EE WAS HELPING REMOVE A 25 HP 284T, 150 LB MOTOR FROM THE REFUSE SCREEN. HE WAS STANDING NEAR THE BASE OF THE SCREEN TO REPOSITION THE BOTTOM AS OTHER USED COME-ALONGS TO LIFT IT UP AND AWAY. AS THE MOTOR MOVED THE HOOK PULLED THROUGH THE EYE BOLT IN THE MOTOR, ALLOWING IT TO DROP TO THE SCREEN BASE. EE'S HAND WAS CAUGHT BETWEEN THE MOTOR AND THE FRAME.