Engine surges
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Posted by Warren Hiskett on April 25, 1998 at 21:58:42:
My Allis Chalmers D-14 hadn't been started all
winter, so I drained the fuel, and replaced with
fresh gasoline. New plugs, points, cap, rotor,
condensor. I also converted it to 12 volt neg
ground. So it also got new coil and ballast
resistor. I cleaned the oil-bath air
cleaner thoroughly, and refilled with new oil.
It starts great and runs fine. As long as there
is no load on it. After putting a small load on
it (just driving it) the engine will start to run
rough, then start surging. It will speed up,
then slow down. To the point of jerking back and
forth. Anybody have any ideas? I'm stumped.
I've never had problems with the governor before.
Maybe it's not the governor causing it. Any
suggestions would be greatly appreciated.
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