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 TM 9-1375-213-34&P
3. Make sure mechanism just
(k) If gear sector of an older
assembled works properly
machine is severely damaged,
by inserting handle and
replace it as follows:
twisting a few times.
Place a drop of oil into both
(o)
holes that armature shaft fits
NOTE
into (i.e., shaft hole in stator
and shaft hole in brush holder).
If machine has a C ring, it is necessary
to remove screw holding it and rotate
Slide armature (gear end first)
both C ring and hollow hex-head bolt
(p)
into stator so that shaft does
before headless straight pin may be
not o into its appointed hole,
driven out in procedure below.
but butts against surrounding
plate.
Assemble brushes to brush
1.
Push out or drive out head-
(q)
holder as follows:
less pin and remove sector
gear from cover.
Fit b r u s h e s t o their
1.
springs and insert into
2.
Reassemble new sector
recesses in brush holder.
gear to cover and secure
with headless straight pin.
2. Cut two 4-inch pieces of
Inspect headless pin for
fresh cellophane tape and
extreme wear or breakage.
temporarily secure each
Obtain a replacement for
brush into its recess with
use during reassembly if
tape end.
necessary.
NOTE
Use only fresh cellophane tape for tem-
NOTE
porarily securing brushes. Old cello-
phane tape, or other types of tape, may
Ensure that all parts are assembled in
leave a deposit. Use of tape makes
proper order and manner (figs. 4-2 and
assembly of brush holder, with its
4-3).
spring-loaded brushes, to stator quite
easy.
(r) Reassemble brush holder and
(1) Inspect gasket in peripheral
armature to stator as follows:
notch in cover and replace if
necessary.
1.
Place brush holder over
protruding end of arma-
(m) Reassemble intermediate gear
ture, inserting armature
set to stator.
shaft into shaft hole in
brush holder.
(n) Reassemble stator (and assem-
bled parts) to cover as follows:
2.
Pull tape out to release
brushes.
Make sure no
1. Push down on and rotate
tape remains on brushes.
sector gear one full turn
clockwise against tension
3.
Carefully rotate armature
of return spring until its
so that shaft on other end
flat side is parallel to
fits into its hole in stator
longer side of cover.
and then secure brush
screws
holder
with
2. While holding gear sector
removed in (0) 1. above
in position, fit stator (and
(two or four screws, depend-
assembled parts) carefully
ing on model of machine).
into cover and secure with
screws removed in (i) 1.
Make sure mechanism
above.
4.
works properly and arma-
ture does not bind.
4-29
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