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: 962
Number: VEBM450104 (march 2000)
Bookmarks: Yes
Searchable: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Wheel Loader
WA320-3
SN WA320H20051 And Up
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 Hydraulic System Diagram
Torque Converter
Torque Converter 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
2-Way Restrictor Valve
Emergency Steering
Brake Piping
Brake Hydraulic Circuit Diagram
Brake Valve
Accumulation Charge Valve
Accumulation (For Brake)
Brake Pressure Regulation Valve
Accumulator 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 Controller
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 Accelerator 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 Manual 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
Precautions When Carrying Out Operation
Special Tool List
Sketches Of Special Tools
Starting 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
Drive 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, Steering 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 Conditioner 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
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