wd40 all over it,let it do its stuff, ie penetrate, then open chuck (use forward and back to free it up while holding chuck - be careful) and remove left hand threaded screw inside, remove chuck. clean it up and degrease or buy a cheap new one!!!!!
david harman
May 2008
if u can open the chuck up, and look down it u should see a screw. undo this, then the whole chuck needs to be unscrewed from the drill. hope this helps.
steve
May 2008
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