TM 9-2320-209-20-3-2 (c) Elbow and adapter assembly NOTE Elbow and adapter assembly on master cylinder is used for this typical procedure. 1. Using screwdriver, unscrew screw on master cylinder hatch (1) and open hatch. 2. Using 7/16-inch open end wrench, hold elbow (2). Using 7/16-inch combi- nation box and open end wrench, unscrew and take off tube nut (3). 3. Using 3/4-inch open end wrench, hold adapter (4). Using 7/16-inch open end wrench, unscrew and take out elbow (2). 4. Using 7/8-inch open end wrench, unscrew and take out adapter (4). END OF TASK 13-96