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Fuel
Systems
Tests
FEDERAL LAW
183.590 - Fire test
(c) If the component is tested in a fire
chamber:
(1) The temperature within one inch
of the component must be at least 648 deg.C. sometime
during the 2 and 1/2 minute test;
(2) The surface of the heptane must
be 8 to 10 inches below the component being tested;
and
(3) The heptane must be in a container
that is large enough to permit the perimeter of the
top surface of the heptane to extend beyond the vertical
projection of the perimeter of the component being
tested.
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If the component being tested is a hose clamp,
it must be subjected to a tensile test after the fire test.
It must withstand a 1-pound (0.5 kg.) pull in any direction
in which it might be subjected in any use. It must not separate,
break, crack or noticeably deform as a result of the application
of the weight used for the test.
"USCG Type A1” and “USCG Type
A2” fuel hoses and stop valves must not leak fuel after
the fire test when subjected to a 3-foot head of fuel. (See
183.528 and 183.532).
Fuel filters, fuel strainers and fuel pumps
must not leak more than 5 ounces of fuel in 2-1/2 minutes
after the fire test, in accordance with 183.524
and 183.534.
All fuel components including fuel tanks tested
in a fire chamber must be subjected to a fire test that causes
the temperature within one inch of the component to reach
at least
648ºC (1200ºF).
FIGURE
47 - Fire Test in a Typical Fire Chamber
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