I agree with difalkner, the sleeve should just slip off the drum. If it doesnt, and the locking mechanism for the drum is fully released, than either your drum is too large for the sleeves or the sleeves are to small for the drum
That's good if the sleeve is tight. Some of them the sleeve is too loose and it slips. If it's old the rubber may be stiff making it difficult to release. If you are trying to save the paper you might heat it a little with a hair dryer. If the paper is worn out soak it in hot water to limber the rubber.
I have had rubber that was too large for the sleeve to slip off. I believe that I left too much pressure on it for too long and it took a set that way. maybe the case for yours.
I tried sanding them etc to slim it back down - no luck. may have been the brand....
The sleeves are secured on the rubber drum by tightening the nut on the top which compresses the rubber so it expands inside the sleeve. It's just that simple.
No need for water, heating, other remedies... unless your sleeves are the wrong size for the drums. They should slip on easily over a drum whose lock nut has been loosened.
The drum could be wrapped with a few layers of tape if it's too small for the sleeve or the sleeve is too large for the drum, BUT be careful it still needs to expand. Sleeves that are too large could be lined with a layer of thick paper that is a good fit rather than tape.
I also have the Ryobi OSS and have never had an issue removing sanding sleeves from the drums. Sometimes I have to completely remove the nut and washer from the top of the spindle, but am always able to twist the sleeve off and up. I do use baby powder on the drums and inside the sleeves to make it easier to assemble and disassemble things. A heat gun may help as the heat should cause the sleeve to expand while it should cause the drum to contract (rubber does that when heated).
It is a grizzly floor model. One of the sizes i rarely use is one i want to change.
Maybe i will try leaving the nut loose a few days and see what happens.
I use 9 inch sleeves on my spindle sander and they don’t easily come off. I read all the above suggestions and non of them worked all that well.
I recently read something that suggested putting the drum in the freezer for a little bit. I can report that it works really well if you’re not in a hurry.
The old sleeve slides off EASILY, and the new one slides on just as easily. Once the drum warms up the sanding sleeve is tight.
In woodworking there is always more then one way to accomplish something.
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