CHOKE PLATE
CARBURETOR OVERHAUL
Carburetion problems that are not corrected
by
mixture adjustments are usually a result of gummed-
up fuel passages or worn internal parts. The most
effective solution is a complete carburetor overhaul.
complete disassembly, a thorough cleaning, and
replacement
of
worn parts. Carburetor repair parts
are available.
General instructions for overhauling a carburetor are
given below. Carefully note the position of all parts
while removing to assure correct placement when
reassembling. Read through all the instructions before
beginning for a better understanding of the pro-
cedures involved. Carburetor components are shown
in Figure
3.
/snition of fuel can resulf in severe
-1
personal injury or death.
Do
not
smoke or allow any spark, pilot light, or arcing equip-
ment near the fuel system.
In general, overhauling a carburetor consists
of
CHOKE SHAFT
THROTTLE STOP
SCREW
-*
IDLE ADJUSTME
HROTTLE PLATE
D
t
FLOAT
..
'
ASSEMBLY
CAP
FS-1440-3
WALBRO CARBURETOR
CHOKEPLATE
CHOKE SHAFT
a
/-
FLOAT ASSEMBLY
OPTIONAL MAIN
FUEL ADJUSTMENT
FIXED
\
IDLE ADJUSTMENT IDLE ADJUSTMENT
!
'THROTTLE PLATE
-9
b
FS-1440
NlKKl CARBURETOR WITH SEMI-AUTOMATIC CHOKE
AND
LIMITED IDLE MIXTURE SCREW.
NlKKl CARBURETOR
FIGURE
3.
CARBURETOR ASSEMBLY
7-3
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by any means, is strictly prohibited.
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