Komatsu PC300LC-6, PC300HD-6 Hydraulic Excavator Shop Manual CEBM3006C2

Description

• Model List:
  • PC300LC-6 Hydraulic Excavator
  • PC300HD-6 Hydraulic Excavator

• 1. MAIN MENU
• 2. CONTENTS
• 3. SAFETY/FOREWARD
• 4. GENERAL
• 4.1. SPECIFICATION DRAWINGS
• 4.2. FUEL, COOLANT AND LUBRICANTS
• 4.3. ENGINE OIL SPECIFICATIONS
• 4.4. DIESEL FUEL SPECIFICATIONS
• 4.5. COOLANT SPECIFICATIONS
• 5. STRUCTURE AND FUNCTION
• 5.1. ENGINE RELATED PARTS
• 5.2. RADIATOR OIL COOLER
• 5.3. POWER TRAIN
• 5.4. FINAL DRIVE PC300LC6
• 5.5. FINAL DRIVE PC300HD6
• 5.6. SWING CIRCLE
• 5.7. SWING MACHINERY
• 5.8. TRACK FRAME RECOIL SPRING
• 5.9. TRACK SHOE
• 5.10. HYDRAULIC PIPING DRAWING
• 5.11. HYDRAULIC CIRCUIT DIAGRAM
• 5.12. HYDRAULIC TANK
• 5.13. HYDRAULIC PUMP
• 5.14. CONTROL PUMP
• 5.15. SUCTION SAFETY VALVE
• 5.16. CLSS
• 5.17. SWING MOTOR
• 5.18. CENTER SWIVEL JOINT
• 5.19. TRAVEL MOTOR
• 5.20. VALVE CONTROL
• 5.21. WORK EQUIPMENT SWING PPC VALVE
• 5.22. TRAVEL PPC VALVE
• 5.23. SERVICE PPC VALVE
• 5.24. PPC SAFETY LOCK VALVE
• 5.25. PPC ACCUMULATOR
• 5.26. PPC SHUTTLE VALVE TRAVEL JUNCTION VALVE
• 5.27. EPC SOLENOID VALVE
• 5.28. FOR LS SELECT, BOOM HI 2STAGE SAFETY VALVE, MERGE/FLOW DIVIDER, TRAVEL SPEED, SWING BRAKE
• 5.29. FOR LS VALVE CONTROL
• 5.30. BOOM HOLDING VALVE
• 5.31. HYDRAULIC CYLINDER
• 5.32. WORK EQUIPMENT
• 5.33. ELECTRICAL WIRING DIAGRAM
• 5.34. ELECTRICAL CIRCUIT DIAGRAM
• 5.35. ENGINE CONTROL
• 5.36. ELECTRONIC CONTROL SYSTEM
• 5.37. MACHINE MONITOR SYSTEM
• 6. TESTING AND ADJUSTMENT
• 6.1. STANDARD VALUE TABLE FOR ENGINE
• 6.2. STANDARD VALUE TABLE FOR CHASSIS PARTS
• 6.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 6.4. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 6.5. MEASURING ENGINE SPEED
• 6.6. MEASURING INTAKE MANIFOLD PRESSURE
• 6.7. MEASURING INTAKE AIR RESTRICTION
• 6.8. MEASURING LUBRICATING OIL PRESSURE
• 6.9. MEASURING FUEL (FILTER) INLET RESTRICTION
• 6.10. MEASURING BLOWBY PRESSURE
• 6.11. MEASURING ENGINE BACK PRESSURE
• 6.12. MEASURING EXHAUST COLOR
• 6.13. MEASURING COOLANT TEMPERATURE
• 6.14. MEASURING VALVE CLEARANCE
• 6.15. TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE
• 6.16. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 6.17. TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)
• 6.18. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
• 6.19. TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
• 6.20. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 6.21. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
• 6.22. ADJUSTING WORK EQUIPMENT SWING PPC VALVE
• 6.23. TESTING TRAVEL DEVIATION
• 6.24. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 6.25. MEASURING OIL LEAKAGE
• 6.26. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 6.27. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 6.28. TESTING AND ADJUSTING TRACK SHOE TENSION
• 6.29. BLEEDING AIR
• 6.30. TROUBLESHOOTING
• 7. DISASSEMBLY AND ASSEMBLY
• 7.1. METHOD OF USING MANUAL
• 7.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 7.3. SPECIAL TOOL LIST
• 7.4. SKETCHES OF SPECIAL TOOLS
• 7.5. STARTING MOTOR
• 7.6. ALTERNATOR
• 7.7. ENGINE OIL COOLER
• 7.8. FUEL INJECTION PUMP
• 7.9. WATER PUMP
• 7.10. NOZZLE HOLDER
• 7.11. TURBOCHARGER
• 7.12. THERMOSTAT
• 7.13. ENGINE FRONT SEAL
• 7.14. CYLINDER HEAD
• 7.15. GOVERNOR MOTOR
• 7.16. HYDRAULIC COOLER
• 7.17. RADIATOR, HYDRAULIC COOLER
• 7.18. ENGINE, MAIN PUMP
• 7.19. DAMPER
• 7.20. FUEL TANK
• 7.21. CENTER SWIVEL JOINT
• 7.22. FINAL DRIVE PC3OOLC
• 7.23. FINAL DRIVE PC300HD
• 7.24. TRAVEL MOTOR PC3OOLC
• 7.25. TRAVEL MOTOR PC300HD
• 7.26. SPROCKET
• 7.27. SWING MOTOR
• 7.28. SWING MACHINERY
• 7.29. REVOLVING FRAME
• 7.30. SWING CIRCLE
• 7.31. IDLER, RECOIL SPRING
• 7.32. IDLER PC3OOLC
• 7.33. IDLER PC300HD
• 7.34. RECOIL SPRING
• 7.35. TRACK ROLLER
• 7.36. CARRIER ROLLER
• 7.37. TRACK SHOE
• 7.38. HYDRAULIC TANK
• 7.39. CONTROL PUMP
• 7.40. MAIN PUMP
• 7.41. MAIN PUMP INPUT SHAFT OIL SEAL
• 7.42. CONTROL VALVE
• 7.43. PUMP MERGE/DIVIDER VALVE
• 7.44. PRESSURE COMPENSATION VALVE
• 7.45. SERVO VALVE FOR FRONT PUMP
• 7.46. SERVO VALVE FOR REAR PUMP
• 7.47. LSEPC SOLENOID VALVE
• 7.48. SOLENOID VALVE
• 7.49. WORK EQUIPMENT PPC VALVE
• 7.50. WORK EQUIPMENT PPC VALVE
• 7.51. TRAVEL PPC VALVE
• 7.52. BOOM LOCK VALVE
• 7.53. BOOM CYLINDER
• 7.54. ARM CYLINDER
• 7.55. BUCKET CYLINDER
• 7.56. HYDRAULIC CYLINDER
• 7.57. WORK EQUIPMENT
• 7.58. BUCKET
• 7.60. BUCKET, ARM
• 7.61. BOOM
• 7.62. OPERATORS CAB
• 7.63. COUNTERWEIGHT
• 7.64. AIR CONDITIONER COMPRESSOR
• 7.65. CONDENSER
• 7.66. AIR CONDITIONER UNIT
• 7.67. GOVERNOR, PUMP CONTROLLER
• 7.68. MONITOR PANEL
• 7.69. CONTROL STAND CASE
• 8. MAINTENANCE STANDARD
• 8.1. ENGINE MOUNT
• 8.2. SWING MACHINERY
• 8.3. SWING CIRCLE
• 8.4. FINAL DRIVE (PC300LC6)
• 8.5. FINAL DRIVE (PC300HD6)
• 8.6. TRACK FRAME RECOIL SPRING (PC300LC6)
• 8.7. TRACK FRAME RECOIL SPRING (PC300HD6)
• 8.8. IDLER (PC300LC6)
• 8.9. IDLER (PC300HD6)
• 8.10. CARRIER ROLLER
• 8.11. TRACK ROLLER
• 8.12. TRACK CHAIN ASSM. (PC300LC6)
• 8.13. TRACK CHAIN ASSM. (PC300HD6)
• 8.14. HYDRAULIC PUMP
• 8.15. CONTROL PUMP AND RELIEF VALVE
• 8.16. CONTROL VALVE (10SPOOL)
• 8.17. SUCTIONSAFETY VALVE
• 8.18. SWING MOTOR
• 8.19. TRAVEL MOTOR (PC300LC6)
• 8.20. TRAVEL MOTOR (PC300HD6)
• 8.21. WORK EQUIPMENT SWING PPC VALVE
• 8.22. TRAVEL PPC VALVE
• 8.23. SERVICE PPC VALVE
• 8.24. PPC SHUTTLE VALVE TRAVEL JUNCTION VALVE
• 8.25. EPC SOLENOID VALVE
• 8.26. CENTER SWIVEL JOINT
• 8.27. BOOM HOLDING VALVE
• 8.28. HYDRAULIC CYLINDER
• 8.29. WORK EQUIPMENT