1) Checking……………………………………………………………….566
……………………………………………………………………567
……………………………………………………………………568
[6] WARNING LAMPS……………………………………………………………..569
(1) Checking……………………………………………………………….569
[7] MONITOR LAMP………………………………………………………………570
(1) Checking……………………………………………………………….570
……………………………………………………………………571
[8] GAUGES…………………………………………………………………….572
(1) Checking……………………………………………………………….572
10 CABIN…………………………………………………………………………………573
CONTENTS……………………………………………………………………………..574
1. AIR CONDITIONER SYSTEM…………………………………………………………575
[1] OUTLINE OF AIR CONDITIONING SYSTEM………………………………………..575
……………………………………………………………………….576
[2] SYSTEM CONTROL…………………………………………………………….577
[3] ELECTRICAL SYSTEM………………………………………………………….578
(1) Electrical Circuit………………………………………………………578
(2) Air Conditioner Relay, Blower Relays and Compressor Relay……………………579
(3) Air Conditioner Blower Switch…………………………………………….580
CONTENTS……………………………………………………………………………..581
1. TROUBLESHOOTING…………………………………………………………………582
…………………………………………………………………………..583
…………………………………………………………………………..584
…………………………………………………………………………..585
…………………………………………………………………………..586
2. SERVICING SPECIFICATIONS………………………………………………………..587
3. TIGHTENING TORQUES……………………………………………………………..588
4. PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE……………………………………..589
[1] HANDLING OF SERVICE TOOLS…………………………………………………590
(1) Manifold Gauge Set………………………………………………………590
(2) Refrigerant Charging Hose………………………………………………..591
(3) Vacuum Pump Adaptor……………………………………………………..592
(4) Electric Gas Leak Tester…………………………………………………592
(5) Can Tap Valve…………………………………………………………..592
(6) T-joint………………………………………………………………..593
(7) R134a Refrigerant Recovery and Recycling Machine……………………………593
5. CHECKING AND CHARGING REFRIGERANT CYCLE………………………………………..594
[1] CHECKING WITH MANIFOLD GAUGE………………………………………………594
……………………………………………………………………….595
……………………………………………………………………….596
……………………………………………………………………….597
[2] DISCHARGING, EVACUATING AND CHARGING……………………………………….598
(1) Discharging the System…………………………………………………..598
(2) Evacuating the System……………………………………………………598
……………………………………………………………………599
(3) Charging the System……………………………………………………..600
……………………………………………………………………601
(4) Checking Charge Refrigerant Amount………………………………………..602
6. CHECKING, DISASSEMBLING AND SERVICING…………………………………………..603
[1] SEPARATING CABIN FROM TRACTOR BODY………………………………………..603
……………………………………………………………………….604
……………………………………………………………………….605
……………………………………………………………………….606
……………………………………………………………………….607
[2] COMPRESSOR…………………………………………………………………608
(1) Checking……………………………………………………………….608
(2) Disassembling and Assembling……………………………………………..608
……………………………………………………………………609
……………………………………………………………………610
(3) Servicing………………………………………………………………611
[3] AIR CONDITIONER SYSTEM AND FRONT WINDSHIELD WIPER…………………………611
(1) Checking……………………………………………………………….611
……………………………………………………………………612
……………………………………………………………………613
……………………………………………………………………614
……………………………………………………………………615
……………………………………………………………………616
(2) Disassembling and Assembling……………………………………………..617
……………………………………………………………………618
……………………………………………………………………619
……………………………………………………………………620
……………………………………………………………………621
……………………………………………………………………622
……………………………………………………………………623
(3) Servicing………………………………………………………………624
[4] LIGHTING SYSTEM……………………………………………………………….625
(1) Checking…………………………………………………………………..625
[5] OTHERS………………………………………………………………………..626
(1) Disassembling and Assembling…………………………………………………626
……………………………………………………………………….627
……………………………………………………………………….628

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