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Fuel
Systems
Tests
FEDERAL LAW
183.586 - Pressure impulse test
A fuel tank is tested by performing the
following procedures in the following order:
(a) Perform the static pressure test under
Sec. 183.580.
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The pressure impulse test is applicable only
to fuel tanks which have a rated capacity of 25 gallons or
more. Tanks which have a rated capacity of between 25 gallons
(94.61 liters) and 199 gallons (756.0 liters) must be subjected
to the pressure impulse test. Tanks which have a rated capacity
of 200 gallons or more must be subjected to both the pressure
impulse test and the slosh test.
Before subjecting the tank to the pressure
impulse test, it should be subjected to the static pressure
test (see 183.580) and pass with
no leakage.
The empty tank must be pressurized with air
or compressed inert gas to the pressure indicated on the tank
label.
This test is construed to be a destructive
test and a fuel tank subjected to this test should not be
installed in a boat.
Note:
A complete copy of the United States Coast Guard Compliance
Test Procedures - Fuel System Standard Test Procedure, is
provided in Appendix A of the
Fuel Guide.
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