TM 5-3895-373-34
2.52
REPAIR TOW POINT CYLINDER - Continued.
D.
ASSEMBLE - Continued.
2.
INSTALL
PREFORMED
PACKINGS
AND
SEALS.
WARNING
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 seals and preformed packings with
clean hydraulic oil.
CAUTION
New seals and packings are distorted
during installation. Use care during
installation to prevent damage to
seals
and
preformed
packings.
Bypass
leakage
can
result
from
careless packing or seal installation.
b.
Pinch sides of compression cup (19) together to
form a C-shape. Insert one side of compression
cup in mating seal groove of cylinder head (3)
and let opposite side snap into place.
c.
Use same method in step b to install ring wiper
(18) into cylinder head (3).
d.
Install packing retainer (17) and preformed
packing (16) in mating groove of cylinder head
(3).
e.
Install packing retainer (15) and preformed
packing (14) on cylinder cap (5).
f.
Install packing retainers (12) on piston (8).
g.
Install preformed packing (13) between installed
packing retainers (12). Gently rotate installed
packing around piston (8) to ensure packing
regains original form.
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