komatsu wa270 3 wa270pt 3 wheel loader shop manual vebm340200 1

komatsu wa270 3 wa270pt 3 wheel loader shop manual vebm340200 2

komatsu wa270 3 wa270pt 3 wheel loader shop manual vebm340200 3

komatsu wa270 3 wa270pt 3 wheel loader shop manual vebm340200 4

komatsu wa270 3 wa270pt 3 wheel loader shop manual vebm340200 5

Komatsu WA270-3, WA270PT-3 Wheel Loader Shop Manual VEBM340200

$40.00

Type Of Manual: Shop Manual
Manual ID: VEBM340200
Format: PDF
Size: 38.6MB
Number of Pages: 588

Category: Komatsu Shop Manual PDF

Model List:
- WA270-3 Wheel Loader
- WA270PT-3 Wheel Loader

1. Shop Manual VEBM340200
1.1. Contents
1.2. Safety notice
1.3. Foreword
1.4. How to read the shop manual
1.5. Hoisting instructions
2. General
2.1. WA2703 Dimensions, Operating Data
2.2. WA270PT3 Dimensions, Operating Data
2.3. Specifications
2.4. WA2703 Weight Table
2.5. WA270PT3 Weight Table
2.6. Lubricants and Operating Equipment
2.7. Maintenance Schedule
2.8. Outlines of Service
2.9. Torque List
2.10. General View of Controls and Gauges
2.11. Emergency Drive
3. Structure and Function
3.1. Power Train
3.2. Power Train System
3.3. Torque Converter and Gearbox Piping
3.4. Torque Converter
3.4.1. Principle of Operation
3.5. Powershift Transmission
3.5.1. Reversing Transmission 4WG150
3.5.1.1. Front View
3.5.1.2. Side View
3.5.1.3. Rear View
3.5.1.4. Electro Hydraulic Control Valve
3.5.1.4.1. Detail X
3.5.1.5. Inductive Sender
3.5.1.6. Proximity Switch
3.5.1.7. Pressure Check Points
3.5.1.8. Transmission Hydraulic Diagram
3.5.1.9. Solenoid Expansion Valve and Overlap Valve
3.5.1.10. Thermostat Valve
3.5.2. Reversing Transmission 4WG160
3.5.2.1. Front View
3.5.2.2. Side View
3.5.2.3. Rear View
3.5.2.4. ElectroHydraulic Shift Control with Proportional Valves
3.5.2.5. Measuring Points and Conenctions
3.5.2.6. Oil Circuit Diagram Forward 1. Speed
3.5.2.7. Inductive Sender
3.5.2.8. Proximity Switch
3.5.2.9. Thermostat Valve
3.6. Drive Shaft
3.7. Front and Rear Axles
3.8. Differential Unit CK
3.9. Differential
3.9.1. Limited Slip Differential
3.10. Wheel Hub
3.11. Axle Mounting
3.12. Steering Articulation Joint
3.12.1. Outline
3.12.2. Assembly
3.13. Steering System
3.13.1. Steering Column, Orbit Roll
3.13.2. Steering Hydraukic Diagram
3.13.3. Hydraulic Steering System
3.13.3.1. In Neutral
3.13.3.2. In Use
3.13.4. Steering Servostat Control Valve
3.13.4.1. Neutral Position
3.13.4.2. Steering Position
3.13.5. Steering and Working Hydraulic Pump
3.13.6. Steering Orbit Roll
3.13.7. Steering Valve Block
3.13.8. Steering Damper
3.14. Steering Cylinder
3.14.1. Steering Cylinder
3.15. Emergency Steering Pump
3.16. Brake System
3.16.1. Brake Valve
3.16.1.1. Operating
3.16.2. Brake System Circuit
3.16.3. Gear Pump
3.16.4. Pressure Filter
3.16.5. Pressure Regulating Valve
3.16.6. Operation
3.16.7. Pressure Switch
3.16.8. Brake Accumulator
3.16.8.1. Hydraulic Circuit
3.17. Work Equipment Hydraulic System
3.17.1. Pilot Servo System
3.17.2. Oil Cooler
3.17.3. Combined Cooler
3.17.4. Working Hydraulic Pump
3.17.5. WA2703 Hydraulic System Diagram
3.17.6. WA270PT3 Hydraulic System Diagram
3.17.7. WA2703 Cut Off Valve
3.17.8. WA270PT3 Pilot Solenoid Valve
3.17.9. Main Control Valve
3.17.9.1. Shock and Anticavitation Valve
3.17.9.2. Anticavitation Valve
3.17.10. Pressure Control Valve
3.17.11. Joystick, Servo Control Valve
3.17.12. Lift Cylinder
3.17.13. Tilt Cylinder
3.17.14. ALSControl Unit
3.17.15. ALS Hydraulic Diagram
3.17.16. GasSide Test
3.17.17. Topping Up Gas Pressure
3.17.18. Hydraulic Accumulator
3.18. Lifting Frame
3.18.1. WA2703
3.18.2. WA270PT3
3.19. Bucket Positioner and Boom Kick Out
3.19.1. WA2703
3.19.2. WA270PT3
3.19.2.1. Bucket or Fork Positioner
3.19.2.2. Boom Kick Out
3.20. Machine Monitor System
3.20.1. Main Monitor
3.20.1.1. Display Function
3.20.1.2. Switch Function
3.20.2. Maintenance Monitor
3.20.2.1. Display Function
3.21. Electrical System
3.21.1. PreHeater Plug
3.21.2. Fuses
3.21.2.1. Slow Blow Fuses
3.21.3. Relays
3.21.4. Heating and Ventilation System
3.21.5. Wiring Diagrams
3.22. Air Conditioner
3.22.1. In General
3.22.2. Characteristics
3.22.3. Physical Datas
3.22.4. Function
3.22.4.1. Coolant Circuit
3.22.4.2. Handling Coolants
3.22.4.3. Regular Maintenance
3.22.4.4. Filling
3.22.4.5. Evacuation
3.22.4.6. Siphoning Coolant
3.22.4.7. Filling Quantity
3.22.4.8. Checking Coolant Level
3.22.4.9. Compressor Oil Change
3.22.4.10. Exchange of Magnetic Clutch
3.22.4.11. Exchange of Compressor
3.22.4.12. Service Operations
3.22.5. Electrical System
3.22.5.1. Pin assignment
3.22.5.2. Wiring Diagram
3.22.6. Technical Data
3.22.7. Fault Diagnosis
3.22.7.1. Preconditions
3.22.7.3. Operating Mode Switch
3.22.7.4. Circulating Air Mode
3.22.7.5. Temperature Setting
3.22.7.6. Air Conditioning Mode
3.22.8. Troubleshooting
4. Testing and Adjusting
4.1. Contents
4.1.1. Standard Value Table
4.1.2. Test Certificate
4.1.2.1. WA2703, current
4.1.2.2. WA270PT3, current
4.1.2.3. WA2703, new
4.1.2.4. WA270PT3, new
4.1.3. Engine RPM Load
4.1.4. Hydraulic RPM Load
4.1.5. Torque Converter And Transmission Pressure
4.1.5.1. Current, with 4WG150
4.1.5.2. New, with 4WG160
4.1.6. Inductive Sender
4.1.7. Proximity Switch
4.1.8. Operating Force and Travel of Speed Lever
4.1.9. Operating Force of Steering Wheel
4.1.10. Operating Time for Steering Wheel
4.1.11. Steering Pressure
4.1.12. Switch Pump Pressure CutOff
4.1.13. Working Hydraulic Pressure
4.1.14. Servo Pilot Pressure
4.1.15. Hydraulic Drift of Work Equipment
4.1.16. Work Equipment
4.1.17. Brake Oil Pressure
4.1.18. Brake Wear
4.1.19. Bleeding of Brake
4.1.20. Main Brake Performance
4.1.21. Parking Brake Performance
4.1.22. Main Monitor
4.1.22.1. Speedometer Modul
4.1.23. Boom KickOut
4.1.24. Accelerator Pedal
4.2. Troubleshooting
4.2.1. Datas
4.2.2. Connecting of AEBStarter and ZFDisplay
4.2.3. Operating Instructions AEBStarter
4.2.3.1. Introduction
4.2.3.2. List of abbreviations
4.2.3.3. Procedures to start AEB
4.2.3.4. Display
4.2.4. Description of fault codes for ERGOControl EST37
4.2.4.1. Introduction
4.2.4.2. Display during operation
4.2.4.3. Display during AEBMode
4.2.4.4. Definition of operating modes
4.2.4.5. Table of fault codes
4.2.4.6. Measuring of resistance at actuator/sensors and cable
5. Disassembly and Assembly
5.1. Contents
5.1.1. Method Of Using Manual
5.1.2. Precautions
5.1.3. Special Tool List
5.1.4. Removal and Install
5.1.4.1. Hydraulic Filter
5.1.4.2. Steering Cylinder
5.1.4.3. Bucket Cylinder
5.1.4.4. Boom Cylinder
5.1.4.6. Main Monitor
5.1.4.7. Maintenance Monitor
5.1.4.8. PPCValve
5.1.4.9. Main Control Valve
5.1.4.10. Steering Valve
5.1.4.11. Priority Valve
5.1.4.12. Working and Steering Pump
5.1.4.13. Drive Shaft
5.1.4.14. Front Axle
5.1.4.15. Rear Axle
5.1.4.16. Center Hinge Pin
5.1.4.18. Air Conditioner
5.1.4.18.1. Condenser/Dry Receiver
5.1.4.18.2. Compressor
5.1.5. Disassembly and Assembly
5.1.5.1. Axle AP408
5.1.5.1.1. Overview
5.1.5.1.2. Gear ToothContact
5.1.5.1.3. Braking System
5.1.5.1.4. Special Tools
5.1.5.1.5. Planetary Rigid Axle
5.1.5.2. Reversing Transmission 4WG150
5.1.5.2.1. Special Tools
5.1.5.2.2. ElectroHydraulic Shifting Mechanism
5.1.5.2.3. Gear Box
5.1.5.3. Reversing Transmission 4WG160
5.1.5.3.1. General View
5.1.5.3.2. Special Tools
5.1.5.3.3. Hydraulic Control Unit
5.1.5.3.4. Powershift Transmission
6. trouble1.pdf
6.1. Connecting of AEBStarter and ZFDisplay
6.2. Operating Instructions AEB Starter
6.3. KOMATSUP/N 34Y00H0P01
6.3.1. Introduction
6.3.2. List of abbreviations
6.3.2.1. Procedure to start AEB
6.3.2.1.2. Display
6.4. Introduction
6.4.1. Abbreviations
6.4.2. ZF Display (42100H0R05)
6.4.3. Display during operation
6.4.4. Display during AEBMode
6.5. Definition of operating modes

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