EE WAS CHANGING BELTS ON THE #4 BELT DRIVE JUST INSIDE THE WASHER. THE CHUTE AT #4 TAIL WAS PLUGGED. 2 OTHER MEN WERE IN THE AREA, TRYING TO CLEAR TAIL ROLLER & CHUTE. THE THOUGHT EE HAD GONE TO RESTROOM. WHEN THEY JOGGED THE BELT, THE EE GOT HIS 4 LEFT FINGERS IN BETWEEN PULLEYS AND BELT AT DRIVE MOTOR.