Komatsu WB140PS-2-N and WB150PS-2-N Backhoe Loaders with S4D106-1 engine (USA) Workshop Manual (CEBM012801)

Illustrated factory Workshop Manual for Komatsu Backhoe Loaders Models WB140PS-2-N and WB150PS-2-N.

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 (USA):
   WB140PS-2-N (SN: A40034-)
   WB150PS-2-N (SN: A70010-)

Format: PDF, 596 pages
Language: English
Table of Contents:
   FOREWORD
      SAFETY
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      QUICK DISCONNECT COUPLER
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLES
   GENERAL
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL COOLANT AND LUBRICANTS
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      ENGINE MOUNTING
      POWER TRAIN
      TRANSMISSION DIAGRAM
      TRANSMISSION
      FRONT AXLE
      REAR AXLE
      HYDRAULIC PUMP
      STEERING UNIT
      LOADER VALVE
      BACKHOE CONTROL VALVE
      CLSS
      PPC JOYSTICK
      SOLENOID VALVE
      LOADER CYLINDERS
      BACKHOE CYLINDERS
      FRONT WORK EQUIPMENT
      REAR WORK EQUIPMENT
      AIR CONDITIONING
   TESTING, ADJUSTING AND TROUBLESHOOTING
      STANDARD VALUE TABLES FOR ENGINE
      STANDARD VALUE TABLES FOR CHASSIS
      SPECIAL TOOLS
      ENGINE SPEED
      VALVE CLEARANCE
      COMPRESSION PRESSURE
      FUEL INJECTION TIMING
      FAN BELT
      COMPRESSOR DRIVE BELT
      ACCELERATOR PEDAL AND LEVER
      BRAKE PEDAL TRAVEL
      BLEEDING AIR
      HYDRAULIC CIRCUIT
      MAIN RELIEF VALVES
      LOADER CIRCUIT RELIEF VALVES
      BACKHOE CIRCUIT RELIEF VALVES
      UNLOADING VALVE
      LOAD SENSING (LS) VALVE
      FLOW VALVE
      PRIORITY VALVE
      STEERING SYSTEM
      BRAKE SYSTEM
      ENGINE SPEED UNDER LOAD
      POWER TRAIN GROUP
      TRANSMISSION CLUTCHES
      RETURN TO DIG DEVICE
      HYDRAULIC DRIFT
      AIR CONDITIONING UNIT
      TROUBLESHOOTING GUIDE
   REMOVAL AND INSTALLATION
      METHOD OF USING THIS MANUAL
      PRECAUTIONS DURING SERVICE OPERATIONS
      SPECIAL TOOLS
      ENGINE COMPONENTS
      LOADER CYLINDER LOCK
      STARTER
      ALTERNATOR
      AC COMPRESSOR
      INJECTION PUMP
      VALVE COVER
      INJECTION NOZZLE
      THERMOSTAT
      COOLANT PUMP
      TURBOCHARGER
      CYLINDER HEAD
      BATTERY DISCONNECT SWITCH
      COUNTERWEIGHT
   OTHER
      HYDRAULIC CIRCUIT
      ELECTRICAL CIRCUIT