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Page Title:
Setting Up and Adjusting the Optical Equipment Test Fixture and Adapter |
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 TM 9-1240-375-34&P
0057 00
2.
Place plate-mounted level (2) on block (3), perpendicular to axis of rotation.
3.
Cross-level the optical equipment test fixture (1).
4
5
1 fc 2 3 8
4.
Set cant vernier scale (4) and elevation vernier scale (5) to zero.
7
8
9
6
1 fc 2 3 9
NOTE
Ensure precision ground surfaces are free of nicks and burrs.
When installing mounting bracket (6), ensure precision ground surface (7) is parallel
to top of block within 0.1 mil.
5.
Install mounting bracket (6) on end of cross-leveling shaft (8).
6.
Lightly tighten six setscrews (9).
0057 00-3
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