Komatsu WB150AWS-2 (SN from 150F80001) Backhoe Loaders (Italy) Workshop Manual (WEBD003301)

Illustrated factory Workshop Manual for Komatsu Backhoe Loaders Models WB150AWS-2.

This manual will assist you in diagnosing, repairing, and adjusting for your backhoe loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (Italy):
   WB150AWS-2 (SN: 150F80001-)

Format: PDF, 512 pages
Language: English
Table of Contents:
   LIST OF REVISED PAGES
   SAFETY
   FOREWORD
   HOW TO READ THE SHOP MANUAL
   HOISTING INSTRUCTIONS
   STANDARD TIGHTENING TORQUE
   COATING MATERI ALS
   ELECTRIC
   WEIGHT TABLE
   TABLE OF OIL AND COOLANT QUANTITIES
   CONVERSION TABLE
   STRUCTURE AND FUNCTION
   POWER TRAIN
   TRANSMISSION
   DRIVE SHAFTS
   CONTROL VALVE BLOCK
   FRONT AXLE
   REAR AXLE
   STEERING SYSTEM (4WS)
   HYDRAULIC PUMP
   STEERING UNIT
   HYDRAULIC CIRCUIT
   SHOVEL CONTROL VALVE
   BACKHOE CONTROL VALVE
   CLSS (Closed Center Load Sensing System)
   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)
   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
   REMOVAL AND INSTALLATION
   HOW TO READ THE MANUAL
   PRECAUTIONS TO BE TAKEN WHILE WORKING
   SPECIAL TOOLS
   STARTING MOTOR
   THE 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
   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
   STEERING SOLENOID VALVE GROUP
   FRONT BUCKET BOOM-RAISING CYLINDER
   FRONT BUCKET TILT CYLINDERS
   FRONT BUCKET
   FRONT WORKING EQUIPMENT
   BACKHOE CONTROL VALVE
   BACKHOE BOOM CYLINDER
   BACKHOE ARM CYLINDER
   TELESCOPIC ARM CYLINDER
   BACKHOE BUCKET CYLINDER
   OUTRIGGER CYLINDERS
   BACKHOE SWING CYLINDERS
   CYLINDERS
   BOOM SWING CYLINDER
   BOOM SAFETY CYLINDER
   BACKHOE WORKING EQUIPMENT
   BACKHOE BUCKET
   ARM
   TELESCOPIC ARM
   nd ARM
   nd ARM GUIDES
   BACKHOE BOOM
   BACKHOE SWING BRACKET
   BACKHOE OUTRIGGERS
   STANDARD MAINTENANCE
   TRANSMISSION
   FRONT AXLE
   REAR AXLE
   HYDRAULIC PUMP
   SPOOL CONTROL VALVE
   SPOOL CONTROL VALVE
   SPOOL CONTROL VALVE
   SPOOL CONTROL VALVE
   SPOOL CONTROL VALVE
   BRAKE PUMP
   SHOVEL CYLINDERS
   BACKHOE CYLINDERS
   FRONT WORKING EQUIPMENT
   SWING BRACKET
   BACKHOE WORKING EQUIPMENT