TM 9-2320-209-20-3-2 c. Replacement. NOTE Put anti-seize tape around fittings before replacement. 1. Using 1-inch wrench, screw in and tighten elbow (1) to position noted. 2. Using 1 3/8-inch wrench, screw on and tighten valve (2). 3. Using 7/8-inch wrench, screw in and tighten 4. Using 3/4-inch wrench, screw in and tighten 5. Using 5/8-inch wrench, screw in and tighten 6. Using 7/8-inch wrench, screw in and tighten 7. Using 3/4-inch wrench, screw in and tighten 8. Using 5/8-inch wrench, screw in and tighten adapter (3). elbow (4) to position noted. elbow (5) to position noted. tee fitting (6) to position noted. safety valve (7) to position noted. two drain cocks (8). 9. Using 11/16-inch wrench, screw in and tighten tee fitting (9). GO TO FRAME 2 13-210