TM 5-3895-373-34
E.
ASSEMBLE.
1.
INSTALL BACKPLATE ASSEMBLY VALVES,
SPRINGS, AND PLUGS.
Thread locking compound can cause
eye
damage.
Wear
safety
goggles/glasses when using. Avoid
contact with eyes. If compound
contacts eyes, flush eyes with water
and get immediate medical attention.
a.
If valve seat (58) was removed, apply thread
locking compound to replacement valve seat and
use long nose pliers to screw valve seat into
backplate assembly (23).
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.
b.
Lubricate plugs (44 through 48), o-ring (50), and
preformed packings (49, 51 through 53, and 55)
with clean hydraulic oil.
Be careful not to damage preformed
packings and o-rings when sliding
over threads. Sharp edges of threads
can
cut
or
damage
preformed
packings and o-rings. Damaged
packings
and
o-rings
will
cause
leakage and affect performance.
c.
Carefully install o-ring (50) and preformed
packings (49 and 51 through 53) on plugs (44
through 48). Avoid cutting preformed packings
and o-ring on screw threads.
d.
Install preformed packings (55) on valve sleeve
(54).
Hydraulic fitting sealant can cause
eye damage or skin irritation. Wash
after skin contact. Wear safety
goggles/glasses when using. Avoid
contact with eyes or skin. If sealant
contacts eyes, flush eyes with water
and get immediate medical attention.
e.
Clean threads of plugs (44 through 48) with
cleaning cloth. Apply hydraulic fitting sealant to
threads of plugs.
f.
Install valve sleeve (54) and plug (47). Tighten
plug to 38 lb-ft (51 N.m).
g.
Install poppet (57), spring (56), and plug (48).
Tighten plug to 11 lb-ft (15 N.m).
h.
Install and tighten plugs (44 and 46).
i.
Install plug (45) and tighten to 23 lb-ft (31 N.m).
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