Dong Cheng brand flashlight drill how to change the chuck?
In the drill chuck, where the drill is mounted, there is a screw that screws the tooth, first removing it (the reverse tooth is the opposite of the ordinary screw)
Then chuck the drill chuck down, drill chuck is straight silk, oh, when screwed like ordinary screws, like the screw oh. If it is tight, you can tap with a hammer to loosen the screws.
