Komatsu PC270LC-6LE Hydraulic Excavator Shop Manual CEBD003001

Description

• Model List:
  • PC270LC-6LE 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 TABLES
• 1. GENERAL
• 1.1. GENERAL ASSEMBLY DRAWING
• 1.2. WEIGHT TABLE
• 1.3. FUEL, COOLANT AND LUBRICANTS
• 2. STRUCTURE AND FUNCTION
• 2.1. ENGINE RELATED PARTS
• 2.2. RADIATOR AND OIL COOLER
• 2.3. POWER TRAIN
• 2.4. FINAL DRIVE
• 2.5. SWING CIRCLE
• 2.6. SWING MACHINERY
• 2.7. TRACK FRAME AND RECOIL SPRING
• 2.8. TRACK SHOE
• 2.9. HYDRAULIC PIPING DRAWING
• 2.10. HYDRAULIC CIRCUIT DIAGRAM
• 2.11. HYDRAULIC TANK
• 2.12. HYDRAULIC PUMP
• 2.13. BASIC PUMP
• 2.14. LS (LOADING SENSING) AND PC (POWER CONTROL) VALVE
• 2.15. INLINE OIL FILTER
• 2.16. CONTROL VALVE
• 2.17. SAFETYSUCTION VALVE FOR SERVICE VALVE
• 2.18. SELFREDUCING PRESSURE VALVE
• 2.19. CLSS
• 2.20. SWING MOTOR
• 2.21. CENTER SWIVEL JOINT
• 2.22. TRAVEL MOTOR
• 2.23. VALVE CONTROL
• 2.24. WORK EQUIPMENT AND SWING PPC VALVE
• 2.25. TRAVEL PPC VALVE
• 2.26. SERVICE PPC VALVE
• 2.27. SAFETY LOCK VALVE
• 2.28. STRAIGHTTRAVEL SYSTEM
• 2.29. EPC VALVE
• 2.30. BOOM LOCK VALVE
• 2.31. ADDITIONAL FILTER FOR BREAKER
• 2.32. WORK EQUIPMENT
• 2.33. AIR CONDITIONER
• 2.34. AIR CONDITIONING CONDENSER
• 2.35. AIR CONDITIONER COMPRESSOR
• 2.36. RECEIVER WITH SIGHT GLASS
• 2.37. AIR CONDITIONER UNIT
• 2.38. ELECTRICAL WIRING DIAGRAM
• 2.39. ELECTRICAL CIRCUIT DIAGRAM
• 2.40. ENGINE CONTROL SYSTEM
• 2.41. MACHINE MONITOR SYSTEM
• 2.42. SENSORS
• 3. TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.1. TESTING AND ADJUSTING
• 3.2. TROUBLESHOOTING
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. METHOD OF USING MANUAL
• 4.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 4.3. SPECIAL TOOLS LIST
• 4.4. SPECIAL TOOL SKETCH
• 4.5. AIR CONDITIONER COMPRESSOR
• 4.6. AIR CONDITIONER CONDENSER
• 4.7. RECEIVER DRIER
• 4.8. FUEL INJECTION PUMP
• 4.9. CYLINDER HEAD ASSEMBLY
• 4.10. RADIATOR HYDRAULIC OIL COOLER
• 4.11. ENGINE, MAIN PUMP
• 4.12. CENTER SWIVEL JOINT
• 4.13. SWING MOTOR AND MACHINERY
• 4.14. SWING MACHINERY
• 4.15. REVOLVING FRAME
• 4.16. SWING CIRCLE
• 4.17. IDLERRECOIL SPRING
• 4.18. IDLER RECOIL SPRING
• 4.19. MAIN PUMP INPUT SHAFT OIL SEAL
• 4.20. PUMP MERGERDIVIDER VALVE
• 4.21. MAIN RELIEF VALVE
• 4.22. PCEPC, LSEPC VALVES
• 4.23. SOLENOID VALVE
• 4.24. WORK EQUIPMENT SWING PPC VALVE
• 4.25. TRAVEL PPC VALVE
• 4.26. BOOM LOCK VALVE
• 4.27. BUCKET CYLINDER
• 4.28. HYDRAULIC CYLINDER
• 4.29. ENGINE THROTTLE PUMP CONTROLLER
• 4.30. CONTROL STAND CASE
• 4.31. MONITOR
• 5. MAINTENANCE STANDARD
• 5.1. SWING MACHINERY
• 5.2. SWING CIRCLE
• 5.3. FINAL DRIVE
• 5.4. TRACK FRAME AND RECOIL SPRING
• 5.5. VARIABLE PRESSURE COMPENSATION VALVE
• 5.6. SAFETYSUCTION VALVE FOR SERVICE VALVE
• 5.7. SELFREDUCING PRESSURE VALVE
• 5.8. SWING MOTOR
• 5.9. TRAVEL MOTOR
• 5.10. WORK EQUIPMENT AND SWING PPC VALVES
• 5.11. TRAVEL PPC VALVE
• 5.12. SERVICE PPC VALVE
• 5.13. EPC SOLENOID VALVE
• 5.14. CENTER SWIVEL JOINT
• 5.15. BOOM LOCK VALVE
• 5.16. HYDRAULIC CYLINDER
• 5.17. WORK EQUIPMENT
• 5.18. DIMENSION OF WORK EQUIPMENT