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Page Title:
Figure 35. Undercutting mica using alternate hand method. |
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 the final cut should not be
Minor
Positork Drive Assembly.
c.
more than 0.002-inch.
After
damage such as nicks, burs, etc, of the
armature
resurfacing,
check
positork drive maybe repaired with a file
against limits specified in re-
providing it does not destroy the effec-
pair and rebuild standards (par.
tiveness of the snap ring groove.
40) and replace it if it falls
below these limits.
d.
Bearing
Retainer.
Intermediate
Minor damage such as nicks, burs, etc, of
the intermediate bearing retainer may be
repaired with a fine mill file.
g.
Armature.
(1)
Resurfacing. Sharpen the lathe
cutting tool to the dimensions
given in figure 32.
Note.
For commutator turn-
ing, the lathe cutting tool must
be extremely sharp. After grind-
ing, hone the tool with a fine
hard stone to insure a smooth
cut during the turning opera-
tion.
Position the tool with respect
to the commutator as shown in
figure 33.
Resurface the com-
mutator at 800 rpm taking only
light cuts each time. No more
34. Undercutting mica
using
than 0.005-inch should be re-
a power-driven tool.
moved during any one cut and
Undercutting mica using alternate hand method.
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