Komatsu PC300-6 Custom, PC300LC-6 Custom Hydraulic Excavator Shop Manual SEBM007201

Description

• Model List:
  • PC300-6 Custom Hydraulic Excavator
  • PC300LC-6 Custom 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 AND FUNCTION
• 4.1. PARTS RELATED TO ENGINE
• 4.2. RADIATOR, OIL COOLER
• 4.3. POWER TRAIN
• 4.4. FINAL DRIVE
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME, RECOIL SPRING
• 4.8. TRACK SHOE
• 4.9. HYDRAULIC PIPING DRAWING
• 4.10. HYDRAULIC CIRCUIT DIAGRAM
• 4.11. HYDRAULIC TANK, HYDRAULIC FILTER
• 4.12. HYDRAULIC PUMP
• 4.13. CONTROL VALVE
• 4.14. SUCTION SAFETY VALVE
• 4.15. CLSS
• 4.16. SWING MOTOR
• 4.17. CENTER SWIVEL JOINT
• 4.18. TRAVEL MOTOR
• 4.19. VALVE CONTROL
• 4.20. WORK EQUIPMENT, SWING PPC VALVE
• 4.21. TRAVEL PPC VALVE
• 4.22. SERVICE PPC VALVE
• 4.23. PPC SAFETY LOCK VALVE
• 4.24. PPC ACCUMULATOR
• 4.25. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 4.26. SOLENOID VALVE
• 4.27. BOOM HOLDING VALVE
• 4.28. HYDRAULIC CYLINDER
• 4.29. WORK EQUIPMENT
• 4.30. ACTUAL ELECTRIC WIRING DIAGRAM
• 4.31. ELECTRIC CIRCUIT DIAGRAM
• 4.32. ENGINE CONTROL SYSTEM
• 4.33. ELECTRIC CONTROL SYSTEM
• 4.34. MACHINE MONITOR SYSTEM
• 4.35. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.4. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 5.5. MEASURING ENGINE SPEED
• 5.6. MEASURING EXHAUST COLOR
• 5.7. ADJUSTING VALVE CLEARANCE
• 5.8. MEASURING COMPRESSION PRESSURE
• 5.9. MEASURING BLOWBY PRESSURE
• 5.10. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.11. MEASURING ENGINE OIL PRESSURE
• 5.12. TESTING AND ADJUSTING ALTERNATOR BELT TENSION
• 5.13. TESTING AND ADJUSTING WATER PUMP BELT TENSION
• 5.14. TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
• 5.15. MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
• 5.16. ADJUSTING FUEL CONTROL LEVER
• 5.17. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 5.18. TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)
• 5.19. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
• 5.20. TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
• 5.21. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 5.22. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
• 5.23. ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
• 5.24. TESTING TRAVEL DEVIATION
• 5.25. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.26. MEASURING OIL LEAKAGE
• 5.27. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.28. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 5.29. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.30. BLEEDING AIR
• 5.31. 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. SKETCHES OF SPECIAL TOOLS
• 6.5. STARTING MOTOR ASSEMBLY
• 6.6. ALTERNATOR ASSEMBLY
• 6.7. ENGINE OIL COOLER ASSEMBLY
• 6.8. FUEL INJECTION PUMP ASSEMBLY
• 6.9. WATER PUMP ASSEMBLY
• 6.10. NOZZLE HOLDER ASSEMBLY
• 6.11. TURBOCHARGER ASSEMBLY
• 6.12. THERMOSTAT ASSEMBLY
• 6.13. ENGINE FRONT SEAL
• 6.14. CYLINDER HEAD ASSEMBLY
• 6.15. AFTERCOOLER ASSEMBLY
• 6.16. HYDRAULIC COOLER ASSEMBLY
• 6.17. RADIATOR, HYDRAULIC COOLER ASSEMBLY
• 6.18. ENGINE, MAIN PUMP ASSEMBLY
• 6.19. DAMPER ASSEMBLY
• 6.20. FUEL TANK ASSEMBLY
• 6.21. CENTER SWIVEL JOINT ASSEMBLY
• 6.22. FINAL DRIVE ASSEMBLY
• 6.23. TRAVEL MOTOR ASSEMBLY
• 6.24. SPROCKET
• 6.25. SWING MOTOR ASSEMBLY
• 6.26. SWING MACHINERY ASSEMBLY
• 6.27. REVOLVING FRAME ASSEMBLY
• 6.28. SWING CIRCLE ASSEMBLY
• 6.29. IDLER, RECOIL SPRING ASSEMBLY
• 6.30. IDLER ASSEMBLY
• 6.31. RECOIL SPRING ASSEMBLY
• 6.32. TRACK ROLLER ASSEMBLY
• 6.33. CARRIER ROLLER ASSEMBLY
• 6.34. TRACK SHOE ASSEMBLY
• 6.35. HYDRAULIC TANK ASSEMBLY
• 6.36. CONTROL PUMP ASSEMBLY
• 6.37. MAIN PUMP ASSEMBLY
• 6.38. MAIN PUMP INPUT SHAFT OIL SEAL
• 6.39. CONTROL VALVE ASSEMBLY
• 6.40. PUMP MERGE/DIVIDER VALVE ASSEMBLY
• 6.41. PRESSURE COMPENSATION VALVE ASSEMBLY
• 6.42. SERVO VALVE ASSEMBLY FOR FRONT PUMP
• 6.43. SERVO VALVE ASSEMBLY FOR REAR PUMP
• 6.44. PPC LOCK AND SWING BRAKE SOLENOID VALVE ASSEMBLY
• 6.45. MERGE/FLOW DIVIDER AND TRAVEL HI/LO SOLENOID VALVE ASSEMBLY
• 6.46. WORK EQUIPMENT PPC VALVE ASSEMBLY
• 6.47. TRAVEL PPC VALVE ASSEMBLY
• 6.48. PPC SHUTTLE VALVE ASSEMBLY
• 6.49. BOOM LOCK VALVE ASSEMBLY
• 6.50. BOOM CYLINDER ASSEMBLY
• 6.51. ARM CYLINDER ASSEMBLY
• 6.52. BUCKET CYLINDER ASSEMBLY
• 6.53. HYDRAULIC CYLINDER ASSEMBLY
• 6.54. WORK EQUIPMENT ASSEMBLY
• 6.55. BUCKET ASSEMBLY
• 6.56. ARM ASSEMBLY
• 6.57. BUCKET, ARM ASSEMBLY
• 6.58. BOOM ASSEMBLY
• 6.59. OPERATORS CAB ASSEMBLY
• 6.60. MONITOR ASSEMBLY
• 6.61. COUNTERWEIGHT ASSEMBLY
• 6.62. CONTROL STAND CASE
• 6.63. AIR CONDITIONER COMPRESSOR ASSEMBLY
• 6.64. CONDENSER ASSEMBLY
• 6.65. AIR CONDITIONER UNIT ASSEMBLY
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT
• 7.2. SWING MACHINERY
• 7.3. SWING CIRCLE
• 7.4. FINAL DRIVE
• 7.5. TRACK FRAME AND RECOIL SPRING
• 7.6. CONTROL PUMP AND RELIEF VALVE
• 7.7. CONTROL VALVE
• 7.8. SUCTIONSAFETY VALVE
• 7.9. SWING MOTOR
• 7.10. TRAVEL MOTOR
• 7.11. WORK EQUIPMENT, SWING PPC VALVE
• 7.12. TRAVEL PPC VALVE
• 7.13. SERVICE PPC VALVE
• 7.14. PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE
• 7.15. CENTER SWIVEL JOINT
• 7.16. BOOM HOLDING VALVE
• 7.17. HYDRAULIC CYLINDER
• 7.18. WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC PIPING DIAGRAM (1012)
• 8.2. HYDRAULIC CIRCUIT DIAGRAM (1013)
• 8.3. OPERATION FOR EACH FUNCTION OF CLSS (1050)
• 8.4. OPERATION OF WHOLE CLSS SYSTEM