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Carb Problem ,long

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Pitch

09-05-2001 02:36:29




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I have been having problems with my normally great running '49. It all started when it was stumbling after running for a while, since I had'nt used it for a couple of weeks and the gas was only about 1/3 I figured water in the gas so I put in a bottle of dry gas and it seemed to do the trick. couple days later I started her up and she only ran for about a minute and quit with no restart. This past weekend I started messing with the carb and pulled the bottom drain plug out and only got a few drops of gas,so I took the carb off and opened it up thinking float problems. I found that the triangular pin under the float would not fall out when the body wes turned upside down. anyway I cleaned and reassembled and the machine ran fine for the rest of the day. The following day I had the same problem it would run long enough to empty the bowl then quit. I shot a spray of ether into it and it fired on the ether.
This "float pin" has a rubber tip on it and my theory is that the dry gas softened it enough to cause it to adhere to the it's matng surface.
Does this idea make any sense or am I way off base here? I have two old cargs needeing rebuilds and they both have solid brass pins (no rubber tip) If i put one of these in what are the odds that it would seat properly?
sorry for being so long winded here.

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Jeff in Tn '47 2N

09-05-2001 11:09:39




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 Re: Carb Problem ,long in reply to Pitch, 09-05-2001 02:36:29  
If you do rebuild the carb, the kit comes with a little curled wire/spring that connects to the groove on the needle and then slides over the flat metal on the float. What this does is when the float goes down it pulls the needle down with it. This wire/spring was not on mine when I tore it down, I will say that was most of my problem. The best I remember, the instruction sheet does not show how this hooks up. You may have to get someone who is familiar with this if you have not seen one before.

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Dan

09-05-2001 18:32:55




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 Re: Re: Carb Problem ,long in reply to Jeff in Tn '47 2N, 09-05-2001 11:09:39  
I had a similar problem , and found that a bottle of 'gum' removing juice from an auto parts store (UAP) solved the problem on two tractors ,Cockshutt 30 and a 9n .

Try it --- you will like it .



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bj/8N/mt

09-05-2001 07:50:03




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 Re: Carb Problem ,long in reply to Pitch, 09-05-2001 02:36:29  
the trouble you describe is also consistent with a clogged fuel screen. the thing had three when it was new and if any of them are clogged bad enough to restrict flow it could cause what you describe. one on top if the shut off in the tank; one on top of the sedimant bowl in the shutoff; one in the carb elbow. I would at least look hard at all three.

Your mileage may vary



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Jeff in Tn '47 2N

09-05-2001 04:11:15




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 Re: Carb Problem ,long in reply to Pitch, 09-05-2001 02:36:29  
The triangle pin is called the "needle" and the tube it goes in is called the "seat". I had the same problem when I bought my tractor last month. I rebuilt the carb and she purrs and runs like a kitten. Carb kits are cheap and very easy to install, instructions come with the kit. Hope this helps.



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