L4442
.
15
8.0 TROUBLESHOOTING
Fault
Possible Cause
Corrective Action
Wrench pressure will not build
Piston seal and/or end plug seal
leaking
Replace any defective o-rings.
Coupler is defective
Replace any defective couplers.
Cylinder / Tool Leaks
Blown o-ring in cylinder
Replace seal kit.
Defective piston rod seal
Return to Enerpac for repair.
Tool operates backwards
Couplings/ hose connections
reversed
Check couplings and correct.
Ratchet returns with retract stroke
Broken or otherwise inoperable
drive segment
Replace drive segment and/or
spring. Return to Enerpac.
Ratchet will not take successive
strokes
Broken or otherwise inoperative
drive segment or spring
Replace drive segment and/or
spring. Return to Enerpac.
Cylinder not retracting completely
Remove tool from nut and cycle
freely for several strokes.
Allow adequate time for cylinder to
retract fully.
If problem persists, check pawls.
Linkage between piston rod and
drive plate is broken
Replace parts as necessary - return
to Enerpac.
Cylinder will not retract
Voltage to electric pump is too low
to line drop or inadequate amperage
is available
Get shorter extension cord. If shop
power is adequate, draw power
from welding machine or cal. rod
transformer.
Linkage between piston rod and
drive arms are broken
Replace part as necessary
Tool locks on to nut
Drive segment is loaded when the
tool is maxed out in torque
Pressure advance on remote and
build pressure - continue to press
down on remote while pulling back
on one of the accuracy assurance
levers - release remote while
continuing to hold back on levers.
Tool is operating backwards
Push advance button down - tool
should immediately fall free.
Tool is wedged under a fixed object Remove shroud from around
ratchet. Pry the drive segment out
of the ratchet and at the same time
pull back on the accuracy assurance
levers. Tool should swing free or
burn away the socket or obstruction.
Tool operates backwards
Multiple hoses in even numbers
Configure hoses in odd multiples
only.
Refer to the Pump Instruction Sheet for troubleshooting required for the pump unit.
