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Generator Stator insulation

Posted: Mon Aug 09, 2021 3:19 pm
by No More Landy
Can I remove this stator and have the flaking insulation renewed somewhere?

I stripped it because the brushes were barely making contact and one was so caked that it was stuck in the guide channel.

ImageImage

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Re: Generator Stator insulation

Posted: Mon Aug 09, 2021 3:38 pm
by retrovan
Yes you can

There is a counter sunk screw from the outside that holds the lamination to the body, its normally a big Phillips head.

Its hard to loosen but it will go, then you can varnish dip the coils and re- bandage it before refitting it.

Good luck.

Herman

Re: Generator Stator insulation

Posted: Mon Aug 09, 2021 3:40 pm
by No More Landy
Thanks H, will give it a bash

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Re: Generator Stator insulation

Posted: Mon Aug 09, 2021 4:07 pm
by No More Landy
Super tight.
Tried heat, release spray and impact screwdriver and no luck.
Going to have to drill them out.


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Re: Generator Stator insulation

Posted: Mon Aug 09, 2021 4:25 pm
by No More Landy
One down, one to goImage

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Re: Generator Stator insulation

Posted: Mon Aug 09, 2021 4:44 pm
by No More Landy
FinishedImage

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Re: Generator Stator insulation

Posted: Tue Aug 10, 2021 8:49 am
by No More Landy
Where would I find new brushes in Cape Town ?

Flat Four is a bit far away from me

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Re: Generator Stator insulation

Posted: Tue Aug 10, 2021 9:09 am
by retrovan
Diesel electric should have

Herman

Re: Generator Stator insulation

Posted: Wed Aug 11, 2021 12:35 pm
by 73type2
I wasn’t lucky with Diesel-Electric here in Cape Town. You might also try Motolek. They proclaim to be official Bosch agents.

Re: Generator Stator insulation

Posted: Wed Aug 11, 2021 12:47 pm
by retrovan
If you can not get the right brush, take your sample with and take the next size bigger, then you just size it on a sheet of glass with sandpaper on it.

This I have done hundreds of times for car or electrical motors.

Herman

Re: Generator Stator insulation

Posted: Sat Aug 28, 2021 8:27 pm
by No More Landy
I found on closer inspection that they were OK to re-use

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Re: Generator Stator insulation

Posted: Sat Sep 11, 2021 2:03 pm
by No More Landy
Hi Guys

I seem to remeber hearing that I need to run my generator as a "motor" after a rebuild to generate a magnetic field for the first time.

Anyone can confirm or share the process ?

Ready to swing her over after a few hectic months at work.

Re: Generator Stator insulation

Posted: Sat Sep 11, 2021 4:05 pm
by buggyfan
Hi. Here is a write up on polarizing your generator

http://www.speedyjim.net/htm/gen.htm

Re: Generator Stator insulation

Posted: Sat Sep 11, 2021 5:38 pm
by No More Landy
Thanks buggyfan.

I hooked her up and ran the motor.
Charge is at 14.2 volts at a bit of revs so all good.
Didn't need to boost the magnetism after all.
Now to resolve a very poorly running engine.
The plug leads I think are still from 1971 so going to change those first and take it from there.

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Re: Generator Stator insulation

Posted: Sat Sep 11, 2021 7:40 pm
by Riaan.N
No More Landy wrote: The plug leads I think are still from 1971 so going to change those first and take it from there.

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My plug leads also saw beter days…still the originals. The new Bosch OEM leads I bought were crap…I got a set of Bogies, a new rotor and cap and all is well now. You can also look at getting leads from a V8 shop that you cut to size.