TM 5-3895-373-34
2.72
REPAIR SCREED EXTENSION CYLINDER - Continued. V
E.
ASSEMBLE - Continued.
4.
INSERT PISTON ROD AND CYLINDER HEAD
INTO SCREED EXTENSION CYLINDER.
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.
Apply clean hydraulic oil to cylinder head (1)
and outside surfaces of o-ring (10) and
packing retainer (11).
b.
Remove lint-free cloth from end of cylinder
tube (4). Ensure no foreign material is
present in cylinder tube or on piston rod (3).
c.
Dip entire piston rod (3) assembly in clean
hydraulic oil.
Inside edges of cylinder tube are
sharp. Ensure o-ring and packing
retainer are not cut by sharp edges in
cylinder
tube
opening.
Bypass
leakage can result from damaged o-
ring and packing retainer.
d.
Slide piston rod (3) into cylinder tube (4).
Ensure packing retainer (11) does not
extrude into milled opening.
e.
Seat cylinder head (1) flush with cylinder
tube (4).
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