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|  MIL-M-63333(AR)
4.6.8 Insertion and removal. The special testing equipment conforming to
4.5.2. 3.3 shall be utilized for this test. Position the mount on the holding
device. Repeated installation of the head and body devices into the mount
shall be accomplished a minimum of 3 times. Observe for any evidence of
binding or interference at each installation and removal of the head and body
device. The mount shall conform to the requirements of 3.7.1.
4.6.9 Operability. The special testing equipment conforming to 4.5.2.3.3
shall be utilized for the following tests.
4.6.9.1 Periscope, locking lever. Install the body assembly device in
the mount, then remove the body device. Perform this test a minimum of 3
times. The Locking Lever 8589900 shall conform to the requirements of 3.8.1.1.
4.6.9.2 Shield actuating handle. Manually operate the Handle 10542148
through its full range of travel. During this excursion, the handle and
shield shall conform to the requirements specified in 3.8.1.2.
4.6.9.3 Handle locking latch. Perform this test concurrently with the
test in 4.6.9.2. The handle locking latch shall conform to the requirements
of 3.8.1.3.
4.6.10 Circuitry. A check of the mount's circuits shall be made using
standard measuring equipment to determine conformance with the requirements of
3.9.
interchangeability gage shall be capable of being firmly secured and
subsequently removed from the mount assembly.
4.6.11.2 Interchangeability- pressure retention. This test shall be
performed utilizing pressure test fixtures conforming to Drawings F11738180,
F11738181, F11738182 and F11738183 (see 2.1), together with special testing
equipment to perform the sealing test. The special testing equipment to test
the sealing of the mount when a head and body are assembled to it shall
conform to the internal pressure test requirements of Sheet 1 of Drawing
F8565556, Pressure Tester - Two Station, except that the regulator shall
conform to the requirements for use of dry air. Assemble the Mount Assembly
11834833 to the Pressure Fixtures 11738181 and 11738183. Secure the poppet
valve in the head fixture in a closed position and pressurize the assemblies
through the valve in the body fixture with clean dry air to the value
specified in 3.10.2. Retain the applied pressure in the assemblies for a
minimum of 2 hours. Upon completion of test, open the poppet value. Repeat
the above with Mount 11834833 assembled to Pressure Fixtures 11738180 and
11738182. The mount shall conform to the requirements of 3.10.2.
12
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