TM 9-2320-209-34-2-1 FRAME 8 1. Take off fuel return line and fitting (1) and move it out of the way. IF WORKING ON ENGINE LDT 465-lC, GO TO FRAME 9. IF WORKING ON ENGINE LDS 427-2, GO TO FRAME 10. IF WORKING ON ENGINE LD 465-lC, GO TO FRAME 11. IF WORKING ON ENGINE LD 465-1, GO TO FRAME 12 2-9