Posted by ScottyHOMEy on November 29, 2009 at 12:12:33 from (70.105.244.108):
In Reply to: Re: farmall c carb posted by jim from az on November 29, 2009 at 11:42:34:
1) It sounds like it's flooded so don't expect it to start and run in that state. Are your plugs wet aftr cranking? That would confirm the flooding issue. From thee, you could change plugs and let it all sit and air out and start back in with very little choke.
2) The idle adustment screw won't do anything until it's running, and then will only even out the fuel at idle. The load fuel in those carbs is all regulated with the routing and relative size of the ports machined into the carb.
3) The float doesn't DIRECTLY control the amount of gas to the engine. That's done with the load porting and idle screw. What it does do is regulate the amount of fuel available in the bowl for them to do what they do.
4) A good float and needle will keep gas from flowing uncontrolled from the tank, even with the tractor off and the valve on the sediment bowl left wide open. So . . . a) is your float good? Good means that the bulbs are hollow AND empty, no pinholes. If they develop holes and allow fuel to get inside them they won't float and do their job. You can adjust to a faretheewell, but if the float won't float . . . b) Are you making your adjustment from the face of the gasket, not just the bare carb body? c) Are the needle and its seat in the carb both in good shape and absolutely free of anything in the way of gum or the least fleck of anything that would block the tip of the needle from seating.
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