To Insert a Belt | AutoCAD Mechanical | Autodesk Knowledge ...
Click Content tabTools panelChains/Belts drop-downChain/Belt Links. Find In the Draw/Chain Belt dialog box, select Belt. Select the Library button. Choose the type and size of the belt. You may need to select values for the belt from several dialog boxes. Determine the number of links that are to be inserted into the drawing. Choose OK. Select the polyline and starting point for the belt.