Question about Rotary Tools & Hardware - Others
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Posted on Jan 02, 2017
I would go direct to Dremel.com or call them at 1-800-437-3635 and get the schematic and parts you need, I just checked and they have a parts diagram online that you can view. go to the section about manuals/literature and type in your model number. Good luck
Posted on Mar 16, 2009
SOURCE: dremel 400 xpr stopped working.
It could be the fuse between the brush and variable speed control switch. I have the same problem and found the fuse blown. I am hoping that I can replace the fuse without having to buy the complete speed control unit which is about $17.00 from Dremel. If yours is still under warranty you could send it back. If I can find a fuse for mine I will let you know where to get them. joatmontag
Posted on May 24, 2009
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.
Posted on May 29, 2009
Just a comment-Based on experience, I would go with BOTH their suggestions and order brushes and bearings. That squeal is definitely the bearing; it is a sleeve bearing; RPMs too high for a ball bearing to last and the sleeve bearing has a solid lubricant cast into it.
Posted on Dec 17, 2009
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.
Posted on May 06, 2010
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