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Post by tkrueger3 on Oct 16, 2009 17:58:00 GMT -5
I've been running my "Berry's Blue" vibe (made by Covington) since the day I got it in mid-June. Today, I stopped it to rinse and recharge, and it wouldn't start up again. The motor turns very easily by hand, but when turned on, it just hums.     I've emailed the person from whom I bought it, but I doubt I'll get any relief. So - I was looking through Rock Shed, and he now has a UV-3. It has the same motor and frame as the case-cleaner version of the UV-10, but a smaller bowl made for rocks. It sounds like just my speed - I don't want to have to wait until I have a bucket full of stuff before I can start a batch. Anybody have one of these yet, and what do you think about it? Thanks, Tom |
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Post by Bikerrandy on Oct 16, 2009 19:33:09 GMT -5
I can only speak for the UV-10, it's my favorite tumbler!
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Post by johnjsgems on Oct 16, 2009 22:41:25 GMT -5
The UV-10 INDUSTRIAL is bullet proof. Make sure 3 lb. is equivalent as "Industrial". The casing cleaning models of UV10 are not rock tumblers.
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Post by catmandewe on Oct 17, 2009 0:25:06 GMT -5
Try loosening the nut or nuts holding your motor on or on the bottom where the counterweight is, sometimes they vibrate themselves tighter and make the motor so it won't start. I have had this problem on a couple of vibes that I picked up to refurbish, that usually fixes them. If that is it, you can locktite them so they dont vibrate tighter anymore.
Tony
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Post by Jack ( Yorkshire) on Oct 17, 2009 1:36:08 GMT -5
Hi Tom, Sorry to hear of your problem , I use a Lot"O" 4 1/2lb modle and had no problem over the 2 to3 yrs Ive had it Heres a link to it www.therockshed.com/tumbler1.html They also stock the Thumblers vibe ( Others please quote on this I have no experiance with thumblers) Shawn at the rock- shed has a world wide reputation as to being extreemly helpfull The makers of the Lot "O" have had a bad batch of US motors but I think they have got that problem solved now Hope you get going again very soon Jack Yorkshire UK |
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drjo
fully equipped rock polisher
Honduran Opal & DIY Nut
Member since May 2008
Posts: 1,581
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Post by drjo on Oct 17, 2009 6:46:36 GMT -5
Give the motor a spin with the power on (being careful not to get yourself wrapped up in it  ) an see if it starts. Some motors have staring capacitors (about the size of a roll of quarters, you can replace these) and some have start windings (built internally. you can't replace these). Dr Joe . |
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Post by tkrueger3 on Oct 17, 2009 10:57:43 GMT -5
Thanks for the suggestions, folks! However .....
Tony, "been there, done that" ... At first I though maybe the fan had sucked in something that wrapped around an wedged the shaft to stop it from turning. So I completely dismantled it, and that was not the problem. The motor spins freely when you twirl the shaft by hand, but when turned on, it just hums.
Dr. Jo, "been there, done that" - it goes about 1/4 turn, then stops and hums. With power off, it spins like a top with very little friction - power on stops it.
I'm sure the windings or the brushes in the motor are shot.
Tom
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Post by Jack, lapidaryrough on Oct 17, 2009 11:47:41 GMT -5
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Post by Jack, lapidaryrough on Oct 17, 2009 12:14:54 GMT -5
Tom i check the motor on my 20" Fulmer, found the same on this site / www.grainger.com/Grainger/items/3M569 Though the Fulmer lap has the original motor. It is a 1968........... I know were speaking of two different animals. |
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Post by Jack, lapidaryrough on Oct 17, 2009 12:22:58 GMT -5
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Post by tkrueger3 on Oct 17, 2009 13:41:53 GMT -5
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Post by Jack, lapidaryrough on Oct 17, 2009 15:01:54 GMT -5
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) an see if it starts. Some motors have staring capacitors (about the size of a roll of quarters, you can replace these) and some have start windings (built internally. you can't replace these). 
