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REF. 53684
TROUBLE SHOOTING
TO PREVENT SERIOUS INJURY
Be cautious when encountering operating difficulties in the cat.
Resolve all problems before operating the tool. If the solutions presented in the troubles-
hooting guide are not effective, have the jack inspected and repaired by a qualified technician.
After the ram and pump are repaired: Test without any load by raising and lowering the tool com
-
pletely, checking for actual operation, BEFORE USING THE PUMP AGAIN.
Problem
Possible cause
Solution
Ram does not operate
when handle is pum-
ped
Release valve not tightly
closed
Firmly close the release valve
Air in the pump
Please follow the steps:
1. Open the release valve by turning it
counter-clockwise, pump up the handle
10-15 times.
2. Close the release valve by turning
it clockwise, pump up the handle 5-10
times.
3. Repeat 3 times the steps 1 and 2
The steel ball is immersed
inside for too long
Ram will not hold load
Release valve not tightly
closed
Firmly close the release valve
Malfunction in pump such
as dirt inside valve mecha-
nism
Please follow the steps:
1. Open the release valve by turning it
counter-clockwise, pump up the handle
10-15 times.
2. Close the release valve by turning it
clockwise, pump up the handle 10-15
times
3. Repeat the step 1 and 2
Ram reluctant to lower
when load removed
Oil reservoir overfilled
Drain oil to correct level
Piston binding
Clean and lubricate moving parts
Overextend the ram
Replace ram
Ram will not extend to
full range of stroke
Low oil level
Add hydraulic oil to the reservoir
Ram tries to tilt to one
side
Incorrect of connection or
unbalance of the footing
Stop work and re-position ram and base,
ensuring it is well supported and as
close to perpendicular to the repair as
possible