Using the DeWalt DCG413FB angle grinder is quite straightforward. First, make sure the battery is fully charged and properly installed. Attach the side handle for better control. To start the tool, you need to perform two actions on the two - stage trigger. When using it, keep an eye on the grinding wheel. If there's a pinch, stall, or bind - up, the Kickback Brake will activate to stop the wheel quickly and turn off the grinder, protecting you from potential kickback. In case of a power outage, remember that you'll need to cycle the trigger switch to restart the tool. For maintenance, since it has a brushless motor, you don't have to worry about changing brushes. But it's a good idea to clean the grinder regularly, especially after heavy use. Check the grinding wheel for any signs of wear and tear and replace it if necessary. Also, store the grinder in a dry and safe place to ensure its long - term performance.