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Page Title:
Pitch Level and Plumb Travel Inspection - continued |
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 TM 9-1240-375-34&P
0073 00
TEST AND INSPECTION - Continued
Pitch Level and Plumb Travel Inspection - Continued
8
7
1
5
1 fc 4 6 9
3.
Set fire control quadrant (7) to 178 mils and place on adapter plate (1).
4.
Turn elevation knob (5) until level bubble (8) in fire control quadrant (7) centers. If level bubble does
not center, M171/M171A1 mount is defective.
5.
Reverse fire control quadrant (7).
6.
Turn elevation knob (5) until level bubble (8) in fire control quadrant (7) centers. If level bubble does
not center, M171/M171A1 mount is defective.
9
11
2
10
1 fc 4 7 0
0073 00-30
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