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8.
CARBURETOR
B
8-1
OPERATION
AND
CONSTRUCTION
8-1
-1
FLOAT
SYSTEM
The float chamber is located below the carburetor body
and, with a float and a needle valve, maintains a
constant fuel level during the engine operation.
The fuel flows from the fuel tank into the float chamber
through the 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 shuts
off the fuel, thereby keeping the fuel at the predeter-
mined level.
FI
Fig.
8-1
PILOT
OUTLET
\
BY-PASS,"""
,
[""
"-""
+=""~Z
I
I
PILOT
AIR
JET
AT
I
1
MAIN
AIR
JET
\
k"""
II
'""""i=r""J'
-\
MAIN
JET
Fig.
8-2
-
47
-