TM 9-1240-400-34&P
SETTING UP AND ADJUSTING CROSS-LEVELING FIXTURE
1
Secure cross-leveling fixture (1) on a solid stand
bolted to the floor.
2
Place precision level (2) on square shaft (3),
perpendicular to axis of rotation, and center bubble.
3
Place precision level (2) on square shaft (3), parallel
to axis of rotation.
4
Set cant vernier scale (4) and elevation vernier scale
(5) to "0".
5
Install test fixture adapter (6) on cross-leveling shaft
end (7). Make sure adapter keys (8) are parallel to
top of square shaft (3) within 0.1 mil.
6
Tighten setscrew (9) lightly.
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