Komatsu Motor Grader GD750A-1 Operation & Maintenance Manual SN 7001 and up – PDF DOWNLOAD

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Komatsu Motor Grader GD750A-1 Operation & Maintenance Manual

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Komatsu Motor Grader GD750A-1 Operation & Maintenance Manual

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Language : English
Number of Pages : 333 Pages

KOMATSU MOTOR GRADER GD750A-1 OPERATION & MAINTENANCE MANUAL SN 7001 AND UP – PDF DOWNLOAD:

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DESCRIPTION:

Komatsu Motor Grader GD750A-1 Operation & Maintenance Manual

FOREWORD:

This manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It will help the operator and maintenance personnel realize peak performance through effective, economical and safe machine operation and maintenance. Keep this manual handy and have all personnel read it periodically. If this manual is lost or becomes dirty and can not be read, request a replacement manual from your local distributor.

• If you sell the machine, be sure to give this manual to the new owner. Continuing improvements in the design of this machine can lead to changes in detail, which may not be reflected in this manual. Consult your local distributor or Komatsu America International Company for the latest available information on your machine or for questions regarding information in this manual.This manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment.
• It will help the operator and maintenance personnel realize peak performance through effective, economical and safe machine operation and maintenance. Keep this manual handy and have all personnel read it periodically. If this manual is lost or becomes dirty and can not be read, request a replacement manual from your local distributor.
• If you sell the machine, be sure to give this manual to the new owner. Continuing improvements in the design of this machine can lead to changes in detail, which may not be reflected in this manual. Consult your local distributor or Komatsu America International Company for the latest available information on your machine or for questions regarding information in this manual.

TABLE OF CONTENTS:

Komatsu Motor Grader GD750A-1 Operation & Maintenance Manual

MAIN  MENU...................................................................................................................................  0
COVER PAGE...................................................................................................................................  1
1.  FORWARD..................................................................................................................................  5
2.  SAFETY INFORMATION.......................................................................................................................  6
3.  INTRODUCTION.............................................................................................................................  7
	3.1  INTENDED USE........................................................................................................................  7
	3.2  FEATURES............................................................................................................................  7
	3.3  BREAKING IN THE MACHINE.............................................................................................................  7
4.  LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND  DISTRIBUTOR...........................................................................  8
	4.1  P.I.N. NUMBER LOCATIONS.............................................................................................................  8
	4.2  ENGINE SERIAL NO. PLATE POSITION....................................................................................................  9
	4.3  TRANSMISSION SERIAL NO. PLATE POSITION..............................................................................................  9
	4.4  REAR AXLE SERIAL NO. PLATE POSITION.................................................................................................  9
	4.5  CAB ROPS/FOBS SERIAL NO. PLATE POSITION............................................................................................. 10
	4.6  GENERAL PART NO. PLATE.............................................................................................................. 10
	4.7  TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR........................................................................................... 11
5.  TABLE OF CONTENTS........................................................................................................................ 12
SAFETY....................................................................................................................................... 20
	6.  GENERAL PRECAUTIONS.................................................................................................................. 21
	7.  PRECAUTIONS DURING OPERATION......................................................................................................... 27
		7.1  BEFORE STARTING ENGINE.......................................................................................................... 27
		7.2  OPERATING MACHINE............................................................................................................... 29
		7.3  TRANSPORTATION.................................................................................................................. 35
		7.4  BATTERY......................................................................................................................... 36
		7.5  TOWING.......................................................................................................................... 39
		7.6  TIRES........................................................................................................................... 40
	8.  PRECAUTIONS FOR MAINTENANCE.......................................................................................................... 42
		8.1  BEFORE CARRYING OUT MAINTENANCE................................................................................................. 42
		8.2  DURING MAINTENANCE.............................................................................................................. 46
	9.  POSITON FOR ATTACHING SAFETY LABELS.................................................................................................. 52
		9.1  POSITION FOR ATTACHING SAFETY LABELS............................................................................................ 52
OPERATION.................................................................................................................................... 62
	10.  GENERAL VIEW........................................................................................................................ 63
		10.1  GENERAL VIEW OF MACHINE........................................................................................................ 63
		10.2  UNIVERSAL SYMBOLS FOR INSTRUMENTS AND CONTROLS................................................................................. 64
	11.  EXPLANATION OF COMPONENTS........................................................................................................... 65
		11.1  STEERING CONSOLE CONTROLS AND GAUGES........................................................................................... 65
		11.2  RIGHT SIDE CONSOLE............................................................................................................. 73
		11.3  MISCELLANEOUS CONTROLS......................................................................................................... 75
		11.4  HEATER/AIR CONDITIONING CONTROLS............................................................................................... 78
			11.4.1  METHOD OF OPERATION...................................................................................................... 81
			11.4.2  PRECAUTIONS WHEN USING AIR CONDITIONER................................................................................... 82
			11.4.3  HANDLING DURING SEASON................................................................................................... 82
			11.4.4  HANDLING DURING OFF-SEASON............................................................................................... 82
		11.5  MISCELLANEOUS GAUGES AND VALVE................................................................................................. 83
		11.6  ACCESS COVERS, HOOD SIDES AND DOORS............................................................................................ 84
		11.7  CONTROL LEVERS AND PEDALS...................................................................................................... 87
		11.8  CAP WITH LOCK.................................................................................................................. 96
			11.8.1  METHOD OF OPENING CAP WITH LOCK.......................................................................................... 96
			11.8.2  METHOD OF CLOSING CAP WITH LOCK.......................................................................................... 96
		11.9  ARTICULATE LOCK PIN............................................................................................................ 96
		11.10  PARKING BRAKE................................................................................................................. 97
		11.11  BACKUP ALARM.................................................................................................................. 97
		11.12  CIRCUIT BREAKERS.............................................................................................................. 97
	12.  MACHINE OPERATION................................................................................................................... 99
		12.1  WALK AROUND CHECK.............................................................................................................. 99
		12.2  TOWING.........................................................................................................................102
		12.3  CHECKS BEFORE STARTING.........................................................................................................103
			12.3.1  CHECK COOLANT LEVEL, ADD COOLANT.........................................................................................104
			12.3.2  CHECK MONITOR PANEL......................................................................................................104
			12.3.3  CHECK FUEL LEVEL, ADD FUEL...............................................................................................105
			12.3..4  CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL..............................................................................105
			12.3.5  CHECK ELECTRIC WIRING....................................................................................................106
			12.3.6  DRAIN WATER AND SEDIMENT IN FUEL TANK....................................................................................106
			12.3.7  CHECK VOLTMETER..........................................................................................................107
			12.3.8  CHECK FOR SEDIMENT AND WATER IN THE WATER SEPARATOR......................................................................107
			12.3.9  CHECK LAMPS FOR SWITCHING, DIRT AND DAMAGE...............................................................................107
			12.3.10  CHECK REAR VIEW MIRROR FOR POSITIONING, DIRT AND DAMAGE.................................................................107
			12.3.11  CHECK HORN AND BACKUP ALARM.............................................................................................107
			12.3.12  DO THE INTRUMENTS FUNCTION NORMALLY.....................................................................................107
			12.3.13  CHECK THE SEAT BELT FOR NORMAL FUNCTION.................................................................................107
			12.3.14  CHECK THE DOOR LOCKS FOR NORMAL FUNCTION................................................................................107
			12.3.15  CHECK THE WINDSHIELD WIPER, WINDOW WASHER AND DEFROSTER FOR NORMAL FUNCTION.  CHECK FOR SUFFICIENT WASHER FLUID LEVE....108
			12.3.16  CHECK FOR MISSING GUARDS, OR PROTECTIVE EQUIPMENT.  DO NOT OPERATE UNIT IF ANY ARE MISSING..............................108
			12.3.17  GENERAL SAFETY..........................................................................................................108
		12.4  REMOVAL OF ARTICULATION PIN....................................................................................................108
		12.5  ENTERING OPERATOR'S CAB........................................................................................................108
		12.6  ADJUSTMENTS BEFORE OPERATION...................................................................................................109
			12.6.1  ADJUST OPERATOR'S SEAT...................................................................................................109
			12.6.2  SEAT BELT................................................................................................................110
			12.6.3  ADJUSTING POSITION OF STEERING WHEEL AND GAUGE PANEL.....................................................................111
			12.6.4  ADJUSTING MIRRORS........................................................................................................111
		12.7  OPERATIONS AND CHECKS BEFORE STARTING ENGINE...................................................................................112
		12.8  STARTING ENGINE................................................................................................................114
			12.8.1  NORMAL STARTING..........................................................................................................114
			12.8.2  STARTING IN COLD WEATHER: USING ETHER INJECTOR (OPTIONAL)................................................................115
			12.8.3  STARTING PROCEDURES AFTER EXTENDED SHUTDOWN OR OIL CHANGE................................................................117
			12.8.4  STARTING PROCEDURES AFTER CHANGING FUEL FILTERS..........................................................................117
			12.8.5  STARTING PROCEDURES AFTER RUNNING OUT OF FUEL............................................................................118
		12.9  OPERATIONS AND CHECKS AFTER STARTING ENGINE....................................................................................119
			12.9.1  ENGINE WARM UP...........................................................................................................119
			12.9.2  WHILE WARMING UP - ENGINE RUNNING ABOVE IDLE.............................................................................119
			12.9.3  COLD WEATHER START UP....................................................................................................120
			12.9.4  HYDRAULIC SYSTEM COLD WEATHER START UP...................................................................................120
		12.10  TRAVELING POSTURE FOR MACHINE.................................................................................................121
		12.11  MOVING MACHINE................................................................................................................122
		12.12  SHIFTING GEARS................................................................................................................123
			12.12.1  ACCELERATION............................................................................................................123
			12.12.2  DECELERATION............................................................................................................123
		12.13  SHIFTING BETWEEN FORWARD AND REVERSE..........................................................................................124
		12.14  STOPPING MACHINE..............................................................................................................125
		12.15  TURNING MACHINE...............................................................................................................126
			12.15.1  LEANING OPERATION.......................................................................................................126
			12.15.2  ARTICULATING OPERATION..................................................................................................127
		12.16  OPERATING WORK EQUIPMENT......................................................................................................128
			12.16.1  OPERATING BLADE.........................................................................................................128
			12.16.2  OPERATING DRAWBAR SIDE SHIFT............................................................................................131
			12.16.3  OPERATING RIPPER........................................................................................................132
			12.16.4  PROPULSION ANGLE OF BLADE...............................................................................................132
			12.16.5  RH & LH 90 DEGREE BLADE SUSPENSION......................................................................................133
		12.17  WORK APPLICATION..............................................................................................................135
			12.17.1  LEVELING GROUND TO RIGHT................................................................................................135
			12.17.2  LEVELING GROUND TO LEFT.................................................................................................136
			12.17.3  DIGGING RIGHT V-DITCHES.................................................................................................137
			12.17.4  DIGGING LEFT V-DITCHES..................................................................................................139
		12.18  RIGHT DITCH FINISHING.........................................................................................................141
		12.19  LEFT DITCH FINISHING..........................................................................................................142
		12.20  FINISHING RIGHT ROAD SHOULDER.................................................................................................143
		12.21  FINISHING LEFT ROAD SHOULDER..................................................................................................143
		12.22 CONSTRUCTING ROAD - METHOD OF MAKING V-DITCH...................................................................................144
		12.23  FLAT-BOTTOM DITCH.............................................................................................................148
		12.24  CONSTRUCTING ROAD - METHOD FOR MAKING FLAT BOTTOM DITCH.......................................................................150
		12.25  FINISHING WITH GRADER FOR DITCHES WHERE WET ROAD SHOULDER IS LOOSE............................................................153
		12.26  LEVELING 3:1 SLOPE FACE.......................................................................................................153
		12.27  BANK CUTTING METHOD - RIGHT SIDE..............................................................................................153
		12.28  EXTREME SIDE REACH............................................................................................................157
		12.29  RIPPER OPERATIONS - WITH FRAME STRAIGHT.......................................................................................158
		12.30  PRECAUTIONS FOR OPERATION.....................................................................................................159
			12.30.1  PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS.............................................................................159
			12.30.2  PRECAUTIONS WHEN USING ARTICULATED STEERING.............................................................................159
			12.30.3  PRECAUTIONS WHEN TRAVELING ON ROADS.....................................................................................160
			12.30.4  CAUTIONS IN OPERATION OF WORK EQUIPMENT.................................................................................160
		12.31  ADJUSTING WORK EQUIPMENT POSTURE..............................................................................................160
			12.31.1  BLADE PROTRUSION........................................................................................................160
		12.32  PARKING MACHINE...............................................................................................................161
		12.33  CHECK AFTER FINISHING WORK....................................................................................................162
		12.34  STOPPING ENGINE...............................................................................................................162
		12.35  CHECK AFTER STOPPING ENGINE...................................................................................................163
		12.36  LOCKING.......................................................................................................................163
		12.37  TIRES.........................................................................................................................164
			12.37.1  PRECAUTIONS WHEN HANDLING TIRES.........................................................................................164
			12.37.2  DIRECTION OF TIRE TREADS................................................................................................164
			12.37.3  TIRE MATCHING...........................................................................................................164
		12.38  BLADE ACCUMULATOR.............................................................................................................165
			12.38.1  OPERATION...............................................................................................................165
			12.38.2  FEATURES................................................................................................................166
		12.39  HANDLING BLADE FLOAT..........................................................................................................166
			12.39.1  OPERATION...............................................................................................................166
			12.39.2  FEATURES................................................................................................................167
	13.  TRANSPORTATION......................................................................................................................168
		13.1  GENERAL........................................................................................................................170
			13.1.1  TRUCK....................................................................................................................170
			13.1.2  RAILROAD FLATCAR.........................................................................................................170
			13.1.3  DRIVING..................................................................................................................170
		13.2  MOVING A DISABLED MACHINE......................................................................................................171
		13.3  METHODS OF TOWING..............................................................................................................171
			13.3.1  METHOD ONE...............................................................................................................172
			13.3.2  METHOD TWO...............................................................................................................173
			13.3.3  METHOD THREE.............................................................................................................173
	14.  OPERATION UNDER UNUSUAL CONDITIONS..................................................................................................175
		14.1  OPERATION IN EXTREME COLD......................................................................................................175
			14.1.1  COLD WEATHER STARTING AID (OPTIONAL).....................................................................................176
			14.1.2  ENGINE BLOCK HEATER (OPTIONAL)...........................................................................................177
		14.2  BATTERY........................................................................................................................177
			14.2.1  CHARGING.................................................................................................................178
			14.2.2  AFTER CHARGING...........................................................................................................179
		14.3  AFTER COLD WEATHER.............................................................................................................179
		14.4  OPERATION IN EXTREME HEAT......................................................................................................179
		14.5  OPERATION IN DUSTY OR SANDY AREAS..............................................................................................180
		14.6  OPERATION IN RAINY OR HUMID CONDITIONS.........................................................................................181
		14.7  OPERATION IN SALT WATER AREAS..................................................................................................181
		14.8  OPERATION AT HIGH ALTITUDES....................................................................................................182
	15.  MACHINE STORAGE.....................................................................................................................183
		15.1  PREPARING FOR STORAGE..........................................................................................................183
		15.2  SERVICING MACHINE DURING STORAGE...............................................................................................186
			15.2.1  ONE-MONTH REPETITIVE SERVICE PERIOD......................................................................................186
			15.2.2  SIX MONTH REPETITIVE SERVICE PERIOD......................................................................................186
		15.3  PREPARING FOR OPERATION........................................................................................................187
		15.4  ROLLOVER PROTECTIVE STRUCTURE..................................................................................................188
		15.5  THEFT DETERRENT PRACTICES......................................................................................................189
			15.5.1  ACTION TO DISCOURAGE THEFT AND VANDALISM.................................................................................189
			15.5.2  ACTIONS TO AID IN RECOVERY OF STOLEN MACHINES............................................................................189
	16.  TROUBLESHOOTING.....................................................................................................................191
		16.1  ETHER STARTING.................................................................................................................191
			16.1.1  FLUID CYLINDER...........................................................................................................191
			16.1.2  ATOMIZERS................................................................................................................191
			16.1.3  TUBING...................................................................................................................191
			16.1.4  ELECTRIC VALVE...........................................................................................................192
			16.1.5  REASSEMBLY...............................................................................................................192
		16.2  AFTER RUNNING OUT OF FUEL......................................................................................................192
		16.3  WHEN LEANING PIPING IS DAMAGED.................................................................................................193
			16.3.1  HOW TO USE LEANING STOPPER...............................................................................................193
		16.4  IF BATTERY IS DISCHARGED.......................................................................................................194
			16.4.1  STARTING ENGINE WITH BOOSTER CABLE.......................................................................................195
		16.5  OTHER TROUBLE..................................................................................................................197
			16.5.1  ELECTRICAL SYSTEM........................................................................................................197
			16.5.2  CHASSIS..................................................................................................................198
			16.5.3  ENGINE...................................................................................................................201
			16.5.4  INSTRUMENT PANEL.........................................................................................................203
			16.5.5  FAULT CODES EXPLANATION..................................................................................................206
			16.5.6  SHIFT LEVER ERROR CODES..................................................................................................219
MAINTENANCE..................................................................................................................................220
	17.  GUIDES TO MAINTENANCE...............................................................................................................221
	18.  OUTLINES OF SERVICE.................................................................................................................224
		18.1  OUTLINE OF OIL, FUEL, COOLANT..................................................................................................224
			18.1.1  OIL......................................................................................................................224
			18.1.2  FUEL.....................................................................................................................225
			18.1.3  COOLANT..................................................................................................................225
			18.1.4  GREASE...................................................................................................................226
			18.1.5  STORING OIL AND FUEL.....................................................................................................226
			18.1.6  FILTERS..................................................................................................................226
		18.2  RELATING TO ELECTRIC SYSTEM....................................................................................................227
			18.2.1  BATTERIES................................................................................................................228
			18.2.2  BATTERY - GENERAL MAINTENANCE............................................................................................229
			18.2.3  CLEANING THE BATTERIES...................................................................................................230
			18.2.4  CONVENTIONAL ANTIMONY (LEAD-ACID) BATTERY................................................................................230
			18.2.5  LOW MAINTENANCE BATTERY..................................................................................................230
			18.2.6  MAINTENANCE FREE BATTERY.................................................................................................230
			18.2.7  BATTERY CHARGING.........................................................................................................230
	19.  WEAR PARTS LIST.....................................................................................................................237
	20.  FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE.......................................................................239
		20.1  PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS...............................................................................239
		20.2  ENGINE OIL SPECIFICATIONS......................................................................................................241
			20.2.1  NORMAL OPERATION.........................................................................................................241
			20.2.2  ARCTIC OPERATION.........................................................................................................242
		20.3  TRANSMISSION, TORQUE CONVERTER AND OIL COOLER, TANDEM DRIVE CASES..............................................................242
		20.4  HYDRAULIC SYSTEM OIL SPECIFICATIONS............................................................................................242
		20.5  REAR DRIVE AXLE AND CIRCLE DRIVE BRAKE HOUSING OIL SPECIFICATIONS..............................................................242
		20.6  DIESEL FUEL SPECIFICATIONS.....................................................................................................242
		20.7  COOLANT SPECIFICATIONS.........................................................................................................243
			20.7.1  GENERAL..................................................................................................................243
			20.7.2 ANTIFREEZE................................................................................................................244
			20.7.3  SUPPLEMENTAL COOLANT ADDITIVES...........................................................................................245
		20.8  CIRCLE DRIVE GEAR CASE OIL SPECIFICATIONS (HDTF)...............................................................................250
	21  STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS.......................................................................................251
		21.1  INTRODUCTION OF NECESSARY TOOLS................................................................................................251
		21.2  TORQUE VALUES FOR STANDARD METRIC FASTENERS....................................................................................252
		21.3  TORQUE VALUES FOR STANDARD ENGLISH FASTENERS...................................................................................253
			21.3.1  TYPE 1, 5 AND 8 NON-PHOSPHATE COATED HARDWARE............................................................................253
			21.3.2  TYPE 8 PHOSPHATE COATED HARDWARE.........................................................................................254
			21.3.3  TORQUE VALUES FOR HOSE CLAMPS............................................................................................255
			21.3.4  TORQUE VALUES FOR SPLIT FLANGE CONNECTIONS...............................................................................255
			21.3.5  O-RING FACE SEAL FITTING TORQUE..........................................................................................256
	22.  PERIODIC REPLACEMENT OF CRITICAL PARTS..............................................................................................257
	23.  MAINTENANCE SCHEDULE CHART..........................................................................................................258
		23.1  MAINTENANCE SCHEDULE CHART.....................................................................................................258
	24.  SERVICE PROCEDURES..................................................................................................................263
		24.1  PERIODIC SERVICE CHART.........................................................................................................264
		24.2  WHEN REQUIRED..................................................................................................................265
			24.2.1  ETHER STARTING AID.......................................................................................................265
			24.2.2  CIRCUIT BREAKERS.........................................................................................................265
			24.2.3  REVERSE AND REPLACE THE END BITS AND CUTTING EDGES.......................................................................265
			24.2.4  REPLACING RIPPER TOOTH...................................................................................................266
			24.2.5  MOLDBOARD SLIDE..........................................................................................................267
			24.2.6  CHECK CIRCLE GUIDE CLEARANCE, ADJUST.....................................................................................267
			24.2.7  MOLDBOARD ACCUMULATOR (IF EQUIPPED)......................................................................................271
			24.2.8  WIPER BLADES.............................................................................................................271
			24.2.9  CIRCLE SLIP CLUTCH, LEVEL AND FILL PLUGS.................................................................................271
			24.2.10  CIRCLE REVERSE GEAR CASE - WET TYPE BRAKE ADJUSTING.....................................................................272
			24.2.11  INCHING PEDAL - INSPECTING..............................................................................................272
			24.2.12  TRANSMISSION CLUTCH - CALIBRATION.......................................................................................273
			24.2.13  TORQUE CONVERTER LOCK UP - CHECK........................................................................................273
		24.3  CHECK BEFORE STARTING ENGINE...................................................................................................274
		24.4  EVERY SHIFT/10 HOURS SERVICE...................................................................................................275
			24.4.1  BRAKES - CHECK...........................................................................................................275
			24.4.2  WARNING LIGHT - CHECK....................................................................................................275
			24.4.3  GAUGES - CHECK...........................................................................................................275
			24.4.4  BACKUP ALARM - CHECK.....................................................................................................275
			24.4.5  OPERATIONAL LIGHTS - CHECK...............................................................................................275
			24.4.6  RADIATOR COOLANT LEVEL - CHECK...........................................................................................276
			24.4.7  RADIATOR DEBRIS - CHECK..................................................................................................277
			24.4.8  FUEL/WATER SEPARATOR - DRAIN.............................................................................................277
			24.4.9  FUEL TANK FUEL/WATER TRAP - DRAIN........................................................................................277
			24.4.10  FUEL TANK - CHECK.......................................................................................................278
			24.4.11  ENGINE AIR CLEANER - CHECK..............................................................................................278
			24.4.12  TRANSMISSION OIL LEVEL TRANSMISSION DIPSTICK............................................................................281
			24.4.13  HYDRAULIC OIL TANK LEVEL HYDRAULIC OIL TANK SIGHT GAGE..................................................................282
			24.4.14  BLADE SLIDE RAILS.......................................................................................................282
			24.4.15  ENGINE OIL DIPSTICK & FILL CAP..........................................................................................283
			24.4.16  CIRCLE TEETH............................................................................................................283
			24.4.17  CIRCLE TOP & BOTTOM.....................................................................................................283
			24.4.18  ENGINE FAN BLADE........................................................................................................284
		24.5  EVERY 50 MAN HOURS/WEEKLY SERVICE..............................................................................................285
			24.5.1  AXLE AND FRONT STEERING LINKAGE..........................................................................................285
			24.5.2  STEERING LINKAGE & CYLINDER PINS.........................................................................................285
			24.5.3  THE ROD & LEANING WHEEL ROD CYLINDER.....................................................................................286
			24.5.4  DRAWBAR BALL JOINT.......................................................................................................286
			24.5.5  ARTICULATION BEARINGS....................................................................................................287
			24.5.6  RIPPER LINKAGE...........................................................................................................287
			24.5.7  CIRCLE REVERSE CASE OIL LEVEL............................................................................................288
			24.5.8  CAB AIR FILTERS (IF EQUIPPED)............................................................................................288
			24.5.9  TIRES....................................................................................................................288
			24.5.10  TANDEM CASES, BREATHER..................................................................................................289
			24.5.11 TANDEM CASES, FILL PLUG..................................................................................................289
			24.5.12  TANDEM CASES, OIL LEVEL PLUG............................................................................................289
			24.5.13  HYDRAULIC OIL FILTER....................................................................................................289
			24.5.14  TRANSMISSION FILTER.....................................................................................................290
			24.5.15  BATTERY.................................................................................................................291
			24.5.16  MACHINE.................................................................................................................291
		24.6  100 HOURS INITIAL SERVICE......................................................................................................292
			24.6.1  LOCK/UNLOCK AXLE FILTER..................................................................................................292
			24.6.2  REAR AXLE, SUCTION SCREEN................................................................................................292
			24.6.3  REAR AXLE DIFFERENTIAL...................................................................................................292
		24.7  EVERY 250 HOURS/MONTHLY SERVICE................................................................................................293
			24.7.1  AIR INTAKE HOSES & CLAMPS................................................................................................293
			24.7.2 COOLANT SYSTEM HOSES & CLAMPS.............................................................................................293
			24.7.3  REAR AXLE, OIL LEVEL.....................................................................................................293
			24.7.4   ENGINE OIL & FILTER CHANGE..............................................................................................294
			24.7.5  COOLANT CORROSION RESISTER CARTRIDGE.....................................................................................295
			24.7.6  CIRCLE REVERSE CASE BREATHER.............................................................................................295
			24.7.7  CONTROL LEVER LINKAGES...................................................................................................295
			24.7.8  CONTROL VALVE LINKAGES...................................................................................................296
			24.7.9  BRAKE ACCUMULATOR GAS PRESSURE...........................................................................................296
			24.7.10  BANK CONTROL GUIDE......................................................................................................296
			24.7.11  RIPPER CYLINDERS (IF EQUIPPED)..........................................................................................296
			24.7.12  LIFT CYLINDER CAP.......................................................................................................297
			24.7.13  LIFT CYLINDER TRUNNIONS.................................................................................................297
			24.7.14  LIFT CYLINDER TRUNNION SHAFTS...........................................................................................297
			24.7.15  CIRCLE SIDE SHIFT CYLINDER..............................................................................................297
			24.7.16  BLADE PITCH CYLINDER....................................................................................................298
			24.7.17  ARTICULATION CYLINDERS..................................................................................................298
			24.7.18  WHEEL HUB BOLTS.........................................................................................................298
			24.7.19  WHEEL BRAKE.............................................................................................................299
			24.7.20  AIR CONDITIONER BELT....................................................................................................300
		24.8  EVERY 500 HOUR/THREE MONTHS SERVICE............................................................................................301
			24.8.1  COOLANT PROTECTION.......................................................................................................301
			24.8.2  FUEL FILTER..............................................................................................................301
			24.8.3  PARKING BRAKE............................................................................................................303
			24.8.4  FUEL TANK, FILTER SCREEN (STRAINER)......................................................................................303
			24.8.5  TRANSMISSION FILTER......................................................................................................303
			24.8.6  WHEEL BRAKE..............................................................................................................303
			24.8.7  BLADE ACCUMULATORS.......................................................................................................303
		24.9  EVERY 1000 HOURS/SIX MONTHS SERVICE............................................................................................304
			24.9.1  DRAWBAR, FRONT BALL JOINT................................................................................................304
			24.9.2  ROPS MOUNT BOLTS.........................................................................................................304
			24.9.3  HYDRAULIC OIL FILTER.....................................................................................................304
			24.9.4  TRANSMISSION OIL.........................................................................................................304
			24.9.5  DRIVE SHAFT..............................................................................................................305
			24.9.6  LOCK/UNLOCK AXLE FILTER..................................................................................................305
			24.9.7  FRONT WHEEL BEARING......................................................................................................306
			24.9.8  TOE-IN...................................................................................................................306
			24.9.9  ENGINE DRIVE & ALTERNATOR BELTS..........................................................................................308
			24.9.10  FAN BELT................................................................................................................309
			24.9.11  ALTERNATOR BELT.........................................................................................................310
			24.9.12  AIR CONDITIONER BELT....................................................................................................310
		24.10  EVERY 1500 HOURS SERVICE......................................................................................................311
			24.10.1  ENGINE VALVES AND INJECTORS.............................................................................................311
			24.10.2  TURBOCHARGER MOUNTING NUTS..............................................................................................311
			24.10.3  ENGINE MOUNT BOLTS......................................................................................................311
			24.10.4  WATER PUMP..............................................................................................................311
			24.10.5  ENGINE..................................................................................................................311
		24.11  EVERY 2000 HOUR/ONE YEAR SERVICE..............................................................................................312
			24.11.1  TANDEM DRIVE CASE.......................................................................................................312
			24.11.2  HYDRAULIC TANK RETURN FILTER AND SUCTION STRAINER.......................................................................313
			24.11.3  HYDRAULIC TANK..........................................................................................................314
			24.11.4  HYDRAULIC TANK FILTER BREATHER CAP......................................................................................317
			24.11.5  REAR AXLE...............................................................................................................317
			24.11.6  CIRCLE DRIVE............................................................................................................317
			24.11.7  FRONT WHEEL BEARING.....................................................................................................317
			24.11.8  LOCK/UNLOCK OF SUCTION SCREEN...........................................................................................318
			24.11.19  VALVES & INJECTORS.....................................................................................................318
			24.11.10  CAB PRESSURIZER FILTER.................................................................................................319
			24.11.11  ACCUMULATORS...........................................................................................................319
			24.11.12  BATTERIES..............................................................................................................319
		24.12  EVERY 4000 HOURS/TWO YEAR SERVICE.............................................................................................320
			24.12.1  RADIATOR COOLANT........................................................................................................320
			24.12.2  REFRIGERANT (GAS) IN AIR CONDITIONER CHECKING LEVEL.....................................................................324
		24.13  EVERY 6000 HOURS/THREE YEAR SERVICE...........................................................................................326
			24.13.1  INJECTORS...............................................................................................................326
			24.13.2  FUEL PUMP...............................................................................................................326
			24.13.3  TURBOCHARGER............................................................................................................326
			24.13.4  FAN HUB.................................................................................................................326
			24.13.5  IDLER PULLEY............................................................................................................326
			24.13.6  VIBRATION DAMPER........................................................................................................326
SPECIFICATIONS...............................................................................................................................328
	25.  GD750A-1............................................................................................................................329
		25.1  WEIGHT.........................................................................................................................330
		25.2  TRANSMISSION AND TORQUE CONVERTER PERFORMANCE..................................................................................330
		25.3  LIQUID CAPACITIES..............................................................................................................330
		25.4  ENGINE.........................................................................................................................331
		25.5  HYDRAULIC......................................................................................................................331
		25.6  CIRCLE.........................................................................................................................331
		25.7  DRAWBAR........................................................................................................................332
		25.8  MOLDBOARD......................................................................................................................332
		25.9  BLADE RANGE....................................................................................................................332
		25.10  FRONT AXLE....................................................................................................................332
		25.11  AXLE REAR.....................................................................................................................333
		25.12  STEERING......................................................................................................................333
		25.13  TANDEM DRIVE..................................................................................................................333
		25.14  WHEELS, FRONT AND REAR........................................................................................................333
		25.15  BRAKES........................................................................................................................333
		25.16  OPERATOR'S COMPARTMENT........................................................................................................333

PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]