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 TM 9-2920-225-34
FRAME 3
I
NOTE
Runout of two sliprings (1) cannot be more than
0.001 inch.
Measure slipring (1) runout using a dial indicator (2) and V-blocks (3) as
1.
shown in view A. Set dial indicator on one slipring, turn rotor (4) and note
reading on dial indicator as rotor turns.
Do step 1 again for other slipring ( 1).
2.
Check rotor (4) shaft for straightness using a dial indicator (2) as shown in
3.
view B. Set the dial indicator on rotor shaft, turn rotor, and note reading
on dial indicator.
NOTE
If reading on dial indicator (2) varies as rotor (4)
turns, shaft is bent and generator is nonrepairable.
END OF TASK
VIEW B
VIEW A
TA103554
2-54
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