komatsu wa1200 6 wheel loader shop manual sen05774 02 1

komatsu wa1200 6 wheel loader shop manual sen05774 02 2

komatsu wa1200 6 wheel loader shop manual sen05774 02 3

komatsu wa1200 6 wheel loader shop manual sen05774 02 4

komatsu wa1200 6 wheel loader shop manual sen05774 02 5

Komatsu WA1200-6 Wheel Loader Shop Manual SEN05774-02

$40.00

Type Of Manual: Shop Manual
Manual ID: SEN05774-02
Format: PDF
Size: 4.9MB
Number of Pages: 181

Category: Komatsu Shop Manual PDF

Model List:
- WA1200-6 Wheel Loader

1. Cover
2. Index and foreword
2.1. Table of Contents
2.2. Foreword
2.2.1. Before reading this manual
3. Specification
3.1. Specification
3.1.1. Specification dimension drawing
3.1.2. Specifications
3.1.3. Weight table
3.1.4. Table of fuel, coolant and lubricants
4. Structure and function
4.1. Engine related items
4.1.1. Engine oil reserve system
4.2. Hydraulic system
4.2.1. Power ladder system
4.3. Electrical system
4.3.1. Power ladder controller
4.3.2. Rear view monitor system
4.3.3. Engine service monitor system
4.3.4. Parking brake circuit
4.3.5. Sensor
5. Standard value table
5.1. Standard value table
5.1.1. Standard value table for machine
5.1.2. Standard value table for electrical syst
6. Testing and adjusting
6.1. Testing and adjusting
6.1.1. Checking and adjustment of potentiomete
6.1.2. Ladder position calibration procedure
6.1.3. Procedure for testing diodes
7. Troubleshooting
7.1. General information on troubleshooting
7.1.1. Classification and procedures of troubleshooting
7.1.2. Failure codes table
7.1.3. Connector list and layout
7.1.4. Fuse locations
7.2. Troubleshooting by failure code
7.2.1. Failure code D1EMKA (Disconnection of parking brake interlock relay)
7.2.2. Failure code D1EMKB (Ground fault of parking brake interlock relay)
7.2.3. Failure code D1EMKY (Failure of parking brake interlock relay output Hot short circuit)
7.2.4. Failure code D1EPKA (Disconnection of ladder drive pump rel
7.2.5. Failure code D1EPKB (Ground Fault of Ladder Drive Pump Relay Output
7.2.6. Failure code D1EPKY (Failure of ladder drive pump relay output Hot short circuit)
7.2.7. Failure code D1EQKY (Failure of ladder external alarm relay output Hot short circuit)
7.2.8. Failure code D1EQKZ (Ladder operation alarm relay output abnormalityOpen circuit, ground fault)
7.2.9. Failure code D1ERKB (Ladder raise solenoid output ground fault)
7.2.10. Failure code D1ERKZ (Failure of ladder raise solenoid output Open circuit, or hot short circuit)
7.2.11. Failure code D1ESKB (Ladder lower solenoid output ground fault)
7.2.12. Failure code D1ESKZ (Failure of ladder lower solenoid output Open circuit, or hot short circuit)
7.2.13. Failure code DBL0KT (Nonvolatile memory write error)
7.2.14. Failure code DBL1KK (Power Low Error Battery direct)
7.2.15. Failure code DBL2KK (Solenoid Power Low Err
7.2.16. Failure code DDB6KZ (Parking brake system abnormality)
7.2.17. Failure code DDDGKY (Defective ladder operation switch Hot short circuit)
7.2.18. Failure code DDDKKY (Defective ladder raise switch Hot short circuit)
7.2.19. Failure code DDDLKY (Defective ladder lower switch Hot short circuit)
7.2.20. Failure code DK5VKX (Ladder angle sensor abnormality Out of range)
7.2.21. Failure code DK5VMA (Power ladder system abnormality)
7.2.22. Failure code DUM9KY (Failure of ladder indicator output Hot short circuit)
7.2.23. Failure code DUM9KZ (Failure of ladder indicator output Open circuit or ground fault)
7.2.24. Failure code DV00KY (Failure of ladder interlock caution output Hot short circuit)
7.2.25. Failure code DV00KZ (Ladder interlock caution output abnormality Open circuit, ground fault)
7.2.26. Failure code DWNLKA (Ladder cushion valve output open circuit)
7.2.27. Failure code DWNLKB (Ladder cushion valve output ground fault)
7.2.28. Failure code DWNLKY (Ladder cushion valve output hot short circuit)
7.3. Troubleshooting of electrical system (Emode),
7.3.1. E1 Power ladder does not operate
7.3.2. E2 Parking brake does not work (as emergency brake).
7.3.3. E3 Parking brake applies during traveling.
7.3.4. E4 Parking brake is released when starting switch is turned ON.
7.4. Troubleshooting for machine monitor (Mmode)
7.4.1. M1 Rearview monitor does not operate.
7.4.2. M2 The rearview monitor is dark even when clearance lamp is ON.
7.4.3. M3 Rearview monitor does not link to reverse movement.
7.4.4. M4 Cannot adjust the brightness of rearview monitor.
7.4.5. M5 Engine compartment lamp does not light.
7.4.6. M6 No lamp lights in front frame.
7.4.7. M7 Transmission room lamp does not light.
7.4.8. M8 Front and rear tire lamps do not light.
7.5. Troubleshooting of hydraulic and mechanical system (Hmode)
7.5.1. H1 Power ladder does not move or its speed is low
8. Diagrams and drawings
8.1. Hydraulic circuit diagram
8.1.1. Symbols used in hydraulic circuit diagram
8.1.2. Service center hydraulic diagram
8.2. Electrical circuit diagram
8.2.1. Symbols used in electric circuit diagram
8.2.2. Electrical circuit diagram

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