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8.
CARBURETOR
8-1
OPERATION
AND
CONSTRUCTION
8-1
-1
FLOAT
SYSTEM
The float chamber is located below the carbure-
tor body and, with
a
float
and
a
needle valve,
maintains a constant fuel level during engine
op-
eration.
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.
PILOT OUTLET
1
"""_
"_
'"""_ESIX
Fl
Fig.
8-1
PILOT
JET
""_
""""""
II
"
-
"
/
-OAT
-\
MAIN
JET
Fig.
8-2
-
47-