Ariens 5524 runs rich - altitude jet?? - Snowblower Forum : Snow Blower Forums
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post #1 of 2 Old 03-30-2019, 04:02 PM Thread Starter
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Ariens 5524 runs rich - altitude jet??

I have an Ariens 5524 with a Tecumseh 5.5 HP snow king engine. When it was new, a couple of presses on the red bulb and It would easily start. Now years later, with a cleaned carburetor, it runs, runs rich. It will only start with the starter motor. If I press the red bulb, it is flooded and takes a while to start. It only runs with the choke full off. When you turn off the engine, you can see some gas spray out of the air intake.

I am at 5200 ft altitude. I was wondering if this was my problem or is there something more obvious. Also I checked and the manual says the jet is good to 7000 ft altitude, and they don't suggest the part number for the high altitude jet. (The jet is marked 153 and is part# 640131.
Any help would be appreciated.
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post #2 of 2 Old 03-30-2019, 05:06 PM
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Is the float OK? Still sealed up, no gas sloshing around in it, if you remove and shake the float? I guess it's possible that somehow your jet size opened up, but it wouldn't have been my first thought. How did you clean the carb, or more specifically, the jet?

If the float has leaked (sloshing gas in it), it will sit low, and you'll run rich. So that's something maybe worth checking. My Tecumseh also had a procedure to check for the proper float height setting (separate from stuff like a leaking float). Something not sitting correctly, causing an incorrect float height, could also contribute.

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