SOURCE: Orbital sander flicking the sand paper off
You did not specify how the sanding discs are meant to be attached to your sander's backing pad. My experience with this type of problem is material from the sanding process builds up on the backing pad and does not allow the sanding discs to adhere properly. If you have a velcro type system, clean the hooks on the sander's backing bad by soaking the pad's face in a plate of paint thinner for 20 to 30 minutes then use a wire brush to remove the rest of the paint physically. For adhesive pads clean the sander's backing pad surface with denatured alcohol. Do not use isopropryl or rubbing alcohol as this may not be 100% alcohol and could contain a lubricant like glycerin. When the sander's backing pad is completely dry and clean it will hold adhesive backed pads fine. Flaky paint is best scraped off before sanding, use a wide putty knife or a paint scaper to remove large flakes before sanding. This will minimize airborne dust and cleanup. For best results with adhesives, always keep your surfaces clean! Good luck and happy sanding! Michael Mittelsdorf
SOURCE: Hitachi SV13YB 5
You can go to Hitachipowertools.com and under products scroll down to find your sander. They also have a dealer locator that will find someone in your area. I looked at both the breakdown and manual for this tool and am concerned because it says pressure sensitive, but the literature states hook and loop, so you would have to specify the hook and loop. Let me know if you have any problems finding someone and I will try and help
SOURCE: bosch 3283 dvs sander has unbalanced spin
This means the sander has been droped and the pad support and/or the bearing orbit has been bent, maybe even the motor shaft. Never leave any power tool sitting on a bench, always set it on the floor, it will end up there at some time anyways. You can try replacing a part at a time and spend a lot of money and time, but is it worth it?
SOURCE: I can't find parts for a Craftsman 5" Orbital Palm Sander
a band aid fix, if the hook and loop is wore out, but the pad is ok, is to get a peel and stick hook and loop pad that you can stick on the pad
SOURCE: sand paper pad no longer holds the sanding disk
If the paper comes off the pad while in use, the small hooks will get damaged very fast. This happened to me and cleaning was no help. I even tried a different brand of sand paper thinking the loops were insufficient on the brand that came off. No help either. I then bought a new pad (about $16.00) and that fixed the problem. It's easy to change - just three screws - and you are back in business.
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