Enerpac GBJ Serie Hoja De Instrucciones página 7

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SYMPTOM
3. Ram extends only
partially.
4. Ram advances slowly.
5. Ram advances but does
not hold pressure.
6. Visible oil leakage on
jack housing and/or
components.
7. Ram will not retract or
retracts slowly.
TROUBLESHOOTING TABLE (Continued)
POSSIBLE CAUSE
Low oil level.
Ram is binding.
Pump assembly worn or
damaged.
Seal wear and/or internal
damage.
Check valve not working.
Seal wear and/or internal
damage.
Release valve is closed.
Reservoir overfi lled.
Internal damage.
SOLUTION
Fill reservoir to the proper level with Enerpac Type
HF hydraulic oil (ISO Grade 32). Refer to Section
6.1.
Remove any dirt or gummy deposits from jack. Be
sure that jack is not misaligned under load.
Have jack inspected and repaired by Enerpac
Authorized Service Center.
Have jack inspected and repaired by Enerpac
Authorized Service Center.
Have jack inspected and repaired by Enerpac
Authorized Service Center.
Have jack inspected and repaired by Enerpac
Authorized Service Center.
Note: A small amount of oil residue on the surface
of the ram is normal during routine jack operation.
Open release valve.
Drain oil to correct level. Refer to Section 6.1.
Have jack inspected and repaired by Enerpac
Authorized Service Center.
7

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