Westermann Cleanmeleon 2 PRO Betriebsanleitung Seite 166

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Maintenance and servicing
The pre-tensioning of the belt tensioner is described in more detail below.
1. Check pre-tension.
Fig. 28: Belt tensioner top view
✓ To ensure the ideal pre-tension, the inner clamping bushing must be screwed
flush into the outer clamping bushing.
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