1. The film from pitch and dirt formed on brushes, reduces efficiency of their work therefore brushes need to be washed out clear water with soap from time to time. |
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2. In the mechanism of the drive of brushes of screen wipers can weaken fastening bolts therefore when checking brushes of screen wipers it is also necessary to check and tighten all fastenings (on a photo – a tightening of a nut of fastening of the lever of a screen wiper). |
3. If rubber elements are worn-out, cracked or deformed or badly clear glass, they need to be replaced with the new. |
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