Tecumseh Carburetor 640052 - Snowblower Forum : Snow Blower Forums
 
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post #1 of 6 Old 02-08-2015, 07:00 PM Thread Starter
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Tecumseh Carburetor 640052

Having issues with Toro snowblower staying on. I have cleaned the entire carb. It will run fine after cleaning for approx 15mins then eventually stalls. Now having a hard time to start again - only starts if the choke remains on - then will stall after a few mins.

Any thoughts or advice?

Has anyone else had issues with this model - Tecumseh Carburetor 640052

thanks
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post #2 of 6 Old 02-08-2015, 07:07 PM
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hello toro826, welcome to SBF!! what is the serial number of your machine, post a pic or two of your machine also if you can

current machines
1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
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post #3 of 6 Old 02-08-2015, 07:11 PM
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Welcome to the Toro Hangout on SBF!

You have a lean condition...starving for fuel. Blocked bowl vent, bad gas cap (also has a vent), collapsing fuel line, clogged fuel filter are some of the common causes.


Also, how did you clean the carb? Full tear-down & soak?


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post #4 of 6 Old 02-08-2015, 07:31 PM Thread Starter
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followed this

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post #5 of 6 Old 02-08-2015, 08:55 PM
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That guy's a cowboy! he does a good job explaining the various components.

I personally prefer full disassembly including welch plug removal, soak in a gallon can of carb cleaner, rinse in hot water then blow out all of the passages with compressed air. I dread using aerosol carb cleaner.

With that said, see if loosening the gas cap brings the machine back to life when it starts running rough.

Also is yours an emission / fixed-jet carb? If it is an adjustable jet, have you tried opening the main jet a bit?
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post #6 of 6 Old 02-08-2015, 08:59 PM
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oh and +1 on the pics
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