TM 9-2320-209-20-3-1 c. Repair. NOTE If directional signal assembly is new or is working go to frame 1. If assembly is not working, go to frame 2. FRAME 1 1. 2. 3. 4. 5. Using screwdriver, unscrew and throw away two screws (1). Using drill and No. 36 drill bit and using screw holes (2) as guides, drill holes through upper body (3). CAUTION When using No. 28 drill bit, do not drill into upper body. Assembly may become damaged. Using drill and No. 28 drill bit, drill screw holes (2). NOTE If tap is not available, use self-tapping screws. Using tap, tap holes in upper body (3). Using screwdriver, screw in and tighten two screws. Do steps 1 through 4 again for other screws (4). END OF TASK 7-244