KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001001 – PDF DOWNLOAD

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KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001001 – PDF DOWNLOAD

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KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001001 – PDF DOWNLOAD

Language : English
Pages : 502
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001001 – PDF DOWNLOAD

COVER........................................................................................  1
	CONTENTS.................................................................................  3
	LIST OF REVISED PAGES....................................................................  5
	SAFETY...................................................................................  7
	FOREWORD.................................................................................  9
	HOW TO READ THE SHOP MANUAL.............................................................. 10
	HOISTING INSTRUCTIONS.................................................................... 11
	STANDARD TIGHTENING TORQUE............................................................... 12
	COATING MATERIALS........................................................................ 14
	ELECTRIC................................................................................. 15
	WEIGHT TABLE............................................................................. 16
	TABLE OF OIL  AND COOLANT QUANTITIES..................................................... 17
	CONVERSION TABLE......................................................................... 19
	10. STRUCTURE AND FUNCTION............................................................... 29
		POWER TRAIN.......................................................................... 30
		TRANSMISSION......................................................................... 32
		DRIVE SHAFTS......................................................................... 36
		CONTROL VALVE BLOCK.................................................................. 38
		FRONT AXLE........................................................................... 40
		REAR AXLE............................................................................ 43
		HYDRAULIC PUMP....................................................................... 48
		STEERING UNIT........................................................................ 69
		HYDRAULIC CIRCUIT.................................................................... 71
		SHOVEL CONTROL VALVE................................................................. 72
		BACKHOE CONTROL VALVE................................................................ 78
		CLSS................................................................................. 85
		SOLENOID VALVE....................................................................... 99
		SAFETY VALVE.........................................................................100
		BRAKE PUMP...........................................................................102
		SHOVEL CYLINDERS.....................................................................103
		BACKHOE CYLINDERS....................................................................104
		AIR-CONDITIONING UNIT................................................................108
		ELECTRICAL DIAGRAM...................................................................111
		ELECTRICAL DIAGRAM (AIR CONDITIONING)................................................123
	20. TESTING AND ADJUSTMENTS..............................................................127
		NORMAL OR STANDARD TECHNICAL DATA....................................................128
		SPECIAL TOOLS........................................................................140
		MEASURING ENGINE SPEED...............................................................141
		ADJUSTING VALVE CLEARANCE............................................................142
		MEASURING COMPRESSION PRESSURE.......................................................143
		TESTING AND ADJUSTING FUEL INJECTION TIMING..........................................144
		CHECKING AND TIGHTENING THE FAN - BELT...............................................146
		CHECKING AND TIGHTENING THE COMPRESSOR FAN - BELT....................................147
		MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER...................148
		ADJUSTING BRAKE PEDAL TRAVEL, BRAKE ALIGNMENT, MICROSWITCHES.........................150
		AIR BLEEDING - RELEASING RESIDUAL PRESSURE...........................................151
		CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT...................154
		TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)..............................160
		TESTING AND ADJUSTING OF UNLOADING VALVE.............................................161
		CHECKING UNLOADING VALVE FUNCTIONALITY...............................................162
		TESTING PRIORITY VALVE OPERATION.....................................................163
		TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE.................................164
		TESTING BRAKE SYSTEM.................................................................165
		CONTROL OF THE ENGINE SPEED UNDER LOAD...............................................167
		TESTING PRESSURES IN THE POWER TRAIN GROUP...........................................169
		TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES..........................171
		ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE........................................172
		ANALYSIS OF CAUSES HYDRAULIC DRIFT...................................................173
		TESTING THE AIR-CONDITIONING UNIT....................................................178
		EMPTYING THE AIR-CONDITIONING UNIT...................................................180
		TROUBLESHOOTING......................................................................181
			FRONT AXLE TROUBLESHOOTING.......................................................182
			REAR AXLE TROUBLESHOOTING........................................................187
			TRANSMISSION TROUBLESHOOTING.....................................................192
			CHECKINGANDINSPECTIONOF THE ELECTRONICCONTROL UNIT...............................195
	30. REMOVAL AND INSTALLATION.............................................................199
		HOWTO READ THE MANUAL................................................................201
		PRECAUTIONS TO BE TAKEN WHILE WORKING................................................202
		SPECIAL TOOLS........................................................................203
		STARTING MOTOR.......................................................................207
		ALTERNATOR...........................................................................208
		AIR-CONDITIONING UNIT COMPRESSOR.....................................................210
		INJECTION PUMP.......................................................................212
		INJECTION NOZZLES....................................................................216
		THERMOSTAT...........................................................................217
		COOLING LIQUID PUMP..................................................................218
		TURBOCOMPRESSOR......................................................................220
		CYLINDER HEAD........................................................................222
		FRONT COUNTERWEIGHT..................................................................226
		RADIATOR-OIL COOLER UNIT.............................................................227
		CONDENSER............................................................................230
		HYDRAULIC OIL COOLER.................................................................231
		TRANSMISSION OIL COOLER..............................................................233
		MUFFLER..............................................................................234
		EXHAUST PIPE.........................................................................235
		ENGINE HOOD..........................................................................236
		CAB..................................................................................238
		HEAT AND AIR-CONDITIONING GROUP......................................................242
		FUEL TANK............................................................................244
		HYDRAULIC OIL TANK...................................................................245
		ENGINE-GEARBOX-PUMP GROUP............................................................246
		PISTON PUMP..........................................................................252
		TRANSMISSION.........................................................................254
		CONVERTOR............................................................................357
		TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP....358
		STEERING UNIT........................................................................359
		WORKING BRAKE PUMP GROUP.............................................................360
		FRONT WORKING EQUIPMENT CONTROL VALVE................................................361
		FRONT AXLE...........................................................................362
		REAR AXLE............................................................................389
		FRONT BUCKET BOOM-RAISING CYLINDER...................................................425
		FRONT BUCKET TILT CYLINDERS..........................................................426
		FRONT BUCKET.........................................................................427
		FRONT WORKING EQUIPMENT..............................................................428
		BACKHOE CONTROL VALVE................................................................430
		BACKHOE BOOM CYLINDER................................................................432
		BACKHOE ARM CYLINDER.................................................................433
		JIG ARM CYLINDER.....................................................................434
		BACKHOE BUCKET CYLINDER..............................................................435
		OUTRIGGER CYLINDERS..................................................................436
		BACKHOE SWING CYLINDERS..............................................................438
		BACKHOE BACKFRAME LOCK CYLINDER......................................................439
		CYLINDERS............................................................................440
		BOOM SWING CYLINDER..................................................................446
		BACKHOE BACKFRAME LOCK CYLINDER......................................................449
		BOOM SAFETY CYLINDER.................................................................450
		BACKHOE WORKING EQUIPMENT............................................................451
		BACKHOE BUCKET.......................................................................452
		ARM..................................................................................453
		JIG ARM..............................................................................454
		2nd ARM..............................................................................455
		2nd ARM GUIDES.......................................................................456
		BACKHOE BOOM.........................................................................457
		BACKHOE SWING BRACKET................................................................458
		BACKHOE BACKFRAME....................................................................459
	40. STANDARD MAINTENANCE.................................................................463
		TRANSMISSION.........................................................................464
		FRONT AXLE...........................................................................467
		REAR AXLE............................................................................470
		HYDRAULIC PUMP.......................................................................474
		2-SPOOL CONTROL VALVE................................................................476
		3-SPOOL CONTROL VALVE................................................................478
		3-SPOOL CONTROL VALVE (With Return to Dig)...........................................480
		6-SPOOL CONTROL VALVE................................................................482
		7-SPOOL CONTROL VALVE................................................................485
		8-SPOOL CONTROL VALVE................................................................487
		BRAKE PUMP...........................................................................489
		SHOVEL CYLINDERS.....................................................................490
		BACKHOE CYLINDERS....................................................................492
		FRONT WORKING EQUIPMENT..............................................................496
		SWING BRACKET........................................................................498
		BACKHOE WORKING EQUIPMENT............................................................500

DESCRIPTION:

KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001001 – PDF DOWNLOAD

• This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator 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. The manual is divided into chapters on each main group of components; these chapters are further divided into the following sections.
  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.
  TESTING AND ADJUSTING
  This sections 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» to «Causes» are also included in this section.
  DISASSEMBLY AND ASSEMBLY
  This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
  MAINTENANCE STANDARD
  This section gives the judgement standards when inspecting disassembled parts.

S.S 20/12/24