[oletrucks] lock cylinder removal?

[SurfDudeSC@aol.com]

So I put my new lock cylinder in my new ignition switch (GMC too - hard to 
find!) and behold it works great.  But how do I get the darn thing out???  
I'm sure its simple, just don't want to damage it.  Any advice is 
appreciated.

David
57 GMC 1/2 ton, original 270 engine 
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959