EE WAS IN THE PROCESS OF INSTALLING A CUTTING MOTOR ON THE UNIT 3 CONTINUOUS MINER. THE MOTOR WAS BEING MOVED INTO POSITION WITH A CHAIN HOIST, THE CHAIN SLIPPED CAUSING EE TO FALL BACK, STRIK ING HIS LEFT ELBOW AGAINST THE COVERS OF THE CONTINUOUS MINER. THE INJURED EE WILL BE INSTRUCTED IN USING THE PROPER BODY POSITION WHEN USING CHAIN HOIST AND WORKING AROUND EQUIPMENT.