TM 9-2320-209-20-3-1 b. Removal. 1. Working outside of truck and using 9/16-inch wrenches, unscrew and take off three locknuts (1) and capscrews (2). 2. Takeoff exhaust pipe extension pipe (3) and gasket (4). Throw away gasket. 3. Using 9/16-inch wrenches, unscrew and take off capscrew (5) and locknut (6). GO TO FRAME 2 TA 080701 5-18