DURING THE MUCKING OPERATIONS AT THE VENTILATION SHAFT THE #2 BUCKET(EMPTY) WAS BEING LOWERED INTO SHAFT. AT 291' FROM COLLAR THE BUCKET HIT THE A(#1) PUMP. #2 BUCKET WAS SHUT DOWN. THE SHAFT, BUCKET & PUMP WERE INSPECTED USING THE #1 BUCKET. NO DAMAGE TO THE SHAFT, ROPE OR PUMP BUT THE LOWER RING OF THE CROSS HEAD WAS BENT. RING WAS REPAIRED. 2 METHODS OF EGRESS REMAINED