TM 9-2320-209-20-3-4 e. Replacement. FRAME 1 1. Put gasket (1) over threaded relief flange on filter bowl (2). 2. Put helical compression spring (3) and fuel filter element (4) into filter bowl (2). CAUTION Do not overtighten filter bowl (2) as gasket (1) may be damaged. 3. Screw in and hand tighten filter bowl (2) into head (5). 4. Reconnect battery ground cable. Refer to Part 1, para 7-58. 5. Start fuel burning personnel heater or powerplant heater. Refer to TM 9-2320-209-10. Check filter bowl (2) for leaks. 6. Turn off fuel burning personnel heater or powerplant heater. Refer to TM 9-2320-209-10. 7. Close battery box door (6). END OF TASK 23-27