JR8675309
freely admits to licking rocks
Member since August 2019
Posts: 807
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Post by JR8675309 on Jan 3, 2020 9:10:14 GMT -5
Hello! Does anyone have experience rebuilding the Lortone tumbler motor? im specifically looking does I fo about the 6 or 6x6 motor. I’m sure any rebuild experience is relevant to any motor. Let’s hear it! Thanks!
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tkvancil
fully equipped rock polisher
Member since September 2011
Posts: 1,548
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Post by tkvancil on Jan 3, 2020 11:33:33 GMT -5
Those small electric motors are generally not worth time and money to rebuild. Most of the parts that one would replace in a larger motor are epoxy glued in place in smaller motors. Bearings/bushings are small and difficult to replace. I suspect parts could cost as much as a new motor.
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Post by knave on Jan 3, 2020 11:42:51 GMT -5
I don’t have a Lortone but small motors are not a repair item anymore. If it was me I would get the info right off the motor and search for a new motor.
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Post by manofglass on Jan 3, 2020 11:47:01 GMT -5
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Post by knave on Jan 3, 2020 11:53:20 GMT -5
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Post by knave on Jan 3, 2020 11:56:30 GMT -5
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JR8675309
freely admits to licking rocks
Member since August 2019
Posts: 807
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Post by JR8675309 on Jan 3, 2020 14:18:56 GMT -5
Hey there thanks for the input. I already replaced it with one from the Rock Shed for about 59. I was just clearing off the workbench and saw it:). I guess I’ll just scrap it. What a waste. That said, it lasted since 196X and saw a lot of action in those years.
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lewy
off to a rocking start
Member since March 2020
Posts: 9
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Post by lewy on Jan 15, 2021 0:56:41 GMT -5
just found this thread,does anyone have a link to the correct motor for a 45C all the suppliers here in Aust are out of parts.if i can find one on ebay or amazon would be good,cant be that hard.or even the specs as we are 240 volts,rpm's and power would be good
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salpal48
starting to spend too much on rocks
Member since March 2015
Posts: 136 
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Post by salpal48 on Jan 18, 2021 18:36:47 GMT -5
I have never had a Lortone motor Go bad. Most times they stop or slow Running because there dirty. This is due to hard oil, clogged with dust or grit Etc. the best way to find out good or bad is submerged the entire motor in Odorless Mineral spirits for 1-2 days. This will dissolve all the crud inside. .afterwards pull it out let air dry and plug in.
Do not plug in while in the solution
I have posted this several and it works
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Wooferhound
Cave Dweller 
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Jan 19, 2021 7:50:35 GMT -5
I've had a QT66 and 3A running for 4 years now.
After 2 years I took the 66 apart to clean and refurbish it.
Has worked great until last week, need to refurbish it again and replace the belt with a spare I have.
Motors are working great on the 2 Lortone tumblers, I oil them once a year.
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Jan 20, 2021 8:09:52 GMT -5
Has worked great until last week, need to refurbish it again and replace the belt with a spare I have.
So since I was having trouble with the Belt anyway, decided to go ahead and rebuild that machine for the second time. Took a good look at the old belt and thought it would last a few more months so, for now, will keep using this belt.
The roller rod Bearings were really gooped up with oil and rock dust from a coupla years of use. The rod ends that are in the bearings were starting to wear down having grit and rock dust in there. picture not focused but you can see it ...
Cleaned the whole machine before putting it back together. Biggest mess was the oil from the rods and bearings.
Reoiled the Motor and bearings. I guess I'll keep using this old belt until it breaks. May need to modify the machine to get more belt tension as it's kinda loose now.
Got my worldwide contest rocks yesterday and now I have a rebuilt QT66 to create the winning entry.
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Post by parfive on Jan 20, 2021 11:05:10 GMT -5
I guess I'll keep using this old belt until it breaks. May need to modify the machine to get more belt tension as it's kinda loose now. Since I’m not familiar with the Lortone family, what does modify the machine entail? More than just sliding the motor using whatever play is available when you loosen the mounting screws? |
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,722
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Post by Fossilman on Jan 20, 2021 11:24:22 GMT -5
For Lortone I buy all my parts from Shawn.... www.therockshed.comI have rebuilt the small motors from used parts I had laying around, sometimes it's just not worth the effort.. |
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Jan 20, 2021 11:40:15 GMT -5
I guess I'll keep using this old belt until it breaks. May need to modify the machine to get more belt tension as it's kinda loose now. Since I’m not familiar with the Lortone family, what does modify the machine entail? More than just sliding the motor using whatever play is available when you loosen the mounting screws? There are slots that the motor tightens into. I extend the slots with a drill. Here is my Modified 3A . . .
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oldpete44
off to a rocking start
Member since April 2022
Posts: 1
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Post by oldpete44 on Apr 8, 2022 11:20:41 GMT -5
I have never had a Lortone motor Go bad. Most times they stop or slow Running because there dirty. This is due to hard oil, clogged with dust or grit Etc. the best way to find out good or bad is submerged the entire motor in Odorless Mineral spirits for 1-2 days. This will dissolve all the crud inside. .afterwards pull it out let air dry and plug in. Do not plug in while in the solution I have posted this several and it works |
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Post by Rockoonz on Apr 8, 2022 12:26:49 GMT -5
I have never had a Lortone motor Go bad. Most times they stop or slow Running because there dirty. This is due to hard oil, clogged with dust or grit Etc. the best way to find out good or bad is submerged the entire motor in Odorless Mineral spirits for 1-2 days. This will dissolve all the crud inside. .afterwards pull it out let air dry and plug in. Do not plug in while in the solution I have posted this several and it works I guess it was a good idea to add that, but it did make me giggle just a little.  Haven't looked at one of those for awhile after I built my own bases, are there places to re oil after the solvent dip? I have an ancient scroll saw that could probably use a dunk for the motor that has to warm a little before it runs full speed. I imagine sewing machine oil or turbine oil will be close enough to correct. |
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bryan22
off to a rocking start
Member since April 2024
Posts: 12
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Post by bryan22 on Jun 1, 2024 10:40:52 GMT -5
The motor on my old Gem rumbler died and I looked around for a replacement. Visually, it looks identical to the small Lortone motor. And visually it looks identical to a shaded pole motor for bathroom vent fans. I bought one on Amazon for $18 and it fits my Gem perfectly. It may also work for Lortone. In my case, the motor is not strong enough to start rotation with a loaded drum, but it runs fine if you set the drum on the running rails. It may be an option for the "out of stock" Lortone motors.
The motor I got was Amazon item number B096RVWZW7.
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