TROUBLESHOOTING
The following information is intended as an aid in determining if a problem exists. DO
NOT disassemble the pump. For repair service, contact the Authorized Enerpac Service
Center in your area.
Problem Possible Cause Solution
Pump fails to deliver oil. Low fluid level.
Lack of air pressure.
Pump has lost its prime.
Check the oil level and add oil according to instructions on
page 2.
Check air filter and replace if necessary (see page 5).
Check air line and filter-regulator for obstructions or leaks.
Check for damage to air motor.
Prime the pump according to the instructions on page 4.
Pump noise. Low fluid level.
Lack of air pressure.
Air motor section requires
lubrication.
Check the oil level and add oil according to instructions on
page 2.
Check air filter and replace if necessary (see page 5).
Check air line and filter-regulator for obstructions or leaks.
Check for damage to air motor.
Place a few drops of oil in the air inlet port and cycle the
motor several times to distribute the oil.
Oil leakage. Worn or damaged parts.
Loose connections.
Reservoir bladder torn.
Contact your local Authorized Enerpac Service Center for
repairs.
Check that all connections are tight.
Have reservoir bladder replaced by a qualified hydraulic
technician.
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