That brings back memories from my early years spring plowing at night! ---- Even in perfect condition those generator systems were marginal for working long hours in the dark. A few things we did to help run thru the night: 1 - Douse the lights at the end of each round (eg. when traversing the headland) to give the generator a moment to charge the battery. 2 - Operate the lights on the D(im) setting when possible. This provides BARELY enough illumination to see ahead. Yet the still brightly lit rear light provides adequate illumination of the implement. 2 - Fit the shortest fan and generator belts you can find, and run the belts as loose as possible without them slipping. This permits opening the adjustable fan and gen pulleys as far as possible, thus spinning the generator as fast as possible. 3 - Remove the commutator dust band from the generator so it runs cooler. (The hotter the generator internals the LOWER it's output). This however shortens brush/commutator life under dusty conditions.
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