Many house masters, and on manufacture have in using electrified sandpapers and sharpened, representing the electric motor with nasazhennym on its extended shaft nazhdachnym a stone-circle.
Quite often electric motor entering into a complex of a sandpaper or sharpened, has the case executed from aluminium alloys, and contains the longitudinal edges serving for strengthening of heat removal from the engine at work of a sandpaper.
One of these edges creates inconvenience at work on a sandpaper. Inconvenience consists that at processing even a rather short detail it rests against a case edge. It prevents to bring correctly a processed detail to nazhdachnomu to a disk.
Will work much more conveniently if this edge or part it to remove. Elimination of a longitudinal edge of the case of the electric motor can be executed nozhovkoj on metal or the pointed chisel.
After that will work on a sandpaper more conveniently. And on a mode of its work it practically will not affect cooling of the electric motor in any way.
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