Quote Originally Posted by Marauder View Post
Thank you for the reply. yes removed knob after set screw loosened. spindle is threaded. Inspected spindle which appeared to be ok. Did not remove it. Reinstalled knob by screwing it on till looseness was minimal but still play while turning knob.
Sounds like the hub into which the spindle goes may be worn. These are usually made of cast bronze and can be repaired. The lock body needs be removed from the door, the worn part extracted and then built up by brazing and finally filed down to assure a snug spindle fit.

Pete