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Komatsu WB97R-2 Backhoe Loader Service Manual WEBM001003 PDF
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KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001003 – PDF DOWNLOAD
SERIAL NUMBER W897R-2 97F20887 and up
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Description
KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001003 – PDF DOWNLOAD
FILE DETAILS:
KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001003 – PDF DOWNLOAD
Language : English
Pages : 512
Downloadable : Yes
File Type : PDF
SERIAL NUMBER W897R-2 97F20887 and up
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001003 – 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 CHECKING AND INSPECTION OF THE ELECTRONIC CONTROL 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 PUMP.......................................................................215 INJECTION NOZZLES....................................................................216 THERMOSTAT...........................................................................217 COOLING LIQUID PUMP..................................................................218 TURBOCOMPRESSOR......................................................................220 CYLINDER HEAD........................................................................222 FRONT COUNTERWEIGHT..................................................................226 RADIATOR UNIT........................................................................227 CONDENSER............................................................................230 MUFFLER..............................................................................231 EXHAUST PIPE.........................................................................232 ENGINE HOOD..........................................................................233 CAB..................................................................................235 HEAT AND AIR-CONDITIONING GROUP......................................................239 FUEL TANK............................................................................241 HYDRAULIC OIL TANK...................................................................242 ENGINE-GEARBOX-PUMP GROUP............................................................243 PISTON PUMP..........................................................................249 TRANSMISSION.........................................................................251 CONVERTOR............................................................................353 TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP....354 STEERING UNIT........................................................................355 WORKING BRAKE PUMP GROUP.............................................................356 FRONT WORKING EQUIPMENT CONTROL VALVE................................................357 FRONT AND BACKHOE CONTROL VALVE......................................................358 FRONT AXLE...........................................................................372 REAR AXLE............................................................................399 FRONT BUCKET BOOM-RAISING CYLINDER...................................................435 FRONT BUCKET TILT CYLINDERS..........................................................436 FRONT BUCKET.........................................................................437 FRONT WORKING EQUIPMENT..............................................................438 BACKHOE CONTROL VALVE................................................................440 BACKHOE BOOM CYLINDER................................................................442 BACKHOE ARM CYLINDER.................................................................443 JIG ARM CYLINDER.....................................................................444 BACKHOE BUCKET CYLINDER..............................................................445 OUTRIGGER CYLINDERS..................................................................446 BACKHOE SWING CYLINDERS..............................................................448 BACKHOE BACKFRAME LOCK CYLINDER......................................................449 CYLINDERS............................................................................450 BOOM SWING CYLINDER..................................................................456 BACKHOE BACKFRAME LOCK CYLINDER......................................................459 BOOM SAFETY CYLINDER.................................................................460 BACKHOE WORKING EQUIPMENT............................................................461 BACKHOE BUCKET.......................................................................462 ARM..................................................................................463 COMPLETE JIG ARM.....................................................................464 2nd ARM..............................................................................465 2nd ARM GUIDES.......................................................................466 BACKHOE BOOM.........................................................................467 BACKHOE SWING BRACKET................................................................468 BACKHOE BACKFRAME....................................................................469 40. STANDARD MAINTENANCE.................................................................473 TRANSMISSION.........................................................................474 FRONT AXLE...........................................................................477 REAR AXLE............................................................................480 HYDRAULIC PUMP.......................................................................484 2-SPOOL CONTROL VALVE................................................................486 3-SPOOL CONTROL VALVE................................................................488 3-SPOOL CONTROL VALVE (With Return to Dig)...........................................490 6-SPOOL CONTROL VALVE................................................................492 7-SPOOL CONTROL VALVE................................................................495 8-SPOOL CONTROL VALVE................................................................497 BRAKE PUMP...........................................................................499 SHOVEL CYLINDERS.....................................................................500 BACKHOE CYLINDERS....................................................................502 FRONT WORKING EQUIPMENT..............................................................506 SWING BRACKET........................................................................508 BACKHOE WORKING EQUIPMENT............................................................510
DESCRIPTION:
KOMATSU WB97R-2 BACKHOE-LOADER SHOP MANUAL WEBM001003 – 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 21/12/24
