The V-belt must be replaced when:
- excessive wear
- fringing of side surfaces
- traces of oil
- porosity, surface cracks
Check the V-belt tension by firmly pressing your thumb. The belt should sag about 10 mm. Adjust belt tension if necessary.
Attention: On all models, it is not necessary to tighten the V-ribbed belt, because the spring-loaded tensioning roller keeps the belt tension constant. The position of the tension roller, see section «Tensioning/replacing the V-ribbed belt».
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