TROUBLESHOOTING:
CAUTION:
To prevent personal injury, all inspec on, maintenance, and repair procedures must be performed when
the jack is free of load.
Trouble
Cause
Solu on
Jack Does Not Li
1. Release valve is open
1. Verify the release valve is
closed. Release valve may
need cleaning
2. Low/no
hydraulic uid in
reservoir
2. Fill with approved hydraulic
uid and bleed system
3. Air
trapped
in
hydraulic
system
3. Follow the purge air
procedure
4. Load is above capacity of jack
4. Use the correct equipment
5. Delivery valve and/or bypass
valve not working correctly
5. Clean to remove dirt or
foreign objects from the
system. Replace hydraulic
uid
6. Seals worn or defec ve 6. Replace
seals
Jack li s only
ally
1. Too much or not enough
hydraulic uid
1. Check hydraulic uid level
Jack advances slowly
1. Pump not working correctly
1. Rework pump
2. Seals leaking
2. Replace seals/O-rings
Jack li s load, but doesn't
hold
1. Cylinder packing is leaking
1. Replace packing
2. Valve
not
working
correctly.
(Suc on, delivery, release or
bypass)
2. Inspect valves. Replace if
necessary
3. Air
trapped
in
hydraulic
system
3. Follow the purge air
procedure
Jack leaks hydraulic uid
1. Worn or damaged seals
1. Replace seals
Jack will not retract
1. Release valve is closed
1. Open the release valve by
turning the handle
counter-clockwise (CCW).
Maybe necessary to clean
release valve
NOTE:
Should you need assistance with parts, service or warranty, please contact your distributor
or point of sale.
