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|  MIL-C-52037F (ME)
3.7.1
human factors engineering design criteria as described in MIL-STD-1472.
special
design emphasis shall be given, but not limite#d to, applicable portions of
MIL-STD-1472\ , general requirements (4), control/display integration (5.1), visual
displays (5.2),conrols (5.4), labeling (5.5), anthroponetry (5.6), design for
maintainability (5.9), and hazards and safety (5.13).
3.7.2 Noise limits. The noise produced by the compressor shall conform to
MIL-STD-1474 requirements, with the exception of MIL-STD-1474, 5.2, 5.3, and
5.4, when tested in accordance with 4.5.2.15. The provisions fo MIL-STD-1474
4.3 and 4.4 shall be proviced if and only if MIL-STD-1474, 5.1.1.2 procedures
have been pursed and documented to the satisfaction of the procuring activity
and written permission to exceed the 85 dB(A) limit is obtained form the
procuring activity. Hazard sign shall conform to MIL-STD-1474, 4.3, except the
sign will stae "HEARING PROTECTION REQUIRED WITHIN (specify) FEET". The sign
shall be readable at the distance indicated on the sign. For the purpose of the
noise measurement, the operator position is defined as 1.5 feet the
compressor.
3.8
3.8.1 Rated capacity. Within one hour of operation after starting, the
compressor shall deliver not less than 15 cubic feet per minute (cfm) at ASME
standard of 14.7 psia, 68
ard 36 percent relative humidity at a delivery
pressure of 3,500 pounds per square inch (psi) (see 6.6.1 and 6.6.2) when
operating under all conditions specified herein. The moisture content of the
delivered air shall be no greater than 23.6 parts per million (ppm) by volume
dewpoint at 14.7 pounds per square inch absolute (psia)).
3.8.2 Tilted operation. The compressor shall deliver the rated capacity at
3,500 psi for not less than 30 minutes when tilted in any position at an angle
of 15 degrees from the horizontal with the oil level in the enqine and
compresor on the "low" or "add" mark when checked with compressor unit sitting
on a level surface. The compressor shall stand for not less than 4 hours in a
7
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