TM 9-2320-209-20-3-1 (2) Breather tube (trucks with engine LDS 427-2). 1. Working under hood using 7/16-inch wrenches, unscrew and take off capscrew (1) and nut ( 2). Spread open and take off clamp (3) . 2. Using 3/8-inch wrench and 7/16-inch combination box and open end box wrench, hold adapter fitting (4) and unscrew and take off tube nut (5) . 3. Using 7/16-inch wrench, unscrew and take off adapter fitting (4) . 4. Using 5/8-inch open end wrench, unscrew and take off tube nut (6) . 5. Using 13/16-inch wrench, unscrew and take off adapter fitting (7) . GO TO FRAME 2 2-20