Komatsu PC850-8R1 Hydraulic Excavator Field Assembly Instruction GEN00152-00

Description

• Model List:
  • PC850-8R1 Hydraulic Excavator

• 1. COVER
• 2. Contents
• 3. Introduction
• 4. Items to be performed before assembly
• 5. Items to be performed during assembly
• 6. Items to be performed after assembly
• 7. Remove and install largesized components
• 8. Replace spring box and install relief valve, flow control sleeve, etc.
• 9. Install attachment shuttle valve
• 10. Install block to hydraulic tank
• 11. Install check valve drain port
• 12. Add cutout to floor mat
• 13. Install relay (in cab), wiring harness, and attachment pedal
• 14. Replace junction block and PPC hoses
• 15. Install wiring harness (on chassis side)
• 16. Install attachment tower bracket
• 17. Install PPC hose clamp
• 18. Change quick return circuit to attachment specification
• 19. Install bucket HI piping
• 20. Install parts for attachment and drain
• 21. Modify boom to attachment and drain specification
• 22. Modify arm to attachment and drain specification
• 23. Install hoses between chassis and boom attachment and drain
• 24. Install bucket cylinder hoses
• 25. Install attachment hoses between boom and arm
• 26. Piping fitting size for attachment
• 27. Adjustment method for flow control sleeve
• 28. Adjustment method for attachment circuit relief pressure
• 29. Maintenance procedure after completion of assembly
• 30. Check sheet for field assembly