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03-01-2016, 12:27 PM | #1 |
Senior Member
Join Date: Nov 2010
Posts: 260
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6 volt regulator kerfuffle
I seem to have recurring regulator problems. Most where caused by a 6 volt generator on steroids! However I need someone to explain this to me:
I can "jump" the generator (armature to field) and the generator makes 8+ volts quickly. In addition, it will run when the battery is disconnected...until I remove the "jumper" then it dies immediately. Why does the engine die when running thru a "suspect" regulator but not when jumped? I just don't get it! Comments appreciated, Thanks gene |
03-01-2016, 02:25 PM | #2 |
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Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: 6 volt regulator kerfuffle
The Ford manuals list a number of voltage regulator test, have you performed these yet? A jumper from Armature to field would by-pass the voltage limiter, so it is possible that the voltage limiter is not working. The engine should run off of just the battery, so if the regulator is killing the engine it must be shorting out the ignition circuit.
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03-01-2016, 07:45 PM | #3 |
Senior Member
Join Date: May 2010
Posts: 2,871
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Re: 6 volt regulator kerfuffle
Some kind EV8 Fordbarn soul posted a great old time primer by Standard Parts on regulator components, and how they work. Do a search you will probably turn it up.
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03-02-2016, 07:07 AM | #4 |
Senior Member
Join Date: May 2010
Location: Melbourne Australia.
Posts: 2,076
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Re: 6 volt regulator kerfuffle
Hi El Rat, If you connect the field terminal to the armature terminal and rev the engine a little, then disconnect the battery and the engine still runs then the ignition is being powered by the generator. This is a farm yard test to prove if the generator is working but not a good or recommended test. Linking the field and armature terminals at the gen or v/reg bypasses the voltage and current controls inside the reg. The cut out inside the regulator box still operates. There are laid down procedures for testing and adjusting generators and regulators and disconnecting the battery while the engine is running is not one of them. Does the ammeter show some sort of a charge when you rev the engine up ? More specific info on your problem is required. Regards, Kevin.
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03-02-2016, 11:42 AM | #5 |
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Join Date: Nov 2010
Posts: 260
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Re: 6 volt regulator kerfuffle
Hi gents...
Appreciate the feed back. I pretty much know all of the "tests" I just thought it interesting that an engine with working dynamo would die instantly when the arm/field jumper was removed and the battery disconnected. I am someone who "gots to know" regardless some Fordbarn 6 volt regulator genius will comment. Thanks Gene |
03-02-2016, 11:55 AM | #6 |
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Join Date: Jun 2010
Location: San Antonio, Texas
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Re: 6 volt regulator kerfuffle
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