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1950 8N throttle problem

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Jim Musick

08-02-1999 21:53:55




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As many others have found , we have a worn down throttle lever (I guess
that originally they even had a small ball bearing pressed into the
underside at the end of the lever, is this correct?). and the serrated
plate under the lever. Because of this the lever does not maintain it's
position against the governor pressure.

Is there any good remedy? I assume that there is no source (after market
or otherwise) for new parts to fix this problem? Some say to put little
bumps of hot electrode on the plate using a MIG welder. Others say try
using a stronger spring at the bottom of the throttle rod. Others try
'shimming' under the plate.

It seems with all the worn out 8N throttles out there, that someone
would be making new after market parts such as the lever, plate, spring,
etc.?

I am hoping that with your experience and knowledge with the old Ford
tractors, that you might come up with the best solution? It certainly is
difficult to try and mow a rough field with a 'bush hog', when you have
to keep one hand always on the throttle.

Thanks for any and all help you can offer.

Looking forward to hearing from you.

Jim Musick
Email: [email protected]

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David (La)

08-03-1999 06:40:00




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 Re: 1950 8N throttle problem in reply to Jim Musick, 08-02-1999 21:53:55  
That is the first nagging problem I jumped on when I got my 8N running properly.

Took the plate off and put it on an anvil (piece of railroad iron) and hit the edges of the raised portions with my large cold chisel about 3 times each. This raised the little humps some. I then removed the throttle and opened up the end a little and pried out the ball which was worn flat. I then turned the ball around which was round and reinstalled. On assembly, I tightened the spring some. Mine is fixed now, probably for another 25 years. These kind of fixes are very rewarding in that they cost nothing but time and work.

P.S. I also had to bend down some the arm that holds the ball so as to allow for clearance where just the ball was touching the plate.

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Mac(MI), I have a less expensive option...

08-03-1999 04:33:20




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 Re: 1950 8N throttle problem in reply to Jim Musick, 08-02-1999 21:53:55  
Ed's answer is good, (from Gooding!), anyway mine is also worn out too , but the tractor works best between 3/4 and full throttle. So, I drilled a small hole through at 3/4 throttle and attached a pin and chain. Position throttle, insert pin, and bamm, throttle stays put. Kinda like cruise control on a 50 year-old tractor. Had these thing lying around the workshop, so cost was nill and it took me about 15 minutes. The difference between that and Ed's idea should provide liquidity for a case or two of PREMIUM BEER! Oh, and ad one of those ball handles onto sterring wheel so that one-handed steering is an option.

But, be safe, and don't drink and drive, especially without an ORC :-)

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Ed Gooding (VA)

08-03-1999 04:14:20




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 Re: 1950 8N throttle problem in reply to Jim Musick, 08-02-1999 21:53:55  
Jim, your New-Holland dealer can replace most, if not all of those parts. Mine had a new throttle plate right on the parts shelf.

Hope this helps..... ..... Ed
'52 8N475798



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Don B

08-03-1999 06:44:04




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 Re: Re: 1950 8N throttle problem in reply to Ed Gooding (VA), 08-03-1999 04:14:20  
New throttle plate and or rod probably will not cure this problem.This is controled by the two springs at the end of the trottle rod.Check the archives for fix.Don



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