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Clooney
01-27-2002 05:31:11
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Re: Re: Re: Clooney - Anyone - Can you improve on Deere design?? in reply to Wayne in Tn. ---- ------Clooney------, 01-26-2002 19:06:48
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Wayne, the idle screw on the TSX series carb is actually an air adjusting screw (not fuel like on the DTLX) try setting it at 1-1/2 to 1-3/4 out & see if the smoke goes away, if it does then you have other problems that require a richer idle setting like leaking throttle plate, leaking throttle shaft seals, vacuum leak, too low an idle, plugged or restricted idle passage lower jet/orifice>>>(in bottom of vertical idle passage where it enters main nozzle chamber), plugged or restricted idle jet>>>> (in upper casting at bottom of idle passage), plugged economizer passages>>>(in upper casting at float bowl or the hole into throttle bore), plugged or restricted primary idle orifice>>>(upper most little hole in throttle bore) , incorrect fuel level, damaged end on idle air screw due to over tightening, or some other reason the engine needs a rich idle mixture such as poor spark, incorrect ignition timing, low compression, leaking valve guides etc.
~If you are trying to get the engine to idle too low it will take a richer idle screw setting to do so & that will leave the mixture too rich at higher idle & mid range conditions.
~If you are running an all-fuel tractor on gasoline they don't usually run as clean due to lower compression & different carb passage/orifice sizes.
~If you still can't get it to run clean after checking the above, post back or E-Mail me & when I get home later I will try to locate & scan you a picture of the carb passages & internal cutaway of the TSX carb. (If I can find it?, sometimes I have to wait until I'm looking for something else to stumble across what I looked for the day before & couldn't find)
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