TM 5-1940-277-34
STARTER MOTOR REPAIR INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
12. Drive end
Drive end
a.
Measure
Use micrometer
shield (1)
shield bearing
internal
calipers, inside.
diameter:
tolerance
1.127 -0
+0.0007 in.
b.
Replace with
new drive end
shield assembly
if bearing worn.
13. Pinion (28)
Pinion (28)
a.
Replace if
Make sure new
teeth badly
pinion has same
worn or
number teeth as
chipped.
old pinion.
b.
Check that
pinion slides
freely on
armature shaft.
c.
If necessary
Use fine lapping
for fit,
paste.
lightly lap
the pinion
and shaft.
d.
Remove all
Use a bottle
traces of
brush to ensure
lapping
absolute cleanli-
paste.
ness.
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