Problem
Possible Cause
Remedy
Saddle won’t rise
Lifts only half way
Lifts, then lowers out
of control
Erratic lift.
1.
Release valve open.
2.
Oil Exhausted.
3.
Defective suction
and/or exhaust valve.
4.
Packing worn out or
defective.
1.
Insufficient oil.
1.
Air in system.
2.
Defective suction
and/or release valve.
3.
Defective piston
packing.
1.
Defective plunger
packing and/or valve.
1.
Tighten release
valve.
2.
Fill tank with oil.
3.
Check for dust
or foreign
matter inside
and clean.
4.
Replace
packing.
1.
Check oil
supply and fill.
1.
Open oil plug
on the front of
cylinder. Hold
saddle down.
Open release
valve and pump
handle several
times.
2.
Clean valves
and adjust
valve contact.
3.
Replace the
piston packing.
1.
Clean valves
and/or packing.
1-800-345-4545 jegs.com
Operation
Prior to each use, visually inspect jack. Check for cracks, cracked welds, and
missing and/or damaged parts. Any jack that appears to be damaged in any of
these ways must not be used.
To Lift
(d) Turn the release valve clockwise to the closed
position. Do not over tighten.
(e)
Consult the vehicle owner’s manual to determine the
location of jack points and position the jack under the
prescribed lift point. Be sure to set the vehicle parking
brake and lock the wheels.
(f) Be sure that the vehicle and the jack are on a hard,
level surface.
(g) Begin lifting by pumping the handle up and down.
(h) Always use jack stands in pairs to support loads at
locations recommended by the vehicle manufacturer.
Jacks are not designed to maintain heavy loads for
prolonged periods of time.
(i) Turn the release valve slowly counterclockwise to
lower the vehicle onto jack stands.
To Lower
(a) Turn the release valve clockwise to the closed
position. Do not over tighten.
(b) Pump the handle up and down to lift vehicle off jack
stands.
(c) Remove the jack stands. Do not get under or let
anyone under the vehicle while lowering.
(d) Turn the release valve slowly counterclockwise to
lower the vehicle onto the ground.
Maintenance
(a) Visual inspection MUST be made prior to each use of jack.
Check for cracks, cracked welds, missing or damaged parts.
(b) Keep all moving parts clean and well lubricated.
(c) Owners and/or operators should be aware that repair of this
equipment may require specialized knowledge and facilities. It
is recommended that an annual inspection of the product be
made by a manufacturer or supplier’s authorized repair facility
and that any defective parts, decals, or safety labels and signs
be replaced with manufact
urer or supplier’s specified parts.
Troubleshooting
