TM 5-3895-373-34
E.
ASSEMBLE Continued.
h.
Lubricate o-ring (31) and plain seal (30) with
petrolatum.
i.
Turn concave side of plain seal (30) down.
Install seal, concave side down, in upper packing
groove of brake housing (23).
j.
Install o-ring (31) underneath installed plain seal
(30) in upper packing groove of brake housing
(23). Coat exposed surfaces of installed o-ring
and seal with petrolatum.
k.
Install and tap cylindrical piston (29) down
squarely until fully seated inside brake housing
(23) and installed ring spacer. Be careful not to
extrude o-rings (31 and 32) or plain seals (30
and 33).
l.
Line up double-tooth gaps in spline teeth of
installed sintered disc brake shoes (37). Use
straightedge to align spline teeth straight up and
down.
m.
Insert shouldered shaft (27) into installed steel
disc brakes (36) and sintered disc brake shoes
(37). Work shaft downward until seated. When
seated, retaining ring groove can be seen at
bottom of brake housing (23).
Use care when installing retaining rings.
Retaining rings are under spring tension
and can act as projectiles when released
and could cause severe eye injury.
n.
Install second thrust bearing (26) and retaining
ring (25) on leading end of shouldered shaft (27).
Verify that shaft turns freely.
o.
Using hydraulic press frame and input bearing
driver, press outer race of bearing (42) to seat in
mechanical drive housing (18). Using snap ring
pliers, install retaining ring (41).
p.
Insert springs (19) into every third bore hole of
cylindrical piston (29). Installed springs must be
spaced evenly.
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