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 TM 55-1905-222-14
6-5 REPAIR ALTERNATOR (Continued).
6
INSPECT REAR HOUSING.
Check for cracks due to improper
drive belt tightening procedure
Check for stripped threads and
broken webs. Check bearing bore
for scuff marks and replace as
necessary
7
INSPECT FRONT HOUSING.
Check for stripped
threads and
broken webs Check for wear in
mounting foot and in bearing bore.
Replace as necessary
TESTING
1
TEST STATOR USING A 120 VOLT AC
TEST LAMP.
a. Place test leads alternately between
the three connector leads (A&B,
A&C, B&C); test lamp should light
indicating continuity. Open winding
indicated if lamp falls to light
b
Place one test lead on the stator
lamination, place the other on each
of the three connector leads (A&D,
B&D, C&D); test lamp should not
light, indicating no grounds from
windings or lamination. Winding
short circuit to lamination. Is
indicated if lamp should light.
c
Get a new stator if it fails any of
the above tests.
2
TEST NEGATIVE BRUSH LEAD.
Test negative brush lead for ground;
test should show no circuit from lead
to housing.
6-13
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