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Carburetor float help!!
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Posted by Andrew Kopel on June 11, 2004 at 06:14:18 from (12.2.73.20):
I have a Farmall 350 that has a carburetor that decided to start flooding out the engine about a month ago. In other words if I don’t shut off the fuel line to the carburetor in about 2-3 minutes there are puddles in the bottom of my intake air line and the tractor will not start. In my attempts to do things right I took the gas tank off and cleaned it out, replaced both filter elements (at the sediment bowl and at the carburetor), and took apart the carburetor and cleaned it out. When I tore apart the carburetor I installed a new float needle and float seat along with all new gaskets. I also checked the float for leaks (the carb bowl was full of gas for 5-6 days before I disassembled the carburetor and there was no liquid inside of it). I checked the adjustment on the float and it was at 1 5/16” and also insured that the float was not rubbing on the walls of the bowl (the archives were very helpful). Yesterday, after purchasing a new throttle adjustment needle (because the old one was bent) I put everything back together, turned on the gas, and started it up. It ran, but it ran extremely rich, which is understandable because I hadn’t adjusted the needles yet. I shut the tractor off and quickly installed a new temperature gauge so I could be sure that the engine was warm before I adjusted the carburetor. Two minutes later I tried to restart the tractor unsuccessfully and discovered that once again the carburetor flooded out. Cussing silently to my tractor (I just had my first kid, a five week old girl, so I am working on becoming G-rated) I tore into the carb, and found that everything was exactly as I left it. I believe I have gone as far as I can with out enrolling the help of the experts and less frustrated individuals. Does anyone have any suggestions on what to test or try next? Thanks in advance, your responses are always helpful. Andy
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