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Farmall & IHC Tractors Discussion Forum
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????CARB ADJUSTMENT FARMALL M AND A???????????

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lumberman

05-10-2005 05:49:55




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2 Guys I work with are each having carb trouble on
their Farmalls. The one is a 53 M that won't run without the choke on. He put a carb kit in and lots of hours. Starts and idles awesome but won't
run without choke.
The other is a 47A with exactly the opposite problem. He has to pull start it because it floods
so easy. He paid a shop to rebuild it and his tractor started great 1 time and only 1.
I know there's someone out there with some ideas and I thank you in advance for any information!!!! Have a great day- lumberman

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RustyFarmall

05-10-2005 07:06:15




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 Re: ????CARB ADJUSTMENT FARMALL M AND A??????????? in reply to lumberman, 05-10-2005 05:49:55  
Actually both tractors are suffering from the same thing. It just affected them differently. The problem is rust, crud, and varnish in the fuel system. With the A, a tiny speck of rust has become lodged in the needle valve and seat in the carburetor, and the needle valve cannot shut off the flow of gas. The remedy is to take the carb apart and clean the needle valve. With the M, there is so much crud that it has just about totally blocked the flow of gas. Start by cleaning the sediment bowl located under the tank, there is also a fine screen filter in the inlet of the carb. If you still don't have a good flow, Drain the tank, completely remove the sediment bowl assembly from the tank and clean it thoroughly. Also, use a flashlight or something and take a real good look into the fuel tank itself, might scare you when you see what's in there.

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J.R. in Pennsylvania

05-10-2005 05:57:51




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 Re: ????CARB ADJUSTMENT FARMALL M AND A??????????? in reply to lumberman, 05-10-2005 05:49:55  
The M can have many causes to why it is not running. I would check all setting and run a can of seafoam in it ans see if it improves - if not, open it up and look inside. for the A - sounds like the float level is too high



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