TM 9-2320-209-20-3-2 b. Removal. 1. Working on inside of frame and using 5/8-inch wrench, unscrew tube nut (1). Take off tube (2). 2. Using 9/16-inch wrench, unscrew and take off elbow (3). 3. Using 1 1/4-inch wrench, reach around to outside of frame and hold nut on nipple (4). Using 1 1/2-inch wrench, unscrew and take off nut (5). GO TO FRAME 2 13-271