Polisher Usage what is the right way to work with the polisher?

Made in China and sold under different names.

https://www.google.com/search?q=neiko+7+auto+polisher+manual

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It is an orbital polisher. Plug it in, move it over the vehicle, don't stay in one place too long so heat doesn't build up.

Same instructions as this one

https://images.homedepot-static.com/catalog/pdfimages/b0/b0ceb62e-2aa8-4fb9-9451-9a762eafe529.pdf

Boxed with manual for 16 bucks!

https://www.ebay.com/itm/Vintage-1998-Chamberlain-Waxmaster-Model-W109-Random-9-Orbital-Waxer-Polisher/283364132933

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You can either contact the people that made it and pay an outrageous price, or you can go to a place like batteries plus and buy a replacement that is what I call a re-pop for about half the price of the maker. You'll find a link to them attached

www.electroluxappliances.com/Owner-Support

sounds like you have a problem with the armature. To easily check UNPLUG tool and turn the spindle by hand and listen for the clicking. It sounds like it may be a raised commutator bar. You can also remove the brushes and look into the brush tube with a flashlight and look for a major discoloration of the bars or one that is raised.

I'm not sure I understand your question, but I'll give it a go.

The DW421 is a sander already. If you want to change it to a polisher, you can buy polishing pads to go on it.
If you have a Dewalt polisher and want to convert to a sander, you can buy sanding disks to fit your polisher. They are installed on the spindle and I believe you can get a backing pad for it also.

Hope that helps

try going to Makitatools.com and buying them direct from their site or find there service center locator for authorized repairs and buying them that way. Let me know if you need more help and if you do please furnish me with the zip code if you have one and the exact location and I will try and find someone local if I can.

I would check the brushes. These are small carbon blocks that transfer the electricity to the armature and are usually easily accessible from outside the tool. Look for two round disk like caps with a screw slot. Undo the caps and take out the brush and you may find it is worn to the limit.

take the 4 screws out of the bottom and take the plate off. then take the 2 screws out of the the actual polisher unit. also take the 2 screws out of the button connector thing. after that remove the electrical caps to all the wires and untwist the wires and take off the polisher unit. heres the hard part. get strong pliers or a strong gripping tool and grab hold of the metal securing covering the motor. rip the metal were it comes around and meets and once you have done that (it will take a while), the whole metal covering will come off. next you have to take the polisher pads off and untwist the plastic cones underneath the pads. now you need needle nose pliers and you will have to untwist the 4 nuts on each side with the pliers. once you have done that you can take the nuts off and slide the black motor coverings and you are left with the motor and you have disassembled the Dremel Shoe Polisher.

It spins typically from 600-3000 RPMs. This single motion allows a circular polisher to level the clear coat that surrounds a scratch so that the scratch’s “edges” disappear. Professionals who want to completely remove a deep scratch must use a circular polisher.