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Open Roads Forum  >  Tech Issues

 > How do I put this electric motor back together?!

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alaska dennis

homer ak

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Posted: 12/25/19 01:23pm Link  |  Quote  |  Print  |  Notify Moderator

It will not wear in the magnets shatter like glass. Put it back together and spin it without power and then check for clearance problems.

Naio

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Posted: 12/25/19 01:23pm Link  |  Quote  |  Print  |  Notify Moderator

Oh. I pulled out the wires I had holding the brushes back, and now the wobble is gone. Still a little bit scrapy


3/4 timing in a DIY van conversion. Backroads, mountains, boondocking, sometimes big cities for a change of pace.


Naio

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Posted: 12/25/19 01:55pm Link  |  Quote  |  Print  |  Notify Moderator

Naio wrote:

Okay, new question. Boy do I wish I had some clue what I was doing here.

When I put the motor together and turn it by hand, it has a sort of a scraping feeling. It doesn't have the clunking feeling it had when the magnet was loose.

When I open it up again, I can move the inside around to each of the four magnets, so I can tell that there is a little air space before each magnet like there ought to be. But I don't know if still maybe my glue was too thick... Is it okay to put it together and let it kind of wear in?


Replying to Dennis:

There isn't any way to see in it if I put it back together enough to get the scraping feeling.

Johno02

Lexington, TN USA

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Posted: 12/25/19 02:14pm Link  |  Quote  |  Print  |  Notify Moderator

Stopping when it rotates is normal. if it doesn't drag, apply power carefully and see it it rotates the right way


Noel and Betty Johnson (and Harry)
2005 GulfStream Ultra Supreme, 1 Old grouch, 1 wonderful wife, and two silly poodles.


riven1950

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Posted: 12/25/19 03:10pm Link  |  Quote  |  Print  |  Notify Moderator

I have no idea how to fix it but if I were in that situation I would either have the repair guy do it right or buy a new motor or a new unit. I would be paranoid about a short and fire. Not worth the risk. JMO

time2roll

Southern California

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Posted: 12/25/19 03:21pm Link  |  Quote  |  Print  |  Notify Moderator

I would just run it and see how bad the noise actually is.


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wa8yxm

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Posted: 12/25/19 03:34pm Link  |  Quote  |  Print  |  Notify Moderator

Ok on one end of the windings is a big "barrel" like thing with slats running the same way as the shaft. It is called as best as I can spell it the commutator

This is what the brushes... brush.


Home is where I park it.
Kenwood TS-2000 housed in a 2005 Damon Intruder 377


Naio

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Posted: 12/25/19 03:51pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks you guys!

I took it apart and put it back together multiple times, trying to figure out what was going on. Then a friend suggested that I use a Sharpie to mark up the magnets and the middle part and see what was rubbing. So I took it apart again, put the markings on, closed it up, and miraculously it is not rubbing any more! Either Sharpie makes a good lubricant or I just got lucky. I think it's a Christmas miracle. I'm not going to take it apart again and find out :-).

And Merry Christmas to all, and wish me luck when I reinstall it in the machine :-)

midnightsadie

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Posted: 12/25/19 05:14pm Link  |  Quote  |  Print  |  Notify Moderator

well don,t let us hanging we want to know if you fixed it.

pianotuna

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Posted: 12/25/19 07:12pm Link  |  Quote  |  Print  |  Notify Moderator

Perhaps Santa fixed it for you?

Even experienced techs make mistakes, or have things "fix" themselves. That was the case for me in the spring of 2018--my water heater would not work on the 120 volt setting. I got a new heater rod--and after it was replaced the water heater still would not work on electric.

Then after disconnecting and reconnecting bingo--it started to work!


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

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