Komatsu WA470-5-H and WA480-5-H 4WD Wheeled Loaders (Germany) Workshop Manual (VEBM180101)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA470-5-H and WA480-5-H.

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):
   WA470-5-H (SN: H50051-)
   WA480-5-H (SN: H50051-)

Format: PDF, 1302 pages
Language: English
Table of Contents:
   SAFETY
      Safety
      General
      How to read the shop manual
      Hoisting instructions
      Coating materials
      Standard tightening torque
      Electric wire code
      Conversion tables
      Units
   GENERAL
      General assembly drawing
      Specifications
      Weight table
      List of lubricant and coolant
   STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
      Radiator, oil cooler
      Engine mount, transmission mount
      Power train
      Power train system diagram
      Drive shaft (propeller shaft)
      Torque converter, transmission piping
      Torque converter
      Transmission
      Transmission control valve
      Axle
      Differential
      Final drive
      Axle mounting, center hinge pin
      Steering piping
      Steering column, orbit-roll
      Steering valve
      Orbit-roll valve
      Stop valve
      Steering pump, switch pump
      Emergency steering pump (op)
      Emergency steering motor (op)
      Steering cylinder
      Joystick steering lever (op)
      Steering lever (op)
      Steering switch valve (op)
      Brake piping
      Brake valve
      Charge valve
      Accumulator (for brake)
      Slack adjuster
      Brake
      Parking brake control
      Parking brake
      Parking brake solenoid valve
      Parking brake emergency release valve
      Hydraulic piping
      Work equipment control lever
      Hydraulic tank
      Torque converter charging, work equipment, and PPC pumps
      PPC relief valve
      Travel damper valve (op)
      Work equipment control valve
      PPC valve
      Work equipment control epc valve (op)
      Shut off valve (op)
      Cooling fan motor
      Cooling fan motor drive pump
      Servo valve
      Safety valve
      Work equipment linkage
      Bucket
      Bucket positioner, lift arm kick-out
      Work equipment cylinder
      Cab (op)
      Air conditioner (op)
      Machine monitoring system
      Machine monitor
      Transmission control system
      Transmission controller
      Work equipment control system (op)
      Work equipment controller
      Electric transmission control
      Kick down, hold switch
      Engine starting circuit
      Engine stop circuit
      Parking brake circuit
      Turn signal, hazard lamp circuit
      Backup lamp, stop lamp circuit
      Small lamp, head lamp circuit
      Working lamp circuit
      Horn circuit
      Windshield wiper/window washer circuit (If equipped with cab)
      Sensors
      Standard value table for engine
      Standard value table for chassis
   TESTING AND ADJUSTING
      Measuring engine speed
      Measuring exhaust color
      Measuring exhaust temperature
      Adjusting valve clearance
      Measuring compression pressure
      Measuring blow-by pressure
      Measuring engine oil pressure
      Measuring air supply pressure (boost pressure)
      Measuring fuel pressure
      Adjusting engine speed sensor
      Handling equipment in fuel system
      Releasing remaining pressure in fuel system
      Bleeding air from fuel circuit
      Reduced cylinder mode operation for engine
      Checking for leakage in fuel system
      Adjusting accelerator pedal potentiometer
      Adjusting accelerator pedal microswitch
      Adjusting transmission speed sensor
      Testing and adjusting power train oil pressure
      Flushing torque converter, transmission hydraulic circuit
      Moving machine when transmission valve fails
      Testing and adjusting steering control
      Testing and adjusting steering oil pressure
      Measuring brake oil pressure
      Testing wear of wheel brake disc
      Bleeding air from brake circuit
      Testing wear of parking brake disc
      Manual release method for parking brake
      Testing and adjusting accumulator charge pressure
      Testing and adjusting ppc oil pressure
      Testing and adjusting work equipment hydraulic pressure
      Testing and adjusting bucket positioner
      Testing and adjusting lift arm kick-out
      Checking proximity switch actuation pilot lamp
      Adjusting machine monitor
      Testing and adjusting load meter
      Bleeding air
      Releasing remaining pressure in hydraulic circuit.
      Releasing remaining pressure in travel damper circuit
      Handling controller high-voltage circuit
   TESTING AND ADJUSTING
      Points to remember when troubleshooting
      Sequence of events in troubleshooting
      Precautions when carrying out maintenance
      Checks before troubleshooting
      Equipment for troubleshooting electrical system
      Special functions of machine monitor
      Flow of modes and functions
      Categories, procedure, and method of using troubleshooting charts
      Connection table for connector pin numbers
   TROUBLESHOOTING
      Connector types and installation positions
      Connectors layout drawing
      Engine control system diagram
      Error code [A000N1]
      Error code [AD00L2]
      Error code [AD00MA]
      Error code [AD10L3]
      Error code [AD10MA]
      Error code [AD10MB]
      Error code [AD11KA]
      Error code [AD11KB]
      Error code [AD51KA]
      Error code [AD51KB]
      Error code [ADA1KA]
      Error code [ADAZKB]
      Error code [ADB1KA]
      Error code [ADC1KA]
      Error code [ADD1KA]
      Error code [ADDZKB]
      Error code [ADE1KA]
      Error code [ADF1KA]
      Error code [D182KZ]
      Error code [D1D0KB]
      Error code [DB20KT]
      Error code [AB20KT]
      Error code [DB22KK]
      Error code [DB29KQ]
      Error code [DB2AMA]
      Error code [DD11KB]
      Error code [DGE3L6]
      Error code [DGE4KX]
      Error code [DH30KX]
      Error code [DH40KX]
      Error code [DK10KX]
      Error code [DLE3LC]
      Error code [DLH1LC]
      Error code [ENG-1]
   TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (ENG MODE)
      Connector types and installation positions
      Connector layout drawing
      Transmission control system diagram
      Error code [1500L1]
      Error code [15SAL1]
      Error code [15SALH]
      Error code [15SBL1]
      Error code [15SBLH]
      Error code [15SEL1]
      Error code [15SELH]
      Error code [15SFL1]
      Error code [15SFLH]
      Error code [15SGL1]
      Error code [15SGLH]
      Error code [15SHL1]
      Error code [15SHLH]
      Error code [15SJL1]
      Error code [15SJLH]
      Error code [989F00]
      Error code [989G00]
      Error code [B@C7NS]
      Error code [D150KA]
      Error code [D150KB]
      Error code [D160KA]
      Error code [D160KB]
      Error code [D191KA]
      Error code [D191KB]
      Error code [D192KA]
      Error code [D192KB]
      Error code [DAQ0KK]
      Error code [DAQ2KK]
      Error code [DAQ9KQ]
      Error code [DDK3KA]
      Error code [DDK3KB]
      Error code [DDK6KA]
      Error code [DDK6KB]
      Error code [DDS5KA]
      Error code [DDS5KB]
      Error code [DDT0L4]
      Error code [DDT4LD]
      Error code [DDW9LD]
      Error code [DDWLLD]
      Error code [DF10KA]
      Error code [DF10KB]
      Error code [DGF1KX]
      Error code [DGR2KA]
      Error code [DGR2KB]
      Error code [DHT1KX]
      Error code [DLE2KA]
      Error code [DLE2LC]
      Error code [DLT3KA]
      Error code [DT20KB]
      Error code [DW7BKA]
      Error code [DW7BKB]
      Error code [DW7CKA]
      Error code [DW7CKB]
      Error code [DX16KA]
      Error code [DX16KB]
      Error code [DXH1KA]
      Error code [DXH1KB]
      Error code [DXH4KA]
      Error code [DXH4KB]
      Error code [DXH5KA]
      Error code [DXH5KB]
      Error code [DXH6KA]
      Error code [DXH6KB]
      Error code [DXH7KA]
      Error code [DXH7KB]
      Error code [DXH8KA]
      Error code [DXH8KB]
      Error code [DXHHKA]
      Error code [DXHHKB]
      Error code [DY30MA]
      Error code [DY30MC]
      Action code [TM-1]
      Action code [TM-2]
      Action code [TM-3]
      Action code [TM-4]