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Ken/Wa
06-27-2001 23:28:58
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Re: Allis B poor runner in reply to ED, 06-27-2001 21:52:29
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Ed! I have had my little B for about 7 years now. It really runs great, but I have had my share of problems with it. It is my fault mostly because I leave it out side all winter and then try to start it. Always it is the magneto or the fuel. An old Allis chalmers tractor mechanic showed me how to make a test device for my mag by having 4 plugs attached to a metal strip with a device to turn the mag over. Put it in the vice and turn over. Looks so pretty when it is firing. It never is when I put it in there, or I would not be taking it off the tractor. Once you have figured it has spark, look at the fuel. It will half run on water & fuel, I know, becuse every year I go through the same routine. If you have rebuilt the carb, it should at least start. Spray some starting fluid in the breather, if it is a fuel problem, it will fire right up. If the tractor was running good at one time for you, it is probably in time. When I first got my tractor , I found this old mechanic and he told me over the phone to hand crank the motor over till the rotor was pointing to #1 piston ( 11:00 position ). You have to take the top cap off to see the rotor. I have taken the mag off every year this way and just make sure you put it back on with the rotor pointing to the 11:00 position. I would almost bet the mag is the problem. I rebuilt my carb with a minor kit like you did, and it runs great. My Ford *n has almost the same carb- Marvel Schriber, and I have had it off at least 20 times and I still can not get the tractor to run right. I finally gave up and ordered a new carb. I am still going to try and get the old one working at my own sweet time. If your tractor is running, but rough, vacum leaks around the carb and manifold are prime suspects. Check the mag first. There still elec shops that work on mags also. good luck, and let us know what you find out.
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