MIL-S-27661C
Test activity or contractor comments on field conditions or pro-
e.
cedures to be avoided or cultivated to increase the reliability
and useful life of the item.
f.
Estimates (±5 percent of actual experienced) of man-hours required
for each maintenance and servicing action during the tests. A
brief description of the qualifications and experience of the per-
sonnel involved shall be included and shall be adequate to allow
comparison to the personnel anticipated in similar field work.
*
First article tests shall consist of all tests
4.4.3 First article tests.
described under 4.6.
The acceptance tests shall consist of the individual
4.5 Acceptance tests.
tests.
4.5.1 Individual tests. Each strainer shall be subjected to the following
tests as described under 4.6.
a.
Examination of product.
b,
Hydrostatic tests.
4.6
Test methods.
The strainer shall be inspected to deter-
4.6.1 Examination of products.
mine compliance with the requirements specified herein with respect to
materials, workmanship, dimensions, weight and marking. Ease of removal of the
screen assembly without disconnecting any piping shall be demonstrated. The
design and construction of the sediment strainer shall be examined to insure
that no fluid is permitted to bypass the screen of the screen assembly
*
4.6.2 Environmental conditions. The strainer shall be subjected to the
following environmental tests conducted in accordance with the specified pro-
cedures of MIL-STD-810. An engineering evaluation concerning the ability of
the equipment to resist the exposure specified in 4.6.2.2 through 4.6.2.5
shall be considered as meeting the tests specified herein.
4.6.2.1
Temperature tests.
*
4.6.2.1.1 High temperature exposure. The strainer shall be installed in a
test chamber and the high temperature exposure test performed in accordance
with procedure I of MIL-STD-810. No adverse effects that would affect opera-
tion at normal temperature shall result from this exposure. The chamber tem-
perature shall be reduced to 130°. Fahrenheit and the tests specified in 4.6.3
and 4.6.5 shall be conducted.
*
4.6.2.1.2 Low temperature exposure. The strainer shall be installed in a
test chamber and the low temperature exposure test performed in accordance
with procedure I of MIL-STD-810, No adverse effects that would affect opera-
tion at normal temperature shall result from this exposure. With the tempera-
ture stabilized at -65° Fahrenheit, the tests specified in 4.6.3 and 4.6.5
shall be conducted.
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