Description
Komatsu PC850-8R1 Hydraulic Excavator Field Assembly Instruction (GEN00152-00)
Komatsu PC850-8R1 Hydraulic Excavator Index:
COVER
Contents
1. Introduction
2. Items to be performed before assembly
3. Items to be performed during assembly
4. Items to be performed after assembly
5. Remove and install large-sized components
6. Replace spring box and install relief valve, flow control sleeve, etc.
7. Install attachment shuttle valve
8. Install block to hydraulic tank
9. Install check valve drain port
10. Add cutout to floor mat
11. Install relay (in cab), wiring harness, and attachment pedal
12. Replace junction block and PPC hoses
13. Install wiring harness (on chassis side)
14. Install attachment tower bracket
15. Install PPC hose clamp
16. Change quick return circuit to attachment specification
17. Install bucket HI piping
18. Install parts for attachment and drain
19. Modify boom to “attachment and drain” specification
20. Modify arm to “attachment and drain” specification
21. Install hoses between chassis and “boom attachment and drain”
22. Install bucket cylinder hoses
23. Install attachment hoses between boom and arm
24. Piping fitting size for attachment
25. Adjustment method for flow control sleeve
26. Adjustment method for attachment circuit relief pressure
27. Maintenance procedure after completion of assembly
28. Check sheet for field assembly
