EE WAS ATTEMPTING TO MOVE A HOOD ON THE DISCHARGE END OF A SHAKER SCREEN TO GET INSIDE THE SCREEN TO DO SOME WORK. THE EE WAS USING A COMEALONG TO MOVE THE HOOD BACK. HE HAD A SMALL CHAIN TO H OLD THE COMEALONG IN PLACE TO MOVE THE HOOD BACK THE SMALL CHAIN BROKE STRIKING THE EE IN THE LOWER RIGHT LEG. THE EE WAS TAKEN TO THE LOCAL HOSPITAL FOR TREATMENT. EE WAS PLACED ON LT. DUTY