TM 9-2320-209-20-3-1 FRAME 3 NOTE Some trucks may not have heater fuel line. If not, 1. 2. 3. 4. 5. pipe plug replaces elbow. Using 3/8-inch wrench, screw in and tighten elbow (2). Using 3/4-inch wrench, screw in and tighten tee fitting (4). heater line coupling nut (1) to feed line coupling nut (3) into Using 7/16-inch wrench, screw in and tighten vent line elbow (5) in place as shown. Using 3/8-inch wrench, screw in and tighten vent line coupling nut (6) into elbow (5). Plug electrical connector (7) into receptacle (8). NOTE Follow-on Maintenance Action Required: 1. Reconnect battery ground cable. Refer to para 7-58. 2. Bleed low pressure fuel system. Refer to para 4-10. 3. Test in-tank fuel pump operation. Refer to TM 9-2320-209-10. END OF TASK TA 047133 4-50