Komatsu WB93R-5 Backhoe Loader Shop Manual - WEBM005800

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 WB93R-5 Backhoe Loader
Serial Numbers : F50003 and up


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Total Pages : 614
Bookmarked : Yes
Searchable : Yes
Printable : Yes
Part Number : WEBM005800


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!

Instant download means no shipping cost or waiting for a CD to arrive in the mail…you will receive this manual today via instant download on completion of payment via our secure payment processor.


TABLE OF CONTENTS :

10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTMENTS
30 REMOVAL AND INSTALLATION
40 STANDARD MAINTENANCE
90 OTHER
...AND MORE...

CONTENTS
REVISED PAGES
SAFETY
FOREWORD
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
COATING MATERIALS
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 CIRCUIT (WITH MECHANICAL CONTROL)
- HYDRAULIC CIRCUIT (WITH SERVOCONTROL)
- HYDRAULIC PUMP
- 8-SPOOL CONTROL VALVE (WITH MECHANICAL CONTROL)
- 10-SPOOL CONTROL VALVE (WITH MECHANICAL CONTROL)
- 8-SPOOL CONTROL VALVE (WITH SERVOCONTROL)
- 10-SPOOL CONTROL VALVE (WITH SERVOCONTROL)
- CLSS
- STEERING UNIT
- PPC VALVES
- PPC VALVE (SERVOCONTROL VERSION)
- SOLENOID VALVE GROUP (EV1)
- SAFETY VALVES
- SHOVEL CYLINDERS
- BACKHOE CYLINDERS
- AIR-CONDITIONING UNIT
- HOW THE AIR-CONDITIONING UNIT FUNCTIONS
- FUSE AND RELAY CENTRE
- DRIVER SEAT WIRING
- SWITCH PANEL WIRING
- FRONT DASH WIRING
- ROOF WIRING
- ENGINE WIRING
- SPEED SELECTOR WIRING
- BACKHOE WIRING
- JIG ARM WIRING
- WIRING DIAGRAM (STANDARD VERSION) (see also Group 90)

20 TESTING AND ADJUSTMENTS
- NORMAL OR STANDARD TECHNICAL DATA
- SPECIAL TOOLS
- ADJUSTING VALVE CLEARANCE
- ENGINE SPEED TESTS
- TENSIONING THE AIR-CONDITIONING COMPRESSOR BELT
- BLEEDING AIR FROM CIRCUITS - ELIMINATING RESIDUAL PRESSURE
- ADJUSTING ACCELERATOR PEDAL TRAVEL AND ACCELERATOR LEVER
- ADJUSTING BRAKE PEDAL
- CHECKING AND SETTING PRESSURE IN THE ATTACHMENTS HYDRAULIC CIRCUIT
- CHECKING THE SETTING OF MAIN RELIEF AND SECONDARY VALVES
- SETTING THE MAIN RELIEF VALVES AND THE REDUCING VALVES
- CHECKING AND ADJUSTING THE LS DIFFERENTIAL PRESSURE. ADJUSTING THE LS VALVE
- CHECKING AND ADJUSTING SERVOCONTROLS SUPPLY PRESSURE
- ADJUSTING THE PC VALVE
- TESTING AND SETTING STEERING CONTROL SYSTEM PRESSURE
- CHECKING FOR LEAKS IN THE STEERING CYLINDERS
- TESTING PRESSURES IN THE POWER TRAIN GROUP
- TESTING THE CORRECT FUNCTIONING OF THE POWER TRAINCLUTCHES
- ANALYSIS OF CAUSES HYDRAULIC DRIFT
- TESTING THE AIR-CONDITIONING UNIT
- EMPTYING THE AIR-CONDITIONING UNIT
- TROUBLESHOOTING

30 REMOVAL AND INSTALLATION
- HOW TO READ THE MANUAL
- PRECAUTIONS TO BE TAKEN WHILE WORKING
- SPECIAL TOOLS
- ENGINE HOOD
- FRONT GUARD
- RADIATOR GROUP
- CONDENSER (For machines equipped with an air-conditioning unit)
- MUFFLER
- AIR FILTER
- TURBOCHARGER
- AIR-CONDITIONING UNIT COMPRESSOR
- AIR-CONDITIONING UNIT COMPRESSOR BELT
- EXHAUST PIPE
- FAN AND HEATING GROUP
- BATTERY
- FUEL TANK
- STEERING WHEEL AND TRANSMISSION-REVERSE, DIRECTION INDICATOR AND HEADLIGHT DIPPER BEAM CONTROL GROUP
- WORKING BRAKE PUMP GROUP
- STEERING UNIT
- CAB
- HYDRAULIC OIL TANK
- PISTON PUMP
- TRANSMISSION
- CONVERTOR
- ENGINE
- CONTROL VALVE (Standard version)
- CONTROL VALVE (version with servocontrol)
- FRONT AXLE
- REAR AXLE
- SHOVEL PPC VALVE
- SHOVEL LIFT CYLINDERS
- SHOVEL DUMP CYLINDERS
- SHOVEL
- FRONT WORKING EQUIPMENT
- BACKHOE PPC VALVES (Optional)
- PPC VALVE SUPPORT RELEASE CABLES
- PPC VALVE SUPPORT RETURN GAS SPRING
- SOLENOID VALVE GROUP (servocontrol and optional attachment)
- BACKHOE BOOM CYLINDER
- ARM CYLINDER
- JIG ARM CYLINDER
- OUTRIGGER CYLINDER
- BACKHOE SWING CYLINDERS
- BACKHOE BUCKET CYLINDER
- BACKHOE BOOM SAFETY CYLINDER
- BACKHOE WORKING EQUIPMENT
- BACKHOE BUCKET
- BACKHOE BOOM CYLINDER
- ARM
- JIG ARM
- 2nd ARM
- 2nd ARM GUIDES
- BACKHOE SWING BRACKET
- COMPLETE BACKHOE BACKFRAME
- BACKFRAME LOCK PISTONS

40 STANDARD MAINTENANCE
- TRANSMISSION
- FRONT AXLE
- REAR AXLE
- HYDRAULIC PUMP
- CONTROL VALVE
- PPC VALVES
- SHOVEL CYLINDERS
- BACKHOE CYLINDERS
- FRONT WORKING EQUIPMENT
- SWING BRACKET
- BACKHOE WORKING EQUIPMENT

90 OTHER
- ELECTRICAL DIAGRAM (STANDARD VERSION)
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