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757_Fuel.docx - 9“ 3-757 33 System Description Location...

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Unformatted text preview: 9“ 3-757 33:: System Description Location of System Components Introduction Tffl'oaroanumoarofounpomntsasoodatod vdfilthafualsystom. Thisdiagram ilhstratosfl'lo boafion oFH'Io maju‘oon'pu'lonts :5 :5 :fi Surge Tank morning Fusing Post ’ -.. Dvomlng Fuellng Port \_)\___ [W Surg- Tank {I GENUINE @m. FUEL 3-757 33: System Components Introduction lCitan'lpitnunentss Fuel Tanks Tank Ca pat: ltyllI mm The fuel systemsuppies fuel forfl'le engines and AFU. The oomponents of the fuel system 'nolude: * Fuel Tanks Fuel Quantity System Fuel Pumps lICirossfeed "I.I"alve{s} Fuel'ngI'Defuel'ng Panel The wing stmoture oontains left and right rrte'n tanks and a center tank. The left, right, and oenter tanks each oonta'n two AG fuel pumps fiddifionally, the left main tank oonta'ns a DC fuel pump, dedicated to ‘lZl'lfl AFUsystem. Surgetanlisare provided neareaoh whgt'p. Fuelfromeaoh surge tankis dra'ned into its respective main tank Fuel Capacities Level Attitude m Land RTotal 434i) All Total 11240 Fuel Density= fl? lst'U.S. Gallon G“. B 757 23.1fl.5 FuEL - Apr 1,1991 Fuel Quantityr [Continued] Fuel allll'lti'lj' Fuel quanfity data, measured by probes 'n eaohtanlt, is fed to 1118 fuelquanfity Data prooessorwhereit is ooITectedfordensityandthen displayedona Fuel Quantity Indicatorfiaread'l tanlL TotalFuell:|uii|nfitg.rI from aseparate calculation, isshown on 1113 Total Fuel Quantity Indicatorand is provided to file FMG. Fuel Temperature olifl'le fuel infl'le right main tank isdisplayedonthe FuelTen'Iperature Tempe return Indicator in deg rees oenfigrade. 6?" 3-757 .317: | Fuel Pumps Intmductiun This schamafit: ilLtstratas 111a fud system. '"‘ NC 5529 and Imr " Alrcrlft 56K): and later have dutl cross 'h-I-d van!“ Install-d. @ua FLEL 3-757 .33: | Fuel Pumps [continued] Illin Tank ac Pllnps I Center'l'ankhc Pllllps DCPllnp APLI Fuel Feed Ead'l maintankoonla'nstlwo AC motor driven purrps hbeled forward arld aft. anh pump llasfilecapacityofsupplyl'rlgadequatefueltooneerlg'neforallfilmstoorldifiorls. Two AC motordrilren pumpslabeled left and riglltareirlslaled in file oenter tank. These pumps have approximately twice file ouiput pressure oftlle rra'n tank fuel purrps. When all six pumpsare operat'ng, oenter tank pumps ouerride mainth pumps arld provide oerlter tank fuel to file erlg'nes. The left main tank oorltal'rlsa DC fuel pump which has no oonfiols or 'ndirators in file fight deck. The DC pump operates automafioally to provide fuel to file AF‘U when AC power is not allaiable and file APU switch is ON. Fuel is suppied to file AF'LI from file left fuel manifold. AF'LIfuelfeed can be provided byarlyoperamghc fuel purrp orthe DC pump. Wifil file AF'Usw'itollONarld AG powerorl file aircraft, file left forward fuel pump operatesautornafiraly regardlessof itssw'itoll posifionand cannot be turned offon file ground. Infigllt, file left forward purrp can be turned off by oyol'ngthe pump switdl. @"a B 7 5 7 23.11.13 FUEL - my 1, mos Single Crassfeed Valve [NC 5511] Intmductiun Engine fuel rranifnldsare connected 'n sucha mannarfl'lat any tank pump may supply fLIalteeifl'Ierenghe. Acressfaad valve isahtes tl'lfl left manifold from file right The valve is nDITnaliv closed prmidirg fuel feed from tankte angina. Thavalve rnavbanpaned anvfirna it blames neaassarvtefaedanmginafrm'lfile Dppnsitefualtank. Iffl'le valve pesifim doesn‘t agree will] ‘lZl'IB switch pasifion, a valve disagreement light ihn'l'nates and tl'lfl EIGFE advisory message FUEL GROSSFEED isdispiavad. UPPER EEIE DISPLAY "NC 5529 and later CHEMIC- 9" 3-757 :11: Fueling System mam THE. Iiag'am ihsfl'atas fi'lfil filing system“. SEED!” 1G @ua FLEL B-757 ill: Fueling System [Continued] Overview Fueling Tani: Ovlrfill Eyahm Over-Thr’fling Fill Paris Nonnal fusing is atmnplished through dual nozie adapters locatedon the right wing leading edgesparatthe fueing station. AI fueling operatbrts, except fuel pumpmntrol, are aooompished at ti'lfl fuelstafion. Open'ngthe station doorappies DC power to ti'lfl fuel'ng system and removestlle oentertanit pump operat'ng 'nhibit. Tuantyeight volts DCfromfl'leairorafi batteryisal that is requ 'red for fuel hg. The a'rplane isfilied automatically by hydrantonrtanit pressure. AI tanks may befueied atthe mmefime. Fuel flows through ti'IB dual rlozzlesto pressurize afuel'ng rranilbld. Fusing valves mnh'olthe flow olffuel from the fuel'ng manifold into each ofthe fl'lree fuel tanks. The fusing valves may be operated by switches on ti'lfl fueling panel. Afuelquantity maybe preselectedforeaohtank.Thefueingvalves-::Iose automatically whenfile preselected quantity is reaohed Drwhen ti'lfl tankisful, wilioheueroooursfirst. Atanlt overfil system is providedto prevent fuel spilage. Ifarly fuel isserlsed in ti'lfl surge tanksdurirlg fuel'ng, a signal issentto oiosethe fusing valves. The maintanits may also befueled rranualythrough ova-the-wing fill ports. There are no m-fl'le-wing fiI ports for the oentertanit. 9* 3-757 ff: Controls and Indicators Looatlon of Controls and Indloabrs Inhoclucfion Thisciag'arn ihstratosfilo location offilofud system mtdsmdirflimtominfllo fight dock. OVERHEAD HEEL I'llfl. 1111' |'-' LI]:- FUELTEF'G Fuel Contnl Panel ln'hudllcfinn Thafualmnt'ul pmal is hmtfld unthfl mad penal. FUEL Ft IFEEH Pumps iIHCHhFT 5511 AIRCRAFT 5511 Ind 53!! GREENE: ...
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