Trusted Business
Verified & Licensed
Virus Free Files
100% Safe Downloads
Secure Payment
SSL Protected
Instant Delivery
Available Immediately
Sale!
Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Manual – PDF Download
Original price was: $62.95.$19.95Current price is: $19.95.
Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Manual
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 avance Backhoe Loader Service Repair Manual
Description:
Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Manual
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 eachmain 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.
Table of Contents:
Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Manual
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 COATI NG 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 (4WD)................................................................... 32 TRANSMISSION......................................................................... 34 DRIVE SHAFTS......................................................................... 37 CONTROL VALVE BLOCK.................................................................. 39 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 HOW THE AIR-CONDITIONING UNIT FUNCTIONS..............................................109 ELECTRICAL DIAGRAM...................................................................111 ELECTRICAL DIAGRAM (AIR CONDITIONING)................................................123 20. TESTING AND ADJUSTMENTS..............................................................127 NORMAL OR STANDARD TECHNICAL DATA....................................................128 SPECIAL TOOLS........................................................................152 MEASURING ENGINE SPEED...............................................................153 ADJUSTING VALVE CLEARANCE............................................................154 MEASURING COMPRESSION PRESSURE.......................................................155 TESTING AND ADJUSTING FUEL INJECTION TIMING..........................................156 CHECKING AND TIGHTENING THE FAN - BELT...............................................158 CHECKING AND TIGHTENING THE COMPRESSOR FAN - BELT....................................159 MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER...................160 ADJUSTING BRAKE PEDAL TRAVEL, BRAKE ALIGNMENT, MICROSWITCHES.........................162 AIR BLEEDING - RELEASING RESIDUAL PRESSURE...........................................163 CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT...................166 TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)..............................172 TESTING AND ADJUSTING OF UNLOADING VALVE.............................................173 CHECKING UNLOADING VALVE FUNCTIONALITY...............................................174 TESTING PRIORITY VALVE OPERATION.....................................................175 TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE.................................176 TESTING BRAKE SYSTEM.................................................................177 CONTROL OF THE ENGINE SPEED UNDER LOAD...............................................179 TESTING PRESSURES IN THE POWER TRAIN GROUP...........................................181 TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES..........................183 ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE........................................184 ANALYSIS OF CAUSES HYDRAULIC DRIFT...................................................185 TESTING THE AIR-CONDITIONING UNIT....................................................190 EMPTYING THE AIR-CONDITIONING UNIT...................................................192 TROUBLESHOOTING......................................................................193 FRONT AXLE TROUBLESHOOTING.......................................................194 REAR AXLE TROUBLESHOOTING........................................................199 TRANSMISSION TROUBLESHOOTING.....................................................204 30. REMOVAL AND INSTALLATION.............................................................209 HOW TO READ THE MANUAL...............................................................211 PRECAUTIONS TO BE TAKEN WHILE WORKING................................................212 SPECIAL TOOLS........................................................................213 STARTING MOTOR.......................................................................217 ALTERNATOR...........................................................................218 AIR-CONDITIONING UNIT COMPRESSOR.....................................................220 INJECTION PUMP.......................................................................222 INJECTION NOZZLES....................................................................226 THERMOSTAT...........................................................................227 COOLING LIQUID PUMP..................................................................228 TURBOCOMPRESSOR......................................................................230 CYLINDER HEAD........................................................................232 FRONT COUNTERWEIGHT..................................................................236 RADIATOR GROUP.......................................................................237 CONDENSER............................................................................240 MUFFLER..............................................................................241 EXHAUST PIPE.........................................................................242 ENGINE HOOD..........................................................................243 CAB..................................................................................245 HEAT AND AIR-CONDITIONING GROUP......................................................249 FUEL TANK............................................................................251 HYDRAULIC OIL TANK...................................................................252 ENGINE-GEARBOX-PUMP GROUP............................................................253 PISTON PUMP..........................................................................259 TRANSMISSION.........................................................................261 OVERHAULING THE TRANSMISSION.........................................................265 CONVERTOR............................................................................343 TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP....344 STEERING UNIT........................................................................345 WORKING BRAKE PUMP GROUP.............................................................346 FRONT WORKING EQUIPMENT CONTROL VALVE................................................347 FRONT AND BACKHOE CONTROL VALVE......................................................348 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...........................................................................469 REAR AXLE............................................................................472 HYDRAULIC PUMP.......................................................................476 2-SPOOL CONTROL VALVE................................................................478 3-SPOOL CONTROL VALVE................................................................480 3-SPOOL CONTROL VALVE (With Returnto Dig)............................................482 6-SPOOL CONTROL VALVE................................................................484 7-SPOOL CONTROL VALVE................................................................487 8-SPOOL CONTROL VALVE................................................................489 BRAKE PUMP...........................................................................491 SHOVEL CYLINDERS.....................................................................493 BACKHOE CYLINDERS....................................................................494 FRONT WORKING EQUIPMENT..............................................................498 SWING BRACKET........................................................................500 BACKHOE WORKING EQUIPMENT............................................................502
Screenshot Of The Manual:
KOMATSU WB91R-2, WB93R-2 AVANCE BACKHOE LOADER SERVICE REPAIR MANUAL – PDF DOWNLOAD:
Please Note:
⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
⦁ Require some other service manual or have any queries: please WRITE to us at [email protected]
1 review for Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Manual – PDF Download
Add a review
Demetrius Fletcher –