Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual WEBM000101

Description

• Model List:
  • PC12R-8 Hydraulic Excavator
  • PC15R-8 Hydraulic Excavator

• 1. COVER
• 1.1. CONTENTS
• 1.2. LIST OF REVISED PAGES
• 1.3. SAFETY
• 1.4. FOREWORD
• 1.5. HOW TO READ THE SHOP MANUAL
• 1.6. HOISTING INSTRUCTIONS
• 1.7. STANDARD TIGHTENING TORQUE
• 1.8. COATING MATERIALS
• 1.9. ELECTRIC WIRE CODE
• 1.10. WEIGHT TABLE
• 1.11. TABLE OF OIL AND COOLANT QUANTITIES
• 1.12. STRUCTURE AND FUNCTION
• 1.12.1. POWER TRAIN
• 1.12.2. SWING CIRCLE
• 1.12.3. SWING MOTOR
• 1.12.4. FINAL DRIVE
• 1.12.5. TRACK FRAME AND RECOIL SPRING
• 1.12.6. VARIABLE GAUGE TRACK FRAME AND RECOIL SPRING
• 1.12.7. CARRIER ROLLER
• 1.12.8. STEEL SHOE
• 1.12.9. HYDRAULIC SYSTEM PC12R8
• 1.12.10. HYDRAULIC SYSTEM PC15R8
• 1.12.11. HYDRAULIC CIRCUIT DIAGRAM PC12R8
• 1.12.12. HYDRAULIC CIRCUIT DIAGRAM PC12R8 MISTRAL
• 1.12.13. HYDRAULIC CIRCUIT DIAGRAM PC12R8 HS
• 1.12.14. HYDRAULIC CIRCUIT DIAGRAM PC12R8 MISTRAL HS
• 1.12.15. HYDRAULIC CIRCUIT DIAGRAM PC15R8
• 1.12.16. HYDRAULIC CIRCUIT DIAGRAM PC15R8 HS
• 1.12.17. HYDRAULIC CIRCUIT DIAGRAM
• 1.12.18. HYDRAULIC PUMP
• 1.12.19. CONTROL VALVE PC12R8 PC12R8 MISTRAL
• 1.12.20. CONTROL VALVE PC12R8 HS PC12R8 MISTRAL HS
• 1.12.21. CLSS
• 1.12.22. CONTROL VALVE PC15R8
• 1.12.23. VARIABLE GAUGE UNDERCARRIAGE SERVOCONTROL
• 1.12.24. SAFETY VALVE
• 1.12.25. CUTTING SHOVEL CONTROL VALVE
• 1.12.26. ELECTRICAL CIRCUIT DIAGRAM
• 1.13. TESTING AND ADJUSTMENTS
• 1.13.1. NORMAL OR STANDARD TECHNICAL DATA
• 1.13.2. SPECIAL TOOLS
• 1.13.3. CHECKING THE ENGINE SPEED
• 1.13.4. ADJUSTMENT OF VALVE CLEARANCE
• 1.13.5. MEASUREMENT OF THE COMPRESSION PRESSURE
• 1.13.6. CONTROL AND ADJUSTMENT OF THE TENSION OF THE FAN BELT
• 1.13.7. CONTROL AND ADJUSTMENT OF THE INJECTION TIMING
• 1.13.8. CONTROL AND ADJUSTMENT OF THE ACCELERATOR STROKE
• 1.13.9. ADJUSTMENT OF THE STROKE OF THE BLADE COMMAND LEVER
• 1.13.10. CONTROL AND ADJUSTMENT OF THE STROKE OF THE TRAVEL LEVER
• 1.13.11. CENTERING ADJUSTMENT OF THE BOOM SWING COMMAND PEDAL
• 1.13.12. ADJUSTMENT OF THE RUBBER PAD AND SAFETY MICROSWITCH FOR SERVOCONTROL ENGAGEMENT
• 1.13.13. CONTROL AND ADJUSTMENT OF THE TRACKSHOE TENSION
• 1.13.14. CONTROL AND REGULATION OF THE PRESSURE IN THE HYDRAULIC CIRCUITS (PC12R)
• 1.13.15. CONTROL AND REGULATION OF THE PRESSURES IN THE HYDRAULIC CIRCUITS (PC15R)
• 1.13.16. CONTROL AND REGULATION OF THE LS DIFFERENTIAL PRESSURE AND ADJUSTMENT OF THE LS VALVE
• 1.13.17. REGULATION OF THE PC VALVE
• 1.13.18. CONTROL AND REGULATION OF THE SERVOCONTROL POWER SUPPLY (PC12R)
• 1.13.19. CONTROL AND REGULATION OF THE SERVOCONTROL POWER SUPPLY (PC15R)
• 1.13.20. ELIMINATION OF RESIDUAL PRESSURES PRESSURISATION OF THE TANK
• 1.13.21. BLEEDING AIR FROM THE HYDRAULIC CIRCUITS
• 1.13.22. CONTROL OF HYDRAULIC DRIFTS ANALYSIS OF THE CAUSES OF A DRIFT
• 1.13.23. CHECKING FOR ANY LEAKAGES INSIDE THE WORKING EQUIPMENT CYLINDERS
• 1.13.24. CHECKING FOR ANY LEAKAGES INSIDE THE SWING MOTOR
• 1.13.25. METHODS FOR TESTING FOR LEAKAGES INSIDE THE SWIVEL JOINT
• 1.14. REMOVAL AND INSTALLATION
• 1.14.1. HOW TO READ THE MANUAL
• 1.14.2. PRECAUTIONS TO BE TAKEN WHILE WORKING
• 1.14.3. SPECIAL TOOLS
• 1.14.4. STARTER MOTOR
• 1.14.5. ALTERNATOR
• 1.14.6. PUMP GROUP
• 1.14.7. INJECTION NOZZLES
• 1.14.8. REAR COUNTERWEIGHT
• 1.14.9. TOP COVER AND SIDE PANELS
• 1.14.10. HYDRAULIC OIL TANK
• 1.14.11. FUEL TANK
• 1.14.12. ENGINEPUMP GROUP
• 1.14.13. PUMP
• 1.14.14. ENGINEPUMP COUPLING
• 1.14.15. CONTROL VALVE
• 1.14.16. RIGHTHAND PPC VALVE (BOOMBUCKET)
• 1.14.17. LEFTHAND PPC VALVE (ARMBUCKET)
• 1.14.18. SERVOCONTROL SOLENOID GROUP (PC12 WITHOUT TRAVEL INCREMENT)
• 1.14.19. SERVOCONTROL SOLENOID GROUP (PC12 WITH TRAVEL INCREMENT PC15R)
• 1.14.20. SWIVEL JOINT
• 1.14.21. SWING MOTOR
• 1.14.22. REVOLVING FRAME
• 1.14.23. SWING CIRCLE
• 1.14.24. TRAVEL MOTOR
• 1.14.25. RUBBER TRACK SHOES
• 1.14.26. TRACKSHOES
• 1.14.27. SPROCKET WHEEL
• 1.14.28. COMPLETE FINAL DRIVE
• 1.14.29. FINAL DRIVE
• 1.14.30. IDLER AND RECOIL SPRING ASSEMBLY
• 1.14.31. IDLER
• 1.14.32. SPRING RECOIL AND THRUST CYLINDER GROUPS
• 1.14.33. TRACK ROLLERS
• 1.14.34. BOOM CYLINDER
• 1.14.35. ARM CYLINDER
• 1.14.36. BUCKET CYLINDER
• 1.14.37. BOOM SWING CYLINDER
• 1.14.38. BLADE CYLINDER
• 1.14.39. WORKING EQUIPMENT CYLINDER
• 1.14.40. UPPER WORKING EQUIPMENT
• 1.14.41. BUCKET
• 1.14.43. BOOM
• 1.14.44. BOOM SWING SUPPORT
• 1.14.45. BLADE
• 1.15. STANDARD MAINTENANCE
• 1.15.1. SWING CIRCLE
• 1.15.2. TRACK FRAME AND RECOIL SPRING
• 1.15.3. VARIABLE GAUGE TRACK FRAME AND RECOIL SPRING
• 1.15.4. CYLINDERS PC12R8
• 1.15.5. CYLINDERS PC15R8
• 1.15.6. WORK EQUIPMENT PC12R8
• 1.15.7. WORK EQUIPMENT PC15R8