Komatsu Wheel Loader WA470-7 service & repair manual

Description Komatsu Wheel Loader WA470-7 service & repair manual

Komatsu Wheel Loader WA470-7 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
A47001 and up
H52051 and up
10001 and up

Technical data, specifications, maintenance procedures, testing, troubleshooting, electrical diagrams, schematics, instructions for adjustment, assembly, disassembly, removal and installation

MANUAL CONTENT:
Specification
Specification drawing
Weight table
Table of fuel, coolant, and lubricants

Structure and function
Engine and cooling system
Engine related parts
KVGT
EGR system piping drawing
EGR system circuit diagram
EGR valve
EGR cooler
KCCV layout drawing
KCCV ventilator
KDPF
Cooling system
Cooling fan pump
Cooling fan motor
Power train
Power train system
Drive shaft
Power train piping drawing
Transmission control
Torque converter
Transmission
Transmission control valve
Forward and reverse clutch ECMV and 1st and 2nd clutch ECMV
3rd, 4th clutch ECMV
Lockup clutch ECMV
Main relief and torque converter relief valve
Axle
Differential
Final drive
Steering system
Layout of steering parts
Steering column
Steering pump
Steering valve
Orbit-roll valve
Stop valve
Emergency steering motor
Emergency steering pump
Brake system
Layout of brake parts
Charge valve
Brake valve
Slack adjuster
Accumulator (for brake)
Brake
Parking brake control
Parking brake
Parking brake solenoid valve
Parking brake emergency release valve
Undercarriage and frame
Axle mount and center hinge pin
Tire
Hydraulic system
Hydraulic component layout
Work equipment control
Double type gear pump
Work equipment pump
Control valve
CLSS
Hydraulic circuit diagram and names of valves
Accumulator charge valve
Work equipment lock solenoid valve
Accumulator (for PPC circuit)
Accumulator (for ECSS)
Work equipment
Work equipment linkage
Bucket
Bucket positioner and boom positioner
Cab and its attachments
ROPS cab
Electrical system
Engine control system
Preheating system
Engine power mode selector circuit
Engine output limit function
Automatic warm-up function
Parking brake control system
System operating lamp function
Battery disconnect switch function
Transmission controller system
Work equipment control system
Machine monitor system
Rear view monitor system
KOMTRAX system
System component parts
Sensor

Standard value tables
Standard service value table
Standard value table for engine
Standard value table for machine
Standard value table for electrical system

Testing and adjusting
General information on testing and adjusting
Tools for testing and adjusting
Sketch of tools for testing and adjusting
Engine and cooling system
Testing engine speed
Testing boost pressure
Testing exhaust gas color
Testing and adjusting valve clearance
Testing compression pressure
Testing blowby pressure
Testing engine oil pressure
Testing EGR valve and KVGToil pressures
Testing fuel pressure
Testing fuel return rate and leakage
Bleeding air from fuel system
Testing fuel circuit for leakage
Handling cylinder cutout mode operation
Handling no injection cranking operation
Testing of KDPF and muffler stack for looseness and damage
Testing of installed condition of cylinder head and manifolds
Testing engine piping for damage and looseness
Testing and adjusting air conditioner compressor belt tension
Testing and adjusting alternator belt
Writing compensation values at replacement of injector and engine controller
Power train

Troubleshooting
General information on troubleshooting
Troubleshooting points
Sequence of events in troubleshooting
Check before troubleshooting
Inspection procedure before troubleshooting
Preparation work for troubleshooting of electrical system
Classification and procedures for troubleshooting
Symptom and troubleshooting numbers
Information in troubleshooting table
Connector list and layout
Connector contact identification
T-branch box and T-branch adapter table
Fuse location table
Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement
Precautions on troubleshooting of machine monitor
Processing procedure of harness checker for troubleshooting of machine monitor LCD

Disassembly and assembly
General information on disassembly and assembly
Coating materials list
Special tools list
Sketches of special tools
Engine and cooling system

Maintenance standard
Engine and cooling system
Engine related parts
Cooling fan pump
Cooling fan motor
Power train
Drive shaft
Torque converter
Transmission
Transmission control valve
Forward and reverse clutch ECMV and 1st and 2nd clutch ECMV
3rd, 4th clutch ECMV
Lockup clutch ECMV
Main relief and torque converter relief valve
Axle
Differential
Final drive
Steering system
Steering column
Steering pump
Steering valve
Steering cylinder
Emergency steering pump
Brake system
Charge valve
Slack adjuster
Brake
Parking brake
Parking brake solenoid valve
Undercarriage and frame
Axle mount and center hinge pin
Hydraulic system
Hydraulic tank
Double type gear pump
Work equipment pump
Control valve
Work equipment
Work equipment linkage
Bucket
Work equipment cylinder

Air conditioner components
Precautions for refrigerant
Air conditioner component
Configuration and function of refrigeration cycle
Outline of refrigeration cycle
Air conditioner unit
Dual pressure switch
Air conditioner controller
Compressor
Condenser
Receiver drier
Sunlight sensor
Outer temperature sensor (outside air temperature sensor)
Procedure for testing and troubleshooting
Circuit diagram and arrangement of connector pins
System diagram
Parts and connectors layout
Testing with self-diagnosis function
How to open the electrical system abnormality record screen in service mode of the machine monitor
Testing temperature control system
Testing vent (mode) changeover
Testing FRESH/RECIRC air changeover
Check evaporator temperature sensor
Testing relays
Troubleshooting chart
Information in troubleshooting table

Diagrams and drawings
Hydraulic circuit diagram
Symbols in hydraulic circuit diagram
Hydraulic circuit diagram of power train
Electric circuit diagram
Symbols in electric circuit diagram
Electrical circuit diagram of machine body
Electrical circuit diagram of floor

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