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Diaphragm adjustment, elevation. |
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|  MIL-M-63330 (AR)
4.6.13.3 Wedge deviation, line of sight. Position the ALIGN
lever in its maximum clockwise position and the ERROR lever in its
maximum counterclockwise position. Energize the chopper motor and
checksight lamp. While viewing the checksight image beam through
the telescope positioned at the missile tracker cavity, rotate the
ERROR lever to its maximum clockwise position. The checksight beam
image that is superimposed on the telescope reticle shall immediately
deviate into the upper right quadrant of the telescope reticle. The
amount of its deviation, from the position established in 4.6.13.2
shall not be less than, or greater than the azimuth and elevation
values specified in 3.13.1, as measured with the telescope reticle.
4.6,13.4 Wedge deviation, repeatability. Perform this test in
sequence to the test In 4.6.13.3, while continuing to view the
checksight image beam through the telescope at the missile tracker
cavity. Rotate the ERROR lever to its maximum counterclockwise
position, then rotate the lever to its maximum clockwise position a
minimum of 3 times. Each time (3) the ERROR Lever is in its maximum
clockwise position, the checksight image beam shall deviate from
the position established in 4.6.13.2 into the upper right quadrant
within values specified in 3.13.2, as measured with the telescope
reticle.
NOTE: Application of excessive force to the ERROR lever shall be
avoided during the rotations of the lever so as to avoid damage to
the lever and wedge assemblies.
4.6.13.5 Diaphragm adjustment, elevation. Perform this test
with the ALIGN lever in its maximum clockwise position and the ERROR
lever in its maximum counterclockwise position-. Energize the
chopper motor and checksight lamp. While viewing through the
telescope positioned at the missile tracker cavity, rotate the EL
boresight knob to its maximum clockwise position. Record the
position (mils) of the checksight image beam, as measured with the
telescope reticle. Rotate EL boresight knob to its maximum
counterclockwise position. Again record the position (mils) of the
checksight beam image. The recorded amount of elevation and
depression adjustment of the checksight image beam, from the
position established in 4.6.13.2, shall not be less than, or greater
than the values specified in 3.15.1. The checksight iamge beam
shall move in a vertical plane as specified in 3.15.1, as indicated
by the vertical reticle line of the telescope.
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