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Ford 9N, 2N & 8N Discussion Forum
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Governor question ?

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B. Jones

03-09-2004 16:03:19




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I decided to take my governor apart to see what condition it was in. I put in 4 new balls as the old ones had small flat spots. The FO-4 manual says the clearance between the washer and fork base should be .220-.230inches and to adjust with shims. I bought new balls but did not have any new shims, so I put it back together with about .250 inches. It works really good now but will this extra clearance cause me any problems on down the road that I am not aware of at this time?

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Brian-2N

03-11-2004 14:58:33




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 Re: Governor question ? in reply to B. Jones, 03-09-2004 16:03:19  
B.,
If the balls had flat spots, I'll bet the races were worn too. You'd probably have to hold them to the light, but I'll bet you find grooves.
If you buy the deluxe rebuild kit, you'll get the new races, new balls, and extra shims. Make sure the tolerance is .22-.23. Besides erratic operation and "chasing the carb" trying to make it run correct, you just may wear a groove in the housing if the tolerance is too large.

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Tad

03-10-2004 06:37:41




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 Re: Governor question ? in reply to B. Jones, 03-09-2004 16:03:19  
Mr. Jones -

Given my limited understanding of how the governor works, the balls will travel too far out and may even be running against the housing if the clearance is too large (>.230"). The response of the governor will be different as the centrifugal force (that which slings the balls out) will be greater if the balls are circulating in a larger circle. The range of motion for the balls, and thus the arm controlling the carb, will be greater too. The carb linkage may end up limiting the governor motion (a worst case I'm guessing).

FWIW,

Tad

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souNdguy

03-10-2004 06:28:37




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 Re: Governor question ? in reply to B. Jones, 03-09-2004 16:03:19  
That extra .02 is wear out of tolerance.

Think of it as having 85 psi compression in a cylinder... spec is minimum 90 psi.. I think alot of us N owners are running around with parts that are just out of tolerance.. but not enough out to rebuild.. or to cause a failure.

Was it running before the gov. repair? If so.. should be no worse. The new balls without the flat spots will help.

Of course, the 'right' thing to do would be to shim it to back within tolerance.. that way you could gain full benefit of its 'well-adjusted' operation.. out of toloerance.. I imagine you are sacrificing some performance.. how much?

Problems down the road? Welll.. when it goes out of tolerance enough to affect its smooth operation.. you or the next owner will then have to repair it... Kind of a pay me now or pay me later issue. If it is a light duty tractor think of it like this... it made it this long.. with 'that' amount of wear... though it mail fail tomorrow.. my bet is that it has years of service left..

Soundguy

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