SECTION II: PRIMARY, FUEL/WATER SEPARATOR, AND MANIFOLDTM 9-2350-256-20HEATER FUEL FILTERS AND RELATED PARTS4-15 REPLACE FUEL/WATER SEPARATOR FILTER ELEMENTSTHIS TASK COVERSa. Removalb. InstallationINITIAL SET-UPTools:Equipment Conditions:• Tool kit, general mechanic's (Appendix C,Grille doors removed (see paragraph 9-57)item 53)• Suitable containerNOTEParts:In illustrations powerplant shown removed for• Filter element, center (final) (Appendix G,clarity only.item 23)• Filter elements, outer (2) (Appendix G, item 24)• Gasket (Appendix G, item 70)• Lockwashers (8) (Appendix G, item 130)WARNINGDo not smoke or use open flame when working on fuel system: explosion may occur, causing severeinjury or death.NOTE• Wipe clean fuel/water separator unit and surrounding area.• Semiannually, or after 750 miles (1207 km) of operation, replace two outer fuel/water separatorfilter elements. Center (final) filter element is normally replaced at engine overhaul only.a. REMOVAL1 Open drain cock (1) and loosen bleeder valve (2). Drain fuel into suitable container.2 Remove eight screws (3), eight lockwashers (4), and eight flat washers (5). Remove cover (6) and gasket (7)from fuel/water separator unit (8). Discard gasket.4-35
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