6
6.3 Inspection, Maintenance and Storage
Maintenance is required when wear or damage is noticed.
Periodically inspect all components to detect any problem
requiring maintenance or service.
• Periodically check the puller for loose, bent, worn or
damaged components. Tighten or replace any such
components immediately.
• Keep the puller free of dust and dirt.
• Keep the puller in good condition. Clean and lubricate
the puller’s adjusting rod and jaws frequently, from top of
threaded area to tip, to ensure good operation and long life.
• Store the puller in a clean, dry and secure location.
• If the puller requires repairs, refer to the Enerpac website for
the repair parts sheet applicable to your puller model.
NOTICE
The puller must only be serviced by a qualified
technician. For repair service, contact the Enerpac Authorized
Service Center in your area.
7.0 TROUBLESHOOTING
Refer to the troubleshooting guide when diagnosing puller
operational problems. Please note that the troubleshooting
guide is not all-inclusive, and should be considered only
as an aid to help diagnose the most commonly anticipated
problems.
For repair service, contact your nearest Enerpac Authorized
Service Center.
Troubleshooting Guide, SGM-Series Sync Grip Mechanical Pullers
Symptom
Possible Cause
Solution
1. Jaws do not move
freely or are difficult
to move.
Self-centering mechanism corroded or seized.
Inspect self-centering mechanism. If corroded or
seized, apply penetrating oil. Dismantle and clean
mechanism as required.
2. One jaw moves
independently.
Self-centering strap damaged or broken.
Replace self-centering strap.
Replace complete self-centering mechanism if
needed.
3. Adjusting rod will
not turn or requires
excessive effort to
turn.
a. Corroded threads on adjusting rod or puller
body.
If parts are seized, apply penetrating oil.
Inspect threads on adjusting rod and cylinder
body. Dismantle and clean components as
required.
b. Worn or damaged threads.
Replace adjusting rod and/or puller body as
required.
Do not use puller if threads are worn or damaged.
c. Adjusting rod is bent.
Replace adjusting rod.
Do not use puller if adjusting rod is bent.
