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Oil Can Mechanic
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Oil Can Mechanic
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Will the generator be damaged if the battery becomes disconnected while the engine is running (I have a fuse in the circuit, will it blow the fuse first)?
ron
ron
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If I remember correctly, years ago, I disconnected the battery with the engine running and it did not damage the generator and the car kept running on the output from the generator. I don't think it will hurt the generator.
Ed
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I agree. Did that more than once.
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I have never damaged a generator by disconnecting whilst running, dont know of any alternators either for that matter. Admittedly I dont make a practice of it either just in case I get caught. Tony
1938 1/2 ton Hope to drive it before I retire
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Oil Can Mechanic
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I posted this question on another website and the majority response was that it will do no harm: So which is it, can't be both, either it definitley will damage the generator or it will not. Guess I'll just try it out and find out for myself. I thought someone would know for sure.
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Oil Can Mechanic
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Thanks Dog. The generator (old North East) is in an old FWD truck and not connected to any electrical except the starter. The generator has a fuse on top and was wondering what would happen if the fuse blows or becomes disconnected from the battery. I'd never find another one so didn't want to worry about burning mine up in case something became unconnected.
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Generators that regulate output with a properly wired and adjusted third brush are not as likely to "run away" and destroy themselves. With a voltage regulator that might not be the case.
How Sweet the roar of a Chevy four!
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The Mangy Old Mutt
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That is what I was trying to get people to understand. The 3rd brush limits the amount of power to the field coils and therefore output. Output = heat that can overheat the generator. That is particularly the case for the early non-ventilated versions.
How Sweet the roar of a Chevy four!
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