Dremel multipro stopped working. I used it for a hour, letting it cool down, but now will not start

SOURCE: worn front bearing on Dremel Multipro

To speak to Dremel about bearing call 1-800-437-3635 and also ask to speak with their tech service, this is all I could find

SOURCE: Dremel 395 rotary tool - not working

it is the coupling inside of it called a flex coupling and it seem s like it is made of wax or something. tomorrow i will go to home depot to see if they carry metal ones that won't break.

SOURCE: Dremel MultiPro Model 395 was used to cut out

Drywall dust has ruined your tool. It seizes up bearings and bushings like you wouldn't believe.

SOURCE: How do i take the bit off of a dremel multipro

unscrew the collet nut, and then if it's still stuck, tap the end of the bit on the table or something solid. It'll come loose then.

SOURCE: I don't know how to change the bit on my dremel

Push the pin on the side next to the tip and hold it while Your wrench is turning the hex shaped piece around the bit that is what is holding your bit in. this should help as i am a proud owner of a Dremel. Hope this helps . if you have any further questions write back.