SECTION I: FUEL SYSTEMTM 9-2350-256-20b. INSTALLATIONInstall fuel control valves and ID plates in reverse orderusing illustration as guide.NOTEFollow-on maintenance:• Close fuel tank drainvalves and fill fueltank or turn on fuelshutoff valves (refer toTM 9-2350-256-10)• Install powerplant(see paragraph 3-1)4-13 REPLACE FUEL CHECK VALVETHIS TASK COVERSa. Removalb. Installationc. TestINITIAL SET-UPTools:Reference:Tool kit, general mechanic's (Appendix C, item 53)TM 9-2350-256-10Parts:Equipment Condition:• Bushing (Appendix G, item 5)Engine deck removed (see paragraph 9-51)• Lockwashers (2) (Appendix G, item 130)WARNINGDo not smoke or use open flame whenworking on fuel system: explosion mayoccur, causing severe injury or death.NOTETurn MASTER switch and fuel pump switchto OFF position.a. REMOVAL1Remove fuel inlet hose (1) from elbows (2 and 3).2Remove elbow (2) and adapter (4) from fuel check valve (5).3Disconnect fuel pump outlet hose (6) and adapter (7) from fuel check valve (5).4Disconnect manifold heater purge fuel line (8) from coupling (9).4—29
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