TM 9-2320-209-20-3-1 a, Removal, (1) Fuel tubes and clamps (low pressure). NOTE Fuel supply line from fuel filter to tube coupling on trucks with LD-465 engine is used for this typical procedure. 1, Working under right side of truck and using 5/8-inch open end wrench, hold adapter fitting (1). Using 3/4-inch combination box and open end box wrench, unscrew and take off tube nut (2). GO TO FRAME 2 4-9