Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Shop Manual

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Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Service Repair Workshop Manual – WEBM000404

This factory service manual has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

APPLICABLE MODELS :

Komatsu WB91R-2 avance Backhoe Loader
Serial Numbers : 91F20145 and up

Komatsu WB93R-2 avance Backhoe Loader
Serial Numbers : 93F23453 and up

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Total Pages : 504
Bookmarked : Yes
Searchable : Yes
Printable : Yes
Product Code : WEBM000404

All pages are printable, so run off what you need & take it with you into the garage or workshop.
Save money $$ by doing your own repairs! It make it easy for any skill level with these very easy to follow, step-by-step instructions!

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TABLE OF CONTENTS :

10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD

– GENERAL
– STRUCTURE AND FUNCTION
– TESTING AND ADJUSTING
– DISASSEMBLY AND ASSEMBLY
– MAINTENANCE STANDARD
– REPAIR AND REPLACEMENT OF PARTS
…AND MORE…

COVER
– CONTENTS
– LIST OF REVISED PAGES
– SAFETY
– FOREWORD
– HOW TO READ THE SHOP MANUAL
– HOISTING INSTRUCTIONS
– STANDARD TIGHTENING TORQUE
– COATI NG MATERI ALS
– ELECTRIC
– WEIGHT TABLE
– TABLE OF OIL AND COOLANT QUANTITIES
– CONVERSION TABLE
– 10. STRUCTURE AND FUNCTION
– – POWER TRAIN
– – TRANSMISSION (4WD)
– – TRANSMISSION
– – DRIVE SHAFTS
– – CONTROL VALVE BLOCK
– – FRONT AXLE
– – REAR AXLE
– – HYDRAULIC PUMP
– – STEERING UNIT
– – HYDRAULIC CIRCUIT
– – SHOVEL CONTROL VALVE
– – BACKHOE CONTROL VALVE
– – CLSS
– – SOLENOID VALVE
– – SAFETY VALVE
– – BRAKE PUMP
– – SHOVEL CYLINDERS
– – BACKHOE CYLINDERS
– – AIR-CONDITIONING UNIT
– – HOW THE AIR-CONDITIONING UNIT FUNCTIONS
– – ELECTRICAL DIAGRAM
– – ELECTRICAL DIAGRAM (AIR CONDITIONING)
– 20. TESTING AND ADJUSTMENTS
– – NORMAL OR STANDARD TECHNICAL DATA
– – SPECIAL TOOLS
– – MEASURING ENGINE SPEED
– – ADJUSTING VALVE CLEARANCE
– – MEASURING COMPRESSION PRESSURE
– – TESTING AND ADJUSTING FUEL INJECTION TIMING
– – CHECKING AND TIGHTENING THE FAN – BELT
– – CHECKING AND TIGHTENING THE COMPRESSOR FAN – BELT
– – MEASURING ACCELERATOR PEDAL OPERATING TRAVEL AND ACCELERATOR LEVER
– – ADJUSTING BRAKE PEDAL TRAVEL, BRAKE ALIGNMENT, MICROSWITCHES
– – AIR BLEEDING – RELEASING RESIDUAL PRESSURE
– – CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT
– – TESTING AND ADJUSTING OF LOAD SENSING SIGNAL (LS VALVE)
– – TESTING AND ADJUSTING OF UNLOADING VALVE
– – CHECKING UNLOADING VALVE FUNCTIONALITY
– – TESTING PRIORITY VALVE OPERATION
– – TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE
– – TESTING BRAKE SYSTEM
– – CONTROL OF THE ENGINE SPEED UNDER LOAD
– – TESTING PRESSURES IN THE POWER TRAIN GROUP
– – TESTING THE CORRECT FUNCTIONING OF THE POWER TRAIN CLUTCHES
– – ADJUSTING THE SENSOR FOR RETURN TO DIG DEVICE
– – ANALYSIS OF CAUSES HYDRAULIC DRIFT
– – TESTING THE AIR-CONDITIONING UNIT
– – EMPTYING THE AIR-CONDITIONING UNIT
– – TROUBLESHOOTING
– – – FRONT AXLE TROUBLESHOOTING
– – – REAR AXLE TROUBLESHOOTING
– – – TRANSMISSION TROUBLESHOOTING
– 30. REMOVAL AND INSTALLATION
– – HOW TO READ THE MANUAL
– – PRECAUTIONS TO BE TAKEN WHILE WORKING
– – SPECIAL TOOLS
– – STARTING MOTOR
– – ALTERNATOR
– – AIR-CONDITIONING UNIT COMPRESSOR
– – INJECTION PUMP
– – INJECTION NOZZLES
– – THERMOSTAT
– – COOLING LIQUID PUMP
– – TURBOCOMPRESSOR
– – CYLINDER HEAD
– – FRONT COUNTERWEIGHT
– – RADIATOR GROUP
– – CONDENSER
– – MUFFLER
– – EXHAUST PIPE
– – ENGINE HOOD
– – CAB
– – HEAT AND AIR-CONDITIONING GROUP
– – FUEL TANK
– – HYDRAULIC OIL TANK
– – ENGINE-GEARBOX-PUMP GROUP
– – PISTON PUMP
– – TRANSMISSION
– – OVERHAULING THE TRANSMISSION
– – CONVERTOR
– – TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP
– – STEERING UNIT
– – WORKING BRAKE PUMP GROUP
– – FRONT WORKING EQUIPMENT CONTROL VALVE
– – FRONT AND BACKHOE CONTROL VALVE
– – FRONT AXLE
– – REAR AXLE
– – FRONT BUCKET BOOM-RAISING CYLINDER
– – FRONT BUCKET TILT CYLINDERS
– – FRONT BUCKET
– – FRONT WORKING EQUIPMENT
– – BACKHOE CONTROL VALVE
– – BACKHOE BOOM CYLINDER
– – BACKHOE ARM CYLINDER
– – JIG ARM CYLINDER
– – BACKHOE BUCKET CYLINDER
– – OUTRIGGER CYLINDERS
– – BACKHOE SWING CYLINDERS
– – BACKHOE BACKFRAME LOCK CYLINDER
– – CYLINDERS
– – BOOM SWING CYLINDER
– – BACKHOE BACKFRAME LOCK CYLINDER
– – BOOM SAFETY CYLINDER
– – BACKHOE WORKING EQUIPMENT
– – BACKHOE BUCKET
– – ARM
– – JIG ARM
– – 2nd ARM
– – 2nd ARM GUIDES
– – BACKHOE BOOM
– – BACKHOE SWING BRACKET
– – BACKHOE BACKFRAME
– 40. STANDARD MAINTENANCE
– – TRANSMISSION
– – FRONT AXLE
– – REAR AXLE
– – HYDRAULIC PUMP
– – 2-SPOOL CONTROL VALVE
– – 3-SPOOL CONTROL VALVE
– – 3-SPOOL CONTROL VALVE (With Returnto Dig)
– – 6-SPOOL CONTROL VALVE
– – 7-SPOOL CONTROL VALVE
– – 8-SPOOL CONTROL VALVE
– – BRAKE PUMP
– – SHOVEL CYLINDERS
– – BACKHOE CYLINDERS
– – FRONT WORKING EQUIPMENT
– – SWING BRACKET
– – BACKHOE WORKING EQUIPMENT

 

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Komatsu WB91R-2, WB93R-2 avance Backhoe Loader Shop Manual.pdf

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