12.4.1. Otvorachivaniye of rusty threaded connections

Before establishing a key on strongly rusted nut, clear the acting part of a carving of dirt and corrosion.
1. Clear a carving a metal brush and apply the getting structure on a carving part.
2. When using high-speed structure begin to turn off a nut right after its drawing.
3. When using slow-acting structure begin to sort knot after penetration term.