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|  MIL-D-63123B(AR)
4.4.3 Testinq
4.4.3.1 Functioning.
Each dispenser assembly after compliance
with 4.5.7 shall be subjected to this test. The test shall be
performed as specified in 4.5.1 using equipment in accordance with
4.4.4. The dispenser excluding those conditioned at high or low
temperature, shall be conditioned for four (4) hours minimum at 25
5C (Ambient). If any unit fails to comply with the requirements
of 3.3 it shall be classified defective and removed from the lot.
4.4.3.2 High temperature. Each dispenser assembly submitted
for first article shall be subjected to functioning at high
temperature. The test shall be performed after Humidity testing
(see 4.4.3.6) as specified in 4.5.2 using equipment in accordance
with 4.4.4. If any unit fails to comply with the requirements of
3.4.4, the first article sample shall be rejected.
4.4.3.3 Low temperature. Each dispenser assembly submitted for
first article shall be subjected to functioning at low temperature.
The test shall be performed as specified in 4.5.3 using equipment in
accordance with 4.4.4. If any unit fails to comply with the
requirements of 3.4.5, the first article sample shall be rejected.
4.4.3.4 Helicopter vibration. Each dispenser assembly
submitted for first artlcle testing shall be subjected to this
test. The test shall be performed as specified in 4.5.4 using
equipment in accordance with 4.4.4. If any unit fails to comply
with the requirements of 3.4.1 the first article sample shall be
rejected.
4.4.3.5 Transportation vibration. Each dispenser assembly
submitted for first article testing shall be subjected to this
test. The test shall be performed as specified in 4.5.5 using
equipment in accordance with 4.4.4. If any unit fails to comply
with the requirements of 3.4.2 the first article sample shall be
rejected.
4.4.3.6 Humidity. Each dispenser assembly submitted for first
article testing shall be subjected to this test. The test shall be
performed as specified in 4.5.6 using equipment in accordance with
4.4.4. If any unit fails to comply with the requirements of 3.4.3
the first article sample shall be rejected. Following this test,
the dispenser assembly shall be subjected to functioning at high and
low temperature.
4.4.3.7 Soldering. Each dispenser assembly shall be inspected
for soldering in accordance with 3.5. If any wiring or printed
circuit card assembly fails to comply with the requirements of 3.5,
the unit shall be classified defective and removed from the lot.
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