Komatsu PC300LC-7L, PC300HD-7L Hydraulic Excavator Shop Manual CEBM009104

Description

• Model List:
  • PC300LC-7L Hydraulic Excavator
  • PC300HD-7L Hydraulic Excavator

• 0.1. GENERAL
• 0.2. HOW TO READ THE SHOP MANUAL
• 0.3. HOISTING INSTRUCTIONS
• 0.4. COATING MATERIALS
• 0.5. STANDARD TIGHTENING TORQUE
• 0.6. ELECTRIC WIRE CODE
• 0.7. CONVERSION TABLES
• 1. GENERAL
• 1.1. SPECIFICATION DIMENSION DRAWINGS
• 1.2. SPECIFICATIONS
• 1.3. WEIGHT TABLE
• 1.4. FUEL, COOLANT, AND LUBRICANTS
• 2. STRUCTURE AND FUNCTION
• 2.1. ENGINE RELATED PARTS
• 2.2. RADIATOR OIL COOLER AFTERCOOLER
• 2.3. FINAL DRIVE
• 2.4. SPROCKET
• 2.5. REAL DIMENSION OF SPROCKET TOOTH SHAPE
• 2.6. SWING MACHINERY
• 2.7. SWING CIRCLE
• 2.8. TRACK FRAME RECOIL SPRING
• 2.9. IDLER
• 2.10. CARRIER ROLLER
• 2.11. TRACK ROLLER
• 2.12. TRACK SHOE
• 2.13. TRIPLE GROUSER SHOE
• 2.14. HYDRAULIC EQUIPMENT LAYOUT DRAWING
• 2.15. VARIABLE VOLUME VALVE
• 2.16. CONTROL VALVE
• 2.17. CLSS
• 2.18. SELF PRESSURE REDUCING VALVE
• 2.19. SWING MOTOR
• 2.20. REVERSE PREVENTION VALVE
• 2.21. CENTER SWIVEL JOINT
• 2.22. TRAVEL MOTOR
• 2.23. TRAVEL JUNCTION VALVE
• 2.24. TRAVEL PPC SHUTTLE VALVE
• 2.25. VALVE CONTROL
• 2.26. WORK EQUIPMENT SWING PPC VALVE
• 2.27. TRAVEL PPC VALVE
• 2.28. SERVICE VALVE
• 2.29. SOLENOID VALVE
• 2.30. PPC ACCUMULATOR
• 2.31. RETURN OIL FILTER
• 2.32. BOOM HYDRAULIC DRIFT PREVENTION VALVE
• 2.33. QUICK RETURN VALVE
• 2.34. LIFT CHECK VALVE
• 2.35. ATTACHMENT CIRCUIT SELECTOR VALVE
• 2.36. HYDRAULIC CYLINDER
• 2.37. WORK EQUIPMENT
• 2.38. AIR CONDITIONER
• 2.39. ENGINE CONTROL
• 2.40. ELECTRONIC CONTROL SYSTEM
• 2.41. MULTI MONITOR SYSTEM
• 2.42. SENSORS
• 3. TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.1. STANDARD VALUE TABLES
• 3.2. TESTING AND ADJUSTING
• 3.3. TROUBLESHOOTING GENERAL
• 3.4. TROUBLESHOOTING ELECTRICAL SYSTEM (EMODE)
• 3.5. TROUBLESHOOTING MONITOR ELECTRICAL SYSTEM (EMODE)
• 3.6. TROUBLESHOOTING HYDRAULIC AND MECHANICAL SYSEM (HMODE)
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. METHOD OF USING MANUAL
• 4.2. PRECAUTIONS DURING OPERATION
• 4.3. SPECIAL TOOL LIST
• 4.4. SKETCHES OF SPECIAL TOOLS
• 4.5. ENGINE
• 4.6. RADIATOR
• 4.7. HYDRAULIC OIL COOLER
• 4.8. ENGINE AND HYDRAULIC PUMPS
• 4.9. SWING MOTOR AND SWING MACHINERY
• 4.10. SWING CIRCLE
• 4.11. REVOLVING FRAME
• 4.12. CENTER SWIVEL JOINT
• 4.13. HYDRAULIC PUMP
• 4.14. WORK EQUIPMENT PPC VALVE
• 4.15. TRAVEL PPC VALVE
• 4.16. HYDRAULIC CYLINDER
• 4.17. WORK EQUIPMENT
• 4.18. AIR CONDITIONER
• 4.19. GOVERNOR PUMP CONTROLLER
• 5. OTHERS
• 5.1. ELECTRICAL
• 5.2. HYDRAULIC