Fault
External oil leakage
Cause
Oil drain valve broken or thread loctite failed
Remedy
Replace the oil drain valve or re-loctite the thread.
Cause
Oil sight glass broken or sealing O
‑
ring and gasket failed
Remedy
Replace the oil sight glass kit.
Cause
Oil casing sealing gasket failed or casing broken
Remedy
Replace the oil casing sealing gaskets or replace the oil casing.
Cause
Oil leakage at the shaft seals
Remedy
Replace the shaft seals.
Cause
Exhaust port blocked or the over-pressure valve thread loctite failed
Remedy
Clear the exhaust line or re-loctite the valve thread.
Cause
Plug seals failed or not fasten enough
Remedy
Replace the plug seals or fasten the plugs.
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300956027_002_A0 - 03/2022 - © Leybold
Fault finding
