Repair of electric hair dryer

Repair of electric hair dryer of Scarlett SC 074 with own hands.
A problem consisted in that at plugging in a network a hair dryer strongly warmed up here a ventilator (motor, engine) did not work and the corps of hair dryer was strongly heated. Visual examination of damages did not educe teardown. Then rang chains proringing in a tester and appeared, that engine on 18 In the so-called precipice. Teardown engine found out the strong obstruction of a collector brush knot foods of friction it is a graphite of brushes and copper of collector, after cleaning an engine began to work a solvent. Collected a hair dryer I use.
During work applied a tester, screwdriver, solvent, tampon for ears, accumulator from a drill. Repair parts was not to change. To my mind this defect is the prime, good example of repair of appliances without charges on repair parts. This repair will be able freely to repeat beginning master.

[@madTTA]

Мотор как припаять у меня отвалился полярность есть?

[@provad5235]

сам процесс разборки зачем удалили?