GEA Grasso 5 Installation And Maintenance Instructions Manual page 41

Troubleshooting
FAULT
H
Too high oil pressure during
normal operation at working
temperature
J
Too low lubricating oil pressure
K
Too low or no control oil
pressure
(Not or Grasso 5HP)
0089288_imm_v_english_19
07.04.2021
CAUSE
4. Restriction plug at the bottom of suction
chamber in cylinder clogged
5. Worn out oil scraper ring(s)
6. Loss of oil due to leakage
7. Leaking shaft seal (max. 1 cc/hr)
8. Oil level in crankcase too high
9. Oil separator is not initially filled with oil
1. Lubricating oil pressure regulator not
adjusted properly or defective
2. Defective oil pressure and/or suction
pressure gauge (if present)
1. Too little oil in crankcase
2. Disturbed oil circuit: Oil suction and/or
discharge filter is dirty
3. Lubricating oil pressure regulator not
adjusted properly or defective
4. Liquid refrigerant in crankcase
5. Defective oil pressure and/or suction
pressure gauge (if present)
6. Worn bearings
1. Failure of control oil pressure regulator in
oil pump
2. A lack of oil in oil system
3. Oil pump defect
INSPECTION AND TROUBLE SHOOTING
REMEDY
Clean plug
Replace ring(s)
Repair
Repair shaft seal
Refer to Section 2.2
Drain/Refill with oil
Refer to section "Initial oil charge"
Re-adjust or renew
Repair or replace
Ensure oil return from oil separator.
Top up oil
Renew the element of oil suction filter and/or oil
discharge filter
Re-adjust or renew
See E
Repair or renew
Renew bearings
Re-adjust or renew regulator
Add oil to the system
Repair or renew oil pump
41