How can I keep my 2N carburetor from icing up when I'm plowing snow and killing my engine. My 2N is hard enough to start in the cold weather, I have to heat the carburetor and manifold with a lamp to get it started. I don't want to get out in the cold, have the carb ice and the engine die and then try to start it. Too hard to get it back to the pole barn with the front loader on it and the rear blade down and if the engine isn't running I can't raise them.
- Thread starter wsmm
- Start date
Ultradog MN
Well-known Member
- Location
- Twin Cities
The air is not dirty in the winter when the snow covers everything.
I ran this tractor all one winter for moving snow without an air filter. Was concerned at first about sucking dirt into the engine so for a test I taped a dust mask over the air intake.
Photo shows the dust mask after about 6 hours of use. It had negligible dirt on it.
I think you could pretty safely remove the air tube to the carb and fashion some kind of a tent as Den called it to suck air from around the exhaust manifold. That would keep the carb from icing on you. Just replace your air tube when it starts warming up again.
You can buy a disposable roasting pan at the super market or dollar store. They are made out of a heavier thickness of aluminum than foil but can still be easily cut, bent and molded to fashion a tent. It doesn't have to be pretty. Just something to draw in warm air.
I ran this tractor all one winter for moving snow without an air filter. Was concerned at first about sucking dirt into the engine so for a test I taped a dust mask over the air intake.
Photo shows the dust mask after about 6 hours of use. It had negligible dirt on it.
I think you could pretty safely remove the air tube to the carb and fashion some kind of a tent as Den called it to suck air from around the exhaust manifold. That would keep the carb from icing on you. Just replace your air tube when it starts warming up again.
You can buy a disposable roasting pan at the super market or dollar store. They are made out of a heavier thickness of aluminum than foil but can still be easily cut, bent and molded to fashion a tent. It doesn't have to be pretty. Just something to draw in warm air.
OK. I was wrong. Sort of. We got rid of that truck in 1993 which was before the merger of Exxon/Mobil. I swear that Mobil's premium was called "Super" in those days. I believe Exxon called theirs "Supreme". I see they're both called Supreme now. I haven't bought any premium gas since those days. But it did the job.
Carb icing on gas tractors is a standard problem here when it gets near freezing. Best solution is some kind of heater arrangement off the exhaust manifold, but it may still ice when warming up on a bad day. Once working it doesn't take much to make it happy. Barring that you can head to the shop as soon as you feel it loosing power and take the heat gun to the manifold. If you have a cold manifold it gives more power but a heated version is needed in the winter. I doubt that changing fuels will make a difference. It's the moisture from the air that is freezing up.
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