Flash your battery

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When somebody says to, "Flash your battery". What does that mean and when and how do you do it? 

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Rog(NCWI) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Aniwa.WI Points: 243	Post Options Post Reply Quote Rog(NCWI) Report Post Thanks(0) Quote Reply Topic: Flash your battery Posted: 08 Sep 2017 at 8:26pm
	When somebody says to, "Flash your battery". What does that mean and when and how do you do it?

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MACK Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 17 Nov 2009 Points: 7664	Post Options Post Reply Quote MACK Report Post Thanks(0) Quote Reply Posted: 08 Sep 2017 at 9:45pm
	Do you mean flush? MACK

Eldon (WA) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Spokane, WA Points: 7765	Post Options Post Reply Quote Eldon (WA) Report Post Thanks(0) Quote Reply Posted: 08 Sep 2017 at 10:04pm
	Maybe flash your voltage regulator??
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DougS Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 03 Nov 2011 Location: Iowa Points: 2490	Post Options Post Reply Quote DougS Report Post Thanks(0) Quote Reply Posted: 08 Sep 2017 at 10:07pm
	The closest thing I can think of is "equalize your battery." Some chargers will do this. Usually this is done when you have a bank of batteries. I've never seen it done on a single battery.

Gerald J. Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Hamilton Co, IA Points: 5636	Post Options Post Reply Quote Gerald J. Report Post Thanks(0) Quote Reply Posted: 09 Sep 2017 at 9:06am
	Flashing a generator is usually done at the voltage regulator. Its important to do that if the tractor has set several months or the generator has been to a service shop or is new to the tractor. Flashing establishes a residual magnetic field in the field poles so the generator builds the polarity to match the battery. Sometimes without flashing the generator won't build at all. When tested at the generator shop they may have tested it with the opposite polarity of your tractor battery and left the wrong polarity residual field so it builds wrong and can kill the regulator cutout section when it tries to charge with the wrong polarity. Generally flashing is done by temporarily connecting the B and A terminals on the regulator or cutout with a wire for a couple seconds. There often is a spark when the connection is broken so the technique is called flashing. Flashing should always be done before starting the tractor whether with a tested, rebuilt, long stored, or new generator. Flashing doesn't affect the regulator, just the generator. Its not effective with an alternator and not needed. Gerald J.