YILMAZ SC 550P User Manual page 30

8.3.4 Install a new belt in place of one that you have removed.
8.3.5 After installing the new belt, tighten the tensioning spindle by turning it
clockwise by using a no. 8 allen wrench and tension the belt.
8.3.6 Retighten the motor screws after tensioning the belt (PICTURE 25).
8.3.7 Finally,complete belt replacement operation by fastening the belt
housing cover
Belt tensioning
spindle
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