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 TM 9-1240-375-34&P
0073 00
TEST AND INSPECTION - Continued
Cant Backlash Inspection - Continued
NOTE
When centering cross level vial and elevation level vial, final movement of cross level
knob and elevation knob should be a clockwise motion.
5
3
4
6
1 fc 4 5 7
2.
Center bubble in cross level vial (3) and bubble in elevation level vial (4) using cross level knob (5) and
elevation knob (6).
8
9
7
10
1
1 fc 4 5 8
3.
Set fire control quadrant (7) to zero, and place on adapter plate (1).
4.
Check that level bubble (8) in fire control quadrant (7) is centered.
5.
If level bubble (8) in fire control quadrant (7) is not centered, use micrometer knob (9) to center.
6.
Record reading of micrometer (10).
0073 00-24
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