MIL-DTL-45334E
4.5.5 Air cleaner tests.
4.5.5.1 Air flow test. The air cleaner shall be tested at the rated air flow of the applicable
compressor, at atmospheric conditions of 29.92 in. (76 cm) of mercury barometric pressure, and
temperature of 80°F (26.6°C).
4.5.5.2 Air flow restriction test. To determine conformance to 3.4.3.1, with a clean
unused air filter element installed in the air cleaner housing, the static pressure drop across the air
cleaner shall be determined, at the rated air flow of the applicable compressor.
4.5.5.3 Efficiency test. To determine conformance to 3.4.3.2, the fine test dust shall be
fed into the air cleaner at a concentration of 0.025 grams of dust per ft3 of air.
4.5.5.4 Dust capacity test. To determine conformance to 3.4.3.3, the course test dust
shall be fed into the air cleaner at a concentration of 0.025 grams of dust per ft3 of air.
4.5.6 Environmental tests.
4.5.6.1 Fungus resistance test. To determine conformance to 3.4.4.1, the compressor, air
cleaner, and governor shall be tested for fungus resistance as specified in method 508.4 of
MIL-STD-810, except the performance tests shall be conducted after 90 days only.
4.5.6.2 Corrosion resistance test. To determine conformance to 3.4.4.2, the compressor,
air cleaner, and governor shall be tested for resistance to corrosion in accordance with
MIL-STD-810, except the length of the test shall be 200 hours.
4.5.6.3 Vibration test. To determine conformance to 3.4.4.3, the compressor, air cleaner,
and governor shall be subjected to the method 514.4 vibration test of MIL-STD-810, except the
duration of vibration shall be 24 hours in each direction of each of the 3 major axes (total of
72 hours). The compressor in addition to vibration shall be operated at a speed of 1750 +50 rpm,
with the unloading valve open, and lubricating oil supplied at a pressure of 20 psig (138 kPa).
4.5.6.4 Shock test. To determine conformance to 3.4.4.4, the compressor and
accessories shall be subjected to shock test as specified in method 516.4 of MIL-STD-810.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified
in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control Point's
packaging activity within the Military Department or Defense Agency, or within the Military
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