Section IV. FUEL FILTER 4-10. FUEL FILTER ASSEMBLIES REMOVAL , REPLACEMENT, TOOLS : 3/4-inch wrench 7/16-inch wrench 9/16-inch wrench 11/16-inch wrench 5/8-inch wrench SUPPLIES : Diesel fuel container, 5-gallon capacity Rags PERSONNEL : One TM 9-2320-209-20-3-1 AND AIR BLEEDING. EQUIPMENT CONDITION : Truck parked, engine off, handbrake set. Preliminary Procedure. Open hood and both side panels. Refer to TM 9-2320-209-10. b. Removal of Primarv Fuel Filter Assemblv. WARNING To prevent fire or explosion, smoking, flame, sparks, and glowing or hot objects are not allowed near truck during maintenance of fuel system components. 1. 2. 3. GO Place container under drain cock (1) . Unscrew (open) drain cock. Screw in drain cock when all fuel stops draining. Using 3/4-inch wrench, unscrew two coupling nuts (2) and pull two fuel lines (3 and 4) out of two fittings (5 and 6) . Take out container and put fuel in approved disposal area. TO FRAME 2 TA 047511 4-55