Airmaster Flyer
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- Joined
- Dec 29, 2022
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- 6
My Snapper 422 snow thrower with a Tecumseh HS 40 engine was working but acting as if it was too rich and using fuel much faster than it should. First thing I found was that the fuel supply hose had a slit in it. Replaced hose, but engine was still not working properly. It would start, and then begin acting as if it was too rich, and shut down. So I decided to check out the carb. Removed it, cleaned it and checked all settings. Float floated, and when I blew through the "fuel in" port, and pushed up on the float, it sealed. Put it back on the engine. It started immediately, but then bogged down and quit. With the engine off, fuel would drip out of the choke end of the carb. Obviously the needle and seat were not shutting off the fuel. After messing around with it off and on for about two weeks, I purchased a new carb. Works great. Snow thrower starts immediately, and seems to run well, except that at full throttle, it begins to miss a little. If I reduce the throttle slightly, it smooths out. Maybe too rich at full throttle? But the new carb does not seem to have an adjustment for the mixture. No adjustment for the idle mixture either:
Is there a way to adjust this type of carb? Perhaps I can remove the adjustment screw from my old carb and install it on the new one?
Thanks for any help, Bob
Is there a way to adjust this type of carb? Perhaps I can remove the adjustment screw from my old carb and install it on the new one?
Thanks for any help, Bob