Motive Power Industry BLUR 150, Service Manual

Page: 104 / 234

FLOAT SYSTEM
The float
c
and needle valve
d
work in conjunction with one another. As the float chamber
e
,
the float
c
rises and the needle valve
d
pushes up against the valve seat. When this occurs, no fuel
enters the float chamber
e
.
As the fuel level falls, the float
c
lowers and the needle valve
d
unseats itself; admitting fuel
into the float chamber
e
.
In this manner, the needle valve
d
admits and shuts off fuel to maintain the appropriate fuel
level inside the float chamber
e
.
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