Originally Posted by
genejockey
In a nearly identical situation (but mine was the NDS crank), I used a pair of drill chuck removal wedges They're about the right size and if you hit them on one side then the other it keeps them square. *tap tap, tap tap, tap CLANG!!* as the crank comes flying off the spindle.
It's been 40 years since I ran machines, but I am guessing you are talking about skinny wedges that go into a slot in the machine spindle to remove a chuck on a morse taper or similar?
I very rarely used such, more R8 and 5C collets.