TM 9-2320-209-20-3-1 b. Replacement. 1. Push two small lamps (1) and large lamp (2) into three sockets (3) and turn them to right. 2. Place gasket (4) into groove and light door (5). 3. Put light door (5) on light housing (6). 4. Using screwdriver, screw in and tighten six screws (7). END OF TASK 7-125