Trusted Business
Verified & Licensed
Virus Free Files
100% Safe Downloads
Secure Payment
SSL Protected
Instant Delivery
Available Immediately
Sale!
KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2
Original price was: $84.95.$26.95Current price is: $26.95.
- KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL
- PUBLICATION NUMBER:WEBM000400
- SERIAL NUMBER:
WB91R-2 91F20001 and up
WB93R-2 93F20001 and up
Instant PDF Download
Available immediately
Save to Your Device
Download & keep forever
Antivirus Scanned
100% virus-free
Trusted Worldwide
175,000+ customers
Description
KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2
KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2:
IMAGE PREVIEW:
DESCRIPTION:
KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the operabr 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 contairs the necessary technical information for operatiors performed in a service workshop. The manualis divided inb 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 explairs checks to be made before and after performing repairs. as well as adjustrnentsto be made at completion of the checks and repairs. Troubleshooting chart correlating «Problems» to «Causes» are also included in this section. - DISASSEMBLY AND ASSEMBLY
This section explains the order in be followed when removing. installing, dissassembling or assembling each component. as well as precautions to be taken forthese operations. - MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2
COVER....................................................................................................... 1 CONTENTS................................................................................................ 3 LIST OF REVISED PAGES................................................................................... 5 SAFETY.................................................................................................. 7 FOREWORD................................................................................................ 9 HOW TO READ THE SHOP MANUAL............................................................................. 10 HOISTING INSTRUCTIONS ................................................................................. 11 STANDAR TIGHTENING TORQUE............................................................................... 12 COATING MATERIALS....................................................................................... 13 ELECTRIC WIRE CODE...................................................................................... 14 WEIGHT TABLE............................................................................................ 15 TABLE OF OIL AND COOLANT QUANTITIES..................................................................... 16 10 STRUCTURE AND FUNCTION............................................................................... 19 POWER TRAIN......................................................................................... 20 TRANSMISSION........................................................................................ 22 DRIVE SHAFTS........................................................................................ 27 CONTROL VALVE BLOCK................................................................................. 29 FRONT AXLE.......................................................................................... 30 REAR AXLE........................................................................................... 33 HYDRAULIC PUMP...................................................................................... 38 HYDRAULIC STEERING SYSTEM........................................................................... 59 HYDRAULIC CIRCUIT................................................................................... 61 SHOVEL CONTROL VALVE................................................................................ 62 BACKHOE CONTROL VALVE............................................................................... 68 CLSS................................................................................................ 75 SOLENOID VALVE...................................................................................... 89 SAFETY VALVE........................................................................................ 90 BRAKE PUMP.......................................................................................... 92 SHOVEL CYLINDERS.................................................................................... 93 BACKHOE CYLINDERS................................................................................... 94 20 TESTING AND ADJUSTMENTS.............................................................................. 99 NORMAL OR STANDAR TECHNICAL DATA....................................................................100 SPECIAL TOOLS.......................................................................................128 MEASURING ENGINE SPEED..............................................................................129 ADJUSTING VALVE CLEARANCE...........................................................................130 MEASURING COMPRESSION PRESSURE......................................................................131 TESTING AND ADJUSTING FUEL INJECTION TIMING.........................................................132 CHECKING AND TIGHTENING THE FAN - BELT..............................................................134 MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER..................................135 ADJUSTING BRAKE PEDAL TRAVEL,BRAKE ALIGNMENT, MICROSWITCHES.........................................137 AIR BLEEDING - RELEASING RESIDUAL PRESSURE..........................................................138 CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT..................................141 TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE).............................................147 CHECKING UNLOADING VALVE FUNCTIONALITY..............................................................148 TESTING PUMP DELIVERY...............................................................................149 TESTING PRIORITY VALVE OPERATION....................................................................151 TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE................................................152 TESTING BRAKE SYSTEM................................................................................153 CONTROL OF THE ENGINE SPEED UNDER LOAD..............................................................155 TESTING PRESSURES IN THE POWER TRAIN GROUP..........................................................157 TESTING THE CORRECT FUNCTIONING OH THE POWER TRAIN CLUTCHES.........................................159 ADJUSTING THE SENSOR OF RETURN TO DIG DEVICE........................................................160 ANALYSIS OF CAUSES HYDRAULIC DRIFT..................................................................161 30 REMOVAL AND INSTALLATION.............................................................................167 HOW TO READ THE MANUAL..............................................................................169 PRECAUTIONS TO BE TAKEN WHILE WORKING...............................................................170 SPECIAL TOOLS.......................................................................................171 STARTING MOTOR......................................................................................175 ALTERNATOR..........................................................................................176 INJECTION PUMP......................................................................................177 INJECTION NOZZLES...................................................................................181 THERMOSTAT..........................................................................................182 COOLING LIQUID PUMP.................................................................................183 TURBOCOMPRESSOR.....................................................................................185 CYLINDER HEAD.......................................................................................187 FRONT COUNTERWEIGHT.................................................................................191 RADIATOR-OIL COOLER UNIT............................................................................192 HYDRAULIC OIL COOLER................................................................................195 TRANSMISSION OIL COOLER.............................................................................196 MUFFLER - EXHAUST PIPE..............................................................................197 ENGINE HOOD.........................................................................................198 CAB.................................................................................................199 CAB HEATING GROUP...................................................................................203 FUEL TANK...........................................................................................204 HYDRAULIC OIL TANK..................................................................................205 ENGINE-GEARBOX-PUMP GROUP...........................................................................206 PISTON PUMP.........................................................................................212 TRANSMISSION........................................................................................214 CONVERTOR...........................................................................................299 REMOVAL OF THE TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP....300 STEERING UNIT.......................................................................................301 WORKING BRAKE PUMP GROUP............................................................................302 FORNT WORKING EQUIPMENT CONTROL VALVE...............................................................303 FRONT AXLE..........................................................................................304 REAR AXLE...........................................................................................346 FRONT BUCKET BOOM-RAISING CYLINDER..................................................................405 FRONT BUCKET TILT CYLINDERS.........................................................................406 FRONT BUCKET........................................................................................407 FRONT WORKING EQUIPMENT.............................................................................408 BACKHOE CONTROL VALVE...............................................................................410 BACKHOE BOOM CYLINDER...............................................................................412 BACKHOE ARM CYLINDER................................................................................413 OUTRIGGER CYLINDERS.................................................................................415 BACKHOE SWING CYLINDERS.............................................................................417 BACKHOE BACKFRAME LOCK CYLINDER.....................................................................418 CYLINDERS...........................................................................................419 BOOM SWING CYLINDER.................................................................................425 BACKHOE BACKFRAME LOCK CYLINDER.....................................................................428 BOOM SAFETY CYLINDER................................................................................429 BACKHOE WORKING CYLINDER............................................................................430 BACKHOE BUCKET......................................................................................431 ARM.................................................................................................432 BACKHOE BOOM........................................................................................433 BACKHOE SWING BRACKET...............................................................................434 BACKHOE BACKFRAME...................................................................................435 40 STANDAR MAINTENANCE..................................................................................437 TRANSMISSION........................................................................................439 FRONT AXLE..........................................................................................444 REAR AXLE...........................................................................................447 HYDRAULIC PUMP......................................................................................452 2-SPOOL CONTROL VALVE...............................................................................454 3-SPOOL CONTROL VALVE...............................................................................456 3-SPOOL CONTROL VALVE-with return to dig............................................................458 6-SPOOL CONTROL VALVE...............................................................................460 7-SPOOL CONTROL VALVE...............................................................................463 8-SPOOL CONTROL VALVE...............................................................................465 BRAKE PUMP..........................................................................................467 SHOVEL CYLINDER.....................................................................................468 BACKHOE CYLINDER....................................................................................470 FRONT WORKING EQUIPMENT.............................................................................474 SWING BRACKET.......................................................................................476 BACKHOE WORKING EQUIPMENT...........................................................................478
PLEASE NOTE:
⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
⦁ You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
⦁ Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
1 review for KOMATSU WB91R-2 WB93R-2 BACKHEO LOADER SERVICE REPAIR MANUAL (WEBM000400) KOMATSU WB91R 2 WB93R 2
Add a review
Austin Nathan –