Posted by T.C. in TX on September 04, 2007 at 16:29:40 from (71.42.188.84):
I recently purchased an old Allis-Chalmers M-100 Motor Grader. Noticed the amp-meter reads discharge instead of charge when the engine is running. Checked the batteries--sure enough they are hooked up with a negative ground.
According to the manual this is supposed to be a positive ground system. Question is what do I need to do other than reverse the cables? It is a 24 volt system with 2-12 volt batteries connected in series. Looks like the batteries are fairly new and I do not know how long it has been running with the electric system reversed. The machine has a generator and voltage regulator which are likely original equipment.
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
... [Read Article]
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