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R12 generator problem

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C.K
Posts: 149
Joined: Wed Jan 08, 2014 11:58 am

R12 generator problem

Post by C.K »

Hi
I restored d2b magneto/dynamo and have no current on the output wire .
armature ok ,new brushes. also repolarize with 6v battery.
what is the range of resistance for the two coil field?

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luca.stere
Posts: 92
Joined: Thu May 23, 2013 4:11 am

First you can test like this:

Post by luca.stere »

First you can test like this: https://www.youtube.com/watch?v=aTS2u1uWtic

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C.K
Posts: 149
Joined: Wed Jan 08, 2014 11:58 am

well I did this test with 6v

Post by C.K »

well I did this test with 6v battery and its turning.
I think the problem is the coil .
I measured 6 ohms on DF and 2.9 on D+

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luca.stere
Posts: 92
Joined: Thu May 23, 2013 4:11 am

2.9 is not good, from what I

Post by luca.stere »

2.9 is not good, from what I remember a generator coil should have more then 10 ohms.

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C.K
Posts: 149
Joined: Wed Jan 08, 2014 11:58 am

Have new field coil now

Post by C.K »

Have new field coil now .dynamo work perfect.
old coil was in very bad shape.
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