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STARTER MOTOR REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_235
STARTER MOTOR REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_237
TM-5-1940-277-34 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK1 (1940-01-105-5728) Manual
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TM 5-1940-277-34
STARTER MOTOR REPAIR INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
b.
Remove burrs
Use honing stone.
on helices if
necessary.
c.
Clean helices
Use parafin.
d.
Smear helices
with small
quantity of
grease.
e.
Replace if
helices chipped.
17. Yoke (21)
Field windings
a.
Test insula-
Use
multimeter
.
(72)
tion between
poles (leads)
(73) and yoke
(21). Min.
resistance 1
megohm.
b.
Try new sta-
Resistance
of
tor if shorts
coils is very low
in coils are
making it hard to
suspected.
test for shorts.
c.
Replace stator
if shorts are
detected.
18. Commutator
Brush gear
a.
Test insula-
Use
multimeter
.
end shield (5)
tion between
brush holders
(74) and frame
of commutator
end shield (5).
Min.
resistance
1 megohm.
2-213
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