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Page Title:
Disengagement of boresight knob locks |
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|  MIL-P-48450A(MU)
4.6.2.2 Diopter movement - Daylight and Passive.- Standard torque
measuring equipment capable of measuring the torque values specified in
3.6.10.2 shall be utilized for this test. An appropriate adapter, to accom-
modate the diopter knob shall be used with the torque measuring equipment.
Torque shall be measured while rotating the diopter movement through the
range specified in 3.6.10.2. The running torque required to rotate the di-
opter knob shall conform to the applicable requirements of 3.6.10.2 for the
temperatures indicated.
4.6.2.3 Focusing mechanism - Passive.- Standard torque measuring
equipment capable of measuring the torque values specified in 3.6.10.3 shall
be utilized for this test. An appropriate adapter, to accommodate Ring 11733436
shall be used with the torque measuring equipment. Torque shall be measured
while rotating the ring through the range specified in 3.6.10.3 The running
torque required to rotate Ring 11733436 shall conform to the applicable re-
quirements of 3.6.10.3 for the temperatures indicated.
4.6.2.4 Disengagement of boresight knob locks - Passive.- Standard
measuring equipment capable of measuring the force values specified in
3.6.10.4 shall be utilized for this test. The force required to disengage
each boresight knob from the lock position shall conform to the applicable
requirements of 3.6.10.4 for the temperatures indicated.
4.6.2.5 Rotation of boresight knobs - Passive.- Standard torque
measuring equipment capable of measuring the torque values specified in
3.6.10.5 shall be utilized for this test. An appropriate adapter, to ac-
commodate the boresight knobs shall be used with the torque measuring
equipment. Torque shall be measured while rotating each boresight knob
through the range specified in 3.6.10.5. The running torque required to
rotate each boresight knob shall conform to the applicable requirements of
3.6.10.5 for the temperature indicated.
4.6.2.6 Shutter lever and on-off switch - Passive.- Standard torque
measuring equipment capable of measuring the torque values specified in
3.6.10.6 shall be utilized for this test. The torque required to rotate
the shutter lever from the off to on position and then back to the off
position shall conform to the applicable requirements of 3.6.10.6 for the
temperatures indicated.
4.6.2.7 Gain adjust and reticle brightness control - Passive.- Manu-
ally operate the Knob MS 91528-OE1B. The knob shall meet the requirements
specified in 3.6.10.7, at the temperatures indicated in 3.4.2 in addition
o
to the standard ambient temperature (+60 to +90 F).
4.6.2.8 Focusing lock - Daylight.- A torque wrench capable of apply-
ing the specified torque values in 3.6.10.8, together with a standard type
driver bit that properly fits the screw slot of the locking screw and ec-
centric, shall be utilized for performing this test. With the specified
torque applied to the locking screw and while observing the eccentric,
apply, in a clockwise direction, the specified torque to the eccentric.
Then, while still observing the eccentric, apply, in a counterclockwise
direction, the specified torque to the eccentric. To conform to the re-
quirements of 3.6.10.8, there shall be no rotation of the eccentric when
observed during each torque application.
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