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| Dynamo: electrician impossible. http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=4074 |
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| Author: | Russell [ July 11th, 2012, 6:40 pm ] |
| Post subject: | Dynamo: electrician impossible. |
Anybody know much about dynamos on old 2cvs? I could do with a workshop manual/RTA with a good exploded diagram of how I take it to bits. The charging light came on while I was driving home from registers day and because I'm an optimist and a lazy bastard I used the car to get to and from work the last couple of days before deciding I'd have a look at it. The brushes are worn down to the rivets and it's started to score the commutator. I'm hoping that new brushes will be a cheap and easy fix but assuming I've made a right old bollocks of it and need to change the commutator as well, is it a fairly easy thing to do? Im guessing I could run the bastard up and clean any scoring off the comm with emery cloth or something? I also understand there are two different types, how would I identify which is which and which I have on my car, so I can order new brushes? |
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| Author: | dave 411 [ July 11th, 2012, 7:00 pm ] |
| Post subject: | Re: Dynamo: electrician impossible. |
It should be stamped somewhere on the body,the name that is.If you want to take the armature off,you may need a puller.I've got one I can send you. Its not that difficult to strip down,just be gentle as its old  .I stripped the one on the AZ,but never got to reassemble it cause I sold the car. |
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| Author: | Russell [ July 11th, 2012, 8:06 pm ] |
| Post subject: | Re: Dynamo: electrician impossible. |
Is it just fitted on a taper like the fan is? |
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| Author: | ayjay [ July 11th, 2012, 10:50 pm ] |
| Post subject: | Re: Dynamo: electrician impossible. |
i think that as long as the commutator isn,t too deeply scored, a new pair of brushes should do the trick-- as long as they make contact mostly if the commu is totally knackered the armature can be put in a lathe and the commu trued up, if theres enough meat left |
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| Author: | bobh [ July 15th, 2012, 8:34 pm ] |
| Post subject: | Re: Dynamo: electrician impossible. |
Two types of Dynamo, Paris Rhone and Ducellier. My Paris Rhone commutator was badly burned. The Citroen spec says min dia is 51mm, but I had to skim to 49.05mm, and it works OK. Make sure you get the right brushes for the correct type, as (I think Ducillier are thinner than Paris Rhone) - however as a get you home, Ducillier fit Paris R. It is said that a 3/4 UNF bolt can be used to get the armature off its taper, but Citroen tool is 20mm x 1.5mm pitch |
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| Author: | Russell [ July 15th, 2012, 8:48 pm ] |
| Post subject: | Re: Dynamo: electrician impossible. |
That's just what I needed to know, thanks! |
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