TM 9-2320-209-20-3-1 FRAME 10 1. Put gasket (1) against flange (2) of lower stack pipe (3), Spread coupling (4) and put over flange and gasket. 2. Move exhaust flex line (5) as needed to aline flange (6) with flange (2). 3. Join lower stack pipe (3) and exhaust flex line (5) using coupling (4). NOTE Coupling (4) must hold both flanges (2 and 6). Make sure gasket (1) stays in coupling. 4. Put bolt (7) through coupling (4) and using 1/2-inch wrenches , screw on and tighten locknut (8). GO TO FRAME 11 TA 047246 5-73