TM 9-2320-209-20-3-1 FRAME 3 1. Using 7/16-inch wrench, unscrew and take off two nuts (1) with lockwashers (2). 2. Take out bolts (3) and lift air horn (4) away from bracket (5). 3. Using 11/16-inch wrench, unscrew and take solenoid (6) from air horn (4). END OF TASK 7-198