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 TM 55-1905-222-14
5-23
REPAIR RAMP WINCH HYDRAULIC MOTOR (Continued).
h.
Place the spacer (22) in the center bore next to
the seal bushing (23) in the shaft end cover (6)
Press both bushings in until they seal on the
end of each bore. Be sure that all 'O' rings (24
and 25) are installed toward the gear side of the
end covers (3 and 6).
i.
Check that the outside bores are clean and
install needle bearings (28) so that they bottom
at the end of the bearing bores.
j.
Place a small amount of heavy grease into
the middle slots in the open face of each thrust
plate (18) and insert two medium pocket seals
(19) in each thrust plate (18).
k.
Place the thrust plate (18) with the pocket seal
slots towards the end cover (3) or (6) and install
over bearings.
I.
Check to see that the pocket seal (19) in the
center slots are still in place and tap the thrust
plate into position with a soft hammer until
approximately 1/32 inch clearance is left
between thrust plate (18) and end cover (3) or
(6).
m.
Insert a large pocket seal (20) into each of the
four center radial slots in the thrust plate (18).
insert a small pocket seal (21) into each of the
four outside slots in the thrust plate (18). Be
sure to push each seal all the way into the
slots so that the hidden end is always in contact
with the needle bearing race.
n.
Tap the assembled thrust plate (18) into position
against the face of the end cover (3) or (6).
Trim the exposed ends of the small pocket
seals (21) square and flush with thrust plate
(18).
5-60
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