Keeping in a Chuck and Taper

The chuck and taper on my drill press keep falling out. How do I get them to stay in?

John Brock: Start by cleaning both. Turning specialty stores sell green plastic Morse taper cleaners. I use them for my drill press, metal lathe head stock and tail stock, and the tail stock on my wood lathes.

Carol Reed: Thoroughly clean both the socket and the taper. Use a solvent to remove any hint of lubrication. Also, check for any burrs and carefully remove them.

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