Komatsu WA320-5H (SN from H50051) 4WD Wheeled Loaders (Europe) Workshop Manual (VEBM240100)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA320-5H.

This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled 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 (Europe):
   WA320-5H (SN: H50051-)

Format: PDF, 972 pages
Language: English
Table of Contents:
   SAFETY
      SAFETY NOTICE
   FOREWORD
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLE
      UNITS
   GENERAL
      GENERAL ASSEMBLY DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      Engine mount and transfer mount
      Damper
      Cooling system
      Power train
      Power train system diagram
      Drive shaft (propeller shaft)
      HST hydraulic piping diagram
      HST pump
      High-pressure relief valve
      Low-pressure relief valve
      HST charge pump
      Speed-related valve (DA valve)
      High-pressure cut-off valve
      HST motor
      EP servo valve
      HA servo valve
      Forward-reverse shuttle valve
      Transfer
      Clutch solenoid valve
      Axle
      Differential
      Limited-slip differential
      Final drive
      Axle mounting and center hinge pin
      Steering piping
      Steering column
      Priority valve
      Orbit-roll valve
      Cushion valve
      Steering cylinder
      Emergency steering piping
      Emergency steering valve
      Brake piping
      Brake valve
      Inching valve
      Charge valve
      Accumulator (for brake)
      Slack adjuster
      Brake
      Parking brake control
      Parking brake
      Hydraulic piping
      Work equipment lever linkage
      Hydraulic tank
      gear pump unit
      Accumulator (for PPC circuit)
      Lock valve
      E. C. S. S. valve
      Accumulator (forE.C.S.S.)
      Hydraulic piping of cooling system
      Cooling fan motor
      Work equipment control valve
      Work equipment PPC valve
      Attachment PPC valve
      Work equipment linkage
      Bucket
      Bucket positioner and boom kick-out
      Work equipment cylinder
      Air conditioner
      Machine monitoring system
      Machine monitor
      List of items displayed on monitor
      Electrical system (HST controller system)
      HST controller
      Function of selecting directional selector switch
      Engine start circuit
      Engine stop circuit
      Preheating circuit (automatic preheating system)
      Parking brake circuit
      Electronically controlled suspension system
      Sensors
      STANDARD VALUE TABLE FOR engine
      STANDARD VALUE TABLE FOR CHASSIS
   TESTING AND ADJUSTING
      Tools for testing, adjusting, and troubleshooting
      Measuring engine speed
      Measuring exhaust gas color
      Adjusting valve clearance
      Measuring compression pressure
      Measuring blow-by pressure
      Testing and adjusting fuel injection timing
      Measuring engine oil pressure
      Measuring, testing operating force of accelerator pedal
      Adjusting engine stop solenoid
      Adjusting engine speed sensor
      Testing and adjusting air conditioner compressor belt tension
      Measuring directional lever
      Testing and adjusting HST oil pressure
      Measuring clutch control pressure
      Testing and adjusting steering wheel
      Testing and adjusting steering oil pressure
      Bleeding air from steering circuit
      Testing hydraulic fan
      Measuring brake pedal
      Testing and adjusting brake pedal linkage
      Measuring brake oil pressure
      Bleeding air from brake circuit
      Measuring parking brake performance
      Measuring and adjusting work equipment control lever
      Testing and adjusting work equipment hydraulic pressure
      Testing and adjusting work equipment PPC oil pressure
      Bleeding air
      Releasing remaining pressure in hydraulic circuit
      Testing and adjusting bucket positioner
      Testing and adjusting of boom kick-out
      Checking proximity switch actuation display lamp
      Special functions of machine monitor
      Pm CLINIC INSPECTION CHART
      TESTING AND ADJUSTING
      Points to remember when troubleshooting
      Sequence of events in troubleshooting
      Precautions when carrying out maintenance
      Check before troubleshooting
      Categories, procedure, and method of using troubleshooting charts
      Phenomena considered to be failures and troubleshooting no.
      Connection table for connector pin numbers
      T-adapter table
      Connector types and mounting locat
      ions
      Connector layout drawing
      TROUBLESHOOTING
      Before troubleshooting code display
      Before troubleshooting electrical system
      Information contained in troubuleshooting table
      TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
      Before troubleshooting code display
      Before troubleshooting electrical system
      Information contained in troubuleshooting table
      TROUBLESHOOTING OF monitor SYSTEM (mon MODE)
      Before troubleshooting electrical system
      Information contained in troubuleshooting table
      TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
      Method of using troubleshooting chart
      Failure code and cause table
      TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
      Method of using troubleshooting charts
      TROUBLESHOOTING OF ENGINE (S MODE)
      How to read this manual
      Precautions when carrying out operation
      Special tool list
      Sketch of special tools
      Removal, installation of fuel injection pump assembly
      Removal, installation of nozzle holder assembly
      Removal, installation of cylinder head assembly
      Removal, installation of engine assembly
      Removal, installation of radiator assembly
      Removal, installation of air aftercooler
      Removal, installation of hydraulic oil cooler assembly
      Removal, installation of cooling fan and fan motor assembly
      Removal, installation of fuel tank assembly
      Removal, installation of transfer
      Disassembly, assembly of transfer assembly
      Removal, installation of parking brake assembly
      Disassembly, assembly of parking brake assembly
      Removal, installation of front axle assembly
      Removal, installation of rear axle assembly
      Disassembly, assembly of axle housing assembly
      Disassembly, assembly of differential assembly
      Removal, installation of HST pump and 4-gear pump assembly
      Removal, installation of HST motor 1 assembly
      Removal, installation of HST motor 2 assembly
      Removal, installation of work equipment control valve assembly
      Removal, installation of travel damper valve assembly
      Removal, installation of hydraulic tank assembly
      Removal, installation of work equipment assembly
      Disassembly and assembly of HST pump assembly
      Disassembly and assembly of HST motor assembly
      Disassembly, assembly of hydraulic cylinder assembly
      Removal, installation of operator's cab assembly
      Removal, installation of operator's cab glass (Stuckglass)
      Removal, installation of center hinge pin
      Removal, installation of counterweight
      Removal, installation of air conditioner unit assembly
      Removal, installation of air conditioner compressor assembly
      Removal, installation of monitor panel
   DISASSEMBLY AND ASSEMBLY
   OTHERS