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Fixture, pressure leakage - test |
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|  MIL-T-81778C(AS)
3.6.3.5 Dummy Load, Electrical DA-631( )/AWM-23(V) and DA-632( )/AWM-23(V).
The dummy loads shall provide loading for Power Supply WRAs PP-6773( )/AWG-9,
PP-6774( )/AWG-9, PP-7010( )/AWG-9 and PP-7042( )/AWG-9 during functional
test and fault isolation. The dummy loads shall provide high-dissipation
load resistors cooled by liquid coolant.
3.6.4 Stand, Mounting, Antenna MT-4445( )/AWM-23(V). The antenna mounting
stand shall serve as a holding fixture for the Antenna AS-2764( )/AWG-9 WRA
when mounted in Adapter, Handling, Antenna MX-9046( )/AWM-23(V).
3.6.5 Accessories - LFTS, The LFTS accessories shall include the following
items which are not permanently attached to the LFTS.
3,6.5.1 Extenders - LFTS. Extender cards and cables shall provide the
capability to extend modules from their respective WRAs or GSE assemblies.
3.6-.5.2 Fixture, pressure leakage - test. The pressure leakage test
fixture shall provide capability and pressure to test waveguides for leakage,
3.6.5.3 Fixture, receiver/refrigerator cryogenic-infrared. * The infrared
receiver/refrigerator cryogenic fixture shall serve as a holding fixture
for Receiver, Infrared R-1786( )/AWG-9.
3.6.5.4 Fixture, antenna servo. The antenna servo fixture shall serve as
a holding fixture for the servo electronic subassembly of Antenna AS-2764( )/
AWG-9.
3.6.5.5 Fixture, refrigerator test.* The refrigerator test fixture shall
provide test capability for the refrigerator subassembly pf the Receiver,
Infrared, R-1786( )/AWG-9.
3.6.5.6 Equipment, helium filling.* The helium filling equipment shall
provide the necessary controls to replenish the helium of 3.2.2.5 in the
refrigerator subassembly of Receiver, infrared R-1786( )/AWG-9. The helium
filling equipment shall include a fitting for recharging.
3.6.6 Elapsed time meter. An elapsed time meter conforming to MIL-M-7793
shall be provided. The meter shall be readily visible during operation of
the LFTS and shall be capable of registering at least 9,999 hours.
4.
QUALITY ASSURANCE PROVISIONS
4.2.1 Classifications. Applicable
Applicble
4.2.2 individual items.
*
Used with OJ-215( )/AWM-23(V) only.
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