MIL-F-27707H(USAF)
4.3.2.2 Inhibited fuel test. During the inhibited fuel test, a single-pass
transfer system is required. Single element tests devised to represent full
scale testing shall consist of the element shown on figure 1 installed in a
canister as shown on figure 2. Single element testing shall be performed at
a flow rate not less than 25 gpm.
4.3.2.3 Coalescer test. The filter element shall be subjected to the test of
MIL-F-8901 entitled Coalescer Element.
4.3.2.4 Flow rate. During the Full-scale test conditions, the flow rate
capacity for the filter element shall be 600 gpm.
4.3.2.5 Disassembly inspection. Upon completion of the Life test specified
in MIL-F-8901, the filter-separator housing shall be disassembled and inspected
to determine the condition of the filter elements. Defects in the filter element
such as swelling of the element, damaged elements, dinged gaskets, et cetera,
shall be recorded. Excessive swelling of or damage to the element or other parts
shall be cause for rejection.
4.3.2.6 Plastic material test. Sections of plastic material used in the
construction of end caps and elements or especially prepared test specimens
shall be tested as follows to verify plastic material compliance. This test
data developed shall be included in the test report:
Tensile strength - ASTM D 638, type I
a.
b.
Flexural strength - ASTM D 790
c.
IZOD impact strength (notched) - ASTM D 256, method A.
4.4 Acceptance tests.
The acceptance tests shall consist of the following:
8. Individual tests . . . . . . . . . . . . . . . . . . . . . . See 4.4.1
b.
Samping test . . . . . . . . . . . . . . . . . . . . . . . See 4.4.2.
4.4.1 Individual tests
4.4.1.1 Examination of product. Each element and canister shall be examined
as required by the Examination of product paragraph of MIL-F-8901, and to
determine that it conforms to the elements and canisters used in the prepro-
duction tests.
4.4.1.2 Separator canister inspection. Each separator canister shall be
subjected to an inspection to determine if all joints are properly sealed and
the wire mesh is properly attached to insure integrity. The canister shall be
