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Allis Model c stops |
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kd8ajc ![]() Bronze Level ![]() ![]() Joined: 26 Jun 2013 Location: Kalamazoo, Mich Points: 6 |
![]() ![]() ![]() ![]() ![]() Posted: 03 Aug 2016 at 4:17pm |
I have a 1947 Allis Chalmers model C that was my Grandfathers. It began acting as if the idle kept getting slower till it stopped. I have rebuilt the carb and it will run from 45 seconds to 2 mins then slows down as if someone is pulling the idle till it stops. I have been told this is a float issue so I put the original float back in and it runs a little longer. What else could this be? I have a Zenith carb and the float valve seems to work fine. Could this be a sticking throttle shaft? I have done nothing with the governor. Could the thrust bearings in the governor be bad?
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DougS ![]() Orange Level ![]() ![]() Joined: 03 Nov 2011 Location: Iowa Points: 2490 |
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I agree.
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Dick L ![]() Orange Level ![]() ![]() Joined: 12 Sep 2009 Location: Edon Ohio Points: 5087 |
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More than likely it is a fuel obstruction somewhere between the bottom of the tank to where it leaves the carburetor. I would either remove the sediment bowl from the tank and clean it first and blow thru the gas line from the carburetor end. The only true way to clean a carburetor is to soak it in a basket of carburetor cleaner. For that size of carburetor they sell a gallon can with a basket. I personally boil any carburetor I am cleaning before I take it apart. Some times I boil it again if it is real cruddy before I soak it in the cleaner. The carburetor cleaner in a spray can will not do what is needed. It works best to clean your hands or the outside of a carburetor while using a wire brush. ![]() |
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kd8ajc ![]() Bronze Level ![]() ![]() Joined: 26 Jun 2013 Location: Kalamazoo, Mich Points: 6 |
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Thank you and I will try that out. James
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