Posted by Crazy Horse on November 28, 2012 at 06:04:28 from (108.173.38.154):
In Reply to: Generqtor differences posted by charlie M on November 28, 2012 at 05:42:32:
I believe that current adjustment on a 3rd brush generator is adjusted by the postion of the third brush. There should be a screw on the end plate of the generator which when backed off, allows you to move the third brush one direction or the other to adjust the current flow. On 3rd brush generators, what some of us refer to as the "voltage regulator" isn't really regulating anything at all, it's just a cutout relay tower which, when the tractor is turned off, opens a set of points which stops the battery from discharging through the generator. The charge rate of the battery is actually controlled by the "light switch" which usually has a normal charge position and a full charge position (and then a 3rd or 4th position for the lights when in full charge). If the switch has 4 positions, then the 3rd to 4th difference is low beam and then high beam. I think I'm correct on all of this, but I'm no electrical expert.
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