zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Oct 1, 2019 18:54:04 GMT -5
I've owned a Lot-o for a few years that I got used. It has a small weight attached to the inside of each fan. I bought another used Lot-O that was missing the fans. It has weights attached to the motor shaft. I ordered some Lot-O fans. They arrived with weights inside. Do you recommend that I use both the fan weights & the motor weights, or just one or the other? To use both, I would have to grind off a bit of the corners of the motor weights to fit inside the fans. Lynn
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Post by aDave on Oct 1, 2019 20:01:20 GMT -5
Lynn zarguy, you made me look. My Lot-O was bought at the beginning of the year. I just pulled a fan, and a weight is mounted like yours in the photo. I'm referring to the larger piece that is in your photo. My fan also has a silver band around the shaft collar like yours, but I'm not so sure that's a weight. I'm thinking that particular piece adds to the constriction to the shaft being inserted into the collar. I see nothing in your photo that looks any different from what I have. In the long run, just line up the large weights. Hope this helps.
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Oct 1, 2019 20:25:39 GMT -5
Lynn zarguy, you made me look. My Lot-O was bought at the beginning of the year. I just pulled a fan, and a weight is mounted like yours in the photo. I'm referring to the larger piece that is in your photo. My fan also has a silver band around the shaft collar like yours, but I'm not so sure that's a weight. I'm thinking that particular piece adds to the constriction to the shaft being inserted into the collar. I see nothing in your photo that looks any different from what I have. In the long run, just line up the large weights. Hope this helps. Dave, does yours also have the weights on the motor shaft? Lynn
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Post by aDave on Oct 1, 2019 21:07:21 GMT -5
Lynn zarguy , you made me look. My Lot-O was bought at the beginning of the year. I just pulled a fan, and a weight is mounted like yours in the photo. I'm referring to the larger piece that is in your photo. My fan also has a silver band around the shaft collar like yours, but I'm not so sure that's a weight. I'm thinking that particular piece adds to the constriction to the shaft being inserted into the collar. I see nothing in your photo that looks any different from what I have. In the long run, just line up the large weights. Hope this helps. Dave, does yours also have the weights on the motor shaft? Lynn No. The only thing that looks like a weight is the large piece that is on the fan as shown in your photo. There are no weights on the motor shaft. If you need a photo, let me know.
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Oct 1, 2019 21:56:09 GMT -5
Dave, does yours also have the weights on the motor shaft? Lynn No. The only thing that looks like a weight is the large piece that is on the fan as shown in your photo. There are no weights on the motor shaft. If you need a photo, let me know. No need for a photo. Unlike Scott - NRG, I believe you even without photographic evidence. Lynn
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JBe
starting to spend too much on rocks
Member since January 2019
Posts: 103
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Post by JBe on Oct 2, 2019 10:10:55 GMT -5
I have a Lot-O I bought new about a year ago. It just has weights in the fans. I would not use both. I don't know if older Lot-O's came with eccentric weights on the shafts like that or if that's a homemade solution someone used because they lost the original fans.
If it were me I'd removed the weights on the shaft and use the new fans with the included weights. If the action in the barrel looks correct call it good.
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Oct 2, 2019 10:27:50 GMT -5
Thanks for all your advice. I took the weighs off the motor shaft.
I was going to put the fans on, but discovered they don't fit the shaft. Either Lot-O used different motors with different diameter shafts, or the motor is a replacement. Oh well. Lynn
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Post by oregon on Oct 2, 2019 10:34:37 GMT -5
The new fan has the weight attached to the plastic fan. These seem to be consumable, they usually will warp and it just doesn't seem like a good design to me. Interesting weights on the second machine; that lot-o is the older gray, so maybe they did that originally, attaching the offset weight directly to the motor shaft? I wouldn't use both weights on one machine, but if the action was ok, I'd be tempted to take the weights off the plastic fan and use the others with the fan on the shaft to keep the motor cool. Without the offset weight attached to the plastic, it's shouldn't deform for a long while. 2c.
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NRG
fully equipped rock polisher
Member since February 2018
Posts: 1,630
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Post by NRG on Oct 2, 2019 10:35:39 GMT -5
Mine has fan weights. You probably want them synced to make it work. But YMMV
I have no pics to prove this. Sorry. 😈
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Post by oregon on Oct 2, 2019 10:50:25 GMT -5
I was going to put the fans on, but discovered they don't fit the shaft. Either Lot-O used different motors with different diameter shafts, or the motor is a replacement. cross posted above, but made me curious, so I have an old gray machine, with nice metal fans that are as straight as the day they were new, and the new plastic fans that have been through a few sets, indeed the old motor had a smaller shaft. You can see on my pic where the spot weld dimple is for the offset weight on the metal fan, not quite the offset weights of yours. (hmm I don't see the cloudinary attach photo button, email me if you want pics)
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Oct 2, 2019 11:13:36 GMT -5
I like that metal fan!
BTW, my machine was bare metal when I bought it. I painted it hammertone gray. Lynn
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