TM 5-3895-373-34
E.
ASSEMBLE - Continued.
d.
Use petrolatum to lubricate seals (23 and 25),
expansion rings (21 and 22), and seal grooves in
rear cover (18) and front flange (20). In each
case, apply a thin, even film of pure, clean
petrolatum.
e.
Seat rounded sides of seals (23 and 25) in
bottom of mating seal grooves in rear cover (18)
and front flange (20). Seat central section of
seal first. Gently tamp down remaining sections
with forefinger.
Make
sure
that
expansion
ring
grooves in installed seals (23 and 25)
are facing up. Improper mating of
seals and expansion rings (21 and 22)
will result in auxiliary vibration pump
failure.
f.
Repeat
installation
method
in
step
e
for
expansion rings (21 and 22).
g.
Using clean, dry, lint-free cleaning cloth, press
seals (23 and 25) and expansion rings (21 and
22) firmly into expansion ring grooves.
h.
Apply thin, even film of clean petrolatum to
preformed packings (24). Install packings in
mating grooves on both sides of pump housing
(17).
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