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Komatsu WB150AWS-2 Backhoe Loader Shop Manual SN 150F80001 and up – PDF DOWNLOAD
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Komatsu WB150AWS-2 Backhoe Loader Shop Manual
Book Code: WEBM003301
SERIAL NUMBER : WB150AWS-2 150F30001 and up
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Description
Komatsu WB150AWS-2 Backhoe Loader Shop Manual
FILE DETAILS:
Komatsu WB150AWS-2 Backhoe Loader Shop Manual
Brands: Komatsu
Equipment Type: Backhoe Loader
Manuals Type: Shop Manual
Machine Model: WB150AWS-2
Serial Number: 150F80001 and up
Book Code: WEBM003301
Language: English
Pages: 512
File Format: Portable Document Format (PDF)
TABLE OF CONTENTS:
Komatsu WB150AWS-2 Backhoe Loader Shop Manual
MAIN MENU............................................................................... 0 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 MATERI ALS.................................................................. 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 STEERING SYSTEM (4WS)............................................................... 47 HYDRAULIC PUMP...................................................................... 52 STEERING UNIT....................................................................... 73 HYDRAULIC CIRCUIT................................................................... 75 SHOVEL CONTROL VALVE................................................................ 76 BACKHOE CONTROL VALVE............................................................... 80 CLSS (Closed Center Load Sensing System)............................................ 87 SOLENOID VALVE......................................................................101 SAFETY VALVE........................................................................103 BRAKE PUMP..........................................................................105 SHOVEL CYLINDERS....................................................................106 BACKHOE CYLINDERS...................................................................107 AIR-CONDITIONING UNIT...............................................................110 HOW THE AIR-CONDITIONING UNIT FUNCTIONS.............................................111 ELECTRICAL DIAGRAM..................................................................113 ELECTRICAL DIAGRAM ( AIR CONDITIONING)..............................................115 20. TESTING AND ADJUSTMENTS.............................................................119 NORMAL OR STANDARD TECHNICAL DATA...................................................120 SPECIAL TOOLS.......................................................................132 MEASURING ENGINE SPEED..............................................................133 ADJUSTING VALVE CLEARANCE...........................................................134 MEASURING COMPRESSION PRESSURE......................................................135 TESTING AND ADJUSTING FUEL INJECTION TIMING.........................................136 CHECKING AND TIGHTENING THE FAN -BELT...............................................138 CHECKING AND TIGHTENING THE COMPRESSOR FAN-BELT.....................................139 MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER..................140 ADJUSTING BRAKE PEDAL TRAVEL,BRAKE ALIGNMENT, MICROSWITCHES.........................142 AIR BLEEDING -RELEASING RESIDUAL PRESSURE...........................................143 CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT..................146 TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE).............................152 TESTING AND ADJUSTING OF UNLOADING VALVE............................................153 CHECKING UNLOADING VALVE FUNCTIONALITY..............................................154 TESTING PRIORITY VALVE OPERATION....................................................155 TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE................................156 TESTING BRAKE SYSTEM................................................................157 CONTROL OF THE ENGINE SPEED UNDER LOAD..............................................159 TESTING PRESSURES IN THE POWER TRAIN GROUP..........................................161 TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES.........................163 ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE.......................................164 ANALYSIS OF CAUSES HYDRAULIC DRIFT..................................................165 TESTING THE AIR -CONDITIONING UNIT..................................................170 EMPTYING THE AIR-CONDITIONING UNIT..................................................172 TROUBLESHOOTING.....................................................................173 FRONT AXLE TROUBLESHOOTING......................................................174 REAR AXLE TROUBLESHOOTING.......................................................179 TRANSMISSION TROUBLESHOOTING....................................................184 CHECKING AND INSPECTION OF THE ELETRONIC CONTROL UNIT...........................187 30. REMOVAL AND INSTALLATION............................................................191 HOW TO READ THE MANUAL..............................................................193 PRECAUTIONS TO BE TAKEN WHILE WORKING...............................................194 SPECIAL TOOLS.......................................................................195 STARTING MOTOR......................................................................199 REMOVAL AND INSTALLATION........................................................199 THE ALTERNATOR......................................................................200 REMOVAL.........................................................................200 INSTALLATION....................................................................201 AIR-CONDITIONING UNIT COMPRESSOR....................................................202 REMOVAL.........................................................................202 INSTALLATION....................................................................203 INJECTION PUMP......................................................................204 REMOVAL.........................................................................204 INSTALLATION....................................................................207 INJECTION NOZZLES...................................................................208 REMOVAL AND INSTALLATION........................................................208 THERMOSTAT..........................................................................209 REMOVAL AND INSTALLATION........................................................209 COOLING LIQUID PUMP.................................................................210 REMOVAL.........................................................................210 INSTALLATION....................................................................211 TURBOCOMPRESSOR.....................................................................212 REMOVAL.........................................................................212 INSTALLATION....................................................................213 CYLINDER HEAD.......................................................................214 REMOVAL.........................................................................214 INSTALLATION....................................................................216 FRONT COUNTERWEIGHT.................................................................218 REMOVAL AND INSTALLATION........................................................218 RADIATOR GROUP......................................................................219 REMOVAL.........................................................................219 INSTALLATION....................................................................221 CONDENSER...........................................................................222 REMOVAL AND INSTALLATION........................................................222 MUFFLER.............................................................................223 REMOVAL AND INSTALLATION........................................................223 EXHAUST PIPE........................................................................224 REMOVAL AND INSTALLATION........................................................224 ENGINE HOOD.........................................................................225 REMOVAL.........................................................................225 INSTALLATION....................................................................226 CAB.................................................................................227 REMOVAL.........................................................................227 INSTALLATION....................................................................230 HEAT AND AIR-CONDITIONING GROUP.....................................................231 REMOVAL.........................................................................231 INSTALLATION....................................................................232 FUEL TANK...........................................................................233 REMOVAL AND INSTALLATION........................................................233 HYDRAULIC OIL TANK..................................................................234 REMOVAL AND INSTALLATION........................................................234 ENGINE-GEARBOX-PUMP GROUP...........................................................235 REMOVAL.........................................................................235 INSTALLATION....................................................................240 PISTON PUMP.........................................................................241 REMOVAL.........................................................................241 INSTALLATION....................................................................242 TRANSMISSION........................................................................243 REMOVAL.........................................................................243 INSTALLATION....................................................................246 DISASSEMBLY AND ASSEMBLY........................................................247 CONVERTOR...........................................................................345 REMOVAL AND INSTALLATION........................................................345 TRANSMISSION-REVERSE,DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP....346 REMOVAL AND INSTALLATION........................................................346 STEERING UNIT.......................................................................347 REMOVAL AND INSTALLATION........................................................347 WORKING BRAKE PUMP GROUP............................................................348 REMOVAL AND INSTALLATION........................................................348 FRONT WORKING EQUIPMENT CONTROL VALVE...............................................349 REMOVAL AND INSTALLATION........................................................349 FRONT AND BACKHOE CONTROL VALVE.....................................................350 DISASSEMBLY AND ASSEMBLY........................................................350 FRONT AXLE..........................................................................364 REMOVAL.........................................................................364 INSTALLATION....................................................................365 DISASSEMBLY.....................................................................366 ASSEMBLY........................................................................378 REAR AXLE...........................................................................395 REMOVAL.........................................................................395 INSTALLATION....................................................................396 DISASSEMBLY.....................................................................397 ASSEMBLY........................................................................416 STEERING SOLENOID VALVE GROUP.......................................................439 REMOVAL AND INSTALLATION........................................................439 FRONT BUCKET BOOM-RAISING CYLINDER..................................................440 REMOVAL AND INSTALLATION........................................................440 FRONT BUCKET TILT CYLINDERS.........................................................441 REMOVAL AND INSTALLATION........................................................441 FRONT BUCKET........................................................................442 REMOVAL AND INSTALLATION........................................................442 FRONT WORKING EQUIPMENT.............................................................443 REMOVAL.........................................................................443 INSTALLATION....................................................................444 BACKHOE CONTROL VALVE...............................................................445 REMOVAL.........................................................................445 INSTALLATION....................................................................446 BACKHOE BOOM CYLINDER...............................................................447 REMOVAL AND INSTALLATION........................................................447 BACKHOE ARM CYLINDER................................................................448 REMOVAL AND INSTALLATION........................................................448 TELESCOPIC ARM CYLINDER.............................................................449 REMOVAL AND INSTALLATION........................................................449 BACKHOE BUCKET CYLINDER.............................................................450 REMOVAL AND INSTALLATION........................................................450 OUTRIGGER CYLINDERS.................................................................451 REMOVAL AND INSTALLATION........................................................451 BACKHOE SWING CYLINDERS.............................................................452 REMOVAL AND INSTALLATION........................................................452 CYLINDERS...........................................................................453 DISASSEMBLY.....................................................................453 ASSEMBLY........................................................................455 BOOM SWING CYLINDER.................................................................458 DISASSEMBLY.....................................................................458 ASSEMBLY........................................................................459 BOOM SAFETY CYLINDER................................................................461 REMOVAL AND INSTALLATION........................................................461 BACKHOE WORKING EQUIPMENT...........................................................462 REMOVAL AND INSTALLATION........................................................462 BACKHOE BUCKET......................................................................463 REMOVAL AND INSTALLATION........................................................463 ARM.................................................................................464 REMOVAL AND INSTALLATION........................................................464 TELESCOPIC ARM......................................................................465 REMOVAL AND INSTALLATION........................................................465 2nd ARM.............................................................................466 REMOVAL AND INSTALLATION........................................................466 2nd ARM GUIDES......................................................................467 REMOVAL AND INSTALLATION........................................................467 BACKHOE BOOM........................................................................468 REMOVAL AND INSTALLATION........................................................468 BACKHOE SWING BRACKET...............................................................469 REMOVAL AND INSTALLATION........................................................469 BACKHOE OUTRIGGERS..................................................................470 REMOVAL.........................................................................470 INSTALLATION....................................................................471 40. STANDARD MAINTENANCE................................................................475 TRANSMISSION........................................................................476 FRONT AXLE..........................................................................479 REAR AXLE...........................................................................482 HYDRAULIC PUMP......................................................................486 2-SPOOL CONTROL VALVE...............................................................488 3-SPOOL CONTROL VALVE...............................................................490 6-SPOOL CONTROL VALVE...............................................................492 7-SPOOL CONTROL VALVE...............................................................495 8-SPOOL CONTROL VALVE...............................................................497 BRAKE PUMP..........................................................................498 SHOVEL CYLINDERS....................................................................499 BACKHOE CYLINDERS...................................................................500 FRONT WORKING EQUIPMENT.............................................................504 SWING BRACKET.......................................................................506 BACKHOE WORKING EQUIPMENT...........................................................508
KOMATSU WB150AWS-2 BACKHOE LOADER SHOP MANUAL SN 150F80001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu WB150AWS-2 Backhoe Loader Shop Manual
FOREWORD:
GENERAL:
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the servicemen 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.
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” to “Causes” are also included in thissection.
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.
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
