20479300
2-2012/Rev 01
9-1
SECTION 9
TROUBLESHOOTING
9.1 Overview
The troubleshooting guide will help identify the probable cause of a system malfunction and
assist in providing corrective action. The following symptoms are discussed in this section:
1. High oil temperature
2. Low oil level
3. Restricted or no cooling flow
4. Hydraulic pressure but no high pressure water pressure
5. No hydraulic oil pressure
6. Pump shaft will not turn
7. Pump will not start
8. Pump quits running
9. Abnormal fluctuations in high pressure water signal
10. Hot surfaces on the high pressure cylinder components
11. Low cutting water supply pressure
12. Low cutting water pressure
13. Hydraulic oil leaking from the weep hole in the hydraulic cylinder head
14. Water leaking from the weep hole on the hydraulic cylinder head flange
15. Water leaking from the weep hole in the sealing head
16. Water leaking from the weep hole in the sealing head gland nut
17. Water leaking from the weep holes in the hard seal end cap
18. High boosted water temperature
19. Booster pump pressure drop is greater than 30 psi (2 bar) during stroke condition
20. Outlet booster pump pressure is falling below 60 psi (4 bar)
21. Inlet water flow is poor and the filter housing is not filling completely
22. Water is leaking around the bleed valve on the filter head
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