Komatsu Motor Grader GD705A-4 Shop Manual SEBM022105 – PDF DOWNLOAD

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Komatsu Motor Grader GD705A-4 Shop Manual SEBM022105 – PDF DOWNLOAD

FILE DETAILS:

Komatsu Motor Grader GD705A-4 Shop Manual SEBM022105 – PDF DOWNLOAD

Language : English
Pages :431
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu Motor Grader GD705A-4 Shop Manual SEBM022105 – PDF DOWNLOAD

FOREWORD
GENERAL
This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an
accurate understanding of the product and by showing him the correct way to perform repairs and make judgements.
Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service
workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further
divided into the each main group of components.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance
standards.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to
be made at completion of the checks and repairs.
Troubleshooting charts correlating “Problems” with “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component,
as well as precautions for them.
MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together

TABLE OF CONTENTS:

Komatsu Motor Grader GD705A-4 Shop Manual SEBM022105 – PDF DOWNLOAD

COVER 1
CONTENTS 2
SAFETY 5
SAFETY NOTICE 5
GENERAL PRECAUTIONS 5
PRECAUTIONS FOR WORK 5
PRECAUTIONS DURING WORK 6
FOREWARD 7
GENERAL 7
HOW TO READ THE SHOP MANUAL 8
VOLUMES 8
DISTRIBUTION AND UPDATING 8
FILING METHOD 8
REVISED EDITION MARK 8
REVISIONS 8
SYMBOLS 8
HOISTING INSTRUCTIONS 9
HOISTING 9
WIRE ROPES 9
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER 10
COATING MATERIALS 12
STANDARD TIGHTENING TORQUE 14
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS 14
TIGHTENING TORQUE OF HOSE NUTS 15
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS 15
TIGHTENING TORQUE FOR FLARED NUTS 15
TIGHTENING TORQUE FOR 102 ENGINE SERIES (BOLTS AND NUTS) 16
TIGHTENING TORQUE FOR 102 ENGINE SERIES (EYE JOINTS) 16
TIGHTENED TORQUE FOR 102 ENGINE SERIES (TAPERED SCREWS) 16
ELECTRIC WIRE CODE 17
CLASSIFICATION BY THICKNESS 17
CLASSIFICATION BY COLOR AND CODE 17
CONVERSION TABLES 18
METHOD OF USING THE CONVERSION TABLE 18
UNITS 24
01 GENERAL 25
GENERAL ASSEMBLY DRAWING 26
SPECIFICATIONS 27
WEIGHT TABLE 29
LIST OF LUBRICANT AND WATER 30
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD 33
ENGINE MOUNTING 34
RADIATOR 35
FUEL TANK PIPING 36
ACCELERATOR CONTROL 37
POWER TRAIN 38
DAMPER 40
PTO (POWER TAKE OFF) 41
HYDROSHIFT TRANSMISSION 43
HYDROSHIFT TRANSMISSION CONTROL VALVE 54
HYDROSHIFT TRANSMISSION PIPING 69
LUBRICATION RELIEF VALVE 70
TRANSMISSION PUMP 71
TRANSMISSION CONTROL 74
DRIVE SHAFT 76
FINAL DRIVE 77
TANDEM DRIVE 82
STEERING PIPING 86
STEERING WHEEL 90
STEERING VALVE (ORBIT ROLL TYPE) 91
STEERING SYSTEM 92
STEERING PUMP 99
STEERING CYLINDER102
FRONT AXLE104
WHEEL110
BRAKE PIPING112
DISC BRAKE SYSTEM114
BRAKE VALVE118
RELAY VALVE122
AIR GOVERNOR124
CHECK VALVE126
AIR RESERVOIR127
SAFETY VALVE127
PRESSURE SWITCH128
AUTOMATIC DRAIN VALVE130
AIR DRIER132
AIR COMPRESSOR134
PARKING BRAKE135
PARKING BRAKE CONTROL138
HYDRAULIC PIPING140
MAIN CONTROL VALVE146
PILOT CHECK VALVE150
DDV (DUAL DEMAND VALVE)158
FLOW DIVIDER VALVE176
HYDRAULIC PUMP178
CIRCLE ROTATION MOTOR181
HYDRAULIC CYLINDER184
WORK EQUIPMENT CONTROL194
WORK EQUIPMENT196
20 TESTING AND ADJUSTING215
STANDARD VALUE TABLE FOR ENGINE216
STANDARD VALUE TABLE FOR CHASSIS217
TESTING AND ADJUSTING221
TESTING AND ADJUSTING TOOL LIST (FOR ENGINE)222
TESTING AND ADJUSTING VALVE CLEARANCE223
MEASURING COMPRESSION PRESSURE224
MEASURING BLOW-BY225
TESTING AND ADJUSTING FAN BELT TENSION226
TESTING AND ADJUSTING FUEL INJECTION TIMING227
INCHING PEDAL STROKE AND OPERTING FORCE229
HYDROSHIFT TRANSMISSION230
TRANSMISSION CONTROL LEVER STROKE AND OPERATING FORCE232
ADJUSTING F/R CONTROL CABLE233
ADJUSTING TRANSMISSION CONTROL LINKAGE234
STEERING WHEEL236
CHECKING TIRE PLAY237
CHECKING TIRE AIR PRESSURE237
CHECKING TOE-IN238
CHECKING PARKING BRAKE LEVER STROKE AND OPERATING FORCE240
CHECKING WEAR OF BRAKE DISC241
CHECKING HYDRAULIC OIL PRESSURE242
CHECKING HYDRAULIC OIL TEMPERATURE243
WORK EQUIPMENT CONTROL LEVER STROKE AND OPERATING FORCE244
HYDRAULIC DRIFT OF BLADE244
MEASURING BLADE SINKING AMOUNT244
TROUBLESHOOTING245
POINTS TO REMEMBER WHEN TROUBLESHOOTING246
SEQUENCE OF EVENTS IN TROUBLESHOOTING247
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE248
CHECKS BEFORE TROUBLESHOOTING256
CONNECTOR TYPES AND MOUNTING LOCATIONS257
CONNECTOR TABLE FOR CONNECTOR PIN NUMBERS260
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)265
E-1 ENGINE DOES NOT START266
E-2 ELECTRIC SYSTEM DOES NOT WORK269
E-3 SERVICE METER DOES NOT WORK270
E-4 WATER TEMPERATURE GUAGE INDICATES ABNORMALLY HIGH TEMPERATURE271
E-5 WATER TEMPERATURE GUAGE DOES NOT WORK271
E-6 FUEL GUAGE ALWAYS INDICATES FULL272
E-7 FUEL GUAGE DOES NOT WORK272
E-8 ENGINE OIL PRESSURE GUAGE INDICATES ABNORMALLY HIGH PRESSURE273
E-9 ENGINE OIL PRESSURE GUAGE DOES NOT WORK273
30 DISASSEMBLY AND ASSEMBLY275
ALTERNATOR ASSEMBLY277
REMOVAL AND INSTALLATION277
STARTING MOTOR AND ASSEMBLY278
REMOVAL AND INSTALLATION278
OIL COOLER ASSMBLY278
REMOVAL AND INSTALLATION278
HYDROSHIFT TRANSMISSION OIL COOLER ASSEMBLY279
REMOVAL AND INSTALLATION279
WATER PUMP ASSEMBLY280
REMOVAL AND INSTALLATION280
FUEL INJECTION PUMP ASSEMBLY281
REMOVAL AND INSTALLATION281
AIR COMPRESSOR ASSEMBLY282
REMOVAL AND INSTALLATION282
TURBOCHARGER ASSEMBLY283
REMOVAL AND INSTALLATION283
NOZZLE HOLDER ASSEMBLY284
REMOVAL AND INSTALLATION284
CYLINDER HEAD ASSEMBLY286
REMOVAL286
INSTALLATION292
RADIATOR ASSEMBLY298
REMOVAL298
INSTALLATION300
FUEL TANK ASSEMBLY (INC HYDRAULIC TANK)302
REMOVAL302
INSTALLATION304
ENGINE ASSEMBLY (INC TRANSMISSION)306
REMOVAL306
INSTALLATION311
HYDROSHIFT TRANSMISSION ASSEMBLY318
DISASSEMBLY318
ASSEMBLY328
CAGE AND REVERSE CARRIER ASSEMBLY339
DISASSEMBLY AND ASSEMBLY339
1ST SPEED AND 2ND SPEED CARRIER ASSEMBLY340
DISASSEMBLY340
ASSEMBLY341
HIGH REVOLUTION CLUTCH ASSEMBLY342
DISASSEMBLY342
ASSEMBLY343
PLANETARY GEAR344
DISASSEMBLY AND ASSEMBLY344
HYDROSHIFT TRANSMISSION PUMP ASSEMBLY345
REMOVAL AND INSTALLATION345
TANDEM AND FINAL DRIVE ASSEMBLY346
REMOVAL346
INSTALLATION347
FINAL DRIVE ASSEMBLY348
DISASSEMBLY348
ASSEMBLY354
BEVEL GEAR ASSEMBLY362
DISASSEMBLY362
ASSEMBLY365
BEVEL PINION ASSEMBLY368
REMOVAL368
INSTALLATION369
DISASSEMBLY371
ASSEMBLY372
SPROCKET ASSEMBLY374
REMOVAL374
INSTALLATION376
CHAIN378
REMOVAL378
INSTALLATION380
FRONT AXLE ASSEMBLY382
REMOVAL382
INSTALLATION384
STEERING PUMP ASSEMBLY386
REMOVAL AND INSTALLATION386
STEERING CYLINDER ASSEMBLY387
REMOVAL AND INSTALLATION387
WHEEL BRAKE ASSEMBLY388
DISASSEMBLY388
ASSEMBLY390
HYDRAULIC TANK392
REMOVAL AND INSTALLATION392
HYDRAULIC PUMP ASSEMBLY393
REMOVAL AND INSTALLATION393
HYDRAULIC CONTROL VALVE ASSEMBLY394
REMOVAL394
INSTALLATION395
BLADE LIFT CYLINDER ASSEMBLY396
REMOVAL AND INSTALLATION396
DRAWBAR SHIFT CYLINDER ASSEMBLY397
REMOVAL AND INSTALLATION397
BLADE SIDE SHIFT CYLINDER ASSEMBLY398
REMOVAL398
INSTALLATION399
LEANING CYLINDER ASSEMBLY400
REMOVAL AND INSTALLATION400
ARTICULATE CYLINDER ASSEMBLY401
REMOVAL AND INSTALLATION401
POWER TILT CYLINDER ASSEMBLY402
REMOVAL AND INSTALLATION402
HYDRAULIC CYLINDER ASSEMBLY403
DISASSEMBLY403
ASSEMBLY406
BLADE ASSEMBLY413
REMOVAL AND INSTALLATION413
CIRCLE ROTATION GEAR AND HYDRAULIC MOTOR ASSEMBLY414
REMOVAL AND INSTALLATION414
DISASSEMBLY415
ASSEMBLY417
90 OTHERS421
HYDRAULIC CIRCUIT DIAGRAM (STD SPEC)422
HYDRAULIC CIRCUIT DIAGRAM (DDV SPEC)424
HYDROSHIFT TRANSMISSION CONTROL CIRCUIT DIAGRAM426
ELECTRICAL CIRCUIT DIAGRAM (1/2)427
ELECTRICAL CIRCUIT DIAGRAM (2/2)428
ELECTRICAL CIRCUIT DIAGRAM FOR AIR CONDITIONER429
ELECTRICAL CIRCUIT DIAGRAM FOR CAB430

IMAGES PREVIEW OF THE MANUAL:

S.M 16/12/24