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Dynamo: C39 or C40?
Posted: Sat Feb 27, 2010 7:03 pm
by Pascal
Hi,
I need to replace the brushes on my dynamo. How can I tell if it's a C39 or a C40?
Regards,
Pascal
Re: Dynamo: C39 or C40?
Posted: Sat Feb 27, 2010 7:22 pm
by PSL184
Put a pic on of the body and terminals and we'll tell you....
Re: Dynamo: C39 or C40?
Posted: Sat Feb 27, 2010 8:11 pm
by Pascal
See below
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Re: Dynamo: C39 or C40?
Posted: Sat Feb 27, 2010 8:39 pm
by PSL184
C40
Re: Dynamo: C39 or C40?
Posted: Sat Feb 27, 2010 10:22 pm
by Pascal
Thanks - as you can see on the picture my brushes were pretty worn. No wonder it wasn't charging!
Re: Dynamo: C39 or C40?
Posted: Sun Feb 28, 2010 12:43 am
by mike.perry
The C39 dynamo has nut and bolt terminals, a grease plunger on the end plate and on the earlier dynamos there is an inspection cover which makes inspecting the brushes a doddle. The brushes are a different size and the output is less than the C40.
Re: Dynamo: C39 or C40?
Posted: Sat May 29, 2010 6:48 pm
by Pascal
Hi,
With new brushes all was rosy for a while until one of the brush springs went astray. Back to taking the dynamo apart.
I looked on the ESM and Bull Motif web sites but couldn't find any of these springs. Does anybody happen to know the reference, and where I can get them from?
Regards
Pascal
Re: Dynamo: C39 or C40?
Posted: Sat May 29, 2010 7:03 pm
by Pascal
Looks like the reference is RTC466. I could find them on Mini and Land Rover web sites, but not on Morris Minor web sites, strangely enough.
Regards,
Pascal