In article ,
John Rumm wrote:

This started the train of thought - What is the "proper" way go
about removing something (i.e. the chuck for starters) from a
morse taper interference fit?

There's a slot in the side of my pillar drill, at the
top end of the taper and a wedgy thing came with it,
so that the taper can be pushed from the back.

--
Tony Williams.