TM 9-2320-209-20-3-1 1. Using 7/16-inch open end wrench, unscrew coupling nut (1) from adapter (2). 2. Using 7/16-inch open end wrench, unscrew coupling nut (3) from elbow (4). 3. Pull fuel supply tube (5) out of elbow (4) and adapter (2) and set fuel supply tube aside. GO TO FRAME 7 TA 087562 4-107