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TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
ACTION
JACK WILL NOT LIFT TO FULL
HEIGHT
LOW OIL LEVEL
CHECK OIL LEVEL AND REFILL IF
NECESSARY
JACK WILL NOT HOLD LOAD
RELEASE VALVE NOT CLOSING
OIL CONTAMINATED
PUMP VALVES NOT SEALING
CYLINDER RAM BINDING
CONTACT CUSTOMER SERVICE
LIFT ARM WILL NOT LOWER
CYLINDER RAM BINDING
PARTS WORN
INTERNAL DAMAGE
BROKEN RETURN SPRING
LIFT ARM LINKAGE BENT OR
BINDING
CONTACT CUSTOMER SERVICE
JACK FEELS SPONGY WHEN
LIFTING
SEE AIR PURGE SECTION
PURGE TRAPPED AIR
FACTORY SERVICE
If this hydraulic jack if found to be damaged in any way, worn or oper-
ating abnormally it should be removed from service until inspected by
an authorised repair centre.
Owner/operators should be aware that the repair of this jack requires
specialised equipment and knowledge. Only factory authorised parts,
labels and decals shall be used on this equipment. An annual inspec-
tion of this jack by an authorised repair centre is recommended to
ensure the jack maintains an optimum operating condition.
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