轮机英语关联题篇注解

16关联题PASSAGE1VALVEDRIVEMECHANISMTHEVALVEDRIVEMECHANISMCOMMANDSTHEINLETANDEXHAUSTVALVESATTHEREQUIREDTIMING第3题THEVALVEDRIVEMECHANISMCONSISTSOFANINLETANDEXHAUSTCAMFOLLOWER凸轮随动件8EACHSUSPENDEDIN悬浮在中APLUNGEROFTHETAPPETASSEMBLY挺杆组件7,TWOTUBULARPUSHRODS空心的推杆4WITHBALLJOINTS,TWONODULARCASTIRON球墨铸铁ROCKERARMS摇臂2SUSPENDEDINAROCKERARMBEARINGBRACKET,TWOYOKES吊梁5ANDAYOKEGUIDEPINS导销SEEFIG41THETAPPETROLLERS推杆滚柱FOLLOWTHECAMPROFILESANDTRANSFERTHEMOVEMENTSTHROUGHPUSHRODSTOTHEROCKERARMS第4题THEROCKERARMSOPERATETHEINLETANDEXHAUSTVALVESTHROUGHYOKES5LUBRICATIONFORTHEROCKERARMSCOMESFROMTHEENGINESSECONDARYOILSUPPLYMANIFOLDTHROUGHDRILLINGSINTHECYLINDERHEADANDROCKERARMBRACKET第2题THETAPPETASSEMBLYRECEIVESLUBRICATINGOILVIACHANNELSINTHEENGINEBLOCKFROMTHEMAINSUPPLYMANIFOLDFORTHEROLLERANDSHAFT,THEOILISSUPPLIEDTHROUGHTHEGUIDINGPLUNGER第4题TOCOMPENSATEFORHEATEXPANSIONACLEARANCEMUSTEXISTBETWEENTHEROCKERARMANDYOKE第1题ALLADJUSTMENTSHAVETOBEDONEONACOLDENGINEONLY1ACCORDINGTOTHEPASSAGE,THEBESTTIMETOADJUSTTHEVALVECLEARANCEIS_ABEFORETHEENGINEISSTARTEDBWHENTHEENGINEISRUNNINGCAFTERTHEENGINEHASJUSTBEENSTOPPEDDWHENSOMETHINGHASGONEWRONGWITHTHEENGINE注根据文章来看，调节阀间隙的最好时间是在发动机启动之前。2THEROLLERANDTHETAPPETASSEMBLYARELUBRICATEDBYMEANSOF_2ATHEMAINLUBESYSTEMBTHESECONDARYOILSYSTEMCTHESPECIALPUMPINGSYSTEMDTHETURBINEOILSYSTEM注滚轮和挺杆组件借助于主润滑系统润滑。3ACCORDINGTOTHEPASSAGE,THEVALVEDRIVEMECHANISMDOESNOTINCLUDE_ATAPPETROLLERSBPUSHRODSCNODULARCASTIRONDYOKESANDGUIDEPINS注根据文章来看，阀驱动机构不包括球墨铸铁。（包括杆滚轮、顶杆、吊梁和导销）4TOCLOSEVALVESTIGHTLY,WHICHCLEARANCESHOULDBEINSPECTEDACCORDINGTOTHEMAINTENANCESCHEDULEATHEONEBETWEENTHECAMANDTHETAPPETROLLERBTHEONEBETWEENTHEPUSHRODSANDTHEBANJOINTSCTHEONEBETWEENTHEROCKERARMSANDTHEYOKEDTHEONEBETWEENTWOTUBULARPUSHRODS注依据保养清单，要紧密的关闭阀件，应检查摇臂和吊梁之间的间隙。AACCPASSAGE2CHARGEAIRCOOLERTHEENGINEISEQUIPPEDWITHACHARGEAIRCOOLERTHEINSERTTYPECHARGEAIRCOOLERISMOUNTEDINAWELDEDCASINGAIRTRUNKTHETRUNKISBOLTEDTOTHEENGINEBLOCK第1题STANDARDISATWOSTAGECOOLERMOUNTEDTHEFIRSTSTAGE,THROUGHWHICHTHECHARGEAIRFLOWS,ISCOOLEDWITHWATERFROMTHEHTCOOLINGSYSTEMANDCOOKSTHECHARGEAIRTILLAPPROX90100OCTHESECONDSTAGEISSUPPLIEDWITHWATERCOMINGFROMTHELTWATERSYSTEMANDCOOKSTHECHARGEAIRFURTHERTILLTHEREQUIREDTEMPERATUREOFAPPROX50OC第2题BBYCONTROLLINGTHEWATERFLOWTHROUGHTHELTCOOLERTHECHARGEAIRTEMPERATURECANBEKEPTCONSTANTATTHEREQUIREDTEMPERATURETHECIRCULATINGCOOLANTWATERSHOULDALWAYSBEUNDERPOSITIVEPRESSUREANDSHOULDBEASCLEANASPOSSIBLETHEOPERATINGAIRTEMPERATURESHOULDBEMAINTAINEDBYCONTROLLINGTHECOOLANTINLETTEMPERATUREWHILSTTHEENGINEISRUNNINGTHEAIRANDCOOLANTTEMPERATURESANDPRESSURESATINLETANDOUTLETSHOULDBECHECKEDANDLOGGEDPERIODICALLY第3题VARIATIONSFROMNORMALINDICATEFAULTSDEVELOPINGSUCHASFOULINGOFTHEFILMPLATESOROBSTRUCTIONOFTHEWATERTUBES第4题CHECKDAILY,DURINGOPERATIONOFTHEENGINE,THEWORKINGOFTHETELLTALEHOLEATTHEFREEENDOFTHECHARGEAIRRECEIVERTHEFUNCTIONOFTHISHOLEISTOINFORMTHEOPERATORTHEPRESENCEOFWATERINTHECHARGEAIRRECEIVERUNDERNORMALCONDITIONONLYCOMPRESSEDAIRSHOULDESCAPEFROMTHISHOLE1ACCORDINGTOTHEPASSAGE,THEEXPRESSION“HT“PROBABLYMEANS_AHIGHTANKBHIGHTEMPERATURECHEATTRANSMISSIONDHEATTRANSFER注根据文章来看,“HT“的意思是HIGHTEMPERATURE，高温。2INORDERTOMAINTAINTHECHANGEAIRTEMPERATUREWESHOULDCONTROL_ATHECOOLANTINLETTEMPERATURECOMINGFROMTHEFIRSTSTAGECOOLER3BTHECOOLANTFLOWCOMINGFROMTHESECONDSTAGECOOLERCTHECOOLANTOUTLETTEMPERATURECOMINGFROMTHESECONDSTAGECOOLERDTHECOOLANTFLOWCOMINGFROMTHEFLINTSTAGECOOLER注为维持增压空气的温度，我们应控制来自第二级冷却器的冷却剂流量。3THECHARGEAIRTEMPERATUREDEPARTINGFROMNORMALMAYINDICATETHAT_ACONDENSATECANBEFORMEDBONLYCOMPRESSEDAIRSHOULDESCAPEFROMTHETELLTALECTHEFILMPLATESAREBECOMINGDIRTYORTHEWATERTUBESAREBLOCKEDBYSCALEDCOOLINGWATERMAYHAVEBEENCARRIEDINTOTHECYLINDERS注增压空气温度偏离正常表明镀膜变脏或水管被水垢堵塞。4THEFUNCTIONOFTHETELLTALEHOLEISTO_ADETECTWHETHERCOMPRESSEDAIRHASESCAPEDFROMTHEHOLEBCONTROLTHECOOLANTINLETTEMPERATURECDETERMINEWHETHERTHECOOLANTWATERISUNDERPOSITIVEPRESSUREDINFORMTHEOPERATORTHEPRESENCEOFWATERINTHECHARGEAIRRECEIVER注警报孔或监视孔的作用是同志作业员扫气箱中有水。TELLTALEHOLE监视孔，指示孔，警报孔；CHARGEAIRRECEIVER扫气箱BBCDPASSAGE3STARTINGAIRSYSTEMTHEENGINEISSTARTEDWITHCOMPRESSEDAIROFMAX30BARMINIMUMPRESSUREREQUIREDIS15BARAPRESSURETRANSMITTERPI301MOUNTEDONTHESTARTINGAIRLINEBEFORETHEMAINSTARTINGVALVEHASANINDICATORINTHEINSTRUMENTPANEL第3题THESUPPLYLINEFROMTHESTARTINGAIRBOTTLESISPROVIDEDWITHANONRETURNVALVEANDADRAINVALVETHESOLENOIDVALVEISELECTRICALREMOTECONTROLORMANUALONTHEENGINEOPERATEDANDSENDAFTERACTIVATIONAPILOTAIRSIGNALTOTHEMAINSTARTINGAIRVALVEINTERRUPTIONOFTHECONTROLAIRDOSESTHEMAINSTARTINGAIRVALVE第1题（AFTERTHEMAINSTARTINGAIRVALVEISACTIVATEDTHEAIRFLOWSTHROUGHTHEFLAMEATTESTERSTOTHESTARTINGAIRVALVESINTHECYLINDERHEADSPARTOFTHEAIRFLOWSVIATHESTARTINGAIRDISTRIBUTORTOEACHOFTHESTARTINGAIRVALVESINTHECYLINDERHEADSTHESTARTINGAIRDISTRIBUTORCONTROLSTHETIMINGOFOPENINGANDCLOSINGOFTHESTARTINGAIRVALVES第2题ONTHEMOMENTTHEMAINSTARTINGAIRVALVEISOPERATEDALSOTHEGOVERNORBOOSTERISENERGIZED）THEMAINSTARTINGAIRLINEISPROVIDEDOFASAFETYVALVE第4题INTERLOCKVALVEISASAFETYDEVICETOAVOIDANENGINESTARTWITHENGAGEDTURNINGGEAR1ASTHEENGINEISSTARTEDWITHCOMPRESSEDAIR,THECORRECTSEQUENCEOFTHEFOLLOWINGDEVICESBEINGACTIVATEDIS_1SOLENOIDVALVE2STARTINGAIRVALVE3STARTINGAIRDISTRIBUTOR4MAINSTARTINGAIRVALVE5GOVERNORBOOSTERA1,5,4,2,3B1,4,5,3,2C1,4,3,2,5D4,3,1,2,54注从括号部分总结出，发动机由压缩空气启动时，装置被触发的顺序是电磁阀、主启动阀、调速器升压器、启动空气分配器、启动空气阀。2THESENTENCE“THEGOVERNORBOOSTERISENERGIZED“PARAGRAPH3PROBABLYMEANS_ATHEGOVERNORBOOSTERISSUPPLIEDWITHELECTRICPOWERBHYDRAULICOILISPUMPEDINTOTHEGOVERNORBOOSTERCTHEGOVERNORSTARTSTOWORKBEFORESTARTINGTHEENGINEDTHEGOVERNORBOOSTERISSUPPLIEDWITHPRESSURIZEDAIRBEFORESTARTINGTHEENGINE注句子“调速器升压器被提供能量”大概意思是启动发动机之前，调速器升压器被提供增压空气。3WHICHOFTHEFOLLOWINGCOMPONENTSAREATTACHEDTOTHEAIRBOTTLESAAPRESSURETRANSMITTERPT301BANONRETURNVALVEANDADRAINVALVECASOLENOIDVALVEDASTARTINGAIRDISTRIBUTOR注答案应为B。连到空气瓶的部件是止回阀和放残阀。4WHENTHEENGINEISENGAGEDWITHTURNINGGEAR,_CANKEEPTHEENGINEFROMSTARTINGATHECONTROLAIRBTHESOLENOIDVALVECTHEMAINSTARTINGAIRVALVEDTHEINTERLOCKVALVE注发动机由盘车机啮合时，连锁阀可防止发动机启动。BDBDPASSAGE4STARTINGAIRDISTRIBUTOR第1题THESTARTINGAIRDISTRIBUTORISOFTHEPISTONTYPEWITHPRECISIONMACHINEDINTERCHANGEABLELINERSTHELINERSASWELLASTHEPILOTPISTONSAREOFCORROSIONRESISTANTMATERIALS第3题THEPILOTPISTONSARECONTROLLEDBYACAMCONNECTEDTOTHECAMSHAFTENDWHENTHEMAINSTARTINGVALVEOPENS,THEPILOTPISTONSAXEPRESSEDONTOTHECAM,WHEREBYTHEPILOTPISTONFORTHEENGINECYLINDERWHICHISINSTARTINGPOSITIONADMITSCONTROLAIRTOTHEMAINPISTONOFTHESTARTINGVALVE第2题THESTARTINGAIRVALVEOPENSANDADMITSCOMPRESSEDAIRINTOTHEENGINECYLINDERFORCINGTHATPISTONDOWNSHORTLYBEFORETHEEXHAUSTVALVESAREOPENEDTHEPILOTVALVEINTERRUPTSTHECONTROLAIRTOTHESTARTINGAIRVALVEANDSTARTINGAIRTOTHATCYLINDERISSTOPPEDTHISPROCEDUREWILLBEREPEATEDASLONGASTHEMAINSTARTINGVALVEISACTIVATEDORUNTILTHEENGINESPEEDISSOHIGHTHATTHEENGINEFIRESAFTERTHEMAINSTARTINGAIRVALVEISCLOSED,THEMAINSTARTINGAIRSYSTEMISDEAERATED,THEPRESSUREDROPSQUICKLYANDTHESPRINGSWILLLIFTTHEPILOTPLUNGERSOFFTHECAMTHISMEANSTHATTHEPILOTPLUNGERSTOUCHTHECAMONLYDURINGTHESTARTINGPROCESSANDTHUSWEARISINSIGNIFICANTIFAPILOTLINERISWORNOUT,PRESSITOUTITMAYBENECESSARYTOHEATTHEDISTRIBUTORUPTILLABOUT200OCASLOCTITEISUSEDFORFIXINGANDSEALING1ACCORDINGTOTHEPASSAGE,THELINERSOFTHESTARTINGAIRDISTRIBUTOR_ACANBEREPLACEDWHENWORNOUTBAREMADEOFHEATRESISTANTMATERIALSCAREWELDEDPRECISELYDAREWORNOUTEASILYDURINGTHESTARTINGPROCESS5注根据文章来看，启动空气分配器的衬套磨坏时，可更换。CHANGEABLE可更换的2DURINGTHESTARTINGPROCESS,WHEN_,THEMAINSTARTINGAIRVALVEISCLOSEDATHEEXHAUSTVALVESINTHESTARTINGCYLINDERAREOPENEDBTHEPILOTAIRTOTHESTARTINGAIRVALVEISSTOPPEDCTHEENGINESPEEDREACHESFIRESPEEDDTHEPILOTPISTONSAREPRESSEDONTOTHECAM注启动过程中，当发动机转速达到发火转速时，主启动空气阀关闭。3WHENSOMECYLINDEROFTHEENGINEADMITSCOMPRESSEDAIRINTOIT,THEPILOTPISTONOFTHESTARTINGAIRDISTRIBUTORSHOULDBE_ASEPARATEDFROMTHECAMBPRESSEDONTOTHECAMCLIFTEDOFFTHECAMDPRESSEDONTOTHECAMREPEATEDLY注当部分汽缸允许压缩空气进入时，启动空气分配器的先导活塞被压到凸轮上。4FROMTHEPASSAGEWEKNOWTHAT“LOCTITE“ISPROBABLY_AATYPEOFGASKETBAKINDOFLUBRICANTCAGLUEBONDDANANTICORROSIONADDITIVE注从文章当中我们了解到，“LOCTITE“可能是一种粘合剂。GLUEBOND粘合剂ACBCPASSAGE5THEENGINESSUPPORTINGELEMENTCONSISTSOFABEDPLATEANDFRAMETHEBEDPLATECANBEOFWELDEDOREASTDESIGN第4题ATHEFRAMEISMADEOFCASTIRON第2题THETURBOCHARGERMOUNTING,THEHOUSINGFORTHEAIRCOOLERANDTHECHARGINGAIRRECEIVERARECASTASANINTEGRALPARTOFTHEFRAME第4题BTHEUNDERSLUNGCRANKSHAFTSMAINBEARINGSAREMOUNTEDINBORESINTHEFRAMEANDSECUREDWITHMAINBEARINGCAPSOFSTEELTHECAPSAREGUIDEDSIDEWAYSANDARESECUREDBYMEANSOFTHREADEDSTUDSANDNUTSTHATARETIGHTENEDHYDRAULICALLYTHECAPSAREALSOSECUREDWITHHORIZONTALBRACINGSCREWSINTHEFRAMETHEBEARINGSHELLSAREPRODUCEDWITHATOLERANCETHATMAKESITPOSSIBLETOCHANGETHEMASETATATIMEWITHOUTANYSCRAPINGINTHETOPFLANGESOFTHECYLINDERLINERSAREFORCEDAGAINSTTHETOPFACEOFTHEFRAMEBYTHECYLINDERCOVERS,WHEREASATTHEBOTTOMTHEYAREGUIDEDBYABOTTOMFLANGETHROUGHWHICHTHEYAREFREETOEXPANDUNDERTHEEFFECTSOFHEAT第4题CTIGHTNESSBETWEENTHEWATERCHAMBERANDTHECRANKCASEISACHIEVEDWITHTWORUBBERRINGSINSERTEDINSLOTSINTHEGUIDESURFACEOFTHECYLINDERLINER第3题THECAMSHAFTISDRIVENFROMTHECRANKSHAFTTHROUGHAGEARING,WHICHISMOUNTEDONTHEENGINESFLYWHEELENDANDCOVEREDBYA2PARTSHIELDTHECAMSHAFTRUNSINSTEELBUSHESLINEDWITHWHITEMETALINEACHSIDEOFTHEFRAME,LARGEOPENINGSAREPROVIDEDFORINSPECTIONOFROLLERGUIDES,CAMSANDTHEMAINANDCRANKBEARINGSTHEOPENINGSHAVECOVERS,SOMEOFWHICHAREPROVIDEDWITHCRANKCASEEXPLOSIONRELIEFVALVESTHATEQUALIZETHEPRESSUREIFTHEOILVAPORSINTHECRANKCASEAREIGNITED,FOREXAMPLEASARESULTOFHOTRUNNING6THEBEDPLATECANBEUSEDASALUBRICATINGOILRESERVOIRANDISTHEREFOREPROVIDEDWITHADIPSTICKTHEOILCAN,HOWEVER,BEDRAINEDOFFTOASPECIALBOTTOMTANK,SOTHATTHEENGINERUNSWITHADRYSUMP第3题AFUELOILPUMPOFTHEGEARTYPEISDRIVENFROMTHECAMSHAFTTHROUGHACLUTCHALUBRICATINGOILPUMP,WHICHISOFTHESAMETYPE,ISDRIVENBYACLUTCHMOUNTEDONTHEENDOFTHECRANKSHAFTOR,FORPROPULSIONPLANT,THROUGHAFLEXIBLEGEARWHEELDRIVE1THISPASSAGEISMAINLYABOUT_ATHECONSTRUCTIONOFANENGINEBHOWTHEENGINEWORKSCTHELUBEANDCOOLINGSYSTEMOFANENGINEDWHENTHECRANKCASEEXPLOSIONOCCURS注这篇文章主要是关于发动机结构的。2WHICHOFTHEFOLLOWINGISNOTMENTIONEDASANINTEGRALPARTOFTHEFRAMEATURBOCHARGERMOUNTINGBBEARINGCAPSCAIRCOOLERHOUSINGDSCAVENGINGAIRRESERVOIR注没有提到的发动机组成部件是轴承盖。3THECAMSHAFT_AISSUPPORTEDBYBEARINGSBMAYNOTDRIVETHEFUELOILPUMPINSOMECASESCWILLNOTDRIVEALUBEOILPUMPDALLOFTHEABOVEARETRUE注凸轮轴由轴承支撑，某些情况下不驱动燃油泵，凸轮轴也不驱动滑油泵。4WHICHOFTHEFOLLOWINGISNOTTRUEATHEFRAMEISMADEOFCASTIRONBTHEREAREUNDERSLUNGBEARINGSINTHISENGINECFOURRUBBERRINGSENSURETHETIGHTNESSBETWEENTHECRANKCASEANDTHEWATERCHAMBERDRELIEFVALVESAREPROVIDEDONTHEFRAME注4条橡胶环确保曲轴箱和水乡之间的紧固度是错的。ABDCPASSAGE6第2题ATHECYLINDERCOVERISMADEOFCASTIRONANDISPROVIDEDWITHTWOINLETVALVES,TWOEXHAUSTVALVES,ACENTRALMOUNTEDFUELINJECTIONVALVEANDANINDICATORVALVE第3题ATHEINLETVALVESAREMOUNTEDWITHSEPARATESEATINGRINGSMADEOFSPECIALHEATRESISTANTCASTIRONTHESERINGSAREPRESSEDINTOTHECYLINDERCOVERINCOOLEDCONDITIONS第3题CTHEEXHAUSTVALVESEATINGSARESPECIAL,WATERCOOLEDSEATINGRINGSTHESERINGSAREALSOPRESSEDINTOTHECYLINDERCOVERINCOOLEDCONDITIONSEACHCYLINDERCOVERISPROVIDEDWITHCOOLINGWATERFROMASCREWEDONTUBULARCOOLINGWATERJACKETTHROUGHRADIALBORESINTHETHICKBOTTOMOFTHECOVEREACHOFTHERADIALBORESISCONNECTEDTOTWOSIDEBORESTHECOVERHASFURTHERSEPARATEBORESTHATLEADTOTHECOOLINGWATERJACKETANDTHEBORESINTHECYLINDERCOVERTOACOMMONOUTLETCHAMBER第3题BTHECYLINDERCOVERANDCYLINDERLINERAREASSEMBLEDBYMEANSOFFOURTHREADEDSTUDSSCREWEDINTOTHEFRAMETIGHTENINGISEFFECTEDBYMEANSOFHYDRAULICTOOLS,ANDSEALINGBYMEANSOFATHINRINGMOUNTEDBETWEENTHECYLINDERCOVERANDTHECYLINDERLINER第2题BASTARTINGVALVEISMOUNTEDONTHESIDEOFTHECYLINDERCOVER7第4题ATHEENGINEHASOILCOOLEDPISTONSOFCASTIRON第4题BTHEPISTONSAREPROVIDEDWITHTHREECOMPRESSIONRINGSANDASPRINGLOADEDSCRAPERRINGASPACEFORCOOLINGOILISPROVIDEDATTHETOPOFTHEPISTON第4题CTHESCRAPERRINGPREVENTSLUBRICATINGOILFROMBEING两个排气阀。C应为INDICATORVALVE3WHICHOFTHEFOLLOWINGISTRUEATHEINLETVALVESEATINGRINGSAREOFHEATRESISTANTCASTSTEELBTHEREARESIXSTUDSBYWHICHTHECYLINDERCOVERANDLINERARETIGHTENEDCTHEEXHAUSTVALVESEATINGSARECOOLEDBYWATERDACOPPERRINGISMOUNTEDBETWEENTHECYLINDERCOVERANDTHELINER注排气阀阀座由水冷却。4WHICHOFTHEFOLLOWINGISNOTTRUEATHEPISTONSARECOOLEDBYOILBFOURPISTONRINGSAREFITTEDTOEACHPISTONCTHESCRAPERRINGSCRAPESTHEOILDOWNWARDSDTHEPISTONCOOLINGISOFSPLASHTYPE注活塞冷却是飞溅式（冷却）是错的。CACDPASSAGE7第1题EACHOFTHEENGINECYLINDERSISPROVIDEDWITHABOSCH,TYPEPF,FUELPUMPTHEFUELPUMPISASINGLEACTINGPLUNGERPUMPWITH第3题ANONADJUSTABLESTROKE第2题THEPLUNGERISSOACCURATELYGROUNDANDLAPPEDTHATITSCLEARANCEINSIDETHEBARRELISONLY00020003MMTHISPROVIDESSUFFICIENTTIGHTNESSBETWEENPLUNGERANDBARREL,EVENATPRESSURESASHIGHAS200400BAR,WITHOUTTHENEEDFORSEALINGMATERIALSNEITHERTHEPLUNGERNORTHEBARRELCANTHEREFOREBERENEWEDINDIVIDUALLY第3题BCTHEPLUNGERPRESSURESTROKEISPRODUCEDBYACAMONTHEENGINECAMSHAFT,WHEREASTHERETURNSTROKE,THESUCTIONSTROKEISEFFECTEDBYMEANSOFASTRONGCOILSPRINGTHETOPOFTHEPUMPBARRELISCLOSEDBYASPRINGLOADEDPRESSUREVALVE,TOWHICHTHEFUELOILPIPEFORTHERESPECTIVEFUELVALVEONTHERELEVANTENGINECYLINDERISCONNECTEDREGULATIONOFTHEAMOUNTOFFUELDELIVEREDBYTHEFUELPUMPISACHIEVEDBYTURNINGTHEPUMPPLUNGER,THECYLINDRICALSURFACEOFWHICHHASAMILLEDRECESSTHE8BOTTOMOFTHISRECESSENDSWITHANEDGE,WHICHISATFIGHTANGLESTOTHECYLINDERGENERATINGLINES,WHEREASTHETOPOFTHERECESSISLIMITEDBYAHELIXTHISPRODUCESANINCLINEDCONTROLEDGEONTHEPLUNGER,WHICHALSOHASANARROWLONGITUDINALGROOVEINTHEPUMPBARRELAREDRILLEDTWODIAMETRICALHOLESTHROUGHWHICHTHEFUELOILCANFLOWINTOTHEFUELPUMPBARRELTHEPUMPBARRELISSURROUNDEDBYAREGULATINGSLEEVE,THEUPPERENDOFWHICHISSHAPEDASATOOTHEDRIMTHELOWERENDHASTWOLENGTHWISESLOTSINWHICHPROJECTINGLUGSONTHELOWERENDOFTHEPLUNGERCANSLIDEUPANDDOWN第4题THEENDOFTHEREGULATINGRODFROMTHEENGINEGOVERNORISDESIGNEDASATOOTHEDRACKTHATENGAGESWITHTHETOOTHEDRIMONTHEENDOFTHEREGULATINGSLEEVETHISMAKESITPOSSIBLETOTURNTHEPUMPPLUNGERDURINGENGINEOPERATION1THEFUELPUMP_AISOFPFTYPEBISOFRECIPROCATINGTYPECHASANINLETVALVEANDANOUTLETVALVEDAANDBARETRUE注燃油泵是PF型，往复式。2THEPLUNGER_AISACCURATELYGROUNDANDLAPPEDOUTSIDETHEBARRELBHASATINYCLEARANCEINSIDETHEBARRELCCANBERENEWEDINDIVIDUALLYWHENWORNOUTDANOFTHEABOVEARETRUE注柱塞在套筒中的间隙是微小的。3WHICHOFTHEFOLLOWINGISTRUEATHESTROKEOFTHEPLUNGERCANBEADJUSTEDBTHEOUTLETVALVEISSPRINGLOADEDCTHEPLUNGERDOWNSTROKEISACCOMPLISHEDBYTHESPRINGDBANDCARETRUE注出口阀是弹簧加力的，柱塞的下行冲程有弹簧实现。4ITCANBEINFERREDTHATWHENMOVINGTHERACK_ATHESLEEVEMOVESUPANDDOWNBTHEPLUNGERMOVESUPANDDOWNCTHEEFFECTIVESTROKEOFTHEPUMPWILLBECHANGEDDALLOFTHEABOVEARETRUE注可以推断出，当移动齿条时，泵的有效行程会改变。DBDCPASSAGE8GOVERNINGPRIMEMOVERS,PARTICULARLYDIESELENGINES,REQUIRECAREFULCONSIDERATIONTHECYCLICVARIATIONSOFADIESELCYCLECANBEPASSEDINTOTHEGOVERNORDRIVEIFITISTOO“STIFF“THATIS,THECYCLICVIBRATIONSWILLBEIMPOSEDONTHEINTERNALGEARINGETCINSIDETHEGOVERNORHOMING第2题TOPREVENTTHIS,SOMEFORMOFDAMPERSHOULDBEUSEDONTHEDRIVEINTOTHEGOVERNOR第1题ATHEMOUNTINGPOINTFORTHEGOVERNORSHOULDBERIGIDAVIBRATIONMOUNTINGWOULDSOONDOWNGRADEEVENTHEBESTOFGOVERNORSCHAINORBELTDRIVESSHOULDBEAVOIDEDASFARASPOSSIBLE,ASSLAPPINGOFTHEBELTORCHAINPRODUCESSPEEDVARIATIONSCAUSINGMALFUNCTIONOFTHEGOVERNORSIMILARLYTHEDRIVEFROMTHEENDOFTHECAMSHAFTISSUBJECTTOTORSIONALVIBRATIONS,ANDGOVERNORSSHOULDNOTBELOCATEDATTHATPOINTTHEYSHOULDBELOCATEDASCLOSEASPRACTICABLETOTHEFUELPUMPS,THEREBYLIMITINGTHEMASS/INERTIAOFOPERATINGLINKAGEINALLCASES,THE9GOVERNORSHOULDBEMATCHEDTOTHEENGINEREQUIREMENTSINTERMSOFDROOP,LOADLIMITING,RESPONSETIMEETCONLARGEENGINESTHEREISANINERTIALRESISTANCETOACCELERATIONWITHINTHEMASSESOFRECIPROCATINGANDROTATINGELEMENTSOFTHEENGINE,SOTHATDURINGACCELERATIONFUELCOULDBERELEASEDTOTHECYLINDERSATAFASTERRATETHANEFFICIENTCOMBUSTIONCANHUMIT第1题BINANATTEMPTTOCOMPENSATEFORTHIS,ANDTOMAINTAINACCEPTABLECOMBUSTIONDURINGACCELERATION,ATAPPINGFROMTHESCAVENGESPACEMAYBETAKENANDTHEPRESSUREUSEDTOREGULATETHERATEOFFUELRELEASEDTOTHEENGINETHISPROCESSISINCORPORATEDINTOTHEGOVERNOROPERATINGSYSTEMSOTHATTHEGOVERNORRELEASESAQUANTITYOFFUELCOMMENSURATEWITHTHEINCREASEINAIRPRESSUREINTHESCAVENGESPACE第4题DURINGDECELERATIONTHEPROBLEMISNOTSOGREAT,ASEXCESSAIRCANBETOLERATEDFARMOREEASILYTHANCANTHEINCOMPLETECOMBUSTIONASSOCIATEDWITHINSUFFICIENTAIR1THISPASSAGEISMAINLYABOUT_AMOUNTINGTHEGOVERNORSBTHESCAVENGEPRESSURELIMITTOTHEGOVERNORCAANDBDHOWTHEGOVERNORREGULATESTHEFUELINDEX注这篇文章主要是关于安装调速器以及对调速器的扫气压力控制。2THEDRIVETOTHEGOVERNOR_ASHOULDBERIGIDBSHOULDUSEDAMPERCSHOULDUSECHAINSORBELTSDSHOULDBEFROMTHEENDOFTHECAMSHAFT注到调速器的驱动（装置）应该使用减震器。3THEGOVERNORSHOULDBEMOUNTEDCLOSETOTHEFUELPUMPS_AFORLIMITINGTHEINERTIAEFFECTBFORLIMITINGTHELOADCTOENSURESPEEDDROOPDTOCUTDOWNTHECOST注调速器安装应靠近燃油泵用于限制惯性效应。4ITCANBEINFERREDTHATWITHSCAVENGEPRESSURELIMIT_ATHEENGINECANBEACCELERATEDRAPIDLYBTHEENGINECANBEDECELERATEDRAPIDLYCTHEGOVERNORWILLSUPPLYFUELOILEFFICIENTLYDTHECOMBUSTIONWILLBEMORECOMPLETE注可以推断出扫气压力控制下，燃烧更完全。CBADPASSAGE9第2题AAFTERTHESHUTOFFVALVEOFTHESTARTINGAIRRECEIVERHASBEENOPENED,THEAIRFLOWSATFULLPRESSURETHROUGHTHEFILTERTOTHEMAINSTARTVALVE“A“WITHCOMPLICATEDCONSTRUCTION,THEREBYAPPLYINGPRESSURETOPIPEBETWEENTHEMAINSTARTVALVE“A“ANDTHESTARTINGAIRCONTROLVALVEPROVIDINGTHATMANEUVERINGHANDWHEELISINTHE“STOP“POSITION,ALLOTHERPIPESAREWITHOUTPRESSURE第3题AIFTHEWHEELISTURNEDTOWARDSTHE“START“POSITION,APAWLABOVETHESTARTINGAIRCONTROLVALVEISACTUATEDANDTHEVALVEISOPENED,ALLOWINGAIRTOFLOWTOTHEMAINSTARTVALVE“A“ITOPENSTOALLOWADIRECTTHROUGHFLOWOFAIR第3题BALLCYLINDERSTARTINGVALVESARETHUSEXPOSEDTOAIRPRESSUREAND,FURTHERMORE,AIRFLOWSTOTHESTARTINGAIRDISTRIBUTOR,WHICHISCONTROLLEDBYTHECAMSHAFTTHEDISTRIBUTORHASASERIESOFSLIDEVALVESARRANGEDRADIALLYAROUNDTHECAMSHAFTONESLIDEVALVEFOREACHCYLINDERTHESESUPPLYPILOTAIRTOTHECYLINDERSTARTINGVALVESWITHPISTONSINTHE10“START“POSITION第3题CTHEROTATIONOFTHEENGINECRANKSHAFTCOMMENCES,AFTERWHICHTHECYLINDERSTARTINGVALVESAREOPENEDINTHECOMETSEQUENCETHECRANKSHAFTISTHUSBROUGHTTOSPEEDOFROTATIONNECESSARYFORCOMPRESSIONANDIGNITIONWHENTHEMANEUVERINGHANDWHEELISMINED,THEGOVERNORISACTUATEDTHROUGHAFLEXIBLECABLESETTINGTHEFUELPUMPSHOWEVER,AFUELINDEXLIMITINGARRANGEMENTISINSERTED,WHICHKEEPSTHEREGULATINGSHAFTANDTHUSTHEFUELPUMPSATZEROINDEXDURINGTHESTARTINGPROCESS,ENSURINGTHATFUELISNOTINJECTEDINTOACYLINDERDURINGTHESUPPLYOFSTARTINGAIR第4题WHENTHEENGINECRANKSHAFTHASREACHEDTHENECESSARYSPEED,THEHANDWHEELISTURNEDFURTHERPASTTHE“START“POSITIONWITHTHERESULTTHATTHEARMABOVETHESTARTINGAIRCONTROLVALVEISRELEASEDANDTHEVALVEISCLOSEDANDVENTEDATTHESAMETIME,THECONTROLPISTONINTHEMAINSTARTVALVE“A“ISALSOVENTED,THUSBLOCKINGTHESUPPLYOFAIRTOTHECYLINDERSTARTINGVALES,THESTARTINGAIRDISTRIBUTORANDTHEFUELINDEXLIMITERGRADUALLY,ASTHEHANDLEISTURNEDFURTHERTOWARDSTHEMAXIMUMPOSITIONTHEGOVERNORINCREASESTHEFUELPUMPINDEXANDTHECRAN