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Farmall & IHC Tractors Discussion Forum
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1941 H carborator flooding.

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Dave Phillips

06-09-2007 17:22:43




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Several years ago I had my 41 H completely redone. Recently I have been having problems with my carborator flooding. There was a new carborator kit installed when the tractor was done. After taking the carborator off and inspecting the needle and seat, I discovered that the neopreme tip on the needle had a groove in it. I was told today that this is caused by the poor quality of gas on the market today. I have a new needle and seat to install, but don't want to encounter the same problem. Will adding a lead additive to the gas help? Are there solid metal needles availiable to install? This tractor was originally set up with the extra tank to burn kerosene.

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Aaron B

06-09-2007 17:33:12




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 Re: 1941 H carborator flooding. in reply to Dave Phillips, 06-09-2007 17:22:43  
Are you sure the 'groove' is not just the tip developing a memory from sitting too long in the closed position? I doubt that a lead additive will help this, as the lead is intended to lubricate the valves. I am not aware of any manufacturers of solid metal needles, but that doesn't mean they don't exist. Personally, I would just install a new needle, and if it begins leaking again for the same reason, then I would begin to worry. I have not had any problems like this, running regular or ethanol thru my tractors, so it is possible you just got a defective needle. Good luck!
Aaron

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Dave Phillips

06-09-2007 19:09:33




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 Re: 1941 H carborator flooding. in reply to Aaron B, 06-09-2007 17:33:12  
Thanks for the info. I don"t mind installing the new needle and seat, but would like to solve the problem. The needle and seat I took out leaked like a sieve. We had this tractor for over 20 years without any carborator leakage. Unfortunately the old needle and seat could not be found. The guy that restored my tractor told me that this is an on going problem with these needle and seats. Mybe I should try and locate an old carborator and hope I get a good needle and seat. I was also told to adjust the float by inverting the carberator and adjust the float level by adjusting so it is level. Please advise. Thanks again.

Dave P

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CNKS

06-09-2007 19:38:42




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 Re: 1941 H carborator flooding. in reply to Dave Phillips, 06-09-2007 19:09:33  
The level upside down float is more or less correct, I forget the exact spec. A lot of people blame everything on the gas -- not true -- the carb and the needle don't care. Get your parts from Case-IH. It shouldn't flood unless it is in really bad shape. Start it without the choke, or very little choke, or it will flood, good needle and seat or not, and turn off the gas when you shut the engine off for any period of time.

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