TM 5-3895-373-34
2.72
REPAIR SCREED EXTENSION CYLINDER - Continued.
E.
ASSEMBLE - Continued.
e.
Allow one hour for seals and o-rings to
conform to shape before installing cylinder
head onto piston rod.
2.
INSTALL SEAL AND PACKING RETAINERS
ONTO PISTON.
Hydraulic
oil
can
be
moderately
flammable and can be an irritant to
the
skin,
eyes,
and
respiratory
system. Avoid prolonged exposure.
Eye protection and rubber gloves
must be worn when working with
hydraulic oil.
a.
Lubricate seal and packing retainers with
clean hydraulic oil.
New seals and packings are distorted
during installation. Use care during
installation to prevent damage to
seals, preformed packings, and seal
grooves. Bypass leakage can result
from poor installation.
b.
Install seal (9) on piston (5). Center the
seal in groove to allow for packing retainers
on each side.
c.
Install packing retainers (8) on each side of
seal (9) in groove.
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