Posted by Rudi on May 12, 2009 at 17:55:02 from (99.252.48.17):
In Reply to: cub lo-boy posted by kennedy on May 12, 2009 at 08:29:06:
kennedy said: (quoted from post at 08:29:06 05/12/09) I have a cub 154 lo-boy tractor that the carburetor has been rebuilt twice and I still have gas pouring out of it when I put it on the tractor and try to start it. Please help!
Well you have a choice, the carb is either a 3/4" Updraft or a Zenith. If it is the 3/4" updraft.. then you need to rebuild it again. Pay very close attention to the float, the float hinge and the needle/cage. Something is sticking. It could be something simple as dirt in the tank, migrating into the fuel sediment bowl and into the carb via the inlet especially if the screen is either damaged, tilted and not seated properly or missing entirely. It is important that when fuel issues such as this are causing problems, that the WHOLE circuit is checked for faults. This includes working back to the gas tank. A little bit of dirt could easily cause the needle to stick open. Also a bent tang coule keep the float open as well.
THere is a PowerPoint Presentation on my Cub Manual Server .. and so is the links to either Microsofts Power Point viewer or IE View for FireFox. Do read all the links on the Lurker Carl's Cub Carb Fixes page.. you will be glad you did. Also, if you have the Zenith, much of the principles will remain the same although it is a different carb.
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