Question about Dremel 400 Series Xpr Rotary Tool Kit with Xpr Multisaw and Xpr Planer Attachment 400 - 6/90

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I purchased a Dremel Xpr 400 series rotary tool a few years ago. I have not had any problems with it until now. I replaced the brushes and now the covers over the brushes won't close completely. The tool won't run. How do I remedy this?

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Go to Dremel ->LINK. Just be sure to set the parts right.

Posted on Oct 06, 2010

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I need a manual for Dremel 400 series XPR either download or in book form..thanks


http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000072942.pdf

Oct 22, 2011 | Dremel 400 Xpr Rotary Tool

1 Answer

Mastercraft maximum rotary tool icd display is flashing a lock in locked postion


Those digital dremel's are touchy when the get hard use. learn to use it without the display or try to return it regardless if it spins, it's fine.

Oct 21, 2010 | Dremel 400 Series Xpr Rotary Tool Kit with...

1 Answer

How to install brush spring


There is 2 blue caps on both sides of the Dremel.Just unscrew it with the Dremel wrench and replace the brushed.

Oct 06, 2010 | Dremel 400 Xpr Rotary Tool

1 Answer

I have a collet nut that will not loosen. at one point while turning the shaft lock button pops up; even when pressed


Sorry, but I seem to have ( essentially ) the same problem... no positive lock. holding the button down while rotating the shaft to find the "best hold" then applying extra pressure sometimes helps. I had no problem with an older model. 400 XPR also seems to overhheat badly.
My ultimate solution: purchasing the model 4000.

Apr 25, 2010 | Dremel 400 Series Xpr Rotary Tool Kit with...

1 Answer

I was just using my 400XPR and it stopped running cold. Could I have burned out the motor? There's no smell that would indicate that.


Could be the brushes burned out. Don't panic, they are user replaceable. If you have the user guide it should explain exactly how to do it. If you don't have the guide you'll first need to get a set of replacment brushes from a larger hardware store. Make sure to get brushes for your model. On the side of the tool are black slotted caps that can be unscrewed BE CAREFUL THE SPRINGS UNDER THE SCREW CAP CAN GO FLYING. With the cap removed the old brush will fall out and can be replaced with the new one. 2 brushes, one on each side are needed. The 400XPR is a newer model so if this doen't repair it, there may be a defect in the tool.

Mar 07, 2010 | Dremel 400 Series Xpr Rotary Tool Kit with...

1 Answer

Running slower than it originally did


blow out the ducts on the side and if that is not it replace the brushes.

Jun 05, 2009 | Dremel 400 Series Xpr Rotary Tool Kit with...

1 Answer

Dremel 400 xpr stopped working. checked brushes looked ok but replaced with new ones. still not working. tool is still fairly new with only light to medium use.


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

Mar 31, 2009 | Dremel 400 Xpr Rotary Tool

1 Answer

I need to replace the bent shaft that the chuck screws onto


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

Mar 16, 2009 | Dremel 400 Series Xpr Rotary Tool Kit with...

1 Answer

Rotary tools types


Rotary tools can be divided into two types— Cut Out Tools and Basic Rotary Tools. The biggest difference between the two is the size of their motors. Cut out tools usually have larger motors.

Aug 27, 2008 | Dremel 400 Series Xpr Rotary Tool Kit with...

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