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Fuel
Systems
Manufacturer Requirements
FEDERAL LAW
183.560 - Hoses clamps: Installation
Each hose clamp on a hose from the fuel
tank to the fuel inlet connection on the engine, a hose
between the fuel pump and the carburetor, or a vent
line must:
(c) Be beyond the bead, flare, or over
the serrations of the mating spud, pipe, or hose fitting;
and (see 183.560) |
This requirement does not apply to a tube used
to detect fuel pump diaphragm failure.
Any hose to be used with hose clamps and installed
in:
(a) the fuel tank vent line;
(b) the fuel line between the fuel pump and the carburetor;
or
(c) the fuel distribution line between the fuel tank and
the fuel inlet connection at the engine (this connection
is often at the fuel pump)
is required to be assembled with the hose clamp:
(a) at least one-quarter inch from the end
of the hose, and
(b) beyond a bead or flare, or
(c) over serrations or annular grooves (183.530).
NOTE:
Wire types of hose clamps are not acceptable.
FIGURE
27 - Examples of Satisfactory Installations
TO COMPLY WITH THE LAW
- Is the hose clamp beyond a bead or
flare, or installed over the serrations or annular
groves, depending upon the design of the hose barb
fitting?
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