FUEL SYSTEM AND GOVERNOR
57
NOTE: The float is not adjustable. Spring tension against
the float valve begins to build from the horizontal
position, putting progressively more pressure
between the tip of the valve and the seat. See Fig-
ure 4.46.
NOTE: Because the float valve is crucial to the functioning
of the carburetor, and the viton tip of the valve is
subject to wear, it is suggested that technicians
replace the valve and spring any time the carbure-
tor is disassembled for cleaning.
• A square cross-section gasket seals the bowl to
the body of the carburetor.
6. Remove the main jet by using a narrow-shank
straight blade screwdriver. See Figure 4.47.
NOTE: A primer carburetor will have an additional port so
that the air from the primer bulb can enter the float
chamber. See Figure 4.48.
Figure 4.46
Float
Compression
spring
Float valve
Figure 4.47
Main jet
Bowl gasket
Bowl vent port
Figure 4.48
Port for the
primer
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