On 14/02/17 18:55, Duncan DiSaudelli wrote:

I have tried a rubber mallet against the chuck sides - no luck.

I have tried heating the chuck with a hot air gun and using the
mallet - no luck.

I can't see how to disassemble the entire drill press to get the spindle
+ chuck isolated, so I wondered if anyone could please suggest a trick
or two which might free the chuck in situ?

Thanks again for any guidance or ideas to experiment with


With other downward forcing methods, perhaps touch the chuck body with
an oscillating multitool to give it a good percussive shake?

--
Adrian C