Malfunction | Cause | Remedy |
Wiper blade slipping (see the picture on the left) | The brush is dirty | Clean the brushes with a stiff nylon brush or rinse with alcohol |
The edges of the brush are frayed, the brush is torn or worn | Replace defective brush | |
The gum of the brush has grown old, its surface is covered with cracks | Replace rubber band with new one | |
Water remaining on the cleaned glass immediately collects in drops (see picture in the middle) | The glass is contaminated with an oily substance | Clean the glass with a clean cloth soaked in solvent |
The brush cleans well in one direction and badly in the other (see picture on the right) | The rubber band of the brush is deformed on one side | Replace rubber band with new one |
The brush holder is twisted, the brush is skewed relative to the glass | Carefully bend the brush holder so that it is in the correct position | |
Spots left on the glass | Rubber out of frame | Carefully insert the elastic into the frame |
The brush is unevenly attached to the glass due to deformation of the spring bars or frame | Replace brush. This defect most often appears when the gum is installed incorrectly | |
Too little clamping force on the glass holder | Lightly lubricate the spring and brush holder pivots or install a new brush holder |
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