Komatsu HD785-3, HD985-3 Dump Truck Shop Manual SEBM05610311

Description

• Model List:
  • HD785-3 Dump Truck
  • HD985-3 Dump Truck

• 1. MAIN MENU
• 2. COVER PAGE
• 3. CONTENTS
• 4. STRUCTURE AND FUNCTION
• 4.1. RADIATOR, TORQUE CONVERTER OIL COOLER
• 4.2. BRAKE OIL COOLER
• 4.3. POWER TRAIN SKELETON
• 4.4. OUTPUT SHAFT
• 4.5. TORQUE CONVERTER AND TRANSMISSION HYDRAULIC PIPING
• 4.6. TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 4.7. TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT SCHEMATICS
• 4.8. HYDRAULIC PUMP (SAR4160)
• 4.9. TORQUE CONVERTER (HD7853)
• 4.10. TORQUE CONVERTER (HD9853)
• 4.11. TORQUE CONVERTER VALVE
• 4.12. LOCKUP SOLENOID VALVE
• 4.13. TRANSMISSION (HD7853)
• 4.14. TRANSMISSION (HD9853)
• 4.15. TRANSMISSION VALVE
• 4.16. ECMV (ELECTRONIC CONTROL MODULATION VALVE)
• 4.17. LUBRICATION RELIEF VALVE
• 4.18. FRONT AXLE (HD7853)
• 4.19. FRONT AXLE (HD9853)
• 4.20. REAR AXLE (HD7853)
• 4.21. REAR AXLE (HD9853)
• 4.22. DIFFERENTIAL
• 4.23. DIFFERENTIAL LOCK CONTROL
• 4.24. FINAL DRIVE (HD7853)
• 4.25. FINAL DRIVE (HD9853)
• 4.26. FRONT BRAKE
• 4.27. REAR BRAKE
• 4.28. PARKING BRAKE
• 4.29. WHEELS (HD7853)
• 4.30. WHEELS (HD9853)
• 4.31. AXLE SUPPORT (HD7853)
• 4.32. AXLE SUPPORT (HD9853)
• 4.33. STEERING SYSTEM (HD7853)
• 4.34. STEERING SYSTEM (HD9853)
• 4.35. STEERING WHEEL
• 4.36. STEERING LINKAGE
• 4.37. SUSPENSION SYSTEM
• 4.38. SUSPENSION CYLINDER
• 4.39. FRONT SUSPENSION CYLINDER
• 4.40. REAR SUSPENSION CYLINDER (HD7853)
• 4.41. REAR SUSPENSION CYLINDER (HD9853)
• 4.42. AIR CIRCUIT DIAGRAM
• 4.43. AIR PIPING
• 4.44. AIR GOVERNOR
• 4.45. SAFETY VALVE
• 4.46. CHECK VALVE
• 4.47. DOUBLECHECK VALVE
• 4.48. AUTO DRAIN VALVE
• 4.49. HAND BRAKE VALVE (RETARDER CONTROL VALVE)
• 4.50. BRAKE VALVE
• 4.51. WAY CONTROL VALVE (PARKING BRAKE VALVE, EMERGENCY BRAKE VALVE)
• 4.52. EMERGENCY BRAKE CONTROL VALVE (VARIABLE CONTROL TYPE)
• 4.53. PARKING BRAKE PILOT VALVE
• 4.54. RELAY VALVE (ACTS ALSO AS EMERGENCY RELAY)
• 4.55. PARKING BRAKE RELAY VALVE
• 4.56. QUICKRELEASE VALVE
• 4.57. BRAKE CHAMBER
• 4.58. PARKING BRAKE CHAMBER
• 4.59. SLACK ADJUSTER
• 4.60. HYDRAULIC PIPING (STEERING AND HOIST, AND BRAKE COOLING)
• 4.61. HYDRAULIC CIRCUIT DIAGRAM (STEERING AND HOIST, AND BRAKE COOLING)
• 4.62. DUMP BODY CONTROL
• 4.63. HYDRAULIC TANK AND BRAKE COOLING OIL TANK
• 4.64. HYDRAULIC PUMP
• 4.65. BRAKE COOLING OIL CONTROL VAVLE (BCV)
• 4.66. STEERING VALVE
• 4.67. CROSSOVER RELIEF VALVE
• 4.68. DEMAND VALVE
• 4.69. HOIST VALVE
• 4.70. STEERING CYLINDER
• 4.71. HOIST CYLINDER
• 4.72. DUMP BODY (HD7853)
• 4.73. DUMP BODY (HD9853)
• 4.74. MAIN FRAME (HD7853)
• 4.75. MAIN FRAME (HD9853)
• 4.76. PRESSURE SWITCH
• 4.77. STOP LAMP SWITCH
• 4.78. HORN VALVE
• 4.79. PARKING BRAKE SWITCH
• 4.80. FRONT BRAKE CUTOFF VALVE
• 4.81. AUTOMATIC RETARDER VALVE
• 4.82. EXHAUST BRAKE VALVE
• 4.83. TILT SWITCH
• 4.84. AIR CONDITIONER
• 4.85. ENGINE CONTROL SYSTEM (MECHANICAL GOVERNOR TYPE)
• 4.86. ENGINE CONTROL SYSTEM (ELECTRONIC GOVERNOR)
• 4.87. EXHAUST BRAKE
• 4.88. AUTOMATIC SHIFT CONTROL SYSTEM
• 4.89. SHIFT LEVER SWITCH
• 4.90. SENSORS, SWITCHES
• 4.91. SHIFT INDICATOR SYSTEM
• 4.92. AUTOMATIC EMERGENCY STEERING SYSTEM (HD7853)
• 4.93. AUTOMATIC EMERGENCY STEERING SYSTEM (HD9853)
• 4.94. AUTOMATIC SUSPENSION SYSTEM
• 4.95. PAYLOAD METER
• 4.96. ELECTRONIC MONITOR SYSTEM
• 4.97. SENSORS, SWITCHES
• 4.98. ABS/ACR SYSTEM
• 4.99. ABS/ASR CONTROLLER (ECU)
• 4.100. ABS PRESSURE CONTROL VALVE
• 4.101. ASR CONTROL VALVE
• 4.102. WHEEL SPEED SENSOR
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABEL FOR ENGINE RELATED PARTS (HD7853)
• 5.2. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS (HD9853)
• 5.3. STANDARD VALUE TABLE FOR CHASSIS (HD7853)
• 5.4. STANDARD VALUE TABLE FOR CHASSIS (HD9853)
• 5.5. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
• 5.6. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.7. ADJUSTING VALVE CLEARANCE
• 5.8. MEASURING COMPRESSION PRESSURE
• 5.9. MEASURING BLOWBY PRESSURE
• 5.10. CHECKING AND ADJUSTING FUEL INJECTION TIMING
• 5.11. ADJUSTING ACCELERATOR PEDAL
• 5.12. ADJUSTING OF AISS LINKAGE
• 5.13. ADJUSTING ENGINE STOP MOTOR CABLE
• 5.14. TESTING HYDRAULIC PRESSURE OF TORQUE CONVERTER VALVE
• 5.15. TESTING ECMV HYDRAULIC PRESSURE
• 5.16. TESTING TRANSMISSION LUBRICATION PRESSURE
• 5.17. TESTING TORQUE CONVERTER STALL SPEED
• 5.18. TESTING BRAKE PRESSURE
• 5.19. BLEEDING AIR FROM BRAKE CIRCUIT
• 5.20. TESTING WEAR OF FRONT BRAKE PAD
• 5.21. TESTING WEAR OF REAR BRAKE DISC
• 5.22. ADJUSTING PARKING BRAKE
• 5.23. TESTING BRAKE PERFORMANCE
• 5.24. TESTING AND ADJUSTING SUSPENSION CYLINDER
• 5.25. TESTING AND ADJUSTING SUSPENSION AIR CYLINDER
• 5.26. TESTING AND ADJUSTING AIR PRESSURE IN AIR CIRCUIT
• 5.27. ADJUSTING HOIST LEVER LINKAGE
• 5.28. ADJUSTING BODY POSITIONER
• 5.29. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN STEERING, HOIST CIRCUIT
• 5.30. AIR BLEEDING FROM STEERING CYLINDER
• 5.31. ADJUSTING ENGINE SPEED SENSOR
• 5.32. ADJUSTING Q FUEL INJECTION AMOUNT WHEN REPLACING ENGINE CONTROLLER
• 5.33. PROCEDURE FOR OPERATING SHIFT CHECKER AND MODULATION CHECKER
• 5.34. METHOD FOR EMERGENCY OPERATION OF TRUCK WHEN THERE IS FAILURE IN ELECTRICAL SYSTEM OF TRANSMISSION CONTROL SYSTEM OR ENGINE C
• 5.35. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. TIGHTENING TORQUES AND STANDARD VALUES TABLE
• 6.5. WEIGHT TABLE
• 6.6. LUBRICANT AND COOLANT TABLE
• 6.7. ENGINE OIL COOLER
• 6.8. FUEL INJECTION PUMP (LEFT AND RIGHT)
• 6.9. NOZZLE HOLDER ASSEMBLY
• 6.10. RADIATOR, TORQUE CONVERTER OIL COOLER
• 6.11. TORQUE CONVERTER, TRANSMISSION
• 6.12. TORQUE CONVERTER CONTROL VALVE
• 6.13. TORQUE CONVERTER AND TRANSMISSION
• 6.14. TORQUE CONVERTER, PTO
• 6.15. TRANSMISSION CONTROL VALVE (ECMV)
• 6.16. TRANSMISSION PUMP
• 6.17. ECMV
• 6.18. DIFFERENTIAL (FOR STANDARD)
• 6.19. DIFFERENTIAL (FOR WITH DIFFERENTIAL LOCK)
• 6.20. REAR WHEEL BRAKE
• 6.21. PARKING BRAKE CALIPER
• 6.22. PARKING BRAKE PAD
• 6.23. FRONT BRAKE CALIPER
• 6.24. FRONT BRAKE CALIPER PAD
• 6.25. STEERING VALVE
• 6.26. FRONT WHEEL HUB
• 6.27. FRONT SUSPENSION
• 6.28. VARIABLE DAMPER VALVE
• 6.29. VARIABLE DAMPER SELECTOR VALVE
• 6.30. FIXED ATTENUATION VALVE
• 6.31. FRONT SUSPENSION CYLINDER
• 6.32. REAR SUSPENSION CYLINDER
• 6.33. PARKING BRAKE SPRING CYLINDER
• 6.34. FRONT BRAKE CHAMBER
• 6.35. REAR BRAKE CHAMBER
• 6.36. BRAKE COOLING PUMP
• 6.37. STEERING, HOIST PUMP
• 6.38. EMERGENCY STEERING MOTOR PUMP
• 6.39. STEERING CYLINDER
• 6.40. TRANSMISSION CONTROLLER
• 7. MAINTENANCE STANDARD
• 7.1. OUTPUT SHAFT
• 7.2. TORQUE CONVERTER VALVE
• 7.3. TORQUE CONVERTER
• 7.4. TRANSMISSION (HD7853) (HD7853)
• 7.5. TRANSMISSION (HD9853)
• 7.6. ECMV (ELECTRONIC CONTROL MODULATION VALVE)
• 7.7. FRONT AXLE
• 7.8. REAR AXLE SUPPORT (HD7853)
• 7.9. REAR AXLE SUPPORT (HD9853)
• 7.10. DIFFERENTIAL
• 7.11. FINAL DRIVE (HD7853)
• 7.12. FINAL DRIVE (HD9853)
• 7.13. FRONT BRAKE
• 7.14. REAR BRAKE
• 7.15. PARKING BRAKE
• 7.16. STEERING LINKAGE
• 7.17. FRONT SUSPENSION CYLINDER
• 7.18. REAR SUSPENSION CYLINDER (HD7853)
• 7.19. REAR SUSPENSION CYLINDER (HD 9853)
• 7.20. PARKING BRAKE CHAMBER
• 7.21. SLACK ADJUSTER
• 7.22. HYDRAULIC PUMP (SAR4160)
• 7.23. DEMAND VALVE
• 7.24. CROSSOVER RELIEF VALVE
• 7.25. HOIST VALVE
• 7.26. STEERING CYLINDER
• 7.27. HOIST CYLINDER
• 8. OTHERS CONTENTS (FOR HD9853)
• 8.1. STRUCTURE AND FUNCTION
• 8.2. TESTING AND ADJUSTING
• 8.3. DISASSEMBLY AND ASSEMBLY
• 8.4. MAINTENANCE STANDARD