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3-brush generator on 9N

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Jack B.

04-03-2000 07:27:32




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Can anyone tell me if there's a way to make a 3-brush generator go to full output so I can check to see that it's working properly?

Mine registers about 4 or 5 amps and stays the same all the time. I think this is normal, but would like to know more about them. Is there a site that has info and maybe a schematic?

--Jack B.




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Jack B

04-04-2000 07:31:23




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 Re: 3-brush generator on 9N in reply to Jack B., 04-03-2000 07:27:32  
Thanks for the info. I also found the article on this site. It's got diagrams (Pictures), which are easier for guys like me to understand.

--Jack B.



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Elvy

04-03-2000 16:08:17




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 Re: 3-brush generator on 9N in reply to Jack B., 04-03-2000 07:27:32  
If it is a three brush generator, there is a slotted, High/Low adjusting "screw" on the rear cover. It moves the third brush inside the generator. Turn it with a blade screwdriver. Do not force it past the stops (1/2 - 3/4 turn). Max safe current is 11 amps. It might charge up to 20 amps, but not for long.

Five amps might be a bit high if it is going to run all day, but OK for intermittent use. If the battery uses too much water, reduce the charge rate.

Elvy

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Jim WI

04-03-2000 10:54:20




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 Re: 3-brush generator on 9N in reply to Jack B., 04-03-2000 07:27:32  
If you're seeing 3 to 4 amps into the battery with the tractor running, it's working correctly.

The 3-brush generator doesn't have regulation -- it's just adjusted to a charge rate that will keep the battery charged under normal operating conditions. It's really a primitive system.



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Tod

04-03-2000 10:09:03




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 Re: 3-brush generator on 9N in reply to Jack B., 04-03-2000 07:27:32  
The sponser of this board has article archives. The archives should answer your questions.



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