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What are the two little blocks with the springs on them called that you put into opposite sides of the dremel? i thought they were fuses but when i search for dremel fuses or power tool fuses i dont find anything. i replaced the originals and now they need to be replaced again, but i dont know what they are called.

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They are called the brushes.

Posted on Sep 07, 2009

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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

My dremel works intermitently. As I move the switch from one speed to another it will momentarlly run. Whats the problem? THANKS


You described intermitten pwer supply, follow this procedure:

1. check your power cord for breaks or kinks, especially where it join the piece or plug
2. if cord is ok, check/replace brushes.

To check/replace brushes on dremel 395 follow this procedure:

1. switch off unit, remove power cord.
2. with flat screwdriver remove gently brush covers, WATCH FOR LITTLE SPRINGS!!!
3. check brushes for wear, springs if connect correctly, if brushes are thinner than 3.2mm (1/8") replace with new ones, this check should be carried regardless after about 50hrs of use, brushes last about 50 to 60hrs in normal use.

In unlikely case that it is switch, this is as well very easy replaceable.

1. switch off unit
2. remove cable from power source
3. remove brushes following previous procedure
4. remove collar from front of the piece
5. remove side screws and gently pry apart halves, label side up
6. replace switch
7. screw pieces back in reverse order
8. replace back brushes.

All parts are easy available, when purchase brushes or switch, be aware that they fit only particular model!

I would recommend clean table with butcher paper on top, torx/hex screwdriver, philips screwdriver, flat screwdriver - these vary from country to country, I cannot provide what exactly tools you will need, you need to check what screws are holding your piece together, little long nose pliers can be helpful as well.

As you pull handpiece apart put your parts in order in whihc you pulled them apart, when you put them back, it will be easy to put them back in reverse order in which them come apart. For changing brushes you need about 5min (assign 15min), for changing switch or faulty power cord you need about 1h (assign 3hrs), assigned time is theoretical, prctically multiply it by 3...

If you have anymore questions, or require more detailed instructions, do not hesitate to follow this thread and leave note.

Leave note how it go, thanx!

Aug 13, 2010 | Dremel Variable - Speed Multipro Rotary...

1 Answer

Motor works but no drive to shaft.


My 15 year old Dremel 395 had the same problem so I took it apart. There is a plastic spline between the motor and the output shaft to the chuck . My plastic spline was split and had many of its teeth sheared off. The shaft lock acts on the output shaft side of this spline, so it was ok. Otherwise everything looked great; bearings ran free & had little play free, brushes ok. To be fair, my Dremel had seen hard use & doesn't owe me anything. No luck so far finding replacement spline parts, which if available should be easy to install. To take apart your tool, just google "Dremel Disassembly". GOOD LUCK!

Nov 28, 2009 | Dremel Variable - Speed Multipro Rotary...

1 Answer

I have a Dremel 300, i think, lol.. standard Dremel... To losten the collet nut, you have to press down a button that locks the spindle so you can loosen it.. the spring and *** have stipped and it won't...


call dremel and ask for the part need you model number so have it ready Dremel Service Center Dremel Authorized Service 4915 21st Street 4631 E. Sunny Dunes Road Racine, WI 53406 Palm Springs, CA 92264 Phone: 1-800-437-3635 Phone: 1-800-275-2052 1-262-554-1390 1-760-327-3003

Jul 07, 2009 | Tools & Hardware - Others

2 Answers

Know how to put the ice bin latch and spring back together


I had the same problem. When you put the spring back on the little arm towards the button, use a mini screwdriver or something to pull the spring back and pop the latch part back in the indented spots. Then, it will seem stuck but you just put some pressure on the curved side of the latch - opposite from the button and it will "pop" back into place.

Apr 04, 2009 | Kenmore 57029 Side by Side Refrigerator

1 Answer

Dremel Moto-tool model 395 type 1 lock


You can either go to Dremel.com and type in your model number for replacement parts or call their toll free number at 1-800-437-3635 and get that information. Let me know if you need anything further

Feb 20, 2009 | Dremel Variable - Speed Multipro Rotary...

1 Answer

Dremel model 395, Type 5


Brushes are usually conducting carbon sticks at one end of the rotator (spiny bit in middle of motor) there will be two (opposite each other) connecting to the commutator (round copper looking ring with slits in it). The brushes will each have a spring that pushes them onto the commutator and a wire to carry the electricity to the brush.

As the rotator spins, the brushes connect to different coils via the commutator. This allows the electricity to energize the next set of coils to make the motor spin more.

If the motor gets very hot the brushes can stick in their housing and loose contact.
My Dremels (and type) all have the motor cooling exhausts and intakes where you need to hold them. It is quite hard to not block them during use..
I would also get hold of a multi-meter or continuity checker and check that the lead into the motor has not broken inside. Another common problem.

Aug 01, 2008 | Dremel Variable - Speed Multipro Rotary...

1 Answer

How to replace brushes?


On either side of the switch is a black disk with a notch small enough for a small screwdriver. Unscrew it and take it off to expose the spring. Gently pull the spring out and the brush should be attached. If you encounter resistance, then you may disconnect the spring from the brush. If this happens then push the spring back in and hope you catch the brush; if this does not work, then get creative or take the whole thing apart to get to it. After that, just put the new brushes in and recap.

Apr 24, 2008 | Dremel Variable - Speed Multipro Rotary...

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