[Farmall] Super A Throttle Adjustment

[Dave Maynard]

Try turning your sesitivity screw in to prevent the surging.

On Wed, Jul 21, 2010 at 10:23 AM, Ben Wagner <supera1948 at gmail.com> wrote:

> Hello,
>
> Let me apologize for making this question so long.  It is rather
> complicated to explain!
>
> When I first bought my Farmall Super A, the governor wouldn't let the
> tractor idle.  I adjusted the little clevis from the governor to the
> carb "according to the book" i.e. aligning the parts together at full
> throttle so that the pin easily slips in.  That fixed the problem of the
> idle.
>
> Now I have a new issue, part of which comes because I am not familiar
> with how a Super A governor/ throttle should work.  When it is adjusted
> like the manual says, the governor surges the engine.  I can see the rod
> bouncing back and forth.  And, I don't get full throttle power, only
> maybe half open.  Part of this could be because when it is adjusted like
> this, it wants to idle when the throttle control lever is about halfway.
>
> I can adjust it to get full power.  Then I have no range, only high
> throttle, and an idle of some degree.
>
> I can tell I am doing something wrong.  Is there a part that has gone bad?
>
> Question One-- Should the engine ever run "full throttle," thus the
> official adjustment being correct?
> Question Two-- The "surging" issue- I notice that the shaft from the
> governor to the carb is "loose" when the throttle control lever is in
> the middle.  When it is at idle or full throttle, the shaft is tight.
> Is this normal?  Is the "loose" position causing the surging?  Finally,
> the parts book references a surge bumper at the bottom of the governor
> housing.  Do I need to adjust it?
>
> Thanks for all the help....
> Ben Wagner
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