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repair of belt sander Answered

I have borrowed a belt sander from a friend to do a job........ and the sanding belt broke and stuck on the roller. I eventually managed to get it out. Tried the sander without the belt and one roller worked - the other didn't. I fitted a new belt (the right way round) but it didn't work. I've tried to remove the sanding belt, but it's sticking on the end of the roller that didn't work. Any ideas on what might be wrong please? It's looking at the moment as though I'm going to have to go out and buy a new one!! Any help would be gratefully received!

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Downunder35m

3 years ago

Take it apart, check for debris around the rollers and give it a good clean.
A drop (small!) of oil on moving parts also helps at this stage.
Only one roller is powered, the other is just to hold the belt ;)
Are you saying the belt is fused onto the roller?
If so you have to take it apart to get the roller assembly out.
If the support roller was seized for some reason the belt can cause enough friction on the roller to melt it - the result is a fused belt.
In case the roller is not too much damaged from this you can use sand paper to remove the worst melt demages and then put it all back together - don't forget to oil the moving parts.

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FevverDownunder35m

Reply 3 years ago

Just done it!!! I struggled to get the roller mechanism off. In the end I just tapped it (really!) with a hammer to get it back into position and a fair amount of crud came out. So I kept tapping and can't believe the amount of debris that appeared. It's a wonder the machine ever worked in the first place. It was well worth the half an hour that I had to spend on it. It runs very smoothly now.
Thanks so much for your input. You've saved me a lot of dosh I think.

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Downunder35mFevver

Reply 3 years ago

Great to hear it was just the standard problem of heavy usage with no cleaning.
I guess you did not take some pictures on the way to make an Instructable out of the repair job?

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FevverDownunder35m

Reply 3 years ago

Sorry no - didn't think to have done that...... will think on it for other things.

Thanks once again.

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FevverDownunder35m

Reply 3 years ago

That's a great help - thank you. I had got as far as removing 3 screws around the rollers. I will persist now. The machine was certainly hot when it happened. I don't think the belt is fused onto the sander.