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4T40E-trans.pdf

4T40E-trans.pdf

上传者: Helium_S 2012-12-11 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《4T40E-transpdf》,可适用于工程科技领域,主题内容包含TEHYDRAMATICCONTENTSINTRODUCTIONHOWTOUSETHISBOOKUNDERSTANDINGTHEGRAPHICSTR符等。

TEHYDRAMATICCONTENTSINTRODUCTIONHOWTOUSETHISBOOKUNDERSTANDINGTHEGRAPHICSTRANSMISSIONCUTAWAYVIEW(FOLDOUT)GENERALDESCRIPTIONPRINCIPLESOFOPERATIONAMAJORMECHANICALCOMPONENTS(FOLDOUT)RANGEREFERENCECHARTTORQUECONVERTERAPPLYCOMPONENTSPLANETARYGEARSETSHYDRAULICCONTROLCOMPONENTSELECTRONICCONTROLCOMPONENTSPOWERFLOWCOMPLETEHYDRAULICCIRCUITSLUBRICATIONPOINTSBUSHING,BEARINGWASHERLOCATIONSSEALLOCATIONSILLUSTRATEDPARTSLISTBASICSPECIFICATIONSPRODUCTDESIGNATIONSYSTEMGLOSSARYABBREVIATIONSINDEXNOTESPREFACEAllinformationcontainedinthisbookisbasedonthelatestdataavailableatthetimeofpublicationapprovalTherightisreservedtomakeproductorpublicationchanges,atanytime,withoutnoticeNopartofanyGMPowertrainpublicationmaybereproduced,storedinanyretrievalsystemortransmittedinanyformorbyanymeans,includingbutnotlimitedtoelectronic,mechanical,photocopying,recordingorotherwise,withoutthepriorwrittenpermissionofPowertrainGroupofGeneralMotorsCorporationThisincludesalltext,illustrations,tablesandchartsCOPYRIGHTPOWERTRAINDIVISIONGeneralMotorsCorporationALLRIGHTSRESERVEDTheHydramaticTETechnician’sGuideisintendedforautomotivetechniciansthatarefamiliarwiththeoperationofanautomatictransaxleortransmissionTechniciansorotherpersonsnothavingautomatictransaxleortransmissionknowhowmayfindthispublicationsomewhattechnicallycomplexifadditionalinstructionisnotprovidedSincetheintentofthisbookistoexplainthefundamentalmechanical,hydraulicandelectricaloperatingprinciples,technicaltermsusedhereinarespecifictothetransmissionindustryHowever,wordscommonlyassociatedwiththespecifictransaxleortransmissionfunctionhavebeendefinedinaGlossaryratherthanwithinthetextofthisbookTheHydramaticTETechnician’sGuideisintendedtoassisttechniciansduringtheservice,diagnosisandrepairofthistransaxleHowever,thisbookisnotintendedtobeasubstituteforotherGeneralMotorsservicepublicationsthatarenormallyusedonthejobSincethereisawiderangeofrepairproceduresandtechnicalspecificationsspecifictocertainvehiclesandtransaxlemodels,theproperservicepublicationmustbereferredtowhenservicingtheHydramaticTEtransaxleTheHydramaticTETechnician’sGuideisanotherPowertrainpublicationfromtheTechnician’sGuideseriesofbooksThepurposeofthispublication,asisthecasewithotherTechnician’sGuides,istoprovidecompleteinformationonthetheoreticaloperatingcharacteristicsofthistransaxleOperationaltheoriesofthemechanical,hydraulicandelectricalcomponentsarepresentedinasequentialandfunctionalordertobetterexplaintheiroperationaspartofthesystemInthefirstsectionofthisbookentitled“PrinciplesofOperation”,exactingexplanationsofthemajorcomponentsandtheirfunctionsarepresentedIneverysituationpossible,textdescribescomponentoperationduringtheapplyandreleasecycleaswellassituationswhereithasnoeffectatallThedescriptivetextisthensupportedbynumerousgraphicillustrationstofurtheremphasizetheoperationaltheoriespresentedThesecondmajorsectionentitled“PowerFlow”,blendstheinformationpresentedinthe“PrinciplesofOperation”sectionintothecompletetransaxleassemblyThetransferoftorquefromtheenginethroughthetransaxleisgraphicallydisplayedonafullpagewhileanarrativedescriptionisprovidedonafacinghalfpageTheoppositesideofthehalfpagecontainsthenarrativedescriptionofthehydraulicfluidasitappliescomponentsorshiftsvalvesinthesystemFacingthispartialpageisahydraulicschematicthatshowsthepositionofvalves,checkballs,etc,astheyfunctioninaspecificgearrangeThethirdmajorsectionofthisbookdisplaysthe“CompleteHydraulicCircuit”forspecificgearrangesFoldoutpagescontainingfluidflowschematicsandtwodimensionalillustrationsofmajorcomponentsgraphicallydisplayhydrauliccircuitsThisinformationisextremelyusefulwhentracingfluidcircuitsforlearningordiagnosispurposesThe“Appendix”sectionofthisbookprovidesadditionaltransaxleinformationregardinglubricationcircuits,seallocations,illustratedpartslistsandmoreAlthoughthisinformationisavailableincurrentmodelyearServiceManuals,itsinclusionprovidesforaquickreferenceguidethatisusefultothetechnicianProductionoftheHydramaticTETechnician’sGuidewasmadepossiblethroughthecombinedeffortsofmanystaffareaswithintheGeneralMotorsPowertrainDivisionAsaresult,theHydramaticTETechnician’sGuidewaswrittentoprovidetheuserwiththemostcurrent,conciseandusableinformationavailableregardingthisproductINTRODUCTIONPrinciplesofOperationsectionbyshowingspecificfluidcircuitsthatenablethemechanicalcomponentstooperateThemechanicalpowerflowisgraphicallydisplayedonafullsizepageandisfollowedbyahalfpageofdescriptivetextTheoppositesideofthehalfpagecontainsthenarrativedescriptionofthehydraulicfluidasitappliescomponentsormovesvalvesinthesystemFacingthispartialpageisahydraulicschematicwhichshowsthepositionofvalves,checkballs,etc,astheyfunctioninaspecificgearrangeAlso,locatedatthebottomofeachhalfpageisareferencetotheCompleteHydraulicCircuitsectionthatfollows•TheCompleteHydraulicCircuitssection(beginningonpage)detailstheentirehydraulicsystemThisisaccomplishedbyusingafoldoutcircuitschematicwithafacingpagetwodimensionalfoldoutdrawingofeachcomponentThecircuitschematicsandcomponentdrawingsdisplayonlythefluidpassagesforthatspecificoperatingrange•Finally,theAppendixsectioncontainsaschematicofthelubricationflowthroughthetransaxle,disassembledviewpartslistsandtransaxlespecificationsThisinformationhasbeenincludedtoprovidetheuserwithconvenientreferenceinformationpublishedintheappropriatevehicleServiceManualsSincecomponentpartslistsandspecificationsmaychangeovertime,thisinformationshouldbeverifiedwithServiceManualinformationFirsttimeusersofthisbookmayfindthepagelayoutalittleunusualorperhapsconfusingHowever,withaminimalamountofexposuretothisformatitsusefulnessbecomesmoreobviousIfyouareunfamiliarwiththispublication,thefollowingguidelinesarehelpfulinunderstandingthefunctionalintentforthevariouspagelayouts:•Readthefollowingsection,“UnderstandingtheGraphics”toknowhowthegraphicillustrationsareused,particularlyastheyrelatetothemechanicalpowerflowandhydrauliccontrols(seeUnderstandingtheGraphicspage)•UnfoldthecutawayillustrationoftheHydramaticTE(page)andrefertoitasyouprogressthrougheachmajorsectionThiscutawayprovidesaquickreferenceofcomponentlocationinsidethetransaxleassemblyandtheirrelationshiptoothercomponents•ThePrinciplesofOperationsection(beginningonpageA)presentsinformationregardingthemajorapplycomponentsandhydrauliccontrolcomponentsusedinthistransaxleThissectiondescribes“how”specificcomponentsworkandinterfaceswiththesectionsthatfollow•ThePowerFlowsection(beginningonpage)presentsthemechanicalandhydraulicfunctionscorrespondingtospecificgearrangesThissectionbuildsontheinformationpresentedintheHOWTOUSETHISBOOKFigureHOWTOUSETHISBOOKUNDERSTANDINGTHEGRAPHICSTheflowoftransaxlefluidstartsinthebottompanandisdrawnthroughthefilter,caseassembly,channelplateassembly,spacerplateandgaskets,controlvalveassemblyandintotheoilpumpassemblyThisisabasicconceptoffluidflowthatiseasilyunderstoodbyreviewingtheillustrationsprovidedinFigureHowever,fluidmaypassbetweenthevalvebody,spacerplate,channelplateandothercomponentsmanytimesbeforereachingavalveorapplyingaclutchForthisreason,thegraphicsaredesignedtoshowtheexactlocationwherefluidpassesthroughacomponentandintootherpassagesforspecificgearrangeoperationToprovideabetterunderstandingoffluidflowintheHydramaticTEtransaxle,thecomponentsinvolvedwithhydrauliccontrolandfluidflowareillustratedinthreemajorformatsFigure(pageA)providesanexampleoftheseformatswhichare:•Athreedimensionallinedrawingofthecomponentforeasierpartidentification•Atwodimensionallinedrawingofthecomponenttoindicatefluidpassagesandorifices•Agraphicschematicrepresentationthatdisplaysvalves,checkballs,orificesandsoforth,requiredfortheproperfunctionofthetransaxleinaspecificgearrangeIntheschematicdrawings,fluidcircuitsarerepresentedbystraightlinesandorificesarerepresentedbyindentationsinacircuitAllcircuitsarelabeledandcolorcodedtoprovidereferencepointsbetweentheschematicdrawingandthetwodimensionallinedrawingofthecomponents•Figure(pageB)providesanillustrationoftypicalvalve,bushingandvalvetraincomponentsAbriefdescriptionofvalveoperationisalsoprovidedtosupporttheillustration•Figure(pageB)providesacolorcodedchartthatreferencesdifferentfluidpressuresusedtooperatethehydrauliccontrolsystemsAbriefdescriptionofhowfluidpressuresaffectvalveoperationisalsoprovidedFigureBOTTOMPAN()OILPUMPBODYASSEMBLY()CONTROLVALVEBODYASSEMBLY()CHANNELPLATEASSEMBLY()SPACERPLATE()GASKETVALVEBODYSPACERPLATE()GASKETSPACERPLATECHANNELPLATE(),ACCUMULATORASSEMBLIES()INTERMEDIATETHSERVOASSEMBLY(,)LOREVERSESERVOASSEMBLY()FILTERASSEMBLY()CASEASSEMBLY()TORQUECONVERTER()ääääääääääääääääääää#baEXLINEPRESSURERELIEFVALVEäREVERSEINPUTCLUTCHASSEMBLY()FORWARDCLUTCHASSEMBLY()INTAKEDECREASECONVERTERLUBEMAINLINESOLENOIDSIGNALACCUMULATORACTUATORFEEDTORQUESIGNALDRIVENSPROCKETSUPPORTNDCLUTCHASSEMBLY()DIRECTCOASTCLUTCHASSEMBLY()RELEASEAPPLYäääääääääääTORQUECONVERTERASSEMBLY()GASKET()SPACERPLATE()CONTROLVALVEBODY()CASE()CHANNELPLATE()GASKET()ACCUMULATORACCEXEX#ACCUMFDäääääääääääACCUMULATORTHBANDACCUMULATORFEED#ääACCUMFDäääEXääLOPRNLOPRNää#PRNEXPRNDDDDLODDDRIVELINEPRNDPRNDPRNPRNPRNPRNREVERSEMANUALVALVEää#DIRECTCLDIRECTCLUTCHFEED#ACCFDäDRIVELOREVERSESERVOäREVERSEREVERSEREVERSELOBANDLOBANDLOPRNDREVDRELDRIVETEMPERATURESENSORPRESSURESWITCHMANIFOLDLODRIVEDRIVELINEPRNDREVERSERELEASEäDäääääääääääääSUCTIONSUCTIONOILLEVELCONTROLLINEDECREASEOILPUMPääääääääDECREASEBLEEDCOOLERCOOLERLUBEääGASKET()SPACERPLATE()CONTROLVALVEBODY()CASE()CHANNELPLATE()CHANNELPLATE()GASKET()OILLEVELCONTROLVALVE()FILTEREDACTUATORFDääDECREASEFILTERASSEMBLY()BOTTOMPAN()ääääääääLINELINEääääääääääääääääääääääääLINEPRESSURETAP()dgLINEeäfabcdecbabaabcääbdcbdacacbcaCHAINLUBEabefaccdbbcabaaabbdacbcaacbdcabhgaäabbabcdOILFEEDTUBEASSEMBLY()bacFORWARDCLUTCHLUBE(ToForwardClutchSupportAssembly)äebdcaACCUMULATORDIRECTCLFDäACCUMULATORFEEDdEXbaeabcdebghafcACCUMULATORACCUMFDdabbacdbacINTERMEDIATEBANDINTBANDINTERMEDIATEBANDDIRECTCLUTCHedINTERMEDIATETHSERVOäTHBANDINTERMEDIATEBANDf#cbaEXEXDDDEXACTUATORFILTERFILTEREDACTFDACTFDäääääääTORQUESIGREGPRESSURECONTROLSOLENOIDEXTORQUESIGNALTORQUESIGLINEFILTACTFDVBSSIGNALEXEXääääACTFDLIMITVALVEEXEXEXäääLINEACTFEEDORIFICEDEXfSHIFTVALVEINTBDFDDDDDDDSIGNALACTUATORFDACTFDDRIVETHBDEXäSHIFTVALVESHIFTSOLENOIDNOOFFDEXSIGNALDRIVEDRIVEEXEXACTUATORFEEDINTBDFDCOASTCLCOASTCLUTCHEXSIGNALäSHIFTVALVESHIFTSOLENOIDNOONSIGNALSIGNALDRIVELOPRNLOBANDEXEXEXINTBANDREVERSEDRIVEACTUATORFEEDdbTCCCONTROLEXRELEASEEXCOOLERAPPLYääääääääääääääääääääääääääääääääääääääääääääääääääääääääääääTCCFEEDLIMITaabbTCCFEEDLIMITVALVEEXEXCONVFEEDTCCFEEDLIMITTCCFDLIMITTCCFEEDLIMITEXäACCUMVALVEEXEXTORQUESIGLINEACCUMACCUMULATORääääääääääääääääääääLINEACCEXEXTSIGääääääääääääACCUMULATORACCTCCCONTROLPWMSOLENOIDTCCREGAPPLYVALVEEXEXEXTSIG(PWM)TCCSIGNAL(PWM)LINETCCRAPPTCCREGAPPLYTCCREGAPPLYFILTEREDDRREVERSELUBECONVFDEXEXDECREASEBOOSTVALVEPRESSREGLINELINELINEääääääääääääääääääääääääTORQUESIGaDIRECTCLCOASTCLLUBENDCLREVERSECLUTCHDIRECTCLUTCHCOASTCLUTCHFORWARDCLUTCHFORWARDCLUTCHORIFICEDEXREVERSECLUTCHFILTER()cbaACCFDDRIVEDRIVEDRIVEDRIVEFORWARDCLUTCHFORWARDCLUTCHTORQUESIGNALLUBELUBELUBEACCUMFDTHBANDTHBANDREVREVTHBANDTHBANDTORQUESIGTORQUESIGLOLOLOLONDCLNDCLUTCHLINELINELINELINELINELINELINELINEäääääääääääääääääääääCONVERTERFEEDTCCFDLIMITTCCFDLIMITRELEASERELEASERELEASERELEASEAPPLYAPPLYAPPLYNDCLUTCHLUBELUBECOOLERCOOLERäLUBELOPRNPRNDPRNDPRNDPRNDPRNDPRNDPRNDääääääääääääääääääääääääääääääääääääääääLOBANDLOBANDäääääääääääääääääACTFDACTFDACTUATORFEEDACTFDääSIGäääääääääSIGNALSIGääääääääääääääääääääTORQUESIGNALTORQUESIGNALTORQUESIGNALäääääääääääACCUMACCUMACCUMULATORFEEDACCUMULATORFEEDREVERSECLUTCHREVERSECLUTCHREVERSEREVERSEREVERSEREVERSEDRIVEDRIVEDRDRIVEDRNDCLUTCHNDCLUTCHNDCLDRIVEDCFDIRECTCLFDDIRECTCLUTCHDIRECTCLUTCHINTERMEDIATEBANDCOASTCLUTCHINTERMEDIATEBANDFDEXEXCASE()CHANNELPLATE()CASE()CHANNELPLATE()DRIVENSPROCKETSUPPORT()CHANNELPLATE()äääääääääUNDERSTANDINGTHEGRAPHICSFigurePUMPCOVERSIDECHANNELPLATESIDEVALVEBODYSIDECHANNELPLATESIDETHREEDIMENSIONALTHREEDIMENSIONALTHREEDIMENSIONALTWODIMENSIONALTWODIMENSIONALTWODIMENSIONALTWODIMENSIONALTHREEDIMENSIONALGRAPHICSCHEMATICREPRESENTATIONCHANNELPLATEFACETWODIMENSIONALTHREEDIMENSIONALTWODIMENSIONALTHREEDIMENSIONALCONTROLVALVEBODYSIDECONTROLVALVEBODYASSEMBLY()OILPUMPBODY()CHANNELPLATEASSEMBLY()DRIVENSPROCKETSUPPORTASSEMBLY()CASEASSEMBLY()VALVEBODYSPACERPLATE()FOLDOUTäAFOLDOUTäääääääääääääGASKET()GASKET()SPACERPLATE()DRIVENSPROCKETSUPPORTASSEMBLY()CASEASSEMBLY()HYDRA

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