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Parts List & Operating Instructions
Repair procedures must be performed in a dirt-free environment by qualified personnel who are familiar with this
equipment. CAUTION: All inspection, maintenance, and repair procedures must be performed when the jack
is free of a load (not in use).
Trouble
Failure to lift a load
Failure to hold a load
Air motor won't run, or runs
erratically
Reservoir leaks
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All manuals and user guides at all-guides.com
Troubleshooting Guide
Cause
1. Low oil level.
2. Air line leaks.
3. Inadequate air pressure.
4. Release knob open.
5. Jack is overloaded.
1. Release knob not closed.
1. Leak in air line.
2. Air piston is sticking.
3. Inadequate air pressure.
1. Loose oil fill plug.
2. Reservoir is overfilled.
Form No. 102752
Solution
1. Refer to the section Adding
Hydraulic Fluid.
2. Locate leak, tighten connections,
and/or replace hose.
3. Set air pressure at 90 –175 psi.
4. Close release knob.
5. Use equipment that has the
correct capacity for the job.
1. Turn release knob clockwise to
tighten securely.
1. Locate leak, tighten connections,
and/or replace hose.
2. Add small amount of oil to jack's
air inlet to lube air motor.
3. Set air pressure at 90 –175 psi.
1. Tighten oil fill plug.
2. Drain some oil from reservoir.
Sheet No. 4 of 4
Issue Date: Rev. G, 4-28-05
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