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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