Autostop in carbon brushes > replace carbon brush if there is no wear problem on the armature commutator.
the Other defect can be the electronic print. or the powerswitch is clogged with dust between the contacts
modul itself is the smallest chance but the switch to the electric field contacts one of them on the statorfield power cable break (only one fase on machine ) armature/commutator and its stops at a broken collector on a little obliquity brushholder ???
If you have shorting again by trying replace the capacitor but if it is not working try to turn a little the fan insite there is a collector burned out the commutator of the armature . if the machine was too hot replace both the armature and electric field if the lasting is not to great , ask yourself is my machine not to old for repair ?? because of the costs of the spare parts and the housing and remaining part. try out if the machine was not running this connect the cable again switch it on and carefully use a small screwdriver through the ventilation slot over but do not be surprised if he comes quite sparks and run.The electric statorfield can on one coil side be broken
its possible that the mains lead is breaking down, when it stops give the cable a wiggle and see if it starts up again, if it does then just replace mains lead
depends how important it is to vacuum the dust, most generic brand sandpaper discs will have different hole placements for the sander and the vacuum cant suck the dust up. if you are getting swirl marks from the edge of the sander, is the disc too small? a generic brand that is slightly larger may work but try and keep the sander flat or the excess disk can cause a little trouble with the finish.
There are different brush part numbers also:
One model uses pn 492629 Brush pair
one model uses pn 494145 Brush pair
another one uses pn 491363 (Brush and holder)
So it is important to know your exact model number:
Use this site for selecting your sander:
Note all of the model number in the left column. (cookies / pop-ups enabled)
The site will match your model number to the brush set you will need. Just note that on some models it will say brush holder. I used Festool USA. There is a global site at www.festool.com
Any parts will be listed under support / product parts catalog after you select 1 ot the 3 regions.
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