TM 9-2320-209-20-3-3 FRAME 5 1. Put outlet tube gasket (1) between pump flange (2) and pipe flange (3), lining up screw holes. 2. Put lockwashers (4) on four screws (5) and using 9/16-inch wrench, screw in and tighten screws. GO TO FRAME 6 18-147