EMPLOYEE WAS RUNNING MATERIAL THRU THE LOADING TIPPLE. EE WAS HAVING PROBLEMS GETTING CLODS IN FEEDER CAUSING IT TO STOP UP. EE WENT DOWN THE THE TUNNEL TO SEE WHAT PROBLEM WAS. EE STUCK RIGHT HAND UP IN FEEDER TO REMOVE CLODS HE HIT THE KILL CABLE KILLING THE BELT CAUSING FEEDER GATE TO CLOSE ON HIS WRIST. EMPLOYEE FAILED TO LOCK-OUT BELT BEFORE WORKING ON FEEDER.