奥迪全系自学手册（SSP）：ssp259_gb.pdf

《奥迪全系自学手册（SSP）：ssp259_gb.pdf》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Service.Self-StudyProgramme259EPHS–ElectricallyPoweredHydraulicSteeringDesignandFunctionEPHS–ElectricallyPoweredHydraulicSteering259_033TheEPHS=ElectricallyPoweredHydraulicAdvantagesoftheEPHS:SteeringisfamiliarfromtheLupoFSI.ThissystemissuppliedbyTRWandbyKOYO.Imp

2、rovementincomfort,easytooperatewhenparking,Thenewsteeringsystemoffersawiderangeofbutsteeringfirmathighspeedsadvantageswhileatthesametimeretainingthe(safetyfactor).excellentsteeringpropertiesoftheconventionalhydraulicpower-assistedsteering.Fuelsavings,astheenergyc

3、onsumptionisbasedondemand–irrespectiveoftheoperatingstateoftheinternalcombustionengine.NEWImportantNoteTheSelf-StudyProgrammedescribesthePleasealwaysrefertotherelevantdesignandfunctionofnewdevelopments!service-literatureforup-to-dateinspection,Thecontentsarenotup

4、dated.adjustmentandrepairinstructions.2AtaGlanceIntroduction...................................4SystemOverview..............................8DesignandFunction...........................10FunctionDiagram.............................20Service.......................

5、...............21TestYourKnowledge..........................24SubjectIndex.................................263IntroductionThepressurerequiredforthesteeringservoInthenewsteeringsystem,althoughtheassistance,isproducedbyahydraulicpump.hydraulicslikewiseassisthumanst

6、eeringeffort,thehydraulicpump–agearpump–isdriveninThispumpisdrivendirectlybythevehiclethiscasebyanelectricmotorandismechani-engine,asintheconventional,familiarpower-callyindependentofthevehicleengine.assistedsteeringsystem.Thehydrauliccontrolisofidenticaldesign.A

7、newfeatureisthesteeringservoassistanceInotherwords,partoftheenginepoweroutputbasedonthesteeringanglerateandvehicleisrequiredfordrivingthepump.speed.AtthemomentatwhichthegreateststeeringAsteeringanglesensorisadditionallyintegratedservoassistanceisrequired–mainlywh

8、enforthispurposeinthehousingoftherotarydiscparking–enginespeedisatitslowest.valve(refertoFig.below),whichtransmitstheThepumpcapacityisdesignedforsuchacase.stee