TM 9-2320-209-20-3-1 b. Replacement. 1. Plug in three plugs (1) as tagged. Take off tags. 2. Put sealed beam (2) in ring assembly (3) and aline three tabs (4) with three notches (5) on sealed beam. NOTE Make sure that drain hole in retaining assembly (retaining ring and mounting ring) is placed at the bottom. 3. Put retaining ring (6) on three screws (7). Push it in and turn it to right. Using screwdriver, tighten three screws (7). 4. Put mounting ring (8) over sealed beam (2), alining holes. 5. Using screwdriver, screw in and tighten three screws (9). END OF TASK 7-103