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How to fix your Dremel 395 if it suddenly... Expand / Collapse
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Posted 11/13/2008 9:43:05 AM
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See  my response above.Haven't needed the tool lately so its just setting in the case. thanks for the help.sent you a message. Bob.
Post #4717
Posted 11/13/2008 10:07:04 AM
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Bob, I replied to your PM. As I said I don't know anything about the little electonics board and suggest you call dremel telling them all you have gone through to get it up and running. Maybe they will send you another board to try out. If you do call Dremel, please get back with us and tell us how it went? Good luck!
Post #4718
Posted 11/17/2008 7:46:11 AM
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Thanks for the info.I'll let you guys know.
Post #4732
Posted 11/17/2008 7:48:56 AM
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Tried to edit the previous post about my reply to you MRMC.I get busy I thought I replied. Sorry.
Post #4733
Posted 11/17/2008 3:28:31 PM


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The edit feature do'es not work just open up a new reply.

Doug


Post #4736
Posted 8/10/2009 10:58:09 PM
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Hi,

My dremel shut down while I was working on a project. I let it sit for a month and tried powering it on... nothing. Then, I was able to get it working for awhile by banging it on the side. It was working for 10 minutes or so then it died again and hasn't turned on since.

I tried cleaning the switch contacts, I checked to make sure it's getting power, brushes are 1/4", I cleaned and made sure the 4 contact points where the switch assembly connects to the motor assembly was good, and it still not working.

I'm thinking about buying a new switch. However, I'm not sure I kept the continuity the same when reconnecting the switch assembly to the motor assembly. It might be upside down. Is there a way to tell?

I'd appreciate any advice and answers.

Btw, my dremel is >5 yrs. old and from what I've heard the newer models are not as good.

Thanks,
Ty
Post #5902
Posted 9/1/2009 12:33:26 AM
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Thanks for being so concerned for others and to take the time to offer your help. I'm somewhat mechanically inclined but not enough to work on my Dremel. I opened the casing and took one look and closed it back up. It suddenly stopped working after about 6 mos. and I can't figure out why. It's too new for the brushes to be shot. I checked them out and they look fine... about 1/4" left on them. I'll try your other hints and blow it out and such. I didn't realize Dremel would fix it after I used it for a while. Do you think they still honor the warranty if I just opened and closed it without futzin' with the insides?

MarkViMan ♫
Post #5970
Posted 11/2/2009 11:58:50 AM
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My Dremel stopped in the middle of work Halloween day. I stumbled across this forum post, and started to follow the advice provided.

I picked up new brushes at Lowe's an hour ago, popped them into my 395, and nothing happened. Following someone else's tip, and the tried n true American repair method for everything, I smacked it along the side hard a few times, and it started up perfectly!

I removed the new motor brushes, and it still works perfectly, so I'll return them, since it looks like i have 1/4" or more left on my existing ones.

I shoulda whacked the ****ed thing a few times first! LOL!

Gary Tabar

Post #6133
Posted 11/5/2009 9:31:36 AM
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Hey folks!  This is an awesome topic indeed!  An excellent post with fantastic replies.  I have been operating my 395 multi-pro for 7 years now, in the pluge router, router table, and the 221 work station.

I have taken mine apart acouple of times.  Here is what I have found:

1) In the beginning, if the Dremel tool was not broken in properly, then the Dremel is more prone to having issues.

2) The amount of carbon at the end of the spring on the brushes is not always the issue when it comes to the brushes.  Sometimes the springs weeken over time.  I would suggest replacing the brushes with new brushes as the springs are newer and stronger.

3) I have alsofound that there is a common problem in the variable speed switch, which is why I like the specific detailed instructions on how to clean it in the previous replies.

4) Last but not least, another thing I do which I find makes a big difference, is after I am finished using my Dremel 395, and it is very hot, I turn it down to setting 5 or 6, and I let it run with no load until the exhaust air has cooled down substantially.  I find my Dremel runs better, and the brushes last longer when I do that.

Dat's what I tink!

Barry

Post #6145
Posted 11/9/2009 4:30:21 PM


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What tool is the 395? The Digital?   I may be able to help you here. 

Jim

"For almost every problem,
there is a DREMEL solution"

"When all else fails, read the instructions."

Jim

Post #6166
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