- turn off the windshield wiper;
- slide the protective cover and loosen the now visible hex nut (don't open it completely);
- swing the brush lever back and forth so that it is released;
- now fully unscrew the nut and carefully pull the brush arm;
- put on the new brush arm in the correct position and place it on the glass;
Pic. 346. Definition «correct» the position of the wiper blades relative to each other and the lower edge of the windshield
- check the correct installation of the new brush, for which measure the distance A and B (pic. 346). If spacing A is 20 mm and spacing B = 45 mm, then the brush arm is in the correct position;
- tighten the hex nut to 20 Nm;
- turn on the wiper and make sure that the wiper blades constantly return to the correct position during its operation;
- put the protective cover back in place.
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