Komatsu WA120-3 Wheel Loader Shop Manual SEBM018300

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Komatsu WA120-3 Wheel Loader Shop Manual SEBM018300 - Image 4

Komatsu WA120-3 Wheel Loader Shop Manual SEBM018300 - Image 5

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Komatsu WA120-3 Wheel Loader Shop Manual SEBM018300

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM018300
Format: PDF
Size: 41.5MB
Number of Pages: 533

Category: Komatsu Shop Manual PDF

Model List:
- WA120-3 Wheel Loader

1. COVER
2. CONTENTS
3. GENERAL
3.1. GENERAL ASSEMBLY DRAWING
3.2. SPECIFICATIONS
3.3. WEIGHT TABLE
3.4. LIST OF LUBRICANT AND WATER
4. STRUCTURE AND FUNCTION
4.1. POWER TRAIN
4.2. POWER TRAIN SYSTEM
4.3. TORQUE CONVERTER, TRANSMISSION PIPING
4.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
4.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
4.6. TORQUE CONVERTER
4.7. TRANSMISSION
4.8. TRANSMISSION CONTROL VALVE
4.9. TRANSMISSION CONTROL
4.10. DRIVE SHAFT
4.11. AXLE
4.12. FINAL DRIVE
4.13. AXLE MOUNT
4.14. CENTER HINGE PIN
4.15. STEERING PIPING
4.16. STEERING COLUMN
4.17. PRIORITY VALVE
4.18. STEERING VALVE (ORBITROLL)
4.19. EMERGENCY STEERING PUMP
4.20. SECURITY VALVE
4.21. DIVERTER VALVE
4.22. OPERATION OF EMERGENCY STEERING CIRCUIT
4.23. BRAKE PIPING
4.24. BRAKE CONTROL
4.25. BRAKE BOOSTER
4.26. BRAKE
4.27. PARKING BRAKE CONTROL
4.28. PARKING BRAKE
4.29. HYDRAULIC PIPING
4.30. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
4.31. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
4.32. HYDRAULIC TANK
4.33. MAIN CONTROL VALVE
4.34. WORK EQUIPMENT LEVEL LINKAGE
4.35. WORK EQUIPMENT LINKAGE
4.36. BUCKET
4.37. BUCKET POSITIONER AND BOOM KICKOUT
4.38. PROXIMITY SWITCH
4.39. CANOPY
4.40. ROPS CAB
4.41. AIR CONDITIONER
4.42. TRAVEL DAMPER SYSTEM (OPTION)
4.43. ELECTRICAL WIRING DIAGRAM
4.44. CENTRAL PANEL
4.45. ENGINE STARTING CIRCUIT
4.46. ENGINE STOP CIRCUIT
4.47. FUEL CUTOFF SOLENOID
4.48. AUTOMATIC PREHEATING CIRCUIT
4.49. ELECTRICAL TRANSMISSION CONTROL
4.50. COMBINATION SWITCH
4.51. TRANSMISSION CUTOFF FUNCTION
4.52. PARKING BRAKE NEUTRALIZER RELAY FUNCTION
4.53. KICKDOWN SWITCH, HOLD SWITCH
4.54. KICKDOWN ELECTRICAL CIRCUIT
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE
5.2. STANDARD VALUE TABLE FOR CHASSIS
5.3. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
5.4. ADJUSTING VALVE CLEARANCE
5.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
5.6. MEASURING EXHAUST COLOR
5.7. MEASURING BLOWBY PRESSURE
5.8. MEASURING ENGINE OIL PRESSURE
5.9. MEASURING ENGINE SPEED
5.10. ADJUSTING ENGINE STOP SOLENOID
5.11. MEASURING ACCELERATOR PEDAL
5.12. MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
5.13. MEASURING STALL SPEED
5.14. MEASURING TORQUE CONVERTER, TRANSMISSION, OIL PRESSURE
5.15. METHOD OF OPERATING EMERGENCY MANUAL SOLENOID VALVE
5.16. TESTING AND ADJUSTING STEERING WHEEL
5.17. MEASURING STEERING OIL PRESSURE
5.18. MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
5.19. TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
5.20. MEASURING BRAKE PERFORMANCE
5.21. MEASURING BRAKE OIL PRESSURE
5.22. TESTING FOR BRAKE DISC WEAR
5.23. BLEEDING AIR FROM BRAKE SYSTEM
5.24. MEASURING PARKING BRAKE PERFORMANCE
5.25. TESTING AND ADJUSTING PARKING BRAKE LINKAGE
5.26. TESTING PARKING BRAKE DISC WEAR
5.27. MEASURING PARKING BRAKE DISC WEAR
5.28. MEASURING WORK EQUIPMENT CONTROL LEVER
5.29. MEASURING STROKE OF WORK EQUIPMENT VALVE SPOOL
5.30. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
5.31. MEASURING WORK EQUIPMENT
5.32. TESTING AND ADJUSTING BUCKET POSITIONER
5.33. TESTING AND ADJUSTING BOOM KICKOUT
5.34. TROUBLESHOOTING
5.34.1. USING TROUBLESHOOTING CHARTS FOR ENGINERELATED FAILURE
5.34.2. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.34.3. TROUBLESHOOTING OF ENGINE (S4D102E) SYSTEM (S MODE)
5.34.3.1. S1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)
5.34.3.2. S2 ENGINE DOES NOT START
5.34.3.3. S3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOWUP IS POOR)
5.34.3.4. S4 ENGINE STOPS DURING OPERATIONS
5.34.3.5. S5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)
5.34.3.6. S6 ENGINE LACKS OUTPUT (NO POWER)
5.34.3.7. S7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)
5.34.3.8. S8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)
5.34.3.9. S9 OIL BECOMES CONTAMINATED QUICKLY
5.34.3.10. S10 FUEL CONSUMPTION IS EXCESSIVE
5.34.3.11. S11 OIL IS COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN
5.34.3.12. S12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE)
5.34.3.13. S13 OIL LEVEL RISES
5.34.3.14. S14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)
5.34.3.15. S15 ABNORMAL NOISE IS MADE
5.34.3.16. S16 VIBRATION IS EXCESSIVE
5.34.4. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (AUTOSHIFT TRANSMISSION) (AMODE)
5.34.4.1. OUTLINE
5.34.4.2. A1 TROUBLESHOOTING CODE 12 F SOLENOID SIGNAL SYSTEM
5.34.4.3. A2 TROUBLESHOOTING CODE 13 R SOLENOID SIGNAL SYSTEM
5.34.4.4. A3 TROUBLESHOOTING CODE 14 ABNORMALITY IN HL SOLENOID SIGNAL SYSTEM
5.34.4.5. A4 TROUBLESHOOTING CODE 16 ABNORMALITY IN SPEED SOLENOID SIGNAL SYSTEM
5.34.4.6. A5 TROUBLESHOOTING CODE 20 ABNORMALITY IN DIRECTIONAL LEVER SIGNAL SYSTEM
5.34.4.7. A6 TROUBLESHOOTING CODE 21 ABNORMALITY IN GEAR SHIFT LEVER SIGNAL SYSTEM
5.34.4.8. A7 TROUBLESHOOTING CODE 22 ABNORMALITY IN TRAVEL SPEED SIGNAL SYSTEM
5.34.4.9. A8 TROUBLESHOOTING CODE 23 ABNORMALITY IN ENGINE SPEED SIGNAL
5.34.4.10. A9 KICKDOWN SWITCH SYSTEM
5.34.4.11. A10 TRANSMISSION CUTOFF SIGNAL SYSTEM
5.34.4.12. A11 NEUTRALIZER RELAY SIGNAL SYSTEM
5.34.4.13. A12 CAUTION BUZZER SIGNAL SYSTEM
5.34.4.14. A13 CONTROLLER POWER SOURCE SYSTEM
5.34.5. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (T MODE)
5.34.5.1. POWER TRAIN
5.34.5.2. STEERING SYSTEM
5.34.5.3. BRAKE SYSTEM
5.34.5.4. WORK EQUIPMENT
6. DISASSEMBLY AND ASSEMBLY
6.1. METHOD OF USING MANUAL
6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
6.3. SPECIAL TOOL LIST
6.4. STARTING MOTOR
6.4.1. REMOVAL AND INSTALLATION
6.5. ALTERNATOR
6.5.1. REMOVAL AND INSTALLATION
6.6. FUEL INJECTION PUMP
6.6.1. REMOVAL
6.6.2. INSTALLATION
6.7. ENGINE OIL COOLER
6.7.1. REMOVAL AND INSTALLATION
6.8. WATER PUMP
6.8.1. REMOVAL AND INSTALLATION
6.9. NOZZLE HOLDER
6.9.1. REMOVAL
6.9.2. INSTALLATION
6.10. THERMOSTAT
6.10.1. REMOAVAL AND INSTALLATION
6.11. TURBOCHARGER
6.11.1. REMOVAL AND INSTALLATION
6.12. TORQUE CONVERTER CHARGING PUMP
6.12.1. REMOVAL AND INTALLATION
6.13. TORQUE CONVERTER, TRANSMISSION
6.13.1. REMOVAL
6.13.2. INSTALLATION
6.14. TORQUE CONVERTER
6.15. TRANSMISSION CONTROL VALVE
6.15.1. REMOVAL
6.15.2. INSTALLATION
6.15.3. DISASSEMBLY
6.15.4. ASSEMBLY
6.16. TRANSMISSION SOLENOID VALVE
6.16.1. DISASSEMBLY AND ASSEMBLY
6.17. TRANSMISSION ACCUMULATOR VALVE
6.18. CENTER HINGE PON
6.19. STEERING CYLINDER
6.20. HYDRAULIC FILTER
6.20.1. REMOVAL AND INSTALLATION
6.21. HYDRAULIC, STEERING PUMP
6.21.1. REMOVAL
6.21.2. INSTALLATION
6.22. MAIN CONTROL VALVE
6.22.1. REMOVAL
6.22.2. INSTALLATION
6.22.3. DISASSEMBLY
6.22.4. ASSEMBLY
6.23. BUCKET CYLINDER
6.24. HYDRAULIC CYLINDER
6.24.1. DISASSEMBLY
6.24.2. ASSEMBLY
6.25. WORK EQUIPMENT
6.25.1. REMOVAL AND INSTALLATION
6.26. INSTRUMENT PANEL
6.26.1. REMOVAL AND INSTALLATION
6.27. ENGINE HOOD
6.27.1. REMOVAL INSTALLATION
7. MAINTENANCE STANDARD
7.1. ENGINE MOUNT, TRANSMISSION MOUNT
7.2. TORQUE CONVERTER CHARGING PUMP
7.3. TORQUE CONVERTER
7.4. TRANSMISSION
7.5. TRANSMISSION CONTROL VALVE
7.6. ACCUMULATOR VALVE
7.7. DRIVE SHAFT
7.8. DIFFERENTIAL
7.9. FINAL DRIVE
7.10. AXLE MOUNT
7.11. CENTER HINGE PIN
7.12. STEERING COLUMN
7.13. PRIORITY VALVE
7.14. STEERING CYLINDER MOUNT
7.15. BRAKE BOOSTER
7.16. BRAKE
7.17. PARKING BRAKE
7.18. HYDRAULIC AND STEERRING PUMP
7.19. MAIN CONTROL VALVE
7.20. HYDAULIC CYLINDER
7.21. WORK EQUIPMENT LINKAGE
7.22. BUCKET
7.23. BUCKET POSITIONER AND BOOM KICKOUT
8. OTHERS
8.1. ELECTRICAL CIRCUIT DIAGRAM (1/2)
8.2. ELECTRICAL CIRCUIT DIAGRAM (2/2)
8.3. AIR CONDITIONER ELECTRICAL CIRCUIT DIAGRAM

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