kawakami
starting to shine!
Member since September 2008
Posts: 30
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Post by kawakami on Oct 7, 2008 13:32:48 GMT -5
It was tumbling away having just been started a few hours ago and then *clunk* so I went and quickly turned it off to try to work out what was wrong, it sounds like the motor is still working, but the bar doesn't move. Any idea what might be wrong and how I would go about fixing it?
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stefan
Cave Dweller 
Member since January 2005
Posts: 14,113
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Post by stefan on Oct 7, 2008 13:35:42 GMT -5
Check the belt- check the load in the barrel (overloaded) - clean the belt (oil will cause slipping) check the rods themselves for binding. Not really much else you can do- tumblers are pretty simple machines when you get right down to it.
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kawakami
starting to shine!
Member since September 2008
Posts: 30
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Post by kawakami on Oct 7, 2008 13:55:47 GMT -5
The problem was the belt slipped, I've fixed it a few times but it keeps slipping after a while, Any idea what could be causing it?
Edit: Seems one of the poles had slipped out slightly, hopefully it'd work now.
Edit: Nope, still seems to slip :/
Edit again: Think I've finally fixed it.
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pebblepup
has rocks in the head
Succor Creek Thunder Egg
Member since July 2008
Posts: 515
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Post by pebblepup on Oct 7, 2008 15:05:13 GMT -5
Are the pulleys aligned or are they damaged? There should be a set screw on each pulley that can be loosened so you can re-align them. If they are out of alignment the belt can catch and pop off.
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ejs
spending too much on rocks
Member since July 2008
Posts: 478
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Post by ejs on Oct 7, 2008 21:39:25 GMT -5
I had a similar problem with a Lortone A (3#) and fixed it (with help from Shawn from The Rock Shed) by removing the cover and adjusting the position of the pulley bar to be properly aligned (in two directions) with the belt, making sure the belt was spinning straight and that it did not have too much slack. While I was at it, I replaced the belt. I have not had problems with the bar slipping since.
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kawakami
starting to shine!
Member since September 2008
Posts: 30
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Post by kawakami on Oct 8, 2008 11:50:40 GMT -5
Yea I fixed it by opening it up and moving the bar, hasn't slipped yet.
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Post by LCARS on Oct 9, 2008 0:49:58 GMT -5
This thread has a good trouble shooting tutorial with examples of proper shaft and pulley alignments. It's for a Lortone 33B but the same operating principles apply to most other rotary tumbler models. 
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Roan
has rocks in the head
Member since January 2008
Posts: 600
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Post by Roan on Oct 9, 2008 5:11:33 GMT -5
Would you please repost that link, lcars? It's just http:// with no address.
Thanks
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Post by LCARS on Oct 11, 2008 1:36:27 GMT -5
Oops, I formatted the URL tag wrong!  ...but I fixed it so try it now. |
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