Komatsu WA320-3 (SN from H20051) 4WD Wheeled Loaders (Germany) Workshop Manual (VEBM450104)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA320-3.

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 (Germany):
   WA320-3 (SN: H20051-)

Format: PDF, 962 pages
Language: English
Table of Contents:
   General
      Dimensions and weights
      Specification
      Weight table
      General view of controls and gauges
      Dimensions and weights
      Specification
      List of lubricant and water
      Ountlines of service
      General view of controls and gauges
      Torque list
   Structure and function
      Power train
      Power train system
      Toque converter, transmission piping
      Transmission hydrqulic system diagram
      Torque converter
      Torque cnverter oil filter
      Transmission
      Clutch
      Transmission control valve
      Transmission solenoid valve
      Pilot reducing valve
      Main relief valve
      Torque converter outlet port valve
      Priority valve
      Quick return valve
      Directional selector valve
      H-L selector valve and range selector valve
      Emergency manual spool
      Modulation valve
      Pilot oil filter
      Accumulation valve
      Drive shaft
      Axle
      Differential
      Final drive
      Axle mount, center hinge pin
      Steering piping
      Steering column, orbit roll
      Priority valve
      Steering valve (orbit roll)
      Cushion valve
      way restrictor valve
      Emergency steering
      Brake piping
      Brake hydraulic circuit diagram
      Brake valve
      Accumulation charge valve
      Accumulation (for brake)
      Brake pressure regulation valve
      Accumutator for PPC valve
      Brake accumulator unit
      Brake
      Parking brake control
      Parking brake
      Parking brake valve
      Hydraulic piping
      Work equipment hydraulic circuit diagram
      Work equipment lever linkage
      Hydraulic tank
      Oil filter bypass valve
      PPC valve
      Operation of PPC relief valve
      Accumulator (for PPC valve)
      Main control valve up to H20343
      Relief valve up to H20343
      Safety valve with suction up to H20343
      Suction valve up to H20343
      Main control valve from H20344 up to H20710
      Safety valve with suction: H20344 and up
      Anticavitation valve: H20344 and up
      Main control valve:H20711 and up
      Operation of cut-off valve up to H20343
      Work equipment valve operation
      Hydraulic safety system up to H20710
      Work equipment linkage
      Bucket
      Bucket positioner and boom kick-out
      Machine monitor system
      Main monitor
      Maintenance monitor
      Transmission auto-shift control function
      Transmission controler
      E.C.S.S. (ALS-electronic)
      Sensors
      Engine starting circuit
      Etherstart (option)
      Engine start/stop/preheating circuit
      Ribbon heater: H20561 and up
      Electric transmission control
      Kick-down/hold switch
      Kick-down electric circuit diagram (normal)
      Transmission cut-off switch
      Transmission cut-off function
      Electric parking brake control
      Air-conditioner
      Wiring diagrams
   Testing and adjusting
      Standard value table for engine
      Standard value table for chassis
      Standard value table for electrical system
      Test certificate WA320-3
      Tools for testing and adjusting
      Measuring compression pressure
      Measuring blow-by pressure
      Testing and adjusting fuel injection timing
      Measuring exhaust color
      Measuring intake air pressure (boost pressure)
      Measuring engine oil pressure
      Testing the fan belt tension
      Measuring acceerator pedal
      Basic adjustment of accelerator pedal
      Measuring operating force, travel of speed lever
      Measuring stall speed
      Measuring torque converter, transmission, parking brake pressure
      Method of operating emergency manuel spool
      Measuring clearance between tire and wheel
      Testing and adjusting steering wheel
      Measuring steering oil pressure
      Measuring operating force, travel of brake pedal
      Measuring brake performance
      Testing brake oil pressure
      Testing for brake disc wear
      Bleeding air from brake system
      Measuring parking brake performance
      Manual release note for parking brake
      Testing wear of parking brake disc
      Measuring work equipment control lever
      Measuring work equipment hydraulic pressure
      Measuring PPC valve pressure
      Measuring work equipment
      Testing and adjusting bucket positioner
      Testing and adjusting boom kick-out
      Adjusting main monitor (speedometer module)
      Gas side test and topping up gas pressure
      Hydraulic accumulator
   Disassembly and assembly
      Method of using manual
      Precautions when carrying out operation
      Special tool list
      Sketches of special tools
      SDtarting motor
      Alternator
      Engine oil cooler
      Fuel injection pump
      Water pump
      Turbocharger
      Thermostat
      Cylinder head
      Radiator
      Engine
      Torque converter charging pump
      Torque converter, transmission
      Torque converter
      Transmission
      Transmission clutch pack
      Transmission control valve
      Transmission accumulator valve
      Transmission modulating valve
      Drife shaft
      Front axle
      Rear axle
      Differential
      Axle housing
      Center hinge pin
      Priority valve
      Steering valve
      Steering cylinder
      Right brake valve (tandem)
      Left brake valve (single)
      Parking brake disc
      Hydraulic tank
      Hydraulic filter
      Hydraulic, steerring pump
      Main control valve
      PPC valve
      Bucket cylinder
      Boom cylinder
      Hydraulic cylinder
      Work equipment
      Counterweight
      Fuel tank
      Cab
      Main monitor
      Maintenance monitor
      Air conditioner unit
      Air conditrioner condenser
      Dry receiver
      Air conditioner compressor
   Maintenance standard
      Engine mount, transmission mount
      Torque converter charging pump
      Torque converter
      Transmission
      Transmission control valve
      Modulation valve assembly
      Accumulation valve
      Drive shaft
      Differential
      Final drive
      Axle mount
      Center hinge pin
      Steering column
      Priority valve
      Steering cylinder mount
      Brake
      Brake valve
      Parking brake
      Hydraulic pump
      Main control valve
      PPC valve
      Hydraulic cylinder
      Work equipment linkage
      Bucket
      Bucket positioner and boom kick-out