If you have to move the chuck jaws a goodly distance, a chuck speeder will make the job easier and quicker.
I took a length of aluminum rod, turned a hemisphere on one end and cross-drilled the other end to accept the arm of my chuck wrench. A set screw in that latter end secures the device on the chuck wrench as shown in the photo.
In use, you place the palm of your hand on the hemisphere and rotate your hand in a small circle to rapidly rotate the wrench. Try it; it's simple to make and you'll like it.