LENCO LS-410 User Manual page 11

3. Place the belt on the motor pulley.
Align one of the platter openings with the motor pulley, and while
pulling both ends of the red ribbon that comes attached to the belt,
place the belt on the motor pulley, as per the diagram. When doing
this, be careful not to twist the belt.
4. Remove the red ribbon from the belt.
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