Re: Farmall BN charging system

Posted by Bob M on November 30, 2006 at 06:21:41 from (151.190.254.108):

In Reply to: Farmall BN charging system posted by BobOHIO on November 29, 2006 at 19:53:47:

Bob - A couple comments:

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1 - My experience has been causes no harm to run the tractor with the stock 6 volt generator system without the battery connected. I’ve run them batteryless for as long as a couple hours with no apparent ill effects.

On the other hand I DO NOT recommend it! The tractor depends on the battery to ballast/stabilize the electrical system – it’s uncertain to me what’s going on inside the regulator under these condition. I'd rather gamble the $40 or so for a replacement regulator on something else!

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2 – Unless you can put your BN under load and bring the engine up to full operating temperature for ½ hour or more, my recommendation is to not start it at all over the winter.

Periodically starting, then idling without load results in buildup of combustion byproducts (moisture, acids, etc.) inside the engine. Better to simply let it sit unstarted all the winter.

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FWIW except for my snowplow tractor, all mine winter over in an unheated shed from mid-December until late April here in chilly western NY. I leave the batteries in and connected. And the tractors always fire up without so much as a battery boost once warmer weather returns.

Simply top off the gas tank and treat it with fuel stabilizer, then run the carburetor dry when you park for the winter. Pull the battery if you wish and store it in a cool, dry place. But my experience is this step is unnecessary as long as the battery is fully charged when the tractor is put away.

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