Using the DeWalt DWD115K drill is quite easy. First, make sure you've chosen the right bit for your job. If you're drilling into wood or steel, select an appropriate bit and insert it into the 3/8 - inch all - metal ratcheting keyless chuck. Tighten the chuck firmly to hold the bit in place. Then, adjust the speed according to your needs using the VSR trigger. For softer materials, you can start with a lower speed, and for harder materials, increase the speed up to 2,500 RPM.
When using the drill, keep a firm grip on the mid - handle grip. The anti - slip soft grip will help you maintain control. Always wear safety goggles to protect your eyes from debris.
As for maintenance, after each use, clean the drill with a dry cloth to remove dust and dirt. You can also use a small brush to clean hard - to - reach areas. Periodically, check the chuck for any signs of wear and tear. If you notice any issues, it's best to have it serviced by a professional. Store the drill in the heavy - duty kit box provided to protect it from damage and keep it in a dry place.