8.
CARBURETOR
8-1 OPERATION AND CONSTRUCTION
(See
Fig.
7-2.
and
SI.)
8-1 -1 FLOAT SYSTEM
The float chamber is located just below the carbu-
retor body .and, with a float and a needle valve,
maintains a constant fuel level during engine opera-
tion.
The fuel flows from
the
fuel tank into the float
chamber through needle valve. When the fuel rises
to a specific level, the float rises
;
and when its
buoyancy and fuel pressure are balanced, the needle
valve closes
to
shut off the fuel, thereby keeping the
fuel at the predetermined level.
FLOAT
u
'\
Fig.
8-1
PILOT OUTLET
'
PILOT JET
Fig.
8-2
-44-
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