SECTION II: PRIMARY, FUEL/WATER SEPARATOR, AND MANIFOLDTM 9-2350-256-20HEATER FUEL FILTERS AND RELATED PARTS4-17 REPLACE FUEL/WATER SEPARATOR AUTOMATIC DRAIN SYSTEM ANDSOLENOID VALVETHIS TASK COVERSa. Removalb. InstallationINITIAL SET-UPTools:Parts:Equipment Condition:• Tool kit, general mechanic'sLockwashers (4) (Appendix G,Powerplant removed (see(Appendix C, item 53)item 117)paragraph 3-1)• Suitable containerWARNINGDo not smoke or use open flame when working on fuel system: explosion may occur, causing severeinjury or death.a. REMOVAL1Open drain cock and bleeder valve on fuel/waterseparator (see paragraph 4-14) and drain fuel intosuitable container.2Disconnect two wiring harness connectors (1 and 2)from control module (3).3Disconnect water level probes (4) and clamp (seeparagraph 4-14).4Remove control module (3) with two attachedwater level probes (4) by removing four screws (5),four flat washers (6), and clamp (7).5Disconnect fuel/water separator filter drain hose(8) from solenoid valve (9).6Disconnect wiring harness connector (1) fromsolenoid valve (9).7Disconnect solenoid valve drain tube (10) fromsolenoid valve (9).8Remove two assembled washer screws (11) andremove solenoid valve (9) from mounting bracket(12).9Remove mounting bracket (12) by removing fourscrews (13), four lockwashers (14), ground (15), andclamp (16).10 Remove nipple (17) from solenoid valve (9) INopening and elbow (18) from solenoid valve OUTopening.4-39
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