[. . . ] Disconnecting the tool will prevent accidental starting that could cause serious injury. SANDING DISC SELECTION Selecting the correct size, grit and type of sand paper is extremely important step in achieving a high quality sanded finish. Aluminum oxide, silicon carbide, and other synthetic abrasives are best for power sanding. [. . . ] If this occurs, turn sander off and wait until sanding disc comes to a complete stop, then remove it from 2 Keep the cord away from the sanding pad and position the cord so that it will not be caught on lumber, tools, or other objects during sanding. Always wear safety goggles or safety glasses with side shields when operating the products. Failure to do so could result in dust, shavings, or loose particles being thrown into your eyes, resulting in possible serious injury. Remove your hand from vent area, remove sanding disc, then with your hand removed from vent area, turn sander on and run it free without a load to cool motor. For detail sanding such as corners and crevices, use the tip of the sanding pad with small back and forth motions. For more efficient operation, empty the dust box when it is no more than half full. Always empty and clean the dust box thoroughly upon completion of a sanding operation and before placing the sander in storage. This tool features a live tool indicator which illuminates as soon as the tool is connected to the supply. This warns the user that the tool is connected and will operate when the switch is pressed. The tool should never be connected to a power supply when you are assembling parts, making adjustments, cleaning, performing maintenance, or when the tool is not in use. Disconnecting the tool will prevent accidental starting that could cause serious injury. Collected sanding dust from sanding surface coatings such as polyurethanes, linseed oil, etc. , can self-ignite in your sander dust box or elsewhere and cause fire. To reduce the risk of fire, always empty your dust box frequently (10-15 minutes) while sanding and never store or leave a sander without totally emptying its dust box. Most plastics are susceptible to various types of commercial solvents and may be damaged by their use. Failure to unplug the tool could result in accidental starting causing possible serious injury. NOTE: For a more thorough cleaning of the dust box, remove dust box from frame, and shake out dust. To change sheets, simply pull the used sheet off the base and attach the desired sheet by pressing the sheet or pad onto the base of the sander. [. . . ] the declared vibration emission level represents the main applications of the tool. However if the tool is used for different applications, with different accessories or poorly maintained, the vibration emission may differ. This may significantly increase the exposure level over the total working period. [. . . ]