TM 9-2320-209-20-3-2 1. Through master cylinder access doorway (1), join hydraulic tube (2) to tube fitting (3) and screw in tube nut (4). 2. Using 3/8-inch wrench, tighten tube nut (4) through doorway (1). 3. Close master cylinder access door (5). 4. Using screwdriver, screw in and tighten screw (6). NOTE Follow-on Maintenance Action Required: Bleed hydraulic brake system. Refer to para 13-15 and 13-16. END OF TASK 13-86