Fuel Oil Pressure booster 2006-feb

MANB&WDiesel©MANB&WDiesel12006-01-261)Fueloilpressurebooster2)AdjustmentsMANB&WDiesel©MANB&WDiesel22006-01-26MEFuelOilPressureBoosterS50MC-CS50ME-CFuelPlungerHydraulicactuatorFueloilinletpressure8barFeedbackPositionsensorSuctionValve7S50ME-CMANB&WDiesel©MANB&WDiesel32006-01-2698ME(-C)FuelOilPressureBooster01-10-2003(2500/KNB)MANB&WDiesel©MANB&WDiesel42006-01-26FuelInjectionSystemHighpressurehydraulicoil-inletTodrainMembraneaccumulatorFueloilinlet8barSuctionvalveELFI/FIVAProportionalValveSlideFuelvalveFuelplungerHydraulicpistonHighpressurepipe7S50ME-CMANB&WDiesel©MANB&WDiesel52006-01-26FuelOilInjection1.Thepistonsmovetothebottomposition.2.Thefuelinletisopen.3.HydraulicoilleavesthehydraulicoilchamberviatheELFIvalve.4.TheaccumulatorsaresuppliedbytheHydraulicPowerSupply.ThepressurisedhydraulicoilisheldbackbytheclosedELFIvalve.UnpressurisedfueloilPressurisedfueloilUnpressurisedhydraulicoilPressurisedhydraulicoilELFIValvePhase1MANB&WDiesel©MANB&WDiesel62006-01-26FuelOilInjection5.TheELFIvalveisactivatedupwards,closingthereturnflowandopeningfortheflowofpressurisedhydraulicoil.TheoilpassesthroughtheELFIvalveandfillsthehydraulicchamber.6.Thehighpressureforcesthepistonsupwards.7.Thefueloilinletisclosed.8.Thepressureonthefueloilrisesandexceedstheforceofthespringinthecylinder’sfuelinjectionvalve.UnpressurisedfueloilPressurisedfueloilUnpressurisedhydraulicoilPressurisedhydraulicoilPhase2ELFIValveMANB&WDiesel©MANB&WDiesel72006-01-26Indexoffsetat100%loadIndexoffsetat0%loadIndividualChieflimiterFuelindexadjusmentMANB&WDiesel©MANB&WDiesel82006-01-26Timingoffuelinjection(correspondingtoVITadjustmentontheMCengine)AdjustmentofmaximumpressureMANB&WDiesel©MANB&WDiesel92006-01-26Fueloilpressurebooster-TomBallegaard/4140HydraulicCylinderUnitL70MEDoublewallpipeExh.ValveactuatorHydraulicpushrodFuelOilPressureBoosterMANB&WDiesel©MANB&WDiesel102006-01-26Fueloilpressurebooster-TomBallegaard/4140FuelOilPressureBooster,S70MEMANB&WDiesel©MANB&WDiesel112006-01-26Fueloilpressurebooster-TomBallegaard/4140SuctionValve,S70MEMANB&WDiesel©MANB&WDiesel122006-01-26Fueloilpressurebooster-TomBallegaard/4140FuelOilPressureBoosterMaintenancemanual,S70MEFuelpump:•Pumphousingnuts,tighteningtorque:1000Nm•Pumphousing,weight:160kg•Topcoverstuds,screwingintorque:270Nm•Fuelpumpcomplete,weight:322kg•Hydraulicplunger,weight:38kgTopcover:•Topcovernuts,tighteningtorque:410Nm•Outletseat,maxgrindingdiameter:26mm•Topcover,weight:124kgSuctionvalve:•Suctionvalve,tighteningtorque:460NmMANB&WDiesel©MANB&WDiesel132006-01-26Fueloilpressurebooster-TomBallegaard/4140FuelOilPressureBooster,K98MEMANB&WDiesel©MANB&WDiesel142006-01-26SuctionValve,K98MEMANB&WDiesel©MANB&WDiesel152006-01-26FuelOilPressureBoosterMaintenancemanual,K98MEFuelpump:•Hydraulicpressuremounting:2200bar•Hydraulicpressuredismantling:2000–2400bar•Boosterhousing,weight:260kg•Boostercomplete,weight:700kg•Hydraulicplunger,weight:70kgTopcover:•Fuelplungerweight:35kg•Topcover,weight:260kgSuctionvalve:•Suctionvalve,tighteningtorque:1165Nm