1. Check a condition of rubber working elements of brushes. In case of identification of cracks, material aging traces, and also if the brush badly clears the surface of glass, make its replacement. Replacement of brushes regardless of a condition of their working elements has to be made annually.

2. For replacement of a brush take away the lever from glass in the extreme situation. Develop a brush under 90 °, then fingers wring out a lock uvula (uvulas) and remove a brush from a hook on the end of the lever. At installation of a new brush track reliability of fixing it on the lever. Make sure also of correctness of an arrangement of a brush on glass.

3. Do not forget to check also a condition of a brush of a cleaner of back glass. For removal of a brush wring out a lock uvula and shift a frame in the specified direction.