komatsu wa50 3 avance wheel loader shop manual sebm017803 1

komatsu wa50 3 avance wheel loader shop manual sebm017803 2

komatsu wa50 3 avance wheel loader shop manual sebm017803 3

komatsu wa50 3 avance wheel loader shop manual sebm017803 4

komatsu wa50 3 avance wheel loader shop manual sebm017803 5

Komatsu WA50-3 Avance Wheel Loader Shop Manual SEBM017803

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM017803
Format: PDF
Size: 30.8MB
Number of Pages: 396

Category: Komatsu Shop Manual PDF

Model List:
- WA50-3 Avance 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. RADIATOROIL COOLER
4.4. HST PIPING
4.5. HST HYDRAULIC CIRCUIT DIAGRAM
4.6. MAIN PISTON PUMP
4.7. HIGHPRESSURE RELIEF VALVE
4.8. LOWPRESSURE RELIEF VALVE
4.9. WORK EQUIPMENTSTEERING PUMP, HST CHARGE PUMP
4.10. CHARGE PUMP OIL FILTER
4.11. SPEED RELATED VALVE (DA VALVE)
4.12. PISTON MOTOR
4.13. DIRECTIONAL SHUTTLE VALVE
4.14. CENTER HINGE PIN
4.15. TIREWHEEL
4.16. STEERING PIPING
4.17. STEERING COLUMN
4.18. PRIORITY VALVE
4.19. STEERING VALVE (ORBITROLL)
4.20. BRAKE, PARKING BRAKE CONTROL
4.21. BRAKE (ALSO USED AS PARKING BRAKE)
4.22. WORK EQUIPMENT PIPING
4.23. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
4.24. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
4.25. WORK EQUIPMENT LEVER LINKAGE
4.26. HYDRAULIC TANK
4.27. HYDRAULIC FILTER
4.28. MAIN CONTROL VALVE
4.29. WORK EQUIPMENT LINKAGE
4.30. BUCKET
4.31. BUCKET POSITIONER
4.32. PROXIMITY SWITCH
4.33. ROPS CANOPY
4.34. CENTRAL PANEL (CLUSTER GAUGE)
4.35. ENGINE START CIRCUIT
4.36. ENGINE STOP CIRCUIT
4.37. PREHEATING CIRCUIT
4.38. PARKING BRAKE CIRCUIT
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE
5.2. STANDARD VALUE TABLE FOR CHASSIS
5.3. TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
5.4. ADJUSTING VALVE CLEARANCE
5.5. MEASURING COMPRESSION PRESSURE
5.6. TESTING AND ADJUSTING FUEL INJECTION TIMING
5.7. BLEEDING AIR FROM FUEL CIRCUIT
5.8. TESTING AND ADJUSTING FAN BELT TENSION
5.9. TESTING FOR ABNORMALITY IN FUEL LEVEL SENSOR
5.10. MEASURING ACCELERATOR PEDAL
5.11. MEASURING OPERATING EFFORT, TRAVEL OF DIRECTIONAL LEVER
5.12. MEASURING STALL SPEED
5.13. MEASURING HST OIL PRESSURE
5.14. TESTING AND ADJUSTING STEERING WHEEL
5.15. MEASURING OPERATING TIME FOR STEERING WHEEL
5.16. MEASURING STEERING PRESSURE
5.17. TESTING AND ADJUSTING BRAKE PEDAL
5.18. MEASURING OPERATION EFFORT, TRAVEL OF BRAKE PEDAL
5.19. MEASURING BRAKE PERFORMANCE
5.20. MEASURING PARKING BRAKE PERFORMANCE
5.21. MEASURING BRAKE DISC WEAR
5.22. TESTING AND ADJUSTING INCHING VALVE LINKAGE
5.23. MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL LEVER
5.24. MEASURING TRAVEL OF MAIN CONTROL VALVE SPOOL
5.25. MEASURING WORK EQUIPMENT PRESSURE
5.26. TESTING AND ADJUSTING BUCKET POSITIONER
5.27. TROUBLESHOOTING
5.27.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.27.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.27.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
5.27.4. CHECKS BEFORE TROUBLESHOOTING
5.27.5. TROUBLESHOOTING OF ELECTRICAL SYSTEM
5.27.5.1. E1 ENGINE DOES NOT START
5.27.6. TROUBLESHOOTING HYDRAULIC SYSTEM (H MODE)
5.27.6.1. TROUBLESHOOTING
5.27.6.2. CHECKING MACHINE BEFORE TROUBLESHOOTING
5.27.6.3. CHECKING HST BEFORE TROUBLESHOOTING
5.27.6.4. H1 IMPOSSIBLE TO TRAVEL IN EITHER DIRECTION (FORWARD OR REVERSE)
5.27.6.5. H2 IMPOSSIBLE TO TRAVEL IN ONE DIRECTION ONLY (EITHER FORWARD OR REVERSE)
5.27.6.6. H3 LACKS SPEED IN BOTH DIRECTIONS (FORWARD AND REVERSE)
5.27.6.7. H4 LACKS SPEED IN ONE DIRECTION ONLY (FORWARD OR REVERSE)
5.27.6.8. H5 LACKS DRAWBAR PULL IN BOTH DIRECTIONS (FORWARD AND REVERSE)
5.27.6.9. H6 LACKS DRAWBAR PULL IN ONE DIRECTION ONLY (FORWARD OR REVERSE)
5.27.6.10. H7 ENGINE SPEED IS HIGH WHEN STARTING IN BOTH DIRECTIONS (FORWARD AND REVERSE)
5.27.6.11. H8 ENGINE SPEED IS HIGH WHEN STARTING IN ONE DIRECTION ONLY (FORWARD OR REVERSE)
6. DISASSEMBLY AND ASSEMBLY
6.1. HOW TO READ THIS MANUAL
6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
6.3. SPECIAL TOOLS LIST
6.4. REMOVAL OF FUEL INJECTION PUMP ASSEMBLY
6.5. INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
6.6. REMOVAL OF ENGINE ASSEMBLY
6.7. INSTALLATION OF ENGINE ASSEMBLY
6.8. REMOVAL OF ENGINE ASSEMBLY
6.9. INSTALLATION OF ENGINE ASSEMBLY
6.10. REMOVAL OF RADIATOR
6.11. INSTALLATION OF RADIATOR
6.12. REMOVAL OF RADIATOR
6.13. INSTALLATION OF RADIATOR
6.14. REMOVAL OF FUEL TANK
6.15. INSTALLATION OF FUEL TANK
6.16. REMOVAL OF MAIN PISTON PUMP ASSEMBLY
6.17. INSTALLATION OF MAIN PISTON PUMP ASSEMBLY
6.18. DISASSEMBLY OF MAIN PISTON PUMP ASSEMBLY
6.19. ASSEMBLY OF MAIN PISTON PUMP ASSEMBLY
6.20. REMOVAL OF PISTON MOTOR ASSEMBLY
6.21. INSTALLATION OF PISTON MOTOR ASSEMBLY
6.22. DISASSEMBLY OF PISTON MOTOR ASSEMBLY
6.23. ASSEMBLY OF PISTON MOTOR ASSEMBLY
6.24. REMOVAL OF ENGINE AND TRANSFER ASSEMBLIES
6.25. INSTALLATION OF ENGINE AND TRANSFER ASSEMBLY
6.26. REMOVAL OF ENGINE AND TRANSFER ASSEMBLIES
6.27. INSTALLATION OF ENGINE AND TRANSFER ASSEMBLIES
6.28. DISASSEMBLY OF TRANSFER
6.29. ASSEMBLY OF TRANSFER ASSEMBLY
6.30. DISASSEMBLY OF DRIVE SHAFT
6.31. ASSEMBLY OF DRIVE SHAFT
6.32. REMOVAL OF FRONT AXLE
6.33. INSTALLATION OF FRONT AXLE
6.34. REMOVAL OF REAR AXLE
6.35. INSTALLATION OF REAR AXLE
6.36. DISASSEMBLY OF DIFFERENTIALS
6.37. ASSEMBLY OF DIFFERENTIAL
6.38. DISASSEMBLY OF AXLE HOUSINGS
6.39. ASSEMBLY OF AXLE HOUSING
6.40. REMOVAL OF CENTER HINGE PIN
6.41. INSTALLATION OF CENTER HINGE PIN
6.42. REMOVAL OF STEERING VALVE
6.43. INSTALLATION OF STEERING VALVE
6.44. DISASSEMBLY OF STEERING VALVE
6.45. DISASSEMBLY OF RELIEF VALVE HOUSING SIDE OF STEERING VALVE
6.46. ASSEMBLY OF RELIEF VALVE HOUSING SIDE OF STEERING VALVE
6.47. REMOVAL OF STEERING CYLINDER
6.48. INSTALLATION OF STEERING CYLINDER
6.49. REMOVAL OF PARKING BRAKE
6.50. INSTALLATION OF PARKING BRAKE
6.51. REMOVAL OF HYDRAULIC TANK
6.52. INSTALLATION OF HYDRAULIC TANK
6.53. REMOVAL OF WORK EQUIPMENT VALVE
6.54. INSTALLATION OF WORK EQUIPMENT VALVE
6.55. REMOVAL OF BUCKET CYLINDER
6.56. INSTALLATION OF BUCKET CYLINDER
6.57. REMOVAL OF BOOM CYLINDER
6.58. INSTALLATION OF BOOM CYLINDER
6.59. DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLIES
6.60. ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLIES
6.61. REMOVAL OF WORK EQUIPMENT
6.62. INSTALLATION OF WORK EQUIPMENT
6.63. REMOVAL OF COUNTERWEIGHT
6.64. INSTALLATION OF COUNTERWEIGHT
6.65. REMOVAL OF INSTRUMENTS PANEL
6.66. INSTALLATION OF INSTRUMENTS PANEL
7. MAINTENANCE STANDARD
7.1. TRANSMISSIONENGINE MOUNT
7.2. WORK EQUIPMENTSTEERING PUMP, HST CHARGE PUMP
7.3. TRANSFER
7.4. HST INCHING VALVE
7.5. DRIVE SHAFT
7.6. DIFFERENTIAL (1/2)
7.7. DIFFERENTIAL (2/2)
7.8. FINAL DRIVE
7.9. AXLE MOUNT
7.10. CENTER HINGE PIN
7.11. STEERING COLUMN
7.12. PRIORITY VALVE
7.13. STEERING CYLINDER MOUNT
7.14. BRAKE
7.15. HYDRAULIC CYLINDER
7.16. WORK EQUIPMENT LINKAGE
7.17. BUCKET
7.18. BUCKET POSITIONER
8. OTHERS
8.1. ELECTRIC CIRCUIT DIAGRAM

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