Komatsu PC450-6K, PC450LC-6K Hydraulic Excavator Shop Manual UEBM001301

Description

• Model List:
  • PC450-6K Hydraulic Excavator
  • PC450LC-6K Hydraulic Excavator

• 0.1. HOW TO READ THE SHOP MANUAL
• 0.2. HOISTING INSTRUCTIONS
• 0.3. COATING MATERIALS
• 0.4. STANDARD TIGHTENING TORQUE
• 0.5. ELECTRIC WIRE CODE
• 0.6. CONVERSION TABLE
• 1. GENERAL
• 1.1. SPECIFICATION DRAWINGS
• 1.2. SPECIFICATIONS
• 1.3. WEIGHT TABLE (SERIAL NOS 32001 and up)
• 1.4. WEIGHT TABLE (SERIAL NOS 34001 and up)
• 1.5. FUEL, COOLANT AND LUBRICANTS
• 2. STRCTURE AND FUNCTION
• 2.1. PARTS RELATED TO ENGINE
• 2.2. RADIATOR, OIL COOLER
• 2.3. POWER TRAIN
• 2.4. FINAL DRIVE
• 2.5. SWING CIRCLE
• 2.6. SWING MACHINERY
• 2.7. TRACK FRAME, RECOIL SPRING
• 2.8. TRACK SHOE
• 2.9. HYDRAULIC PIPING DRAWING
• 2.10. HYDRAULIC CIRCUIT DIAGRAM
• 2.11. HYDRAULIC TANK, HYDRAULIC FILTER K32001 K33999
• 2.12. HYDRAULIC PUMP
• 2.13. CONTROL VALVE
• 2.14. SELFREDUCING PRESSURE VALVE
• 2.15. SUCTION SAFETY VALVE
• 2.16. CLSS
• 2.17. SWING MOTOR
• 2.18. CENTER SWIVEL JOINT
• 2.19. TRAVEL MOTOR
• 2.20. VALVE CONTROL
• 2.21. WORK EQUIPMENT SWING PPC VALVE
• 2.22. TRAVEL PPC VALVE
• 2.23. SERVICE PPC VALVE
• 2.24. PPC SAFETY LOCK VALVE
• 2.25. PPC ACCUMULATOR
• 2.26. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 2.27. LSEPC VALVE
• 2.28. SOLENOID VALVE
• 2.29. BOOM SAFETY VALVE
• 2.30. OVERLOAD WARNING DEVICE
• 2.31. WORK EQUIPMENT
• 2.32. AIR CONDITIONER
• 2.33. ACTUAL ELECTRIC WIRING DIAGRAM
• 2.34. ELECTRIC CIRCUIT DIAGRAM
• 2.35. ENGINE CONTROL
• 2.36. ELECTRONIC CONTROL SYSTEM
• 2.37. MACHINE MONITOR SYSTEM
• 2.38. BREAKER MODE HYDRAULIC PERFORMANCE
• 3. TESTING AND ADJUSTING
• 3.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 3.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 3.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 3.4. TESTING AND ADJUSTING
• 3.5. TROUBLESHOOTING
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. METHOD OF USING MANUAL
• 4.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 4.3. SPECIAL TOOL LIST
• 4.4. SKETCHES OF SPECIAL TOOLS
• 4.5. STARTING MOTOR ASSEMBLY
• 4.6. ALTERNATOR ASSEMBLY
• 4.7. ENGINE OIL COOLER ASSEMBLY
• 4.8. FUEL INJECTION PUMP ASSEMBLY
• 4.9. WATER PUMP ASSEMBLY
• 4.10. NOZZLE HOLDER ASSEMBLY
• 4.11. TURBOCHARGER ASSEMBLY
• 4.12. THERMOSTAT ASSEMBLY
• 4.13. ENGINE FRONT SEAL
• 4.14. ENGINE REAR SEAL
• 4.15. CYLINDER HEAD ASSEMBLY
• 4.16. GOVERNOR MOTOR ASSEMBLY
• 4.17. AFTERCOOLER ASSEMBLY
• 4.18. AFTERCOOLER CORE ASSEMBLY
• 4.19. HYDRAULIC COOLER ASSEMBLY
• 4.20. RADIATOR, HYDRAULIC COOLER ASSEMBLY
• 4.21. ENGINE, MAIN PUMP ASSEMBLY
• 4.22. DAMPER ASSEMBLY
• 4.23. FUEL TANK ASSEMBLY
• 4.24. CENTER SWIVEL JOINT ASSEMBLY
• 4.25. FINAL DRIVE ASSEMBLY
• 4.26. TRAVEL MOTOR ASSEMBLY
• 4.27. SPROCKET
• 4.28. SWING MOTOR ASSEMBLY
• 4.29. SWING MACHINERY ASSEMBLY
• 4.30. REVOLVING FRAME ASSEMBLY
• 4.31. SWING CIRCLE ASSEMBLY
• 4.32. IDLER, RECOIL SPRING ASSEMBLY
• 4.33. IDLER ASSEMBLY
• 4.34. RECOIL SPRING ASSEMBLY
• 4.35. TRACK ROLLER ASSEMBLY
• 4.36. CARRIER ROLLER ASSEMBLY
• 4.37. TRACK SHOE ASSEMBLY
• 4.38. HYDRAULIC TANK ASSEMBLY
• 4.39. MAIN PUMP ASSEMBLY
• 4.40. MAIN PUMP INPUT SHAFT OIL SEAL
• 4.41. CONTROL VALVE ASSEMBLY
• 4.42. PUMP MERGE/DIVIDER VALVE ASSEMBLY
• 4.43. PRESSURE COMPENSATION VALVE ASSEMBLY
• 4.44. SERVO VALVE ASSEMBLY FOR FRONT PUMP
• 4.45. SERVO VALVE ASSEMBLY FOR REAR PUMP
• 4.46. LSEPC SOLENOID VALVE ASSEMBLY
• 4.47. SOLENOID VALVE ASSEMBLY
• 4.48. WORK EQUIPMENT PPC VALVE ASSEMBLY
• 4.49. TRAVEL PPC VALVE ASSEMBLY
• 4.50. PPC SHUTTLE VALVE ASSEMBLY
• 4.51. BOOM CYLINDER ASSEMBLY
• 4.52. ARM CYLINDER ASSEMBLY
• 4.53. BUCKET CYLINDER ASSEMBLY
• 4.54. HYDRAULIC CYLINDER ASSEMBLY
• 4.55. WORK EQUIPMENT ASSEMBLY
• 4.56. BUCKET ASSEMBLY
• 4.57. ARM ASSEMBLY
• 4.58. BUCKET, ARM ASSEMBLY
• 4.59. BOOM ASSEMBLY
• 4.60. OPERATORS CAB ASSEMBLY
• 4.61. COUNTERWEIGHT ASSEMBLY
• 4.62. AIR CONDITIONER COMPRESSOR ASSEMBLY
• 4.63. CONDENSER ASSEMBLY
• 4.64. RECEIVER TANK ASSEMBLY
• 4.65. AIR CONDITIONER UNIT ASSEMBLY
• 4.66. GOVERNOR, PUMP CONTROLLER ASSEMBLY
• 4.67. MONITOR PANEL ASSEMBLY
• 4.68. CONTROL STAND CASE
• 5. MAINTENANCE STANDARD
• 5.1. ENGINE MOUNT
• 5.2. SWING MACHINERY
• 5.3. SWING CIRCLE
• 5.4. FINAL DRIVE
• 5.5. TRACK FRAME AND RECOIL SPRING
• 5.6. IDLER
• 5.7. CARRIER ROLLER
• 5.8. TRACK ROLLER
• 5.9. TRACK SHOE (TRIPLE GROUSER SHOE)
• 5.10. HYDRAULIC PUMP
• 5.11. CONTROL VALVE
• 5.12. SELFREDUCING PRESSURE VALVE
• 5.13. SUCTION SAFETY VALVE
• 5.14. SWING MOTOR
• 5.15. TRAVEL MOTOR
• 5.16. WORK EQUIPMENT, SWING PPC VALVE
• 5.17. TRAVEL PPC VALVE
• 5.18. SERVICE PPC VALVE
• 5.19. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 5.20. LSEPC VALVE
• 5.21. SOLENOID VALVE
• 5.22. CENTER SWIVEL JOINT
• 5.23. HYDRAULIC CYLINDER
• 5.24. WORK EQUIPMENT
• 5.25. DIMENSIONS OF WORK EQUIPMENT
• 6. OTHERS
• 6.1. HYDRAULIC CIRCUIT DIAGRAM
• 6.2. ELECTRIC CIRCUIT DIAGRAM (1/3)
• 6.3. ELECTRIC CIRCUIT DIAGRAM (2/3)
• 6.4. ELECTRIC CIRCUIT DIAGRAM (3/3)