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MIL-PRF-62284 Blower Assembly, Air CleanerThis specification covers a 1/10 horsepower \(hp\) continuous duty motor directly coupled to a 60 standard cubic feet per minute \(stdft3/min\) blower, operating from an 18 to 30 Volts direct current \(Vdc\) power source.

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MIL-PRF-62284B(AT)
3.4.3 Electromagnetic interference. The blower shall meet the requirements for radiated
emissions in accordance with figures 4 and 5, and conducted emissions in accordance with
figures 6, 7, and 8.
3.5 Ownership and support requirements. The blower assembly shall meet the following
logistics requirements.
3.5.1 Endurance. The blower shall show no performance degradation after 800 hours of
operation in accordance with the endurance life cycle shown in figure 9 at the input voltages in
figure 10, and shall withstand random vibration with acceleration level of 0.003 square gravity
per Hertz (g2/Hz) ± 2 decibels (dB) between the frequencies of 10 and 500 Hz.
3.5.2 Safety. The air cleaner shall be safe to operate, and shall not subject personnel to
injuries from rotating parts, burrs, or sharp edges, electrocution, etc.
3.5.3 Interchangeability. All similar parts, including repair parts, of the blower assembly
furnished on the same order or built to the same drawings, shall be strictly interchangeable
without the necessity of further machining, selective assembly or hand fitting of any kind.
3.5.4 Marking. Marking shall include, as a minimum, the following information
permanently marked, and clearly visible on the outer surface of the assembly:
Nomenclature "BLOWER ASSEMBLY, AIR CLEANER".
a.
Manufacturer s identification.
b.
c.
When required, serial numbers shall be defined (see 6.2).
d.
Military part number.
e.
Date of manufacture.
f.
Contract number.
Symbol "US".
g.
3.6 Operating environment requirements. The blower assembly shall operate under the
following environmental conditions, without degradation in performance.
3.6.1 Temperature. The blower shall meet the performance requirements specified
herein at any temperature within the range of 185 degrees Fahrenheit (F) to minus (-) 65F. The
blower shall not be damaged by storage conditions ranging from -65F to 185F.
3.6.2 Vibration. The blower shall be capable of withstanding the vibration profile of
figure 11 for a period of 120 minutes (including up to 4 resonance dwells of 20 minutes each) in
each of the three mutually perpendicular axes as shown in figure 12.
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