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Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 PDF
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Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 PDF

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Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 – PDF DOWNLOAD

Serial Number 23114 and up

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Description

Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 – PDF DOWNLOAD

FILE DETAILS:

Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 – PDF DOWNLOAD 

Language : English
Pages : 385
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 – PDF DOWNLOAD 

Serial Number 23114 and up

COVER 1
01 GENERAL 22
GENERAL ASSEMBLY DRAWING 23
SPECIFICATIONS 24
WEIGHT TABLE 26
LIST OF LUBRICANT AND WATER 27
10 STRUCTURE AND FUNCTION 29
ENGINE MOUNTING 30
ENGINE・TRANSMISSION HEATER 31
RADIATOR 32
RADIATOR SHUTTER 33
HYDRAULIC TANK 34
FUEL TANK PIPING 35
ACCELERATOR CONTROL 36
POWER TRAIN 37
DAMPER 39
PTO 40
HYDROSHFT TRANSMISSION 42
HYDROSHFT TRANSMISSION CONTROL VALVE 53
HYDROSHFT TRANSMISSION PIPING 67
LUBRICATION RELIEF VALVE 68
TRANSMISSION PUMP 69
TRANSMISSION CONTROL 71
DRIVE SHAFT 73
FINAL DRIVE 74
TANDEM DRIVE 78
STEERING PIPING 81
STEERING WHEEL 85
STEERING VALVE 86
STEERING SYSTEM 87
STEERING PUMP 93
STEERING CYLINDER 95
FRONT AXLE 97
WHEEL 103
BRAKE PIPING 105
DISC BRAKE SYSTEM 107
BRAKE VALVE 111
RELAY VALVE 115
AIR GOVERNOR 117
CHECK VALVE 119
AIR RESERVOIR 120
SAFETY VALVE 120
PRESSURE SWITCH 121
AUTOMATIC DRAIN VALVE 123
AIR DRIER 125
AIR COMPRESSOR 127
PARKING BRAKE 128
PARKING BRAKE CONTROL 130
HYDRAULIC PIPING 131
MAIN CONTROL VALVE 135
PILOT CHECK VALVE 139
HYDRAULIC PUMP 146
CIRCLE ROTATION MOTOR 148
HYDRAULIC CYLINDER 151
WORK EQUIPMENT CONTROL 161
WORK EQUIPMENT 163
20 TESTING AND ADJUSTING 176
STANDARD VALUE TABLE FOR ENGINE 177
STANDARD VALUE TABLE FOR CHASSIS 178
TESTING AND ADJUSTING 181
TESTING AND ADJUSTING TOOL LIST (FOR ENGINE) 182
TESTING AND ADJUSTING VALVE CLEARANCE 183
MEASURING COMPRESSION PRESSURE 184
MEASURING BLOW-BY 185
TESTING AND ADJUSTING FAN BELT TENSION 186
TESTING AND ADJUSTING FUEL INJECTION TIMING 187
INCHING PEDAL STROKE AND OPERATING FORCE 189
HYDROSHIFT TRANSMISSION 190
TRANSMISSION CONTROL LEVER STROKE AND OPERATING FORCE 192
ADJUSTING F/R CONTROL CABLE 193
ADJUSTING TRANSMISSION CONTROL LINKAGE 194
STEERING WHEEL 196
CHECKING TIRE PLAY 197
CHECKING TIRE AIR PRESSURE 197
CHECKING TOE-IN 198
CHECKING PARKING BRAKE LEVER STROKE AND OPERATING FORCE 200
CHECKING WEAR OF BRAKE DISC 201
CHECKING HYDRAULIC OIL PRESSURE 202
CHECKING HYDRAULIC OIL TEMPERATURE 203
WORK EQUIPMENT CONTROL LEVER STROKE AND OPERATING FORCE 204
HYDRAULIC DRIFT OF BLADE 204
MEASURING BLADE SINKING AMOUNT 204
TROUBLESHOOTING 205
POINTS TO REMEMBER WHEN TROUBLESHOOTING 206
SEQUENCE OF EVENTS IN TROUBLESHOOTING 207
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE 208
CHECKS BEFORE TROUBLESHOOTING 216
CONNECTOR TYPES AND MOUNTING LOCATIONS 217
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS 220
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE) 224
E-1 ENGINE DOES NOT START 225
E-2 ELECTRIC SYSTEM DOES NOT WORK 228
E-3 SERVICE METER DOES NOT WORK 229
E-4 WATER TEMPERATURE GAUGE INDICATES ABNORMALLY HIGH TEMPERATURE 230
E-5 WATER TEMPERATURE GAUGE DOES NOT WORK 230
E-6 FUEL GAUGE ALWAYS INDICATES FULL 231
E-7 FUEL GAUGE DOES NOT WORK 231
E-8 ENGINE OIL PRESSURE GAUGE INDICATES ABNORMALLY HIGH PRESSURE 232
E-9 ENGINE OIL PRESSURE GAUGE DOES NOT WORK 232
30 DISASSEMBLY AND ASSEMBLY 233
ALTERNATOR ASSEMBLY 235
REMOVAL AND INSTALLATION 235
STARTING MOTOR ASSEMBLY 236
REMOVAL AND INSTALLATION 236
OIL COOLER ASSEMBLY 236
REMOVAL AND INSTALLATION 236
HYDROSHIFT TRANSMISSION OIL COOLER ASSEMBLY 237
REMOVAL AND INSTALLATION 237
WATER PUMP ASSEMBLY 238
REMOVAL AND INSTALLATION 238
FUEL INJECTION PUMP ASSEMBLY 239
REMOVAL AND INSTALLATION 239
AIR COMPRESSOR ASSEMBLY 240
REMOVAL AND INSTALLATION 240
TURBOCHARGER ASSEMBLY 241
REMOVAL AND INSTALLATION 241
NOZZLE HOLDER ASSEMBLY 242
REMOVAL AND INSTALLATION 242
CYLINDER HEAD ASSEMBLY 243
REMOVAL 243
INSTALLATION 249
RADIATOR ASSEMBLY 255
REMOVAL 255
INSTALLATION 257
FUEL TANK ASSEMBLY (HYDRAULIC TANK AND FUEL TANK ARE FORMED IN ONE BODY) 259
REMOVAL 259
INSTALLATION 261
ENGINE ASSEMBLY (INCL TRANSMISSION) 263
REMOVAL 263
INSTALLATION 269
HYDROSHIFT TRANSMISSION ASSEMBLY 276
DISASSEMBLY 276
ASSEMBLY 287
CAGE AND REVERSE CARRIER ASSEMBLY 298
DISASSEMBLY AND ASSEMBLY 298
1ST SPEED AND 2ND SPEED CARRIER ASSEMBLY 299
DISASSEMBLY 299
ASSEMBLY 300
HIGH REVOLUTION CLUTCH ASSEMBLY 301
DISASSEMBLY 301
ASSEMBLY 302
PLANETARY GEAR 303
DISASSEMBLY AND ASSEMBLY 303
HYDROSHIFT TRANSMISSION PUMP ASSEMBLY 304
REMOVAL AND INSTALLATION 304
TANDEM AND FINAL DRIVE ASSEMBLY 305
REMOVAL 305
INSTALLATION 306
FINAL DRIVE ASSEMBLY 307
DISASSEMBLY 307
ASSEMBLY 313
BEVEL GEAR ASSEMBLY 320
DISASSEMBLY 320
ASSEMBLY 323
BEVEL PINION ASSEMBLY 326
REMOVAL 326
INSTALLATION 327
DISASSEMBLY 329
ASSEMBLY 330
SPROCKET ASSEMBLY 331
REMOVAL 331
INSTALLATION 333
CHAIN 335
REMOVAL 335
INSTALLATION 337
FRONT AXLE ASSEMBLY 339
REMOVAL 339
INSTALLATION 341
STEERING PUMP ASSEMBLY 343
REMOVAL AND INSTALLATION 343
STEERING CYLINDER ASSEMBLY 344
REMOVAL AND INSTALLATION 344
WHEEL BRAKE ASSEMBLY 345
DISASSEMBLY 345
ASSEMBLY 347
HYDRAULIC TANK ASSEMBLY 349
REMOVAL AND INSTALLATION 349
HYDRAULIC PUMP ASSEMBLY 350
REMOVAL AND INSTALLATION 350
HYDRAULIC CONTROL VALVE ASSEMBLY 351
REMOVAL 351
INSTALLATION 352
BLADE LIFT CYLINDER ASSEMBLY 353
REMOVAL AND INSTALLATION 353
DRAWBAR SHIFT CYLINDER ASSEMBLY 354
REMOVAL AND INSTALLATION 354
BLADE SIDE SHIFT CYLINDER ASSEMBLY 355
REMOVAL 355
INSTALLATION 356
LEANING CYLINDER ASSEMBLY 357
REMOVAL AND INSTALLATION 357
ARTICULATE CYLINDER ASSEMBLY 358
REMOVAL AND INSTALLATION 358
POWER TILT CYLINDER ASSEMBLY 359
REMOVAL AND INSTALLATION 359
HYDRAULIC CYLINDER ASSEMBLY 360
DISASSEMBLY 360
ASSEMBLY 363
BLADE ASSEMBLY 370
REMOVAL AND INSTALLATION 370
CIRCLE ROTATION GEAR AND HYDRAULIC OIL MOTOR ASSEMBLY 371
REMOVAL AND INSTALLATION 371
DISASSEMBLY 372
ASSEMBLY 374
90 OTHERS 377
HYDRAULIC CIRCUIT DIAGRAM 378
HYDROSHIFT TRANSMISSION CONTROL CIRCUIT DIAGRAM 380
ELECTRICAL CIRCUIT DIAGRAM (1/2) 381
ELECTRICAL CIRCUIT DIAGRAM (2/2) 382
ELECTRICAL CIRCUIT DIAGRAM FOR AIR CONDITIONER 383
ELECTRICAL CIRCUIT DIAGRAM FOR CAB 384
CAR HEATER ASS’Y 385

DESCRIPTION:

Komatsu GD705A-4 Motor Grader Shop Manual SEBMW01300 – PDF DOWNLOAD 

Serial Number 23114 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:

1. 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.
2. 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.
3. When disassembling or assembling, support the machine with blocks, jacks or stands before starting work.
4. 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 :

1. 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.
2. 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.
3. 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 22/12/24 

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