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TM 9-1240-375-34&P
0073 00
TEST AND INSPECTION - Continued
Mounting the M171/M171A1 Mount on Cross-Leveling Fixture - Continued
NOTE
If new elevation or cross level vials were installed, do not perform steps 8 and 9.
Instead, proceed to step 10.
15
14
1 fc 4 3 6
8.
Turn elevation knob (14) until bubble in elevation level vial (15) centers.
16
17
1 fc 4 3 7
9.
Turn cross level knob (16) until bubble in cross level vial (17) centers.
0073 00-14
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