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Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 PDF

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Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 – PDF DOWNLOAD

MACHINE MODEL   SERIAL NUMBER
WA30-5                     22005 and up

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Description

Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 – PDF DOWNLOAD

FILE DETAILS:

Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 – PDF DOWNLOAD 

Language : English
Pages : 410
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 – PDF DOWNLOAD 

MACHINE MODEL   SERIAL NUMBER
WA30-5                     22005 and up

COVER 1
CONTENTS 2
01 GENERAL 25
GENERAL ASSEMBLY DRAWING 26
SPECIFICATIONS 28
WEIGHT TABLE 31
LIST OF LUBRICANT AND WATER 32
10 STRUCTURE AND FUNCTION 34
POWER TRAIN 35
POWER TRAIN SYSTEM 36
RADIATOR・OIL COOLER 38
DAMPER COUPLING 39
HST PIPING 40
HST HYDRAULIC SYSTEM DIAGRAM 41
HST HYDRAULIC CIRCUIT DIAGRAM 42
MAIN PISTON PUMP 43
HIGH-PRESSURE RELIEF VALVE 45
LOW-PRESSURE RELIEF VALVE 47
WORK EQUIPMENT・STEERING PUMP, HST CHARGE PUMP 48
CHARGE PUMP OIL FILTER 49
SPEED RELATED VALVE (DA VALVE) 50
PISTON MOTOR 51
DIRECTIONAL SHUTTLE VALVE 53
SERVO VALVE 54
INCHING VALVE 55
TRANSFER 56
HST CONTROL 57
DRIVE SHAFT 58
AXLE 59
DIFFERENTIAL 61
FINAL DRIVE 64
AXLE MOUNT 66
TIRE・WHEEL 67
CENTER HINGE PIN 68
STEERING PIPING 69
STEERING COLUMN 70
PRIORITY VALVE 71
STEERING VALVE (ORBIT-ROLL) 75
BRAKE, PARKING BRAKE CONTROL 83
BRAKE (ALSO USED AS PARKING BRAKE) 84
WORK EQUIPMENT PIPING 85
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM 86
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM 87
WORK EQUIPMENT LEVER LINKAGE 88
HYDRAULIC TANK 89
HYDRAULIC FILTER 90
MAIN CONTROL VALVE 91
WORK EQUIPMENT LINKAGE 98
BUCKET 99
BUCKET POSITIONER 100
PROXIMITY SWITCH 101
ROPS CANOPY 102
CENTRAL PANEL (CLUSTER GAUGE) 103
ENGINE START CIRCUIT 104
ENGINE STOP CIRUIT 104
PREHEATING CIRCUIT 105
PARKING BRAKE CIRCUIT 106
20 TESTING AND ADJUSTING 107
STANDARD VALUE TABLE FOR ENGINE 108
STANDARD VALUE TABLE FOR CHASSIS 110
TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING 115
ADJUSTING VALVE CLEARANCE 116
MEASURING COMPRESSION PRESSURE 119
TESTING AND ADJUSTING FUEL INJECTION TIMING 120
BLEEDING AIR FROM FUEL CIRCUIT 126
TESTING AND ADJUSTING FAN BELT TENSION 127
TESTING FOR ABNORMALITY IN FUEL LEVEL SENSOR 129
MEASURING ACCELERATOR PEDAL 130
MEASURING OPERATING EFFORT, TRAVEL OF DIRECTIONAL LEVER 132
MEASURING STALL SPEED 133
MEASURING HST OIL PRESSURE 134
TESTING AND ADJUSTING STEERING WHEEL 135
MEASURING OPERATING TIME FOR STEERING WHEEL 136
MEASURING STEERING PRESSURE 137
TESTING AND ADJUSTING BRAKE PEDAL 138
MEASURING OPERATING EFFORT, TRAVEL OF BRAKE PEDAL 140
MEASURING BRAKE PERFORMANCE 141
MEASURING PARKING BRAKE PERFORMANCE 142
MEASURING BRAKE DISC WEAR 143
TESTING AND ADJUSTING INCHING VALVE LINKAGE 144
MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL LEVER 145
MEASURING TRAVEL OF MAIN CONTROL VALVE SPOOL 147
MEASURING WORK EQUIPMENT PRESSURE 148
TESTING AND ADJUSTING BUCKET POSITIONER 150
TROUBLESHOOTING 152
POINTS TO REMEMBER WHEN TROUBLESHOOTING 153
SEQUENCE OF EVENTS IN TROUBLESHOOTING 154
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE 155
CHECKS BEFORE TROUBLESHOOTING 163
TROUBLESHOOTING OF ELECTRICAL SYSTEM 164
E-1 ENGINE DOES NOT START 165
TROUBLESHOOTING OF HYDRAULIC SYSTEM (H MODE) 170
TROUBLESHOOTING 171
CHECKING MACHINE BEFORE TROUBLESHOOTING 171
CHECKING HST BEFORE TROUBLESHOOTING 172
H-1 IMPOSSIBLE TO TRAVEL IN EITHER DIRECTION (FORWARD OR REVERSE) 174
H-2 IMPOSSIBLE TO TRAVEL IN ONE DIRECTION ONLY (EITHER FORWARD OR REVERSE) 175
H-3 LACKS SPEED IN BOTH DIRECTIONS (FORWARD AND REVERSE) 176
H-4 LACKS SPEED IN ONE DIRECTION ONLY (FORWARD OR REVERSE) 177
H-5 LACKS DRAWBAR PULL IN BOTH DIRECTIONS (FORWARD AND REVERSE) 177
H-6 LACKS DRAWBAR PULL IN ONE DIRECTION ONLY (FORWARD OR REVERSE) 178
H-7 ENGINE SPEED IS HIGH WHEN STARTING IN BOTH DIRECTIONS (FORWARD AND REVERSE) 178
H-8 ENGINE SPEED IS HIGH WHEN STARTING IN ONE DIRECTION ONLY (FORWARD OR REVERSE) 178
30 DISASSEMBLY AND ASSEMBLY 179
HOW TO READ THIS MANUAL 180
PRECAUTIONS WHEN CARRYING OUT OPERATION 182
SPECIAL TOOLS LIST 184
FUEL INJECTION PUMP 185
REMOVAL 185
INSTALLATION 186
ENGINE 187
REMOVAL AND INSTALLATION 187
RADIATOR 217
REMOVAL AND INSTALLATION 217
FUEL TANK 226
REMOVAL AND INSTALLATION 226
MAIN PISTON PUMP 227
REMOVAL 227
INSTALLATION 232
DISASSEMBLY AND ASSEMBLY 236
PISTON MOTOR 242
REMOVAL 242
INSTALLATION 244
DISASSEMBLY 246
ASSEMBLY 247
ENGINE AND TRANSFER 248
REMOVAL AND INSTALLATION 248
TRANSFER 276
DISASSEMBLY 276
ASSEMBLY 279
DRIVE SHAFT 283
DISASSEMBLY 283
ASSEMBLY 284
FRONT AXLE 285
REMOVAL 285
INSTALLATION 286
REAR AXLE 287
REMOVAL 287
INSTALLATION 290
DIFFERENTIALS 293
DISASSEMBLY 293
ASSEMBLY 296
AXLE HOUSINGS 307
DISASSEMBLY 307
ASSEMBLY 312
CENTER HINGE PIN 318
REMOVAL 318
INSTALLATION 325
STEERING VALVE 335
REMOVAL AND INSTALLATION 335
DISASSEMBLY 336
ASSEMBLY 339
RELIEF VALVE HOUSING SIDE OF STEERING VALVE 344
DISASSEMBLY 344
ASSEMBLY 345
STEERING CYLINDER 346
REMOVAL AND INSTALLATION 346
PARKING BRAKE 347
REMOVAL 347
INSTALLATION 349
HYDRAULIC TANK 352
REMOVAL AND INSTALLATION 352
WORK EQUIPMENT VALVE 353
REMOVAL AND INSTALLATION 353
DUMP CYLINDER 354
REMOVAL AND INSTALLATION 354
LIFT CYLINDER 355
REMOVAL AND INSTALLATION 355
HYDRAULIC CYLINDER 356
DISASSEMBLY 356
ASSEMBLY 358
WORK EQUIPMENT 360
REMOVAL 360
INSTALLATION 363
COUNTERWEIGHT 366
REMOVAL AND INSTALLATION 366
INSTRUMENTS PANEL 367
REMOVAL AND INSTALLATION 367
40 MAINTENANCE STANDARD 368
TRANSMISSION・ENGINE MOUNT 369
WORK EQUIPMENT・STEERING PUMP, HST CHARGE PUMP 370
TRANSFER 371
HST INCHING VALVE 373
DRIVE SHAFT 374
DIFFERENTIAL (1/2) 375
DIFFERENTIAL (2/2) 376
FINAL DRIVE 378
AXLE MOUNT 379
STEERING COLUMN 380
PRIORITY VALVE 381
STEERING CYLINDER MOUNT 382
BRAKE 383
HYDRAULIC CYLINDER 384
CENTER HINGE PIN 386
WORK EQUIPMENT LINKAGE 387
BUCKET POSITIONER 389
BUCKET 390
90 OTHERS 391
ELECTRICAL CIRCUIT DIAGRAM SERIAL NO 22005-26000 392
ELECTRICAL CIRCUIT DIAGRAM (1/2) SERIAL NO 26001 AND UP 393
ELECTRICAL CIRCUIT DIAGRAM (2/2) SERIAL NO 26001 AND UP 394
BACKHOE 395
CONTENTS 396
GENERAL 397
GENERAL ASSEMBLY DRAWING 397
SPECIFICATIONS 398
WEIGHT TABLE 400
STRUCTURE AND FUNCTION 401
VALVE CONTROL 401
HYDRAULIC CIRCUIT DIAGRAM 402
BACKHOE CONTROL VALVE 403
CHECK VALVE 405
WORK EQUIPMENT 407
ACTUAL ELECTRICAL WIRING DIAGRAM 408
ELECTRICAL CIRCUIT DIAGRAM 409
TESTING AND ADJUSTING 410
ADJUSTING BACKHOE SWING 410

DESCRIPTION:

Komatsu Avance Wheel Loader WA30-5 Shop Manual SEBM016503 – PDF DOWNLOAD 

MACHINE MODEL   SERIAL NUMBER
WA30-5                     22005 and up

GENERAL PRECAUTIONS :

Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.

1. Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine.
2. When carrying out any operation, always wear safety shoes and helmet. Do not wear loose work clothes, or clothes with buttons missing.
● Always wear safety glasses when hitting parts with a hammer.
● Always wear safety glasses when grinding parts with a grinder, etc.
3. If welding repairs are needed, always have a trained, experienced welder carry out the work. When carrying out welding work, always wear welding gloves, apron, glasses, cap and other clothes suited for welding work.
4. When carrying out any operation with two or more workers, always agree on the operating procedure before starting. Always inform your fellow workers before starting any step of the operation. Before starting work, hang UNDER REPAIR signs on the controls in the operator’s compartment.
5. Keep all tools in good condition and learn the correct way to use them.
6. Decide a place in the repair workshop to keep tools and removed parts. Always keep the tools and parts in their correct places. Always keep the work area clean and make sure that there is no dirt or oil on the floor. Smoke only in the areas provided for smoking. Never smoke while working.

PREPARATIONS FOR WORK:

7. Before adding oil or making repairs, park the machine on hard, level ground, and block the wheels or tracks to prevent the machine from moving.
8. Before starting work, lower blade, ripper, bucket or any other work equipment to the ground. If this is not possible, insert the safety pin or use blocks to prevent the work equipment from falling. In addition, be sure to lock all the control levers and hang warning signs on them.
9. When disassembling or assembling, support the machine with blocks, jacks or stands before starting work.
10. Remove all mud and oil from the steps or other places used to get on and off the machine. Always use the handrails, ladders or steps when getting on or off the machine. Never jump on or off the machine. If it is impossible to use the handrails, ladders or steps, use a stand to provide safe footing.

PRECAUTIONS DURING WORK :

11. When removing the oil filler cap, drain plug or hydraulic pressure measuring plugs, loosen them slowly to prevent the oil from spurting out. Before disconnecting or removing components of the oil, water or air circuits, first remove the pressure completely from the circuit.
12. The water and oil in the circuits are hot when the engine is stopped, so be careful not to get burned. Wait for the oil and water to cool before carrying out any work on the oil or water circuits.
13. Before starting work, remove the leads from the battery. ALWAYS remove the lead from the negative (-) terminal first.

IMAGES PREVIEW OF THE MANUAL:

S.V 20/12/24 

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