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Smoke, smell from the screwdriver? Sparking brushes? It's not a problem! In this video, we will try to overhaul the electric motor using an old BOSCH screwdriver as an example. It won't take much time and a good result will be achieved. Of course, replacing the electric motor is easier if you have it at hand and with the right parameters, but simple maintenance will also increase the service life of the tool as a whole! Link to inexpensive and quite high-quality electric motors for screwdrivers from Aliexpress. http://ali.pub/4gq0dx 12 Volt 12 teeth. The price sometimes drops to 5.5 USD per piece, which is very cheap. To choose from: http://ali.pub/4gq0ot different voltage and number of teeth. For example, locally our motors cost about 1 thousand rubles. If you need repair kits for rear covers, brush holders and brushes, you can buy them here http://ali.pub/55wj9m I am currently collecting statistics on the reliability of sellers and the quality of electric motors. Regarding flushing engine components: an alternative to alcohol is gasoline galoshes. If you are interested in my version of converting a screwdriver to lithium batteries, please indicate in the comments, I will make a video on this topic, since the topic is really promising. If you find a flaw in this video, please indicate what the problem is. I am trying to make better quality content. Support me with likes and subscribe to the channel.