At 11:39 AM 9/6/2006 -0700, Max Heim wrote:
>.... having trouble with them not always returning to idle.....
When the throttle the shaft is worn it will move off center a bit due
to action of the return springs. This moves the throttle plate off
center where it can bind against the side of the throat, in which
case it is reluctant to return to full closed. A quick snap, like
slipping your toe off the side of the throttle pedal, can force it to
fill closed and slow idle, but it is irritating. The proper solution
is to replace the throttle shaft.
In the meantime there is a temporary fix. Loosen the small screws
which hold the throttle plate in the slot of the shaft so the plate
can float in the slot. Back off the idle screw so the throttle plate
will go completely closed. Nudge the plate a bit so it will come to
rest touching the throat all the way aroud tthe edge, and tighten the
screws to secure the throttle plate. Readjust the idle screw(s) for
proper syncronization and correct idle speed. When the throttle
plate is properly centered it will not bind, and the carb(s) will
return to slow idle consistently.
Barney Gaylord
1958 MGA with an attitude
http://MGAguru.com
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