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 TM 9-2920-225-34
Check that end bell (1) and bearing retainer (2) have no cracks, damage or
1.
warping. If damage is found, generator is nonrepairable.
Check that drive end bearing (3) is not damaged. Refer to TM 9-214.
2.
Check that screws (4) are not bent or broken and that they have no damaged
3.
threads. If screws are damaged, get new ones.
Using multimeter, check that rotor (5) has no grounds. Touch one test
4.
probe to rotor shaft (6) and touch other test probe to one slipring (7)
and check that ohmmeter reading is over 10, 000 ohms. If readings is not
over 10,000 ohms, get a new generator.
Do step 4 again for other slipring (7).
5*
Using multimeter, check resistance of two sliprings (7). Touch ohmmeter
6.
test probes to two sliprings at same time and check that resistance is be-
tween 7.0 and 7.8 ohms. If resistance is not within given limits, generator
is nonrepairable.
GO
TO FRAME 3
TA
103588
2-89
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