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24
FORD
MODEL
A.
Adjustment
ol
Carburetor
The method of regulating the carburetor
for ordinary driving
,conditions is to tum the carburetor
adjusting
rod to the
right
until the needle just seats, then turn the rod back approxi-
mately one-fourth of a tum.
To Set Idle Adjustment
Proceed
as
Follows:
With engine wanned
up, fully retard spark and
throttle
levers. Unhook
throttle
rod at carburetor.
Adjust
throttle
adjusting
screw so that the engine will run sufficiently
fast
to keep from stalling.
N
t turn
idling adjusting
screw in
or out until engine runs evenly without
rolling or skipping.
Then
slowly
screw in throttle
plate
adjusting
screw until
engine picks up slight additional
speed. Connect throttle
rod
to carburetor.
Do
not expect an engine that is too stiff to "rock"
on com-
pression when stopped, to idle well at low speed.
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