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 TM 55-1905-222-14
5-23
REPAIR RAMP WINCH HYDRAULIC MOTOR (Continued).
o.
Install backup washer (16) in the outside groove
of the shaft end cover (6).
p.
Lubricate 'O' ring (14) and install it next to the
backup washer (16) so that it is on the side of
the backup washer nearest to the thrust plate
(18) end of the shaft end cover (6). Give the 'O'
ring and backup washer an additional coat of
grease.
q.
Install backup washer (15) in the inside groove
in the brake piston (12). Lubricate 'O' ring (13)
and install it next to the backup washer (15) so
that it s15 on the side as the backup washer
nearest to the large bore of the brake piston
(12). Give 'O' ring and backup washer an
additional coat of grease.
r.
Check that pin (17) is installed in the brake
piston (12) to the shaft and cover (6). Make
sure that backup washers (15 and 16) do not
extrude and get pinched between the mating
diameters of the brake piston (12) and the shaft
end cover (6).
s.
Place key (8) in keyway of motor shaft (5), then
press the larger gear (7) over the motor shaft
(5). Check that the gear bottoms against the
shaft shoulder.
t.
Place the shaft end cover (6) and the thrust
plate (18) up and install the motor shaft
assembly through the seal bushing (23). Take
care not to extrude backup washer (26).
u.
Lubricate 'O' ring (10) and install one on each
side of the gear housing (11). Give the 'O'
rings an additional coat of grease.
5-61
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