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 TM 9-1290-335-34&P
5-3.
BACKLASH ADJUSTMENT (CONT)
FRAME 3
Step
Procedure
Turn drive gear (1) counterclockwise until micrometer pointer (2) points at 50 on
1.
gunner's aid dial (3).
2.
Turn drive gear (1) clockwise until scribe marks are lined up.
3.
Check that micrometer pointer (2) is pointing between "0" and midpoint to first marking
on gunner's aid dial (3).
4.
If pointer is not pointing correctly, loosen setscrew (4) using Allen wrench. Using
screwdriver, turn stud (5) fully clockwise, then turn stud (5) counterclockwise 1/8 turn.
Repeat steps 1 thru 3 until correct response is seen. Tighten setscrew (4).
END OF TASK
Vol II
Para 5-3 Cont
5-4
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