5
Problem
Possible Cause
Solution
Pump fails to deliver oil.
Pump noise.
Oil leakage
Low fluid livel
Lack of air pressure
Pump has lost its prime.
Low fluid level.
Lack of air pressure.
Air motor section requires
lubrication.
Worn or damaged parts.
Loose connections.
Reservoir bladder torn.
Check the oil level and add oil according to
instructions on page 2.
Check air filter and replace if necessary (see page 4).
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 3.
Check the oil level and add oil according to
instructions on page 2.
Check air filter and replace if necessary (see page 3).
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.
Contact your local Authorized Enerpac Service
Center for repairs.
Check that all connections are tight.
Have reservoir bladder replaced by a qualified
hydraulic technician.
