TM 9-2320-361-20 14-28. PRIMARY HEATER FUEL LINES REPLACEMENT This task covers: a. Fuel Tank Shutoff-To-Fiter Hose d. Filter-To-Pump Inlet Tube Installation Removal e. Pump Outlet-To-Adapter Tube Removal b. Fuel Tank Shutoff-To-Filter Hose f. Pump Outlet-To-Adapter Tube Installation Installation g. Fuel Heater-To-Adapter Tube Removal c. Filter-To-Pump Inlet Tube Removal h. Fuel Heater-To-Adapter Tube Installation INITIAL SETUP: APPLICABLE MODELS M109A3 and M185A3 MATERIALS/PARTS Antiseize tape (Appendix C, Item 27) REFERENCES (TM) TM 9-2320-361-10 EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Pump cover removed (para. 14-26). GENERAL SAFETY INSTRUCTIONS Keep fire extinguisher nearby when working with open fuel lines. WARNING Do not perform this procedure while smoking or within 50 feet of sparks or open flame. Fuel is flammable and can explode easily, causing injury or death to personnel and damage to equipment. a. Fuel Tank Shutof-To-Filter Hose Removal NOTE Have drainage container ready to catch fuel. 1. Remove hose (5) from shutoff (4) and allow fuel to drain. 2. Remove hose (5) from elbow (6). b. Fuel Tank Shutoff-To-Filter Hose Installation NOTE Wrap male pipe threads with antiseize tape prior to installation. 1. Install hose (5) on elbow (6). 2. Install hose (5) on fuel shutoff (4). c. Filter-To-Pump Inlet Tube Removal Remove tube (2) from elbow (1) and elbow (3). d. Filter-To-Pump Inlet Tube Installation Install tube (2) on elbow (1) and elbow (3). 14-40