On Fri, 08 May 2015 22:38:14 -0500
Martin Eastburn wrote:

Look for a screw of some sort in the throat of the chuck.
Might be there and if there - take it out and then you can
extract the chuck off the arbor.

i fear it will be rusted tight but maybe i will get lucky
i fear it will be a philips head

will found out today