TM 9-2320-209-20-3-1 c. Disassembly of Secondary and Final Fuel Filters, NOTE This task is the same for secondary final fuel filter. This task is shown filter. fuel filter and for final fuel 1. 2. 3. 4. 5. 6. NOTE Before taking off elbows (1) , note their positions so they will be put back at same angles. Some trucks may have only one bleeder valve (3). Using 9/16-inch wrench, unscrew and take off three elbows ( 1). Using 5/8-inch wrench, unscrew and take off elbow (2). Using 7/16-inch wrench, unscrew and take off two bleeder valves (3). Using 9/16-inch wrench, unscrew and take off drain cock (4). Using 5/8-inch wrench, unscrew and take off sleeve nut (5) , washer (6) , and gasket (7). Throw away washer and gasket. Take off filter housing (8) , and throw away filter head gasket (9). GO TO FRAME 2 4-65