Re: Farmall A Carburetor

Posted by Janicholson on January 22, 2007 at 09:43:22 from (199.17.6.122):

In Reply to: Farmall A Carburetor posted by Brad in TX on January 22, 2007 at 09:11:47:

The piece missing may be flow. The fuel needs to flow out of the needle and seat in the float chamber about a 1/8" stream. If it does this it has supply. If not it is plugged some where. just above the seat is one place, in the fuel inlet to the carb is another, and finally the sediment bowl and screen , and pickup tube.
If it flows there, it may have plugged up main jets in the carb, low float level, a broken off part of a jet pickup tube, or an air leak at or beyond the carb to the head. any of these can cause the problem. If you suspect an air leak searching for it with an unlit propane torch can be useful (do it outside and be careful)pass the unlit torch nozzle around on the gaskets and intake manifold while it is running. If the speed picks up, you have a leak. Good luck, keep posting until it is fixed. JimN

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