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Super A Governor Bumper Spring

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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Super A
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Super A Governor Bumper Spring

Postby Super A » Thu Mar 22, 2012 9:44 am

I had the governor on my Super A rebuilt and I have installed it, throttle response is 100% better and I have speed adjustment across the entire range of the quadrant. However, I can't quite get it set up like I want. When I installed it, it surged some so I removed the "acorn nut" at the base of the governor housing and turned the set screw in, per the instructions in the service manual. I finally turned it in so far that I had to remove the jam nut in order to get the acorn nut back on. I noticed that this seemed to affect my idle speed (idled a little faster) So I adjusted it again yesterday--turned the screw out just far enough to get the jam nut and the acorn nut back on. It runs ok but I can still detect a tiny bit of surging when you rapidly accelerate or deaccelerate. So my question is, does that spring get worn enough to prevent proper adjustment?

Again this is not the main governor spring, this is the bumper spring...

thanks
Al
White Demo Super A Restoration Updates

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twotone
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Re: Super A Governor Bumper Spring

Postby twotone » Fri Mar 23, 2012 9:02 am

When I rebuilt my TC on my Super A, after I adjusted everything in the carb side of the tractor I went and adjusted the governor. It didn't take much and I had it running beautiful. I do have a very small surge when I ram it from idle to wide open but I think that is acceptable. I believe even the book says 1 or 2 slight surges are ok.


Tom
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Tom

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John *.?-!.* cub owner
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Re: Super A Governor Bumper Spring

Postby John *.?-!.* cub owner » Fri Mar 23, 2012 10:13 am

I would suggest backing the spring off to its original setting and using it a few hours before adjusting. The pivots may be a little stiff, and the new seal tight on the shaft causing it to surge when finding right rpm. let it run in a while then try again.
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User avatar
Super A
10+ Years
10+ Years
Posts: 5229
Joined: Mon Jan 26, 2004 10:53 am
Zip Code: 28521
Tractors Owned: Collector of Super As, Corn Pickers, and a buncha other junk. Even a Cub now and then...
Circle of Safety: Y
Location: NC, Jacksonville area

Re: Super A Governor Bumper Spring

Postby Super A » Fri Mar 23, 2012 12:06 pm

John *.?-!.* cub owner wrote:I would suggest backing the spring off to its original setting and using it a few hours before adjusting. The pivots may be a little stiff, and the new seal tight on the shaft causing it to surge when finding right rpm. let it run in a while then try again.



John,

I had already run it a while before I adjusted it.

Al
White Demo Super A Restoration Updates

Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
Celebrating 75 years of the Super A: 1947-2022


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