FRAME 2 - TM-9-2920-225-340045

TM 9-2920-225-34

FRAME 2

Using multimeter, check rotor (1) for grounds by touching on test probe of

multimeter to rotor shaft (2) and other test probe to sliprings (3). Ohm-

meter must read over 10,000 ohms. If it does not, generator is nonrepairable.

Using multimeter, check sliprings (3) resistance. Resistance must be between

8.8 and 10.2 at 77F. If resistance is not within given limits, generator is

non repairable.

Check roller bearing (4) and drive end bearing (5) for serviceability. Refer

to TM 9-214. If bearings are damaged, generator is nonrepairable.

Check that woodruff key (6) and key seat (7) are not damaged or worn. If

woodruff key is damaged, get a new one. If key seat is damaged, generator

is nonrepairable.

Check that seal (8) is not worn or damaged. If seal is damaged, generator

is nonrepairable.

GO TO FRAME 3

TA103529

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