GEA Grasso 5 - Page 41

Troubleshooting
FAULT CAUSE REMEDY
4. Restriction plug at the bottom of suction
chamber in cylinder clogged
Clean plug
5. Worn out oil scraper ring(s) Replace ring(s)
6. Loss of oil due to leakage Repair
7. Leaking shaft seal (max. 1 cc/hr)
Repair shaft seal
Refer to Section 2.2
8. Oil level in crankcase too high Drain/Refill with oil
9. Oil separator is not initially filled with oil Refer to section “Initial oil charge”
H
Too high oil pressure during
normal operation at working
temperature
1. Lubricating oil pressure regulator not
adjusted properly or defective
Re-adjust or renew
2. Defective oil pressure and/or suction
pressure gauge (if present)
Repair or replace
J
Too low lubricating oil pressure
1. Too little oil in crankcase
Ensure oil return from oil separator.
Top up oil
2. Disturbed oil circuit: Oil suction and/or
discharge filter is dirty
Renew the element of oil suction filter and/or oil
discharge filter
3. Lubricating oil pressure regulator not
adjusted properly or defective
Re-adjust or renew
4. Liquid refrigerant in crankcase See E
5. Defective oil pressure and/or suction
pressure gauge (if present)
Repair or renew
6. Worn bearings Renew bearings
K
Too low or no control oil
pressure
(Not or Grasso 5HP)
1. Failure of control oil pressure regulator in
oil pump
Re-adjust or renew regulator
2. A lack of oil in oil system Add oil to the system
3. Oil pump defect Repair or renew oil pump
INSPECTION AND TROUBLE SHOOTING
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