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Old 02-08-2020, 12:10 PM   #1
dwick01
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Default '47 Fordor Generator Question

I took my generator off, and sitting on a bench, I can spin the pulley quite easily, almost freewheeling. It's not supposed to do that, is that correct? I would think there should at least be a little tension on it.
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Old 02-08-2020, 12:13 PM   #2
flatheadmurre
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Default Re: '47 Fordor Generator Question

Only the friction from brushes should slow it down...so not a lot of drag.
If it was charging brushes must be doing their job.
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Old 02-08-2020, 12:16 PM   #3
dwick01
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Default Re: '47 Fordor Generator Question

It wasn't charging and it feels like there is no drag hardly at all. I was wondering if the brushes might be wore out?
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Old 02-08-2020, 06:44 PM   #4
RKS.PA
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Default Re: '47 Fordor Generator Question

Can't hurt to put new ones in. Did it quit charging all at once?
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Old 02-09-2020, 02:27 AM   #5
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Default Re: '47 Fordor Generator Question

Not to uncommon for the brushes to get stuck in their holders or that a brushspring breaks.
Take the rear off check that brushes aren´t worn down, springs for the brushes are in place and brushes move freely.
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Old 02-09-2020, 05:25 AM   #6
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Default Re: '47 Fordor Generator Question

The gauge needle was just below the middle showing a little discharge when going down the highway, and if I turned my headlight on, it would go down quite a bit lower. I will pull it apart and have a look-see. Thanks to everyone for the responses.
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Old 02-09-2020, 11:54 AM   #7
Fordestes
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Default Re: '47 Fordor Generator Question

Before you tear it down check to see if the generator will motor, that will give you an Idea of the brush contact.
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Old 02-09-2020, 06:40 PM   #8
Roger W Gerow
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Default Re: '47 Fordor Generator Question

I have a questionable generator too. What is the correct method to make a generator motor?


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Old 02-09-2020, 10:34 PM   #9
Art Newland
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Default Re: '47 Fordor Generator Question

Really worn brushes might be good enough to get it to motor, but can still be not good enough to carry the current to work properly.
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Old 02-10-2020, 06:49 AM   #10
dwick01
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Default Re: '47 Fordor Generator Question

I ended up buying a rebuilt generator from Red's Vintage Parts and installed and polarized it yesterday. I am very happy with his service, fast shipping and communication. The rebuilt generator is working perfectly and I could not be more happy with it.

Art Newland, I kinda think that is what my old one is doing. I have a few more things I need to fix on my car, and afterwards, I am going open up the old generator which I have never done, and try to figure out what is going on with it.

Thanks to everyone for your help.
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