MIL-DTL62062E
3.6.1 High temperature. The blower shall show no evidence of thrown solder, thrown
impregnating compound, damaged insulation, raised armature windings, or raised commutator
bars or other damage after storage and subsequent operation at 71 + 3C temperature for a
24 hour period (see 4.4.7.1).
3.6.2 Low temperature. The blower shall show no evidence of thrown solder, thrown
impregnating compound, damaged insulation, raised armature windings, or raised commutator
bars or other damage after storage and subsequent operation at -18 + 3C temperature for a
24 hour period (4.4.7.2).
3.6.3 Vibration. The blower shall show no loosening of parts, objectionable operating
characteristics, noise, wear, physical distortion or failure of components during and after
exposure to simple harmonic motion having an amplitude of 0.03 inch in the frequency range of
10 to 55 Hertz (Hz) to 10 Hz with a sweep time of 1 minute. After being subjected to the
vibration, the blower shall meet the requirements of 3.3.2 (see 4.4.7.3).
3.6.4 Shock. The blower shall show no change in physical, electrical, or material
characteristics after exposure to a sawtooth shock pulse of 30 gravity units (g) for 11
milliseconds (ms). After being subjected to the shock, the blower shall meet the requirements of
3.3.2 (see 4.4.7.4).
3.6.5 Sand and dust. After exposure to fine dust (up to 150 microns in size) blown at
762 + 152 meters per minute (m/min) for a 24 hour period, the blower shall meet the
requirements of 3.3.2 (4.4.7.5).
3.6.6 Corrosion resistance. The blower shall evidence no damage affecting its operation
and shall meet the requirements of 3.3.2 after exposure to salt spray consisting of 5 + 1 parts per
mass of sodium chloride dissolved in 95 parts of water for 200 hours (see 4.4.7.6).
3.6.7 Fungus resistance. After a continuous 90 day exposure to spore inoculation, the
blower shall show no evidence of microbial growth that would adversely affect its performance
and shall subsequently meet the requirements of 3.3.2 (see 4.4.7.7).
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows (see 6.2):
a. First article inspection (see 4.2).
1. Preproduction inspection (see 4.2.1).
2. Initial production inspection (see 4.2.2).
b. Conformance inspection (see 4.3).
1. Examinations (see 4.3.2).
2. Acceptance tests (see 4.3.3).
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