A SLEEVE FROM THE DRILL FELL FROM APPROX. 36"" HIGH, STRIKING THE DRILLER ON THE PINKY. THERE WAS AN ATTEMPT TO REMOVE THE SLEEVE BEFORE RAISING DRILL TABLE INTO THE AIR. THE SLEEVE WOULD NOT C OME OFF AFTER SEVERAL ATTEMPTS. THE DRILLER & HELPER DECIDED TO RAISE TABLE. THE SLEEVE SUBSEQUENTLY FELL. THE DRILLER SUSTAINED A BROKEN FINGER AND A LACERATION REQUIRING MEDICAL CARE.