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High engine speed

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Alan

02-02-2001 18:31:28




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My Farmall H has a new problem. On startup in cool weather (20 deg. F), the engine
catches on the first or second try but immediatly begins racing no matter where the
throttle lever is. After running for 5-10 minutes, it quiets down and runs like its old self. Any ideas would be most appreciated. Thanks




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Chris

02-04-2001 13:17:44




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 Re: High engine speed in reply to Alan, 02-02-2001 18:31:28  
We run alot of thesse older farmall trators in the winter, you are having moisture build up in the throtle tube between the gov. and the carburator, just take it apart and clean it up, it should end up same as new. if it don't fix it E-mail me back and we will work it out.



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Larry

02-03-2001 05:22:54




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 Re: High engine speed in reply to Alan, 02-02-2001 18:31:28  
I had a Super C that would do the same thing. I assumed that the condensation had frozen the governor linkage internally. I'd hold the throttle rod manually to idle, until it warmed enough to go to idle. After several oil changes, it stopped, and hasn't done it since.



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Dave BN

02-02-2001 23:11:52




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 Re: High engine speed in reply to Alan, 02-02-2001 18:31:28  
If it only happens in cold weather it sounds like a heavey lubricant isn't allowing parts to move freely until the engine warms them up. Try WD40 on the exposed parts. If that doesn't do it then you'll have to look internally for the problem. Dave BN



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Andy Martin

02-02-2001 20:51:05




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 Re: High engine speed in reply to Alan, 02-02-2001 18:31:28  
Never had it happen, but something is sticking the throttle open or keeping the weights from moving. I'd look for moisture in the governer housing first, or a lot of sludge. There may also be something in the tube that contains the throttle rod, between the top of the governer and the carb.

If the governer is not responding I'd be afraid of overspeeding the engine and causing damage.

Like to hear what you find.

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