3500SERIESENGINES3500SERIESENGINES•ADJUSTMENTS&MINORREPAIR•TechnicalPresentation3500SERIESENGINES3500SERIESENGINES1.最主要的调整与维修2.重要调整步骤3.主要的调整工具1.最主要的调整和维护2.重要调整步骤3.主要的调整工具•Thispresentationisaboutadjustmentandminorrepairofthe3500Engine.Itgivestheimportantstepsandshowsthespecialtoolsneededtodothesejobs.INTRODUCTIONTOREPAIRINTRODUCTIONTOREPAIR主要的调整和维修介绍:1.Unitinjectorreplacement2.Injectorsynchronization3.Checkpowersetting4.Adjustpowersetting5.Timingcamshaftstocrankshaft6.Injectorpumpplungertiming7.WaterpumpsealreplacementUNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•Followtheseprocedurestoreplaceaunitinjector…•喷油器更换或检查的步骤UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT拆卸步骤1.与相位无关的步骤，但最终恢复时是有关的2.先松下气门罩－numbering？3.拧松摇臂轴螺栓,取下摇臂轴和摇臂－numbering？从气门桥销上取下气门桥－numbering？•1.Removethevalvecover.•2.Removetheboltsfromtherockerarmshaft.Lifttherockerarmsandshaftfromthevalvecoverbase.•3.Removethevalvebridgefromthedowels.UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT4.松开并取下油门齿条操纵杆螺栓的锁紧螺帽和垫片5.松开并取下直角杠杆支架组件螺栓•4.Removethelocknutandwasherfromthecontrolrodbolt.•5.Removetheboltsfromthebracketsofthebellcrankleverassembly.UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT6.将直角杠杆从喷油器齿条操纵拨叉口滑出并取下直角杠杆7.松开并取下喷油器压板•6.Slidethebellcrankfromtherackoftheinjectorandremovethebellcrankleverassemblyfromthecylinderhead.•7.Removetheboltfromtheinjectorclampandremovetheclamp.UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•移走角形杠杆和底座后可将气门桥拿走－Numbering？注意:要用干净搽布将容易掉入小零件的孔堵起来•Withthebellcrankleverassembly,thevalvebridgesandtheinjectorclampandboltremoved,theinjectorisreadytoberemoved.UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•8.Pulltheunitinjectorupandoutoftheboreofthecylinderheadandremoveitfromtheengine.•CAUTION:DONOTpryonrackorlocationdowelsorpointsthatwillcausedamage.•将喷油器垂直向上从喷油器孔取出注意:不能撬油门齿条或定位销部位以免损坏•Withtheinjectorremoved,makesuretheinjectorboreinthecylinderheadisclean.•移走喷油器后应确保喷油器孔清洁，或进行喷油器孔的清理，并在未安装喷油器前对孔进行防护UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•InstallnewO-ringseals(3)ontheinjectorhousing(nut)andputcleanengineoilontheO-ringseals.•Makesuretheplugisinstalledinthetopofthecylinderhead.Theninstalltheinjectorbody...UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT安装喷油器前的事项喷油器套O型圈并用干净机油涂抹喷油器套已装UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT安装步骤9.将喷油器孔清理干净10.将喷油器套上O形圈并在圈表面涂抹少许机油•9.Cleantheinjectorboreofthecylinderhead.•10.PutnewO-ringseals(3)ontheunitinjectorandputcleanengineoilontheO-ringseals.UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT11.将喷油器装入喷油器孔，注意应对正两侧的定位销UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•将喷油器压入缸盖上的喷油器孔•将喷油器装入喷油器孔，注意应对正两侧的定位销UNITINJECTORREPLACEMENTUNITINJECTORREPLACEMENT•装上喷油器压板和压紧螺栓，并按规定扭矩拧紧•11.Puttheinjectorinpositionwiththeboreofthecylinderhead.Makesurethetwo(2)dowelsintheinjector’sbodyareinalignmentwitheachsideofthebridgedowel.•12.Pushtheunitinjectordownintotheboreofthecylinderhead.•13.Installtheclampandbolt.Tigh...
