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Page Title:
Azimuth Knob 5-mil Click Lead Mechanism Inspection |
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 TM 9-1240-375-34&P
0100 00
TEST AND INSPECTION - Continued
Azimuth Mechanism Lift Inspection - Continued
3.
Turn azimuth knob (3) clockwise and then counterclockwise.
4.
Observe horizontal reticle line. Vertical displacement of the horizontal reticle line must not be more
than 0.5 mil.
4
1 fc 6 7 7
5.
Repeat steps 2, 3, and 4 with settings of 4800, 0000, and 1600 mils on azimuth counter (4).
Azimuth Knob 5-mil Click Lead Mechanism Inspection
1
2
1 fc 6 7 8
1.
Mount M137/M137A2/M137A3 telescope (1) on azimuth test fixture (2). Refer to Mounting Telescope
to Azimuth Test Fixture.
2.
Verify boresight. Refer to Boresight Retention Inspection.
0100 00-24
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