TM 9-2320-209-20-3-1 b. Replacement. FRAME 1 1. 2. 3. Push lamp (1) into socket (2) and turn it 1/4 turn to right. Put light door (3) with lens (4) on light housing (5). Using screwdriver, screw in and tighten two screws (6). END OF TASK 7-180