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06-18-2013, 01:41 AM | #1 |
Member
Join Date: May 2010
Posts: 41
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Can't regulate charging rate !
Generator charges 10 amps at idle and hard over at 20 when reved up a little. Moving the third brush either way makes no difference. Generator is grounding alright and seems to be wired correctly with third brush going to terminal, one brush to ground the other to the windings.... any idea what may be causing the problem ? Thanks folks, Robert
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06-18-2013, 09:33 AM | #2 |
Senior Member
Join Date: May 2010
Location: Pitt Meadows BC
Posts: 1,003
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Re: Can't regulate charging rate !
Ameter new? I have three repop ameters that only show amps at idle then jup to the right, pegged at all other times. I think they are too cheap to function correctly.
Old, stained stocker works great. |
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06-18-2013, 09:36 AM | #3 |
Senior Member
Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: Can't regulate charging rate !
This has came up quite a bit lately. The field wire hooks to the third brush. the terminal post wire attaches to the insulated main brush. You need to get these wires correct before it burns out the field coils. See page 66 in the new Brattons catalog for an exploded diagram of the generator and wiring legend at the left lower corner oif the page.
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06-18-2013, 09:43 AM | #4 |
BANNED
Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
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Re: Can't regulate charging rate !
make sure your battery and connections are good incld the bolt at the cable to frame....
always do your adjustments with an external meter |
06-18-2013, 11:20 AM | #5 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Can't regulate charging rate !
The Ground side of the field coils is either grounded to the case by a small screw, or it is clamped to the case by the pressure from the insulator of the output terminal. The feed for the fields MUST be connected to the adjustable brush. If it's somehow connect to the terminal or output brush, then you WILL cook the generator.
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06-18-2013, 11:38 AM | #6 |
Member
Join Date: May 2010
Posts: 41
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Re: Can't regulate charging rate !
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PS. new brushes had been installed and are in the correct position and all connections tight. |
06-18-2013, 11:43 AM | #7 |
Member
Join Date: May 2010
Posts: 41
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Re: Can't regulate charging rate !
She was getting a little warm but not too hot to touch.... we never ran it long enough to harm it. We were aware of what could happen !! Only ran it long enough to check our trouble shooting. On of the brushes was in backwards and not properly mating to the armature, etc , etc....
Thanks |
06-21-2013, 08:00 PM | #8 |
Member
Join Date: May 2010
Posts: 41
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Re: Can't regulate charging rate !
Problem solved.. it was as you said. Wired up wrong. It's good now. Thanks folks, Robert
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06-22-2013, 05:06 AM | #9 |
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Join Date: Dec 2011
Location: New hope Minnesota
Posts: 742
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Re: Can't regulate charging rate !
Thanks for the great photo.
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06-22-2013, 05:50 AM | #10 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Can't regulate charging rate !
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