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 TM 55-1905-221-14-2
5-13.2.
HYDRAULIC STARTING MOTOR (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSPECTION (Cont)
b.
Drive Assembly (5). Examine
pinion gear to be sure that
the teeth are not worn excessively
or chipped from interference
with ring gear. Check to insure
that the compressing spring
is not damaged or broken.
c.
Port Plate Assembly (7). The
port plate face, where cylinder
rides, must be smooth and free
of scoring. Also check the
bearing (29).
d.
Motor Barrel (10). Examine the
potted face of the cylinder for
scratching or scoring. Slight
scuff marks can be removed by
lapping on a surface plate.
The bores of the cylinder
should be smooth and free
of scoring.
e.
Pistons (11). The diameter
of the pistons (11) should
be smooth and free of
scoring. The closed end
of the pistons may show
brinnelling where they
contact the thrust bearing
plate (20), but no burrs or
flat spots are permissible.
f.
Shaft (6). Check the ends
of the shaft for wear or
scoring. The splines should
be smooth and free of nicks.
Check bearing (18).
5-218
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