Warranty Information
Swagelok products are backed by The
Swagelok Limited Lifetime Warranty. For a
copy, visit swagelok.com or contact your
authorized Swagelok representative.
Swagelok—TM Swagelok Company
© 2018 Swagelok Company
Printed in U.S.A
October 2018, Rev-
MS-CRD-0250
Translations available on
www.swagelok.com
Troubleshooting
Symptom
Cause
Remedy
Tubing is difficult to remove from the
MHSU.
There has been normal tube
expansion.
Rock the tubing gently back and forth.
CAUTION
Do not rotate the tubing, or
system leakage may result.
Tube wall thickness may be below the
recommended level.
Refer to the tubing listed in the
Medium- and High-Pressure Fittings,
Tubing, Valves, and Accessories
catalog, MS-02-472, for FK fittings.
The indicator knob fails to release.
Oil may need to be added.
Place the unit on a horizontal surface.
Check the oil level, and fill to the
lowest thread if necessary. Use 10W,
AW-46 grade hydraulic oil or equivalent
with an antifoaming additive.
If the oil reservoir is full and symptom
persists, return the unit to your
authorized Swagelok representative.
The die head piston does not return
fully after swaging.
The die head piston may be damaged.
Return the unit to your authorized
Swagelok representative.
The pump is failing to build pressure.
The oil level is incorrect.
Too much or too little oil prevents the
pump from working properly.
Add or remove oil as necessary with
the unit on a horizontal surface. Use
10W, AW-46 grade hydraulic oil or
equivalent with an antifoaming additive.
There is oil around the pump.
There has been normal wear to the
pump components.
A small amount of leakage is
acceptable. If oil is continuously
dripping or there is a puddle, return
the unit to your authorized Swagelok
representative.
Proper Oil Level
Oil level
up to
lowest
thread
