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Farmall & IHC Tractors Discussion Forum
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Re: Farmall A Runs and dont

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Author  [Modern View]

04-21-2014 11:32:59

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Two possibilities:

1. The carburetor is screwed up, and you're screwing it up even worse the more you futz with it.

2. The problem is before the carburetor.

Check your fuel flow! Some crud in the tank, or a plugged up sediment bowl, or a plugged fuel line, or no fuel in the tank, or even as simple as the fuel being turned off.

You should be able to take the fuel line off the carburetor and redirect it into a catch can. It should flow a pencil-size stream of gasoline solid for as long as there is fuel in the tank.

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04-22-2014 06:43:10

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 Re: Farmall A Runs and dont in reply to mkirsch, 04-21-2014 11:32:59  
You won't get a pencil sized stream for long. It can only flow what comes through the seat which is a small hole. It should be steady for a long time.

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04-22-2014 09:28:09

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 Re: Farmall A Runs and dont in reply to teddy52food, 04-22-2014 06:43:10  
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The needle valve and seat opening and closing is a function of the gas level in the carb. The flow is regulated by the rise and fall of the carb float. If the flow stops before the carb reservoir fills, then you have a clog in the fuel delivery system; ie the line or the carb passage back to the tank has an obstruction.

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