POSSIBLE PROBLEMS AND SOLUTIONS
Problem
The piston does not
lift.
Piston does not lift
totally.
Piston lifts very
slowly.
Cylinder looses pres-
sure while holding
the load.
Oil leakage.
Piston does not
retract fully.
Cause
Release valve is opened.
Air in hydraulic circuit.
Low oil level.
Dirt in hydraulic circuit.
Non-correct hydraulic connection. Assure hydraulic connection is
Deformed piston.
Low oil level.
Deformed piston.
Air in the hydraulic circuit.
Dirt in hydraulic circuit.
Air in the hydraulic circuit.
Dirt in hydraulic circuit.
Worn or damaged seals.
Worn or damaged seals.
Non correct hydraulic connection. Assure hydraulic connection is
Excess of oil.
Deformed piston.
Dirt in hydraulic circuit.
Damaged return spring.
Release valve closed.
E N G L I S H
Solution
Close release valve.
Purge the circuit.
Refill with required volume.
Clean hydraulic circuit.
correct.
Contact your distributor.
Refill.
Contact your distributor.
Purge hydraulic circuit.
Clean hydraulic circuit.
Purge the hydraulic circuit.
Clean hydraulic circuit.
Contact your distributor.
Contact your distributor.
correct.
Remove excess of oil.
Contact your distributor.
Clean hydraulic circuit.
Contact your distributor.
Open the release valve.
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