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: 986
Number: VEBM480104 (march 2000)
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Wheel Loader
WA470-3
Serial No. WA470H20051 and up
Contents
-GENERAL
Dimensions And Weights
Specifications
Weight Table
List Of Lubricant And Water
Outlines Of Service
General View Of Controls And Gauges
Torque List
-STRUCTURE AND FUNCTION
Power Train
Power Train System
Torque Converter, Transmission Piping
Transmission Hydraulic System Diagram
Transmission Hydraulic Circuit Diagram
Torque Converter
Transmission
Clutch
Transmission Control Valve
Transmission Solenoid Valve
Main Relief Valve
Torque Converter Outlet Port Valve
Priority Valve
Directional Selector Valve
H-L Selector Valve And Range Selector Valve
Emergency Manual Spool
Electronic Control Modulation Valve (ECMV)
Pilot Oil Filter
Accumulator Valve
Flow Valve
Drive Shaft
Axle
Differential
Final Drive
Axle Mount, Center Hinge Pin
Steering Piping
Steering Column, Orbit-Roll
Orbit-Roll Valve
Steering Demand Valve
Overload Relief Valve
Steering Relief Valve
Operation Of Demand Valve
Emergency Steering
Brake Piping
Brake Circuit Diagram
Brake Valve
Charge Valve
Accumulator For Brake System
Slack Adjuster
Brake Pressure Regulating Valve
Accumulator For PPC Valve
Brake Accumulator Unit
Brake
Parking Brake Control
Parking Brake
Parking Brake Valve
Hydraulic Piping
Work Equipment Hydraulic System Diagram
Work Equipment Hydraulic Circuit Diagrams
Work Equipment Lever Linkage
Hydraulic Tank
Breather
PPC Valve
PPC Relief Valve
Accumulator (For PPC Valve)
Cut-Off Valve
Main Control Valve
Relief Valve
Safety Valve (With Suction)
Suction Valve
Hydraulic Safety System
Work Equipment Linkage
Bucket
Bucket Positioner And Boom Kick-Out
Machine Monitor System
Transmission Auto-Shift Control System
Transmission Controller
ECSS (Electronic Controlled
Suspension System)
ALS-System
Sensors
Engine Starting Circuit
Engine Stop Circuit
Preheating Circuit
Ribbon Heater
Electric Transmission Control
Combination Switch
Kick-Down, Hold-Switch
Transmission Electric Circuit Diagram
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
Test Certificate
Standard Value Tables For Electrical Parts
Tools For Testing, Adjusting And Troubleshooting
Measuring Engine Speed
Measuring Intake Air Pressure
Testing And Adjusting Valves And Injectors
Measuring Blow-By Pressure
Measuring Engine Oil Pressure
Testing And Adjusting Fan Belt Tension
Measuring Stall Speed
Measuring Engine Speed
Measuring Intake Air Pressure (Boost Pressure)
Adjusting Valve Clearance
Measuring Exhaust Color
Measuring Exhaust Gas Temperature
Measuring Blow-By Pressure
Measuring Compression Pressure
Measuring Engine Oil Pressure
Testing And Adjusting Fuel Injection Timing
Method For Adjusting Engine Motor Stop Cable
Testing And Adjusting Fan Belt Tension
Measuring Accelerator Pedal
Basic Adjustment Of 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
Measuring Steering Oil Pressure
Measuring Brake Performance
Testing Brake Oil Pressure
Measuring Brake Disc Wear
Bleeding Air From Brake System
Measuring Parking Brake Performance
Method For Manual Release Of 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)
Checking For Abnormality In Fuel Level Sensor
-TROUBLESHOOTING
Points To Remember When Troubleshooting
Sequence Of Events In Troubleshooting
Precautions When Carrying Out Maintenance
Handling Connectors
Checks Before Troubleshooting
Method Of Using Troubleshooting Charts
Connector Types And Mounting Locations, Connector Pin Arrangement Diagrams
Mounting Location Of Diodes
Troubleshooting Of Engine (S Mode)
Troubleshooting Of Main Monitor System (M Mode)
Troubleshooting Of Maintenance Monitor System (K Mode)
Troubleshooting Of Electrical System (E Mode)
Troubleshooting Of Transmission Controller (A Mode)
Troubleshooting Of Hydraulic And Mechanical System (Chassis Related) (T Mode)
Troubleshooting Of ECSS (Electronically Controlled Suspension System) (D Mode)
-DISASSEMBLY AND ASSEMBLY
Method Of Using Manual
Precautions When Carrying Out Operation
Special Tool List
Starting Motor
Alternator
Oil Cooler
Fuel Injection Pump
Water Pump
Turbocharger
Nozzle Holder
Thermostat
Cylinder Head
Radiator
Engine
Torque Converter Charging Pump
Torque Converter, Transmission Removal
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, Orbit Roll
Steering Valve
Steering, Switch Pump
Steering Cylinder
Brake Valve
Right Brake Valve (Tandem)
Left Brake Valve (Single)
Slack Adjuster
Brake
Parking Brake Disc
Hydraulic Tank
Work Equipment, PPC Pump
PPC Valve
Main Control Valve
Bucket Cylinder
Boom Cylinder
Hydraulic Cylinder
Work Equipment
Counterweight
Fuel Tank
Cab
Main Monitor
Maintenance Monitor
Air Conditioner Unit
Air Conditioner Condenser
Dry Receiver
Air Conditioner Compressor
Tires
-MAINTENANCE STANDARD
Engine Mount, Transmission Mount
Torque Converter
Transmission
Transmission Control Valve
Drive Shaft
Differential
Final Drive
Axle Mount
Steering Column, Orbit Roll
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
Boom Cylinder
Bucket Cylinder
Center Hinge Pin
Work Equipment Linkage
Bucket
Bucket Positioner And Boom Kick-Out
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