TM 9-2320-209-20-3-4 FRAME 2 Soldier B 1. Using 11/32-inch wrench, unscrew and take off two nuts and washers (1). 2. Using screwdriver, loosen duct clamp (2). Turn and take off heater duct (3). Soldier A 3. Take out two screws (4) and take off air inlet adapter (5). END OF TASK 23-10