EE WAS REMOVING MUD FROM ROLLERS ON THE TELESTACKER W/A HAMMER WHILE THE BELT WAS RUNNING. THE HAMMER WAS SUCKED IN BETWEEN THE ROLLER & BLET & THE EE WAS NOT ABLE TO LET GO OF THE HAMMER. THE EE'S RIGHT ARM & SHOULDER WERE SQUEEZED IN BETWEEN ROLLER & BELT. EE HAS A BRUISED RIGHT ARM/SHOULDER CUT BEHIND EAR & FRICTION BURN ON BACK OF SHOULDER.