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R&M 3600 not working  Rate Topic 
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 Posted: Sun Mar 18th, 2018 01:01 am
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Daniel Gonzales
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Hello all,Last month I purchased my first AC/DC fan, an R & M 3600, 7 inch brass blade. The fan was running and I switched out the headwire and wire for the plug because they were not safe. While it was diassembled I also cleaned the roter
with my brush attachment on my dremel tool. I did a continuity check, all OK and had a heck of a time getting the back cover on because the roter kept binding. Finally got it all together and now the moment of truth for it to come alive.......Nothing. No heartbeat, no pulse, nada. In the following days I have checked wiring, carbon brushes,brush springs,cleaned brush holders while researching the Forum for any information. Today I took the motor apart again and did another inspection and noticed a couple of wires sticking out of the roter. Could this be the problem?????
My electrical skills are still growing so talk to me in simple terms. Thanks for any info.....just trying to get the little guy working again.  Dan


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 Posted: Sun Mar 18th, 2018 01:18 am
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David Allen
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Daniel Gonzales wrote: Hello all,Last month I purchased my first AC/DC fan, an R & M 3600, 7 inch brass blade. The fan was running and I switched out the headwire and wire for the plug because they were not safe. While it was diassembled I also cleaned the roter
with my brush attachment on my dremel tool. I did a continuity check, all OK and had a heck of a time getting the back cover on because the roter kept binding. Finally got it all together and now the moment of truth for it to come alive.......Nothing. No heartbeat, no pulse, nada. In the following days I have checked wiring, carbon brushes,brush springs,cleaned brush holders while researching the Forum for any information. Today I took the motor apart again and did another inspection and noticed a couple of wires sticking out of the roter. Could this be the problem?????
My electrical skills are still growing so talk to me in simple terms. Thanks for any info.....just trying to get the little guy working again.  Dan



Hi Daniel.  I'm sorry to see you're having problems with your new old fan.  Unfortunately, the rotor winding is critical for the series motor to function. With broken rotor windings, the motor will not function.

I know hindsight is 20-20 so please forgive me for stating the obvious. A wire brush on a Dremel is made of steel wires that are hardened.  The rotor winding is made of enameled copper wire. The wire brush will easily and instantly catch and break the rotor winding.

Generally, a safer way to clean the commutator and rotor laminations is to chuck the rotor shaft in a drill press (or handheld drill). then while the rotor is spinning, carefully polish the surface of the commutator and the outside of the rotor laminations with scotch brite. Even with this procedure, you have to be extremely careful not to allow the windings to get caught and broken.

As for fixing this; you will have to send the rotor to a rewind facility to replace the winding. I haven't had a DC armature rewound, but others have had good success with White Armature. See http://www.whitearmature.com for their site.

Sorry to give bad news, however don't give up hope. It can be fixed!

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 Posted: Sun Mar 18th, 2018 01:18 am
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Matthew Albach
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Daniel, hi welcome to the club unfortunately yes those wires need to
Fixed or rewind . I might have the armature for this fan I have to look

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 Posted: Sun Mar 18th, 2018 01:25 am
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Daniel Gonzales
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Thank you David for your reply and it makes sense to me now. Live and learn.

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 Posted: Sun Mar 18th, 2018 01:30 am
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Daniel Gonzales
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Matt thanks for your reply and hopefully you may have what i need. I beleive we met once in Sarasota a few years back at a very raining Florida fan fest.

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 Posted: Sun Mar 18th, 2018 02:52 am
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Russ Huber
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White armature Mesco battery fan armature rebuild.  The original commutator was severely worn.  White armature rewound the armature a replaced the worn commutator for $90.00.  Prices will vary depending on the armature. You just call and talk to them about what you have.

Attached Image (viewed 443 times):

IMG_3837.JPG

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 Posted: Sun Mar 18th, 2018 10:15 am
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Lane Shirey
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White does a great job and they're very nice people! I had a Fidelity armature which was larger rewound and it was $125. I'm with Russ. 

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 Posted: Sun Mar 18th, 2018 12:42 pm
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Daniel Gonzales
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Thank you Russ and Lane for your replies and for your positive recommendations of White armature.

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 Posted: Mon Mar 19th, 2018 06:41 pm
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Matthew Albach
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Daniel,
Yes I remember that we all rushed to pack
The fans...... I got that type of armature pvt me

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 Posted: Tue Mar 20th, 2018 09:27 pm
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Daniel Gonzales
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Sent you a PM.

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 Posted: Sun Aug 12th, 2018 03:16 pm
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Daniel Gonzales
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Sooo...it has been a few months now and I just wanted to give you all a follow up. Matthew Albach was generous enough to offer me a free armature but unfortunately it was not a match, thanks anyways Matthew.  I took the advice of David Allen and sent my armature off to White. They were nice people to deal with and within a few weeks  they sent me back a beautiful refurbished armature.

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 Posted: Sun Aug 12th, 2018 03:23 pm
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Daniel Gonzales
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I spent the rest of the time redoing the fan. Unfortunately too much rust  and I wound up having to strip, repaint and pin stripe. 

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 Posted: Sun Aug 12th, 2018 03:25 pm
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Daniel Gonzales
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And here it is today....purring away

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 Posted: Sun Aug 12th, 2018 03:31 pm
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Daniel Gonzales
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Again Special thanks to David Allen, Matthew Albach, Russ Huber and Lane Shirley for your feedback, advice and comment to help me get this little guy up and running again.  Dan

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 Posted: Sun Aug 12th, 2018 03:42 pm
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David Kilnapp
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Gorgeous! First class restoration! Love it!

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 Posted: Mon Aug 13th, 2018 03:54 am
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Daniel Gonzales
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Thank you David.

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 Posted: Tue Aug 14th, 2018 01:34 am
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Tom Nordin
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Excellent!

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 Posted: Tue Aug 14th, 2018 02:31 am
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Daniel Gonzales
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Thanks Tom

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 Posted: Tue Aug 14th, 2018 05:05 pm
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Matthew Albach
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Awesome job Daniel,
She Looks brand new right out of the factory!!!!

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 Posted: Tue Aug 14th, 2018 09:43 pm
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Daniel Gonzales
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Thanks Matthew.

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 Posted: Wed Aug 15th, 2018 10:41 am
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Mel Lagarde
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Daniel
This is what is best about the AFCA.   Great people willing to help.  You did an outstanding job on your 3600.  It looks wonderful.  You might want to think about joining this great group of people.  So much talent here for you to grow in your skill. 

Mel

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 Posted: Wed Aug 15th, 2018 07:28 pm
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Richard Daugird
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I really dig the R&Ms with the pinstripes, I have one myself.

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