Question about Coleman Electrical Supplies
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Posted on Jan 02, 2017
You're both right to think that these engines were not intended to work at extreme low temps and that's a factor here.
The dry black soot on the plugs is probably just oil getting into the intake thru the breather, maybe check the air cleaner.
On some of the generators I've worked on there was a small plate in the air cleaner cover that slightly restricted air flow into the carb for low temp operation. Both of you might want to try getting a cardboard box quite a bit larger than the generator, cut a couple of holes in it to let exhaust out, and put it over the generator so that the air going into the intake gets heated a little bit by the engine. You'll want to monitor the generator pretty closely so I wouldn't recommend this overnight. You both should also be extra careful about the right amount of oil in the sump and changing it more often than usual.
My thoughts are with you folks,
Posted on Dec 15, 2008
Fresh fuel? Does carburetor have adjustable jets? Turn the high speed jet (at bottom of float bowl) about 1/4 to1/2 CCW (looking at bottom of bowl). If no improvement, carburetor should be torn apart and cleaned. This also applies if there are no adjustable jets. Is there a fuel filter anywhere?
Posted on Jul 14, 2009
Not sure about the "extra jet" on te side of the carb without a specific model, but running smoothly with half choke indicates that your mixture is lean. Choking it richens the mixture.
The extra jet may be your idle stop, or it could be the idle mixture adjustment.
Posted on Jun 29, 2010
Hello, I would check the carb for being dirty inside. It sounds like the needle valve is dirty, or not adjusted correctly, or there is rust in the carburator and any of these can cause the fuel not to feed into the engine properly. A good cleaning of the carb and proper setting of the needle valves should clean it up. Also check the screen in the fuel tank on the fuel valve.
Posted on Jan 22, 2011
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