<p>The dust bag attaches to the dust port and is used to collect sawdust. </p> <p>1. To attach the dust bag simply squeeze the spring clamp and slide clamp over tabs on dust port and release spring clamp.</p> <p>2. The dust bag requires emptying when full of sawdust. Empty it frequently and after completion of sawing . Squeeze spring clamp and carefully remove dust bag from dust port .Empty dust bag in proper trash bin by unzipping the bag.</p>