EE STATED THAT HE AND COWORKER WERE AT THE SURFACE MAINTENANCE SHOP ATTEMPTING TO PULL OFF THE LEFT SIDE DRUMS FROM THE CONTINUOUS MINER. THEY WERE USING PORTA-POWERS (50 TON). THEY HAD A SLEDGE HAMMER AS A SPACER. THE PORTA-POWER AND HAMMER KICKED OUT AND THE HAMMER STRUCK EE ON THE FOREHEAD, CAUSING A LACERATION REQUIRING 4 STITCHES.