The Voltage regulator adjusts the generator output to limit the charge rate according to the needs of the battery, and lights/electrical loads. It maintains a 7 to 7.2 volt charge rate and will top off the battery, and not over charge it. It also contains a cutout relay that is the same as a stand alone cutout relay. A generator in operation has an almost direct link to the battery negative and to ground on its frame. As long as it generates more volts than the battery it is happy. If the idle is low, or lights are on at low speeds, or the engine is off, the generator would be a direct connection to ground and thus in short order it would overheat and burn up. It would draw as much or more than it can produce. It is thus necessary to disconnect it as soon as its voltage is less than the bat voltage. The cutout does this, preventing excess discharge. The voltage regulator sees gen output, and varies the F terminal path to ground. From full ground max output, to just keeping up with a light demand, it senses the needed voltage, and grounds the F terminal appropriately. This grounding (on this A type system) is the only way the field is energized, it is fed voltage inside from the third brush, or from the Arm terminal to get its power source. Jim
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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
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