Video in which I show how to change a Drill Chuck with two wrench and also with the help of a vice
History:
How to change a Drill Chuck
The drill and the Drill Chuck have a recess to insert the wrench
First you have to know the diameter of the wrenches you need
If the wrench do not fit, you may have to narrow one
It loosens to the left as the screws
If you can not loosen it with the wrench, with the help of a hammer you could loosen it
You can also do the work with the help of the vise
With the help of a wrench