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Tractor Talk Discussion Forum

IH SUPER A GOVENOR PROBLEM

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keith e johnson

04-16-2007 15:30:44




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i need some help..the govenor on my super A is not working correctly...it does not return to idle and revs the engine way up. my dealer made it sound like a big deal to fix...i just want to know if i can pull the cover and not be getting in over my head and also is there is supposed to be oil in the housing? all the manual says is that it is pre set at the factory. thanks in advance
keith




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Reddog

04-16-2007 20:11:56




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 Re: IH SUPER A GOVENOR PROBLEM in reply to keith e johnson, 04-16-2007 15:30:44  
My guess would be the spring inside the govenor is broke. If that is all it is it is easy to replace. Post your question on the Farmall board, those guys will give detailed help and instructions.

Mike



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Bob

04-16-2007 20:33:28




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 Re: IH SUPER A GOVENOR PROBLEM in reply to Reddog, 04-16-2007 20:11:56  
The spring inside the governor that commonly breaks works AGAINST the governor weights to MAKE the engine "rev". When it breaks, the engine remains at idle and does NOT rev.

A worn thrust bearing in the governor or simply a mis-adjusted linkage between the governor arm and the carburetor will cause the "won't idle down" problem, as well as other wear in the governor mechanism and shafts and bushings. (Also, sometimes the throttle butterfly plate screws can come loose, making the butterfly loose on it's shaft. This will cause weird problems, too.)

Start by setting the linkage betwen the carburetor and the governor arm, as detailed in the service manual. I wish I was there... I could do it in a few minutes... it's harder to explain than to actually DO.

Basically, you want the carburetor butterfly shaft to reach the end of it's rotation in the "wide open direction" JUST BEFORE the governor arm gets to the end of it's movement.

Do you have access to a service manual that will give the procedure in more detail?

If the linkage is simply "out of adjustment", following the adjustment procedure will be a permanent "fix".

If the governor thrust bearing is wearing out, the "adjustment fix" will be temporary, as it will get messed up again as the bearing continues to wear.

If you decide to try to remove the governor yourself for repairs, you'll need to rotate the engine to #1 TDC, and note the position of the distributor rotor, and then the drive slot at the rear of the governor shaft... HORIZONTAL, if no one has ever messed with it before.

BE SURE you understand how to do this, or you'll be in for a devil of a time getting the ignition system back "in time" after governor repairs.

Post back, with any more questions!

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