TM 9-2320-209-20-3-1 c. Replacement. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire ex- tinguisher nearby when solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and damage to equipment. NOTE Clean all fuel line fittings with solvent. Be- fore putting fittings together, put a thin coat of sealer compound on threads of fittings. 1. Screw two elbow fittings ( 1 and 2) into fuel inlet solenoid valve (3) and hand tighten. 2. Using 7/16-inch open end wrench, tighten elbow fittings ( 1 and 2) in fuel inlet solenoid valve. Position each elbow fitting as noted. 3. Screw one elbow fitting (4) into the hole on the side shown of fuel return solenoid valve (5) and hand tighten. 4. Using 7/16-inch open end wrench, tighten elbow fitting (4) in fuel return solenoid valve ( 5). Position elbow fitting as noted. GO TO FRAME 2 TA 087566 4-111