Dremel 1800 runs for 10 seconds and then stops.

Ebay and many more online retailers sell these parts.

Change tha capacitor 220uF and it will probably be fine! I did and now it is as new!

Hope this helps

Here is a list of what you can get. If it is not listed there then there is a spot at the bottom of the page to request a manual.

Dremel manuals

You can get the parts from amazon, here: Amazon com dremel scroll saw parts. Have a nice day. David

you should be able to replace the variable speed switch.

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There seems be problems with the electrical systems of the Dremel 1800 scroll stations (had same problem)
Speedcontroller burns out and DC motor gets hit by Main AC voltage.
Earth leakige due to low resistance between DC motor Rotor and earth (flowing current to earth)
Measure rotor copper connections to earth to check for low resistance, should be very high.
Biggest problem is that the main metal body under full main voltage comes and this is a dangerous situation!!!!!!!

All to fix is to repalce (both) fauly parts,
Motor Controller and DC motor

Hope this helps

The Dremel 275 (and other series) have a plastic coupler and spline that connect the motor shaft to the collet shaft (where the tools attach). The plastic fatigues and disintegrates, causing the collet shaft to stop, even if the motor is still running. The fix is about $5.00 --- two parts from Dremel. The 275 case is a **** shell that opens with the removal of six T-10 Torx screws.

You need to replace the variable speed control switch. Other than that, your not doing anything wrong. Have fun