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SumpareasandbearinglocationsGasTurbineOrientationINLETCOMPONENTSExhaustcomponentFrontFrameAXIALCOMPRESSORCOMP.REARFRAMELPTurbineHSPTHPTurbineCombustionsystemC.F.F.compressorfrontframeThefrontframesupporttheforwardofcompressorshaft,housetheinletgearboxandtheAsumpfrontframeassemblyInletgearboxTheinletgearboxlinksthecompressorrotorwiththeaccessorygearboxAGBbytheradialshaftfrontframeassemblyInletgearboxTheinletgearboxtrasmitthetorquefromtheaccessorygearboxtotheturbineshaftduringthestartupAndfromthegasturbineshafttotheAGBduringthenormaloperationofthegasturbineA.G.B.accessorygearboxfrontframeassemblyAbearing

Abearingisarollertypebearing.ItsupporttheradialloadoftheforwardpartofthecompressorrotorCompressorTheLM2500+compressorisa17stage,axial-flowcompressor.ItincorporatesVIGVsandvariablestatorsinstages0through6toprovidestall-freeoperationandhighefficiencythroughoutthestartingandoperatingrange.Thecompressionratiois23:1HPcompressorTheHPcompressorisderiveddirectlyfromtheTF39CF6-6aircraftengine.ThiscompressorincorporatesvarioussystemthatwillbebetterhandleonGASTURBINESYSTEMhissectionwewillexplainONLYwichandwerearelocatedthemainHPCcomponentsThestatorcasinghousetheVIGV’ssystemandtheVSV’ssystemandtheairextractionmanifoldformultipourposescope.Thecompressorrotorisassembledwithamultispoolassemblysystem.CompressorCompressorRotorStg.0-1Stg.2to16CouplingCompressorCompressorcasingTheCompressorstatorconsistsofafour(upperandlower)caststatorcasethatcontainsthecompressorstatorvanes.

CompressorCompressorcasingCompressorTwocasemadeofM-142steelBoltedhorizontalsplitallowon-sitemantenaincemanifoldforairextractionmurphyproof(onewayistallation)supportVSVsystemfrontcasingCompressorAirextractionAirextractionfor:SUMPpressurizationSUMPcoolingBLEEDforflametemperaturecontrolinDLEapplicationBLEEDHPrecoupaircompressorIGV-VSVactuationmechanismActuatorpushrodsTorqueshaftShrouds1and2includeinterstageairsealsurfaceofteflon?bondedonthealluminiumshroudsCompressorVSVSTGVanesCompressorVSVSTGVanesShrouds1and2includeinterstageairsealsurfaceofteflon?bondedonthealluminiumshroudsCompressorBorescopeholesThereisaporteverystatorvanestageforispectionofalltheLM2500pluscompressorrotorbladesCompressorCompressorrearframeThecfrsupport:theBsumpthehubthe1°and2°stgHPTnozzlethecombustionsystem.

CompressorCompressorrearframeCRFoutercasesupportthecombustorandthefuelnozzle.CompressorCompressorrearframeSUMPBareahouses4rollerbearingand4ballbearing.4rbearingsupporttheradialloadofrearshaftofcompressor.4bbearingsupportthethrustloadofcompressor.COMBUSTIONSECTIONMainpartsofcombustionsectionare:combustionlinerfuelnozzleignitorCOMBUSTIONSECTIONCowlassembyouterandinnerlinerdomeplateareaCOMBUSTIONSECTIONLINERCOWLASSEMBLYCOMBUSTIONSECTIONIgniterCOMBUSTIONSECTIONcoolingairCombustionHPturbineHPT(highpressureturbine)consistofanaircooled2stg.turbineHPturbineHPTstatorStg1andstg.2statoriccasingarehousedinthenozzlecasing(oroutersupport).Stg1nozzleisboltedontheaftofCRFbyaanularsupport.S

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