TM 9-2320-209-20-3-1 c. Replacement. FRAME 1 1. Slide two clamps (1) on fuel pump (2). 2. Using 9/16-inch wrench, screw in and tighten coupling nut (3) to fuel pump (2). 3. Using 9/16-inch wrenches, screw in and tighten elbow (4) to coupling nut ( 3). 4. Screw filter (5) into elbow (4). Using 11/16-inch wrench, tighten filter. 5. Using 3/8-inch wrench, screw in and tighten elbow (6) to fuel pump (2). GO TO FRAME 2 TA 083344 4-100