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Page Title:
Azimuth Knob 5-mil Click Lead Mechanism Inspection - continued |
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 TM 9-1240-375-34&P
0100 00
4
5
3
1 fc 6 7 9
3.
Set azimuth knob (3) to DIRECT. Turn clockwise slowly until detent engages. Be careful not to pass
beyond detent engagement point.
4.
Note location of vertical reticle line (4) relative to center of collimator reticle target.
5.
Record reading on deflection counter (5) with detent engaged.
6.
Slowly turn azimuth knob (3) clockwise until detent engages again.
7.
Record reading on deflection counter (5). Compare with reading recorded in step 5. Readings must
record increase of 5.0 0.5 mils.
8.
Check that vertical reticle line (4) has moved 5 mils from setting in step 4.
6
A Z IM U T H -M IL S
1 fc 6 8 0
9.
Repeat steps 3 through 8, using settings of 4800, 0000, and 1600 mils on azimuth counter (6).
0100 00-25
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