Using the Powermatic DS20 Disc Sander is quite straightforward. First, make sure the machine is plugged into a 230V single - phase circuit with the recommended 30 - amp capacity. Before starting, check the abrasive disc to ensure it's properly installed and in good condition. You can use the forward and reverse switch to adjust the sanding direction according to your needs. For angle sanding, utilize the miter gauge. To perform bevel sanding, tilt the work table to the desired angle. When you're done sanding, activate the hand - operated brake to quickly stop the disc. As for safety, be aware that this product comes with a Prop 65 warning about cancer and reproductive harm, so always use appropriate protective gear. In terms of maintenance, regularly check the dust collection system. The minimum CFM required for dust collection is 600, and the dust port outside diameter is 4 inches. Keep the sander clean and lubricate moving parts as needed to ensure smooth operation and a long service life.