SECTION 11: PRIMARY, FUEL/WATER SEPARATOR, AND MANIFOLDTM 9-2350-256-20HEATER FUEL FILTERS AND RELATED PARTS4-18 REPLACE MANIFOLD HEATER FUEL SUPPLY SOLENOID VALVE AND FUELFILTERTHIS TASK COVERSa. Removalb. InstallationINITIAL SET-UPTools:Equipment Conditions:Tool kit general mechanic's (Appendix C, item 53)• Air inlet grilles removed (see paragraph 9-57)• MASTER switch turned to OFF positionParts:Lockwashers (6) (Appendix G, item 129)WARNINGDo not smoke or use open flame when working on fuel system: explosion may occur, causing severeinjury or death.a. REMOVAL1Disconnect two manifold heater fuel tubes (1) fromfuel outlet tee (2).2Disconnect fuel filter inlet tube (3) from fuel filter(4).3Disconnect electrical harness plug (5).4Remove manifold heater fuel supply solenoidvalve (6) with fuel filter (4) and bracket (7) as anassembly by removing two nuts (8) and two flatwashers (9).5Remove manifold heater fuel supply solenoidvalve (6) with fuel filter (4) from bracket (7) byremoving four slotted-head screws (10), fourlockwashers (11), and two flat washers (12).6 Remove nipple (13) from fuel filter (4), then removefuel outlet tee (2) and elbow (14) from manifoldheater fuel supply solenoid valve (6).7Separate manifold heater fuel supply solenoidvalve (6) from fuel filter (4) by removing nipple(15).8Remove manifold heater fuel supply solenoidvalve (6) from bracket (16) by removing two screws(17) and two lockwashers (18).4-41
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