TM 9-2320-209-20-3-2 FRAME 2 1. Place 1/2-gallon container under master cylinder assembly (1) to catch any hydraulic fluid which may drain from hydraulic oil lines. Leave container in place until master cylinder is removed. 2. Working through opening (2) using 3/8-inch wrench, loosen tube nut (3). 3. Working through master cylinder access doorway, reach in and unscrew tube nut (3). Take off hydraulic tube (4) from master cylinder (1). GO TO FRAME 3 13-79