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Allis Model C

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05-05-2003 18:20:40

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I have a model C and here's the problem - It starts fine but soon starves for fuel and dies. I have rebuilt the card, clean the tank and cleared the fuel line, Gas flows freely to the carb. Whatis the problem?


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Rob (Oh)

05-07-2003 21:27:50

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 Re: Allis Model C in reply to Gary, 05-05-2003 18:20:40  
My "C" was doing the same thing and it turned out
to be the screw that holds the points in adjustment had backed out. This allowed the points
to only open a hair and it would die right away.
Weird but I went through rebuilding the carb and
leaning the fuel lines and even cleaning and sealing the gas tank.

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R Smith Texas

05-06-2003 20:33:20

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 Re: Allis Model C in reply to Gary, 05-05-2003 18:20:40  
Had the same problem on my 44 c.I took the bowl off of the tank and removed the valve and found 2 good sized pieces of debri that was blocking the fuel before it ran but wouldnt hardly pull itself along.Now no problem.

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05-05-2003 19:53:26

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 Re: Allis Model C in reply to Gary, 05-05-2003 18:20:40  
if it starts right back up, then it is fuel related. maybe you have a manifold gasket leak and sucking in air, and not pulling fuel? maybe the air filter is plugged and not getting proper fuel ratio?? ar you sure there is proper flow thru the carb, and the bowl has fuel in it all the time? sediment bowl pluggage, tank crud, and blocked lines are always the first place to look, as you said.

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Steve in N.J.

05-05-2003 18:43:52

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 Re: Allis Model C in reply to Gary, 05-05-2003 18:20:40  
Gary, If you know for sure that it's a fuel problem, maybe the floats are set to low. If it's not a fuel problem, it could possibly be an ignition problem. Check the mag switch (if so equipped) points, condenser,etc. Hope you find yer' problem....
Steve/B&B Custom Circuits

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Phil Auten

05-05-2003 18:35:19

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 Re: Allis Model C in reply to Gary, 05-05-2003 18:20:40  
Try loosening the fuel cap and try it again. Had this happen to my B which had a replacement cap without a vent. If you have an original cap, the vent may be plugged and eventually the tank gets a vacuum pulled on it.


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