TM 9-2320-209-20-3-3 FRAME 3 1. Put gasket (1) and cover (2) in place. 2. Put air vent line (3) in place. Turn cover (2) if needed to line up two coupling nuts (4) with two fittings (5). Hand tighten coupling nuts. 3. Put on and hand tighten clamp ring (6). Check that clamping holes cover (2). Using 1/2-inch wrench, tighten nut (7). 4. Using 13/16-inch wrench, tighten coupling nuts (4). GO TO FRAME 4 18-221