EMPLOYEE STATED HE WAS CLEANING ON THE NO. 3 BELT USING THE #16 SCOOP. HE WAS OPERATING THE SCOOP WITH HIS RIGHT HAND ON THE STEERING CONTROL LEVER AND THE LEFT HAND WAS POSITIONED OUTSIDE TH E OPERATOR'S COMPARTMENT OVER THE FRAME AT THE CENTER SECTION. WHEN SHOVING GOB ND TURNING IRGHT HANDED INTO THE BREAK THROUGH, THE SCOOP CENTER SECTION CLOSED OFF ON HIS LEFT HAND. HE RECIE