Re: light switch

Posted by ScottyHOMEy on December 18, 2010 at 13:48:02 from (64.222.203.67):

In Reply to: Re: light switch posted by Faster346 on December 18, 2010 at 12:42:50:

rustyfarmall spelled it out but, to put in in a different order . . .

The only position that was low charge was the L position. H and both the D(im) and B(right) all three were high charge. Any time you were burning lights, you would be connected to the high charge rate.

As for the L and H positions, those were both without the lights running and the operator was basically the human voltage regulator. For the most part, L would actually have been the most used position.

If I were firing up the tractor one fine summer morning to head out for a full day of cultivating beans, I would select the L(ow) charge rate. With a magneto, there would be no draw on the battery at all after starting and to drive the full charge rate for a ten-hour day of cultivating would go a long way toward boiling off the battery. Even with a battery ignition, the draw is very low and the low charge rate is sufficient to keep up with the ignition demand and also restore what was lost, as teh long as the tractor is up to speed and working.

To choose a high rate, it might be for a short run, say just moving the tractor to put it away. Another scenario might be on a tractor that I was confident of the connections being good and that normally started okay. If it had been sitting for a long time and started hard, I might give it five minutes or so on high before dialing back to low for the rest of whatever I was doing. (Trick there is remembering to dial it back to L!) A third example would be if I was using the tractor for lighting up something I had to work in the dark and out in the field. My choices would be to run the tractor at enough speed so that it was also giving a light charge while running the lights. If I were to see that I had been running at a slight discharge because I didn't have the genny turning at high enough rpms to overcome the load of the lights, I might run it on Hign while I drove it back to the shed. (Again needing to remember to dial it back to Low so I wouldn't accidentally overcharget the battery after the next start.

In short, for me anyway, L(ow) is the default setting, and H(igh) for the odd situation when it's needed.

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