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Some more carburetor questions


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Posted by JohnV2000 on June 05, 2019 at 14:22:20 from (71.61.100.67):

I noticed that after clearing my fuel line, my tractor seemed to sputter a little bit while idling.

I read though my Super C manual, and it described how to set the idle screw. I turned the idle screw all the way in, then backed it out one full turn, per the instructions. I screwed in the throttle stop screw a little bit so it would not stall at slow idle speed.

I closed the throttle all the way and backed out the throttle stop screw to slow down the slow idle speed to a reasonable level. I also tried adjusting the idle adjustment screw, but no matter how I adjusted it, it would not idle smoothly.

The manual says that a small adjustment of the idle screw should let it run smoothly, but I could not get it. I eventually set the idle screw about one half turn shy of all the way in, and I had to choke the tractor a little bit to get it to run smoothly. Once choking it, it idled smoothly and ran better, but without the choke, it will not run smoothly.

I assume this is another opportunity for me to learn about tractors, and carburetors specifically.

Thanks,

John


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