MIL-PRF-62284B(AT)
4.2.4 Interface requirements verification.
4.2.4.1 Overall envelope and interfaces inspection. An overall envelope inspection shall
be demonstrated by placement of a blower assembly in the present existing location in order to fit
all physical interfaces.
4.2.4.2 Weight inspection. Verify that the blower assembly weighs 8 lb or less.
4.2.4.3 Electromagnetic interference. To determine conformance to 3.4.3, the assembly
shall be subjected to the electromagnetic interference tests specified below for radiated and
conducted emissions:
- Test Figure 4 to MIL-STD-461 or equivalent (see 4.2.1), using the test requirements
for RE 102 broadband.
- Test Figure 5 to MIL-STD-461 or equivalent (see 4.2.1), using the test requirements
for RE 102 narrowband.
- Test Figure 6 to MIL-STD-461 or equivalent (see 4.2.1), using the test requirements
for CE 101.
- Test Figure 7 to MIL-STD-461 or equivalent (see 4.2.1), using the test requirements
for CE 102 narrowband.
- Test Figure 8 to MIL-STD-461 or equivalent (see 4.2.1), using the test requirements
for CE 102 broadband.
4.2.5 Ownership and support requirements verification.
4.2.5.1 Endurance. To determine conformance to 3.5.1, the blower shall be mounted as
shown in figure 13, or equivalent, and subjected to endurance testing as shown:
a. Subject the blower to the performance tests of 4.2.3.1, 4.2.3.2, 4.2.3.5, and
4.2.3.6.
b. Place the blower in a vibration/temperature chamber such that the assembly can
be vibrated in the "Y" axis (see figure 12).
c. Subject the blower to the endurance profile specified in figure 9. The duty cycle
shall be 9.75 minutes "ON" and 0.25 min "OFF" during the blower "ON" time
(see figure 9) and high temperature and dust cycling (see figure 14).
d. Random vibration shall be at an acceleration level of 0.003 G2/Hz ± 2 decibels
(dB) between the frequencies of 10 and 500 Hz. Roll off shall be 15 dB/octave
below 10 Hz and -50 dB/octave above 500 Hz.
e. After endurance testing, return the blower to room temperature and subject it to
the performance tests of 4.2.3.1, 4.2.3.2, 4.2.3.5, and 4.2.3.6.
11
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business