Komatsu PC750-7, PC800-7 Hydraulic Excavator Shop Manual SEBM031313

Description

• Model List:
  • PC750-7 Hydraulic Excavator
  • PC800-7 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL, COOLANT AND LUBRICANTS
• 4. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 4.2. PTO LUBRICATION SYSTEM
• 4.3. POWER TRAIN
• 4.4. SWING MACHINERY
• 4.5. SWING CIRCLE
• 4.6. FINAL DRIVE
• 4.7. SPROCKET
• 4.8. TRACK FRAME AND RECOIL SPRING
• 4.9. IDLER
• 4.10. CARRIER ROLLER
• 4.11. TRACK ROLLER
• 4.12. TRACK SHOE
• 4.13. MOTOR GREASE PUMP
• 4.14. HYDRAULIC TANK
• 4.15. HYDRAULIC PUMP
• 4.16. RETURN OIL FILTER
• 4.17. LINE OIL FILTER
• 4.18. PILOT OIL FILTER
• 4.19. DRAIN OIL FILTER
• 4.20. SPOOL CONTROL VALVE
• 4.21. SPOOL CONTROL VALVE
• 4.22. STRAIGHTTRAVEL VALVE
• 4.23. SWING MOTOR
• 4.24. CENTER SWIVEL JOINT
• 4.25. TRAVEL MOTOR
• 4.26. PPC CONTROL RELIEF VALVE
• 4.27. PPC ACCUMULATOR
• 4.28. VALVE CONTROL
• 4.29. WORK EQUIPMENT, SWING PPC VALVE
• 4.30. TRAVEL PPC VALVE
• 4.31. SOLENOID VALVE
• 4.32. HYDRAULIC CYLINDER
• 4.33. WORK EQUIPMENT
• 4.34. DIMENSIONS OF WORK EQUIPMENT
• 4.35. AIR CONDITIONER
• 4.36. ENGINE CONTROL
• 4.37. MACHINE CONTROL SYSTEM
• 4.38. MONITOR SYSTEM
• 4.39. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.3. TESTING AND ADJUSTING
• 5.4. 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. REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
• 6.5. REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
• 6.6. REMOVAL AND INSTALLATION OF NOZZLE TIP
• 6.7. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
• 6.8. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
• 6.9. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 6.10. REMOVAL AND INSTALLATION OF AFTERCOOLER CORE
• 6.11. REMOVAL AND INSTALLATION OF FAN GUARD, RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY
• 6.12. REMOVAL AND INSTALLATION OF FUEL COOLER AND AIR CONDITIONER CONDENSER ASSEMBLY
• 6.13. REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
• 6.14. REMOVAL AND INSTALLATION OF ENGINE, PTO AND HYDRAULIC PUMP ASSEMBLY
• 6.15. REMOVAL AND INSTALLATION OF PTO ASSEMBLY
• 6.16. DISASSEMBLY AND ASSEMBLY OF PTO ASSEMBLY
• 6.17. DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
• 6.18. REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
• 6.19. REMOVAL AND INSTALLATION OF SWING MACHINERY ASSEMBLY
• 6.20. DISASSEMBLY AND ASSEMBLY OF SWING MACHINERY ASSEMBLY
• 6.21. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
• 6.22. REMOVAL AND INSTALLATION OF TRACK SHOE ASSEMBLY
• 6.23. DISASSEMBLY AND ASSEMBLY OF ONE LINK IN FIELD
• 6.24. REMOVAL AND INSTALLATION OF IDLER ASSEMBLY
• 6.25. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
• 6.26. DISASSEMBLY AND ASSEMBLY OF IDLER ADJUSTMENT CYLINDER ASSEMBLY
• 6.27. REMOVAL AND INSTALLATION OF RECOIL SPRING ASSEMBLY
• 6.28. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
• 6.29. REMOVAL AND INSTALLATION OF CARRIER ROLLER ASSEMBLY
• 6.30. DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
• 6.31. REMOVAL AND INSTALLATION OF TRACK ROLLER ASSEMBLY
• 6.32. DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
• 6.33. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
• 6.34. REMOVAL AND INSTALLATION OF MAIN PUMP (NO.1 PUMP) ASSEMBLY
• 6.35. REMOVAL AND INSTALLATION OF MAIN PUMP (NO.2 PUMP)
• 6.36. REMOVAL AND INSTALLATION OF MAIN PUMP INPUT SHAFT OIL SEAL
• 6.37. REMOVAL AND INSTALLATION OF CONTROL AND PTO LUBRICATION PUMP ASSEMBLY
• 6.38. DISASSEMBLY AND ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
• 6.39. REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
• 6.40. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY (WORK EQUIPMENT)
• 6.41. REMOVAL AND INSTALLATION OF SOLENOID VALVE ASSEMBLY
• 6.42. REMOVAL AND INSTALLATION OF BOOM DAMPING VALVE ASSEMBLY
• 6.43. REMOVAL AND INSTALLATION OF SWING MOTOR ASSEMBLY
• 6.44. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT
• 6.45. DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
• 6.46. REMOVAL AND INSTALLATION OF TRAVEL MOTOR ASSEMBLY
• 6.47. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
• 6.48. DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
• 6.49. REMOVAL AND INSTALLATION OF BUCKET CYLINDER ASSEMBLY (BACK HOE)
• 6.50. REMOVAL AND INSTALLATION OF BUCKET CYLINDER ASSEMBLY (LOADING SHOVEL)
• 6.51. REMOVAL AND INSTALLATION OF ARM CYLINDER ASSEMBLY (BACK HOE)
• 6.52. REMOVAL AND INSTALLATION OF ARM CYLINDER ASSEMBLY (LOADING SHOVEL)
• 6.53. REMOVAL AND INSTALLATION OF BOOM CYLINDER ASSEMBLY (BACK HOE)
• 6.54. REMOVAL AND INSTALLATION OF BOOM CYLINDER ASSEMBLY (LOADING SHOVEL)
• 6.55. REMOVAL AND INSTALLATION OF BOTTOM DUMP CYLINDER ASSEMBLY (LOADING SHOVEL)
• 6.56. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 6.57. REMOVAL AND INSTALLATION OF BUCKET ASSEMBLY (BACK HOE)
• 6.58. REMOVAL AND INSTALLATION OF BUCKET ASSEMBLY (LOADING SHOVEL)
• 6.59. REMOVAL AND INSTALLATION OF ARM ASSEMBLY (BACK HOE)
• 6.60. REMOVAL AND INSTALLATION OF ARM ASSEMBLY (LOADING SHOVEL)
• 6.61. REMOVAL AND INSTALLATION OF BOOM ASSEMBLY (BACK HOE)
• 6.62. REMOVAL AND INSTALLATION OF BOOM ASSEMBLY (LOADING SHOVEL)
• 6.63. REMOVAL AND INSTALLATION OF WORK EQUIPMENT (BACK HOE)
• 6.64. REMOVAL AND INSTALLATION OF WORK EQUIPMENT (LOADING SHOVEL)
• 6.65. REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
• 6.66. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
• 6.67. REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
• 6.68. REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
• 7. OTHERS
• 7.1. HYDRAULIC CIRCUIT DIAGRAM (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.2. HYDRAULIC CIRCUIT DIAGRAM (LOADING SHOVEL SPECIFICATION, PC7507, PC750SE7)
• 7.3. ELECTRICAL CIRCUIT DIAGRAM (1/6) (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.4. ELECTRICAL CIRCUIT DIAGRAM (2/6) (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.5. ELECTRICAL CIRCUIT DIAGRAM (3/6) (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.6. ELECTRICAL CIRCUIT DIAGRAM (4/6) (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.7. ELECTRICAL CIRCUIT DIAGRAM (5/6) (PC7507, PC750SE7, PC8007, PC800SE7)
• 7.8. ELECTRICAL CIRCUIT DIAGRAM (6/6) (LOADING SHOVEL SPECIFICATION, PC7507, PC750SE7)