Enerpac S-Series - Manual (Page 14)

5.3 Trouble shooting
Symptom Cause Remedy
Cylinder does not advance or retract Quick-connect coupling Replace the coupling
is damaged
Quick connect- coupling is
Reconnect the hoses
not connected and couplings securely
Dirt in the direction control valve Disassemble the unit and
on the pumping unit
clean the valve
Cylinder does not build up pressure Piston seal leaks Replace the seals
Pump does not build up pressure Adjust the pressure
Pump is defective
Refer to the pump manual
Cylinder leaks Seal failure Replace the cylinder seals
Cylinder operates backwards Connections are reversed Reconnect the hoses
Ratchet returns on retract stroke Broken drive shoe Replace the drive shoe
Ratchet does not take Defective drive shoe Replace the drive shoe
successive strokes Lubricant on the ratchet Disassemble the head and
and/or drive shoe splines remove the lubricant
from splines
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ENGLISH