Factory Shop Manual For Komatsu Wheel Loader. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.
Format: PDF
Language: English
Pages: 828
Number: SEBM006204 (september 1997)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Wheel Loader
Avance WA420-3
SN 50001 And Up
Contents
-GENERAL
General Assembly Drawing
Specifications
Weight Table
List Of Lubricant And Water
-STRUCTURE AND FUNCTION
Power Train
Power Train System
Torque Converter, Transmission Piping
Transmission Hydraulic System Diagram
Transmission Hydraulic Circuit Diagram
Torque Converter
Torque Converter Oil Filter
Transmission
Transmission Control Valve
Transmission Solenoid Valve
Pilot Oil Filter
Drive Shaft
Axle
Differential
Final Drive
Axle Mount, Center Hinge Pin
Steering Piping
Steering Column
Steering Valve
Orbit-Roll Valve
Stop Valve
Emergency Steering Pump
Diverter Valve
Brake Piping
Brake Circuit Diagram
Brake Valve
Charge Valve
Accumulator (For Brake)
Slack Adjuster
Brake
Parking Brake Control
Parking Brake
Parking Brake Solenoid Valve
Parking Brake Valve
Parking Brake Emergency Release Solenoid Valve
Hydraulic Piping
Work Equipment Hydraulic System Diagram
Work Equipment Hydraulic Circuit Diagram
Work Equipment Lever Linkage
Hydraulic Tank
PPC Valve
PPC Relief Valve
Accumulator (For PPC Valve)
Main Control Valve
Work Equipment Linkage
Bucket
Bucket Positioner And Boom Kick-Out
Cab
ROPS Cab
Air Conditioner
Electrical Circuit Diagram
Machine Monitor System
Main Monitor
Maintenance Monitor
Work Equipment Control System
ECSS
Sensors
Engine Starting Circuit
Engine Stop Circuit
Preheating Circuit
Electric Transmission Control
Kick-Down Switch
Kick-Down Electric Circuit Diagram
Transmission Cut-Off Switch
Transmission Cut-Off Function
Electric Parking Brake Control
-TESTING AND ADJUSTING
Standard Value Table For Engine
Standard Value Table For Chassis
Standard Value Table For Electrical System
Tools For Testing, Adjusting, And Troubleshooting
Adjusting Valve Clearance
Measuring Compression Pressure
Testing And Adjusting Fuel Injection Timing
Measuring Exhaust Gas Color
Measuring Intake Air Pressure (Boost Pressure)
Measuring Blowby Pressure
Testing And Adjusting Fan Belt Tension
Measuring Engine Speed
Method For Adjusting Engine Stop Motor Cable
Measuring Engine Oil Pressure
Measuring Exhaust Gas Temperature
Measuring Accelerator Pedal
Measuring Operating Force, Travel Of Speed Lever
Measuring Stall Speed
Measuring Torque Converter, Transmission, Parking Brake Oil Pressure
Method Of Operating Emergency Manual Spool
Measuring Clearance Between Tire And Wheel
Testing And Adjusting Steering Wheel
Testing And Adjusting Steering Linkage
Measuring Steering Oil Pressure
Measuring Operating Force, Travel Of Brake Pedal
Measuring Brake Performance
Testing Brake Oil Pressure
Measuring Brake Disc Wear
Bleeding Air From Brake System
Testing And Adjusting Accumulator Charge Pressure
Measuring Parking Brake Performance
Method For Manual Release Of Parking Brake
Measuring Parking Brake Disc Wear
Measuring Work Equipment Control Lever
Measuring Work Equipment Hydraulic Pressure
Measuring Work Equipment
Testing And Adjusting Bucket Positioner
Testing And Adjusting Boom Kick-Out
Adjusting Main Monitor (Speedometer Module)
Testing For Abnormality In Fuel Level Sensor
Adjusting Boom, Bucket Angle Potentiometer
Troubleshooting
-DISASSEMBLY AND ASSEMBLY
Precautions When Carrying Out Operation
Special Tool List
Starting Motor
Alternator
Engine Oil Cooler
Aftercooler Core
Fuel Injection Pump
Water Pump
Turbocharger
Nozzle Holder
Thermostat
Cylinder Head
Radiator
Engine
Torque Converter Charging Pump
Torque Converter, Transmission
Torque Converter
Transmission
Transmission Clutch Pack
Parking Brake
Transmission Control Valve
Transmission Accumulator Valve
Drive Shaft
Front Axle
Rear Axle
Front Differential
Rear Differential
Differential
Final Drive
Center Hinge Pin
Steering Valve
Steering Valve
Steering Demand Valve
Steering, Switch Pump
Steering Cylinder
Brake Valve
Right Brake Valve (Tandem)
Left Brake Valve (Single)
Slack Adjuster
Brake
Parking Brake Disc
Accumulator Charge Valve
Hydraulic Tank
Work Equipment, PPC Pump
PPC Valve
Main Control Valve
Bucket Cylinder
Boom Cylinder
Work Equipment
Counterweight
Fuel Tank
Cab
Main Monitor
Maintenance Monitor
Air Conditioner Unit
Air Conditioner Condenser
Dry Receiver
Air Conditioner Condenser Compressor
-MAINTENANCE STANDARD
Engine Mount, Transmission Mount
Torque Converter
Transmission
Transmission Control Valve
Drive Shaft
Differential
Final Drive
Axle Mount
Steering Column
Steering Valve
Steering Cylinder Mount
Slack Adjuster
Brake Valve
Brake
Parking Brake
Torque Converter, Transmission Pump
Steering, Switch Pump
Hydraulic, PPC Pump
PPC Valve
Cut-Off Valve
Main Control Valve
Hydraulic Cylinder
Center Hinge Pin
Work Equipment Linkage
Bucket
Bucket Positioner And Boom Kick-Out
What you get
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