How to change the drill on a keyless drill
A power drill is one of the most versatile tools available to you. Different materials should be used different drill.By changing out bits, you can drill through materials like plaster, pipe, wood, or metal. Protect your valuable drill by changing bits to match the job. Once you've determined if you need a chuck key to loosen the bit, simply loosen and remove the bit. Take care of your power drill and the bits and you'll extend the life of your tools.
Below is some steps for your reference
1.Loosen the chuck. Grasp the chuck with one hand while you hold the handle of the drill with your other hand. Twist the chuck counterclockwise to loosen it.
2.Remove the bit
3.Set the bit. Hold the bit with your thumb and index finger so that the smooth part of the bit (the shank) is facing the jaws of the chuck. Insert the bit into the chuck and immediately pull it back towards you about a centimeter.
Keep your fingers on the bit and the chuck since the bit isn't secured and could fall out.
4.Squeeze the trigger.