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Farmall & IHC Tractors Discussion Forum
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1028 McCormick 10-20 throttle problems

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tractor Hank

01-04-2007 17:34:41




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I am looking at buying a 1928 McCormick 10-20. It starts right up and sounds great, but the throttle does not work. The linkage seems to be moving fine up until it enters the area where it meets the governor tube. It just runs at one speed. I am not used to this type of tractor and was wondering if it is a friction movement or what. Does it sound complicated or is it a simple fix? any info would be appreciated. Thanks, Hank 785
-748-0061

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Nebraska Cowman

01-05-2007 05:33:11




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 Re: 1028 McCormick 10-20 throttle problems in reply to tractor Hank , 01-04-2007 17:34:41  
The shaft inside the tube should turn freely. It may be stuck.



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Kevin LA-CA

01-04-2007 21:05:14




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 Re: 1928 McCormick 10-20 throttle problems in reply to tractor Hank , 01-04-2007 17:34:41  
Does the tractor run only at rated speed? Does the control rod enter the governor tube on the left or right (from operator seat)?

If this is left, then this tractor is only governed at full throttle ~1100rpm. Below this, the speed lever works like an automotive gas pedal. Very sensitive too, a slight adjustment may go from stop to full throttle (governed). I believe this should be the case for a '28 (my two are this way).

The fully goverened versions enter the back of the governer housing on the right. If this is true (some were farmer modified to do this) - then steelfronts is right on - gummed up or governor with broken springs.

Both cases could also have a sticky throttle plate / control rod. On right side of engine.

HTH kevin

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steelfronts

01-04-2007 18:16:22




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 Re: 1028 McCormick 10-20 throttle problems in reply to tractor Hank , 01-04-2007 17:34:41  
Hank that should be an easy fix most likely it will just take a cleaning and oiling of the parts under the cover where the linkage ends



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tractor Hank

01-04-2007 17:41:42




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 Re: 1928 McCormick 10-20 throttle problems in reply to tractor Hank , 01-04-2007 17:34:41  
Sorry, I put in 1028 McCormick instead of 1928 McCormick 10
-20.



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