MIL-P-14514G
filler cap removed and replaced with test plug or test fitting and immerse in
water so that the top of the tank is not less than 12 inches below the water
Evidence of leakage of the tank shall constitute failure of the test.
level.
4.5.2.4 High temperature.
The pumps shall be tested as specified in
MIL-STD-81O, procedure II, method 501. The maximum ambient storage temperature
shall be 160 °F (71 °C) and the maximum ambient operating temperature shall be
125 °F (52 °C).
The operating period of procedure II shall be 3 hours. The
pumps shall be operated at a rated capacity.
Nonconformance to 3.5 shall
constitute failure of this test.
4.5.2.5 Low temperature. The pumps shall be tested as specified in
MIL-STD-81O, procedure I, method 502. The minimum ambient storage temperature
The minimum ambient operating temperature shall be
shall be -50 °F (-46 °C).
The pumps
+32 °F (0 °C). The operating period of procedure I shall be 3 hours.
shall be operated at a rated capacity. Nonconformance to 3.5 shall constitute
failure of this test.
4.5.2.6 Safety.
The pumps shall be evaluated for safety requirements
Nonconformance to 3.6 shall constitute
throughout testing as specified in 4.5.2.
failure of this test.
Noise levels shall be measured in accordance with
4.5.2.7 Noise level test.
MIL-STD-1474, 5.1 requirements and reported in the format indicated by
noise levels Bhall be measured when
MIL-STD-1474, figure 7. As a minimum:
equipment is operating under full load, in accordance with MIL-STD-1474,
Contours shall be taken at not fewer than 12 equal (horizontal) arc
5.1.2. 1.4.
increments , one increment shall include data from the noisiest position.
Additionally, the noise level at the operator's typical operating position shall
be provided as dB(A) level. Failure to comply with MIL-STD-1474 provisions
shall constitute failure of this test.
Using the applicable MTBF specified in 3.8 the pump
4.5.2.8
Reliability.
shall be tested as specified in 4.5.2.10 with "accept" and "reject" criteria in
Continue testing until either an "accept" or "reject"
accordance with figure 1.
decision is reached. A failure is defined as any malfunction which cannot be
corrected within 30 minutes (all waiting periods are excluded) by adjustment,
repair , or replacement action using controls and on-equipment tools or parts
available to the using element, and 1s a malfunction which causes or may cause
one or more of the following:
Failure to commence operation, cessation of operation, or degradation
a.
of performance below specified levels.
b.
Damage to the pump by continued operation.
Safety hazards to personnel.
c.
Nonconformance to 3.8 shall constitute failure of this test.
The maintenance ratio shall be computed during
4.5.2.9 Maintenance ratio.
initial production testing. Nonconformance to 3.9 shall constitute failure of
this test.
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