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Re: Farmall M running poorly after warming up
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Posted by Tom on December 15, 2003 at 04:07:11 from (198.108.134.88):
In Reply to: Farmall M running poorly after warming up posted by Jeffrey C. Evans on December 14, 2003 at 14:13:58:
Jeff, Had this same problem with an Allis-Chalmers combine engine. I kept looking at the fuel system, but the problem was the coil in the magneto. As soon as it got hot, it would fail. Thinking it was a fuel problem, I would remove the carburetor in the field, clean it, check screens, etc. By the time I did all this the coil had cooled some and the engine would restart. Run for a bit and then quit. I replaced the coil in the magneto several years ago and haven't had any trouble since. Don't know if your SM has a distributor or mag. Ours has a distributor. Anyway, as other posts indicate - the problem is fuel, air or spark and your job is to track it down! Isolating the trouble can be frustrating - suggest you work on one system at a time. Good luck. Keep us posted. Tom
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Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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