深航防除培训材料b737ng除冰防冰操作程序

适用性：适用于深航B737- 机Applicability:AllB737-NGairnesinSHZ的重要表面是否附着冰雪，以确定飞机的状态是否适合安全飞行或者需要执行除冰/防冰Note：Thisoutlinemainlyprovidesairnedeicing/anti-icingprocedure.Inadditionto,thisoutlinealsoincludeothersystemmaintenanceprocedureincoldweather.Duringice,snowand/orfrostcondition,beforetheairnetakeoff,theflightcrewshouldinspectwhetherthewing,controlsurface,engineinletductandothercriticalflightsurfaces,areattachedwiththeice,snow,anddeterminewhethertheseconditionsaresafetytoflight,orshoulddothedeicing/anti-icingprocedure.ColdWeatherMaintenanceProcedure(Figure301,Figure302,Figure303,Figure304)Safeairneoperationincoldweatherconditionscancausespecialproblems.Theseproblemsoccurbecauseoftheeffectsoftheice,snow,slush,frost,andlowtemperatures.Maintenancesmustknowtheeffectofcoldweathertokeepthecostsandtimetoaminimum.Thisproceduregivesdataforremovalofice,snow,slushandfrostfromtheairne.Thisproceduregivesdataforthepreventionofsubsequentice,snow,slushandfrost.Italsoincludesotherrelateddatafortheoperationoftheairneincoldweather.Theoperatormustfindandusethecorrectproceduresfortheweatherconditionsthatoccur.Thethatdoestheworkmustmakesuretheproceduresforoperationofequipmentduringice,snowand/orfrostconditionsaresatisfactoryfortheconditionsofoperation.Usethedatathatfollowtomakesuretheproceduresaresatisfactory:ThecoldweatherconditionsthatoccurredTheequipmentormaterialsthatareTheweatherconditionsattheairportwhereyouwill45分钟，则需先机停留的时间超过2小时，则在飞机起飞前，再次给油箱集油槽放油。Incoldweatheritisnecessarytodrainthefuelsumpspriortorefuelingtoremovewaterfromthefueliftheairnehasbeenidleformorethan45minutespriortorefueling.Drainthefuelsumpsagainafterrefuelingiftheairnehasbeenidlefor2hoursormoreafterrefueling,priortodeparture.Incoldweatherwatercanze,andnotletthedrainvalvesopen.Deicingisaproceduretoremovethefrost,iceorsnowfromtheairne.Hotwaterorahotmixtureofwateranddeicing/anti-icingfluidisappliedtodothis.Anti-icingisaproceduretomakesurethatice,snowand/orfrostdoesnotcollectand eattachedtotheairnesurfaces.Anti-icingfluidoramixtureofanti-icingfluidandwaterisappliedtotheairnetodoOnestepiceremoval/anti-icingappliesahotdeicing/anti-icingfluidormixtureoffluidandwater.Usetheconditionsthatfollowtomakeadecisiononhowhottomakethefluidorthefluidandwatermixture:TheambientTheweatherTwostepiceremoval/anti-icinghasthestepsthatApplyhotwaterorahotmixtureofdeicing/anti-icingfluidandwatertoremovetheice.Immediayfollowwithasprayofadeicing/anti-icingfluidoramixtureofdeicing/anti-icingfluidandwaterforanti-icing.Thisstepmustbedonelessthan3minutesafteryoustartedthefirststep.Ifitisnecessary,dotheprocedureareabyarea.Holdovertimeistheapproximatetimeanti-icingfluidwillkeepthefrost,ice,orsnowofftheairnesurfacesthathaveprotection.NOTE:Youcannotfindthelevelofprotectionortheholdovertimewithprecision.Theweatherconditionsandthefluid/fluidmixturewillhaveaneffectontheholdovertime.Thethatdoestheproceduremustusefluidmanufacturers’instructionstomakeanestimateoftheprotectiontime.Whenthereisprecipitation,removetheicefromtheairneasneartodepartureaspossible.TypeI除冰/80%TypeI粘度改变，但不会改变其切应力。TypeI防冰液所起到的防冰持续效应时间比较短。TypeI(notthickened)deicing/anti-icingfluidsusuallyhaveaminimumof80percentGlycol.Thetemperaturemakestheviscositychange,buttheshearstressdoesnotchange.Thesefluidsgiveanti-icingprotectionforonlyashorttime.TypeIITypeIV除冰/50%的乙二醇。当切应力改变，液体的粘度下降非常快。TypeIITypeIV除冰/防冰液所起到的防冰持续效应时间比TypeI除冰/防冰液要长。TypeIIandTypeIV(thickened)deicing/anti-icingfluidsusuallyhaveaminimumof50percentGlycol.Thereisalso45to50percentwaterplusthickenersandinhibitors.Thetemperatureandtheshearstressthatisappliedcanmaketheviscosityofthesefluidschange.Theyareusuallyveryviscousatlowlevelsofshearstress.Whentheshearstresschanges,theirviscositydecreasesveryquickly.TypeIIandTypeIVfluidsgivelongerholdovertimesthanTypeIdeicing/anti-icingfluids.Anairnethatisparked,forthiscoldweatherprocedure,isanairneintheloadingareaforashorttimetobepreparedforthedeparture.Iftheairnestaysintheloadingareathroughthenightincoldweatherconditions,refertotheguidelinesforParkedAirnesinthisprocedure.Coldweatheroperationdoesnotincludeanairnethatisparkedforalongtime.NOTE:ThisisincludedinPuttheAirneBacktoAServiceableConditionAftertheStorage,TASK10-12-02-550-801.Slushisiceand/orsnowthatisnotfullymelted.Thus,theiceremoval/anti-icingproceduresforiceandsnowremovalapplytoslush.Aspecialprocedureforslushisnotnecessary.Startelectronicequipmentinthecoldweatherconditionsthesameasintheusualconditions.Aspecialprocedureisnotnecessary.AMMTASK71-00-00-700-818-F00，以便在寒冷天气条件下启动发动机。TheenginestartprocedureforcoldweatheroperationProceduretoPreparetheEngineforOperation,TASK71-00-00-700-818-F00TheAPUstartprocedure.APUStartingand警告：对于所使用的除冰/防冰液，要确保使用合适的工具设备，以防止TYPEII和TYPEIV除冰/防冰液粘度降低，并导致持续效应时间减少。按照除冰/防冰液的WARNING:MAKESUREYOUUSETHECORRECTEQUIPMENTFORTHEFLUIDYOUUSE.MECHANICALOREQUIPMENTSHEAROFTHEFLUIDCANOCCURIFTHECORRECTEQUIPMENTISNOTUSED.IFTHISOCCURS,THEVISCOSITYOFMANYTYPEIIANDTYPEIVFLUIDSWILLDECREASEAND,THUS,THEAPPROXIMATEHOLDOVERTIME.MAKESUREYOUREFERTOTHEMANUFACTURER’SGUIDELINESFORTHEFLUIDTHATYOUUSE.Groundequipmentthatiscorrectandsatisfactorytousewiththematerialsthatfollow:Boomtruckorcherry-TypeIII,IVTypeI,II,orIVdeicingTypeIII,IVTypeI,II,orIVanti-icingHotAir注意：只重复使用TYPEIITYPEIV除冰/防冰液，而不使用TYPEI除冰/防冰液或热水，会导致残余物在静止的气动表面上。在某些高温、高湿度和/或雨水天气条件下，这些残余物会再化为水并结冰，可能会妨碍或飞行控制系统的CAUTION:THEREPEATEDAPPLICATIONOFTYPEIIANDTYPEIVDEICING/ANTI-ICINGFLUIDS,WITHOUTTHESUBSEQUENTAPPLICATIONOFTYPEIDEICING/ANTIICINGFLUIDORHOTWATER,MAYCAUSEARESIDUETOCOLLECTINAERODYNAMICALLYQUIETAREAS.THISRESIDUEMAYREHYDRATEANDZEUNDERCERTAINHIGHTEMPERATURE,HIGHHUMIDITYAND/ORRAINCONDITIONS.THISRESIDUEMAYBLOCKORIMPEDECRITICALFLIGHTCONTROLSYSTEMS.THISRESIDUEMAYREQUIREREMOVAL.前采用的方法/步骤。通常情况下，TypeII和TypeIV防冰/除冰液比TypeI防冰/TypeIITypeIV防冰/除冰液可以降低在长时间的滑行后，冰、雪、或者霜在飞机上的可能性。在图301中提供Manyconditionscanhaveaneffectonwhichprocedureyouusetoremoveice,snow,orfrostortomakesureitdoesnotcollectand attachedtotheairnesurfaces.Eachoperatormustlookatthelocalweatherconditions.Ifitispossible,usetheproceduresthatwereusedbeforewiththesameconditions.Ageneralguidelineis,TypeIIandTypeIVfluidsgivealongerholdovertimethanTypeIfluids.UseTypeIIandTypeIVfluidstodecreasetheriskthatice,snow,orfrostwillcollectontheairneduringalongtaxi.Forexample,Thefigurethatfollowsgivesthegeneralguidelinestohelpyoufindthecorrectice,snow,orfrostremovalprocedure.Thisgivesyouthesameprocedureyouwillfindwhenyouusethefullguidelinesinthisprocedure.(Figure301)NOTE:TheapplicablefluidswhichobeytheD6-17487,"CertificationTestofAirneMaterial"andconformtoanyofthefollowingspecifications,areacceptablefluids.ThefollowingisalistofTypeI(newtonian)fluid,G02301,latestfluid,MIL-A-8243DType2可以在任何浓度下使用。MIL-A-8243D液体的持续NOTE:MIL-A-8243DType1fluidisacceptableina50/50fluid/waterconcentration.MIL-A-8243DType2fluidisacceptableinanyconcentration.TherearenoholdovertimeguidelinesforTypeIITypeIVThefollowingisalistofTypeIIandTypeIV(non-newtonian)fluid,当采用一步除冰/防冰法来进行除冰/防冰工作时，要把水和TypeI、TypeII或TypeIV除冰/防冰液按一定比例混合，而且混合液要达到一定的温度。以下条件将UseahotmixtureofwaterandTypeI,TypeII,orTypedeicing/anti-icingfluidswhenyoudotheone-stepiceremoval/anti-icingprocedure.Thethreeitemsbelowwillhaveaneffectonthetyofwatermixedwiththefluidandthetemperatureyouuse:TheweatherTheholdoverprotectionthatisTheconditionoftheairItisnecessarytohavesufficientfluidtemperatureandflowratetoflushtheiceandsnowfromtheairnesurfaceswhenitcollectsthere.Moreice,snoworfrostwillnotcollectontheairnesurfaceswherethereisremainingfluid.Themixtureandtypeoffluidusedwillhaveaneffectontheholdovertime.Theweatherconditionscanmakeitnecessarytoapplythefluid/watermixtureagain.Thiswillbenecessarytoremovethefrozenfluidthatcollectedsincethefluid/watermixturewasappliedlast.Thisisalsodonetoincreasetheprotectiontime.Youcanusecoldwatertoremovesnowiftheconditionsthatfollowoccur:ThereisonlysnowontheairThetemperatureis34℉(1.1℃)orhigher,andstableorontheCAUTION:DONOTPOINTASOLIDFLOWOFFLUIDDIRECTLYATTHESURFACE.APPLYTHEFLUIDATLOWANGLETOPREVENTDAMAGETOTHEAIRNESURFACES.DONOTUSEAHIGHPRESSURESPRAYTOBLOWTHEICEANDSNOWOFFTHEAIRNESURFACES.10Psi/25平方英寸，以防止损坏飞机表面。Forthebestresultsintheiceorsnowremoval,youmustincreasethetemperatureofthedeicingfluidandhotwaterto180-200℉(82.2-93.38℃),atthe.Afinetomediumsprayis mendedtoapplythefluidacrossalargeareaoficeorsnow.Thiswillcausetheiceorsnowtomeltthefastest.Asolidflowoffluidis mendedtoflushtheiceorsnowfromtheairnesurfaces.Makesuretheumofthesolidflowoffluidonthesurfacesinnotmorethan10psionanareaof25squareinches(161.3squarecentimeters).Thiswillpreventdamagetothe多的除冰/防冰液来进行除冰/302TypeI、TypeII和TypeIV的要求。Tofindthetyofdeicing/anti-icingfluidtouseinthedeicingmixtureatagiventemperature,refertothemanufacturer’sspecificationsforthefluidyouuse.TheloweroftheambienttemperatureorthetemperatureoftheairnesurfaceisthetemperaturetousefortheTable.Seeifthemixtureofmeltediceorsnowanddeicing/anti-icingfluidzesagainontheairneasitflowsoff.Ifitdoes,alargertyofdeicing/anti-icingfluidinthemixtureisnecessary.ForTypeI,TypeIIandTypeIVinthisuseFigure302.Alayerofanti-icingfluidwillgiveprotectionfromice,snow,andfrostifyouapplythefluidtoadrywing.Amixtureofanti-icingfluidandwater(theambienttemperaturewillhaveaneffectonwhentouseamixturewithwater)willalsogiveprotectionifyouapplyittoadrywing.Thefluidmustbeappliedbeforeconditionsstart.Usetheconditionsthatfollowtomakeadecisiontoapplyanti-icingfluidtoacoldsoakedairne:ThereisTheairtemperatureisaboveSincethetemperatureoftheexternalsurfacesoftheairnecanbebelowzing,icecanoccurandattachtothesurface.Therecanbeclearicebelowthelayerofsnoworslush,whichisnoteasytofind.Makesurethatalltheiceisremovedafteryoudotheiceremovaloriceremoval/anti-icingprocedure.PossiblyitwillbenecessarytofeelthesurfacetodotheWhentheprecipitationiscontinuous,thetwo-stepiceremoval/anti-icingprocedureisusually mended.Useoneoftheitemsthatfollowtofindthetyoffluidtouseinthemixture:TheinstructionsofthefluidTheairMakesurethereisnoice,snow,orfrostonthewingforthetakeoff.Todothis,themaintenancesmustcarefullyexaminetheairnebeforethedeparture.Youmustremovesnowfromaparkedairneregularly.Thiswillmakesurethatalargetyofsnowwillnotcollectandpossiblyzeontheairnesurface.CAUTION:CAREFULLYMOVEROPESORFABRICHOSESONTHEWINGORFUSELAGE.EQUIPMENTTHATISINSTALLEDONTHESURFACEOFTHEWINGORFUSELAGECANBEDAMAGEDBYTHEMOVEMENTOFTHEROPESORFABRIC.Usebroomswithlonghandlestoremovethesnowformthewingsandhorizontalstabilizers.Thiswillmakeiteasier.Youcanuseropesorafabrichosetoremovethesnowfromthefuselage.Movetheropeorhosebackandforthonthetopofthefuselageasyoumoveitaft.Beforeyoumoveanairneoutofawarmhangarduringicingconditions,dotheanti-icingprocedureontheairne.Thiswillmakeitlesspossiblethaticeorsnowwillmeltwhenittouchesthewarmairneandzeagain.机库内使飞机干透。有必要检查能水的区域，以防止的水结冰。如果使用了Ifyouremoveicewithwaterthatisnothotyoumustdoitinawarmhangar,ifitispossible.Keeptheairneinthehangaruntilthesurfacesaredry.Itwillbenecessarytodoacheckofthoseareaswherethewatercancollectandze.Ifanti-icingfluidisapplied,itisnotasnecessaryfortheairnetodry.GeneralWARNING:DEICING/ANTI-ICINGFLUIDISDANGEROUS.DONOTLETITTOUCHTHESKINOREYES,ANDUSECLOTHINGTHATGIVESSUFFICIENTPROTECTION.Donotpointasprayofdeicing/anti-icingfluiddirectlyatorintothepitotinlets,TATprobesorstaticportsshownin(Figure303).DonotpointasprayofhotdeicingfluidorhotwaterdirectlyatcoldDonotpointasprayofdeicing/anti-icingfluiddirectlyintotheengine,APU,scoops,vents,drains,etc.Donotusemorethan10psi(68.9KPa)onanareaof25squareinches(161.3squarecentimeters).Donotpointasolidflowoffluiddirectlyattheairnesurfaces.Makesurethaticeand/orsnowisnotpushedintotheareasaroundtheflightcontrolsduringiceandsnowremoval.Removealloftheiceorsnowfromthedoorandgirtbarareasbeforeyoucloseadoor.Donotopenthecargodoorsifitisnotnecessary.Removetheiceandsnowfromthecargocontainersbeforeyouputthemontheairne.Beforethedoorsareclosedforflightputanti-icingfluidontheseareas:ThepressurereliefThelowerdoorThebottomedgeoftheDonotusehardorsharptoolstoremovetheicefromtheairneTherightandleftsidesofthewingandhorizontalstabilizermustgetthesameandfulliceremoval/anti-icingprocedure.Removeallofthedeicing/anti-icingfluidfromthecockpitwindowsbeforethedeparture.Makesureyoucarefullyexaminethewindowswiththewipersinstalled.Makesurethatfluidisremovedfromalltheforwardareaswhereitcanflowbackonthewindshieldsduringthetaxiandtakeoff.Theseareasmustbecleanbeforethedeparture.Aftertheiceremoval/anti-icingprocedurehasbeendonemanytimes,youmustexaminetheareasandholeswherethereislessornoaerodynamicflow.Lookforremainingdeicing/anti-icingfluidsintheareassuchasbalancebaysandwingandstabilizerrearspars.Whenthereisslushontherunways,examinetheaircraftwhenitgetstotheramp.Lookforslushthatcollectedontheairneordamagetotheairnesurfaces.Examinetheareasthatfollowforicethatcollectedanddamagetotheskinpanels(removetheiceifitisnecessary):TheleadingTheTheflapTheverticalTheThebottomandthetopsurfaceofthehorizontalstabilizersandExaminethewheelwellareasforice,slushandsnowthatcollected.Removetheiceifitisnecessary.ExaminetheskinpanelsbehindthewheelwellsfordamagedMakesurethe thedeicing/anti-icingfluidisbeforeyouapplyittothe WARNING:DONOTWALKONTHEWINGSORTHEHORIZONTALSTABILIZER.ICEORSNOWONTHESESURFACESISNOTSAFE.MAINTENANCESCANFALLWHICHMAYCAUSEALINJURYORAIRNEDAMAGE.Useaboomtruck,acherry-pickerordeicing/anti-icingtrucktodoTYPEIITYPEIV除冰/防冰液，而不使用TYPEI除冰/防冰液CAUTION:THEREPEATEDAPPLICATIONOFTYPEIIANDTYPEIVDEICING/ANTI-ICINGFLUIDS,WITHOUTTHESUBSEQUENTAPPLICATIONOFTYPEIDEICING/ANTI-ICINGFLUIDORHOTWATER,MAYCAUSEARESIDUETOCOLLECTINAERODYNAMICALLYQUIETAREAS.THISRESIDUEMAYREHYDRATEANDZEUNDERCERTAINHIGHTEMPERATURE,HIGHHUMIDITYAND/ORRAINCONDITIONS.THISRESIDUEMAYBLOCKORIMPEDECRITICALFLIGHTCONTROLSYSTEMS.THISRESIDUEMAYREQUIREREMOVAL.SpecificControlRetractthewingflaps,slats,andspoilersduringicingconditionsorwhenthesnowfalls.Ifitisnecessarytooperatethesecontrols,makesuretheyarenotblockedbyiceorsnowbeforeyouretractthem.NOTE:Ifanairnecomestothegatewiththeflapsnotfullyretractedduringicingconditionsorwhenthesnowfalls,examinethoseflapsthatarenotfullyretracted.Lookforiceorsnowthathascollectedbeforetheyareretracted.确保所有舵面上没有冰、雪或霜存在。在除冰之后，确保在飞行舵面的铰Allofthecontrolsurfacesmusthavenoice,snow,orfrostonthem.Afteryouremovetheice,makesurethereisnomoisturecollectedinthehinges,guidetracksandactuatorsfortheflightcontrols.Thismoisturecouldsubsequentlyze.Applydeicing/anti-icingfluidforprotection.WARNING:TOAVOIDALINJURY,ENSURETHATTHESTABILIZERTRIMWHEELHANDLEISSTOWEDPRIORTOUSINGELECTRICStabilizertrim-FullAirneNoseDown(FigureAPLNOSEDOWN极限，以防止除冰液和油泥/雪泥流入到水SetstabilizertotheAPLNOSEDOWNlimittopreventdeicingfluidandslushrun-offfromenteringthestabilizerbalancepanel.APLNOSEDOWNTrimtheairnetotheelectricalAPLNOSEDOWNlimit.ThencontinuetrimmingmanuallytothemanualAPLNOSEDOWNlimit.OpentheleadingedgedevicesandlookforiceorWingandHorizontalTailCAUTION:BECAREFULWHENYOUREMOVETHEICEANDSNOWFROMTHEWINGANDTAILSURFACESNEARTHEVORTEXGENERATORS.IFYOUARENOTCAREFULYOUCANCAUSEDAMAGETOTHEVORTEXGENERATORS.Thewingandhorizontaltailsurfacesmusthavenoice,snow,andfrostonthem.NOTE:Alayeroffrost1/8-inchthickorlessonthelowerwingsurfaces(inthespararea)ispermittedifitiscausedbyverycoldfuel.But,alloftheseareasmusthavenoice,snow,orfrostonthem:leadingedgedevices,controlsurfaces,tabsurfaces,andthetopwingsurface.Theleadingedgesurfacesmusthavenoice,snoworfrostonthem.Examinetheareasbetweenthesurfacesthatmoveandthesurfacesthatdonotmovetomakesurethereisnoice.Therightandleftsidesofthehorizontalstabilizermustgetthesameandfulliceremoval/anti-icingprocedure.FuselageandVerticalTailCAUTION:BECAREFULWHENYOUREMOVETHEICEANDSNOWFROMTHEFUSELAGEAREAWHERETHEREARELIGHTSANDANTENNA.IFYOUARENOTCAREFUL,YOUCANCAUSEDAMAGETOTHEThefuselageandtheverticaltailsurfacesmusthavenoiceorsnowonthem.ThiswillincreasetheaerodynamicdragandtheweightoftheNOTE:Thinhoarfrostispermittedonthetopsurfaceofthefuselageifalltheventsandportsareclear.Thinhoarfrostisawhitelayerofconstantthicknesswithasharpcrystallinetexture.Itusuallyoccursonsurfacesthatareoutonacoldnightwithnoclouds.Hoarfrostisthin.Youcanseeitemsonthesurfacebelowthelayeroffrost,suchaspaintlines,marksorletters.Donotapplyhotdeicingfluidorhotwaterdirectlyonthepilots’windshieldorthepassengerwindows.Youcanletthefluidflowonthewindowsafteryouapplyittothetopofthecabin.Thisispermittedsincethefluidwillbecoolwhenitgetstothewindow.Allofthedeicing/anti-icingfluidonthecockpitwindowsmustberemovedbeforethedeparture.Carefullyexaminethewindowswiththewipersinstalled.Also,examinetheforwardareaswherethefluidcanflowaftonthewindshieldsduringthetaxiandtakeoff.Theseareasmustbeclearbeforethedeparture.发动机和APUEnginesandAPUWARNING:SMUSTSTAYCLEAROFTHEDANGEROUSAREASINFRONTOFORINBACKOFANENGINEANDINTHEAPUEXHAUSTWHENTHEYOPERATE.INJURYORDEATHOFSCANOCCURINTHESEAREAS.(ENGINEGROUNDSAFETYPRECAUTIONS,TASK71-00-00-800-805-F00)在发动机和/APU工作期间需要进行除冰/防冰的工作，则按照以下步骤进行：Forthesafetyofs,donotoperatetheenginesortheAPUduringtheiceremoval/anti-icingoperations.But,ifitisnecessarytodotheiceremoval/anti-icingprocedureduringengineand/orAPUoperation,dothestepsthatfollow:Makesuretheengineand/ortheAPUisatidleDonotpointthesprayofdeicing/anti-icingfluidsdirectlyintotheengineand/orAPUinlet.对APU造成损坏。CAUTION:MAKESURETHEAPUINLETAREAISCLEARBEFOREYOUSTARTTHEAPU.THEAPUCANBEDAMAGEDBYTHEICEORSNOWTHATCOLLECTEDINTHEINLETAREA.Iftheengines/APUareon,dothestepsthatfollowtokeepthefumesoutofthecabinwhenyouapplydeicing/anti-icingfluidintheareaoftheengines/APUinlets.ClosethevalvesfortheairconditioningpacktotheClosetheshutoffvalvesfortheAPUairDonotpointasprayofdeicing/anti-icingfluiddirectlyintotheareas发动机/APUTheinletductsfortheengineorEnginethrustEngineProbesattachedtotheEnginebleedairRemovetheicefromtheVortexgeneratorontheAPUinletdoorwhentheAPUisnotinoperation.Whendeicingoranti-icingtheairne,protectthewheelsandbrakesfromfluidcontaminationwiththemethodsbelow:Donotdirectasprayofdeicingoranti-icingfluidsatthewheelsorUsesuitablecoversonthewheelsandbrakeswhenoperationallyApplytheparkingbraketoreducealcontaminationofbrakefrictionsurfaceswhenoperationallyfeasible.Manuallyremovesnoworiceaccumulationfromthewheels,brakes,ortires.Ahotairblowermaybeusedforthispurpose.LandingGearandMakesurethereisnotalayeroficeand/orsnowonthemovablepartsandthepositionindicationswitchesforthelandinggear.Thiscouldpreventthecorrectoperationofthelandinggear.Makesureyoudonotremovelubricantsormakethelubricantsthinnerwhenyouapplydeicing/anti-icingfluids.Partsthatarenotlubricatedcanceaseornotoperatewithoutthecorrectservicing.RemovetheiceandsnowfromtheseThelandinggearThedoorTheuplockTheuplockThedownlockBungeeThebungeeThelockThepositionindicationMakesurethaticedidnotcollectonthesteeringcablesforthenosewheel.Removetheiceifitisnecessary.Examinethealternateextendsystemforicethathascollectedintheseareasthatareopenandnotheated:ExaminecontrolcablesforlandinggearTheexternalmechanismforthelandingCAUTION:DONOTMOVETHEAIRNEIFTHETIRESZETOTHEGROUND.MAKESURETHEWHEELSTURNWHENYOUMOVETHEAIRNE.Removetheiceandsnowfromthegroundareasaroundthelandinggear.Thiswillmakeitlesspossiblethatthetireswillzetotheground.Thiswillalsopreventunwantedairnemovementbecauseofthewindorengineoperation.Usewarmairordeicingfluidtoreleasethetiresfromthegroundortoremovefrozenmaterial.Saltisnot mendedsinceitcancollectonthemetalpartsandCausecorrosion.WingFuel1/8inch3.2mm)，则Frostcanoccuronthebottomofthewingsinthefuelareasintemperaturesabovezing.Thisiscausedbythecondensationofmoistureintheairwhenittouchescoldsurfacesthatarebelowzing.Thefrostwillusuallymeltwhenyouaddfuelthatisatahighertemperature.Ifthefrostcontinuesandismorethan1/8inch(3.2mm)thick,removeitbeforethetakeoff.ClearicecanoccuronthetopofthewingwhentheseconditionsThetemperatureofthefuelintheisbelowTheambienttemperatureisaboveThereisrain,drizzleorCarefullyexaminethetopofthewingtoseeifthereisclearice.Usetheequipmentthatisnecessarytogetsufficientaccesstothetopofthewingtodothischeck.Itispossiblethattheclearicecanonlybefoundbytouch.Youmustremovecleariceandanti-icethewing,ifitisnecessary,beforethetakeoff.PitotProbe,StaticPorts,andTotalAirTemperature(TAT)Probes(Figure303):Lookforicethatisattachedtothesurface4feetorlessfromthepitotinlets,staticports,andTATprobeinlets.RemovealltheiceintheseDonotpointasprayofdeicing/anti-icingfluiddirectlyatorintothepitotinlets,staticports,ortheTATprobes.Ificecausesablockageofthestaticopenings,carefullyapplywarmairuntiltheicemelts.Ifyouappliedtoomuchfluidtothefuselagenearthestaticports,examinethenearestin-linedrain.Examineallofthewastewaterandcondensatedrainsontheairnetomakesuretherearenotblockagesbecauseoficeorothermaterial.Itisnotnecessarytoputaplugonthedrainsduringtheiceremovaloranti-icingprocedure.But,donotpointafluidsprayatthesedrainAngle-of-AttackSensor(FigureMakesurethatnoiceand/orsnowisonthesensors.Makesurethesensorsaretomove.Applydeicingfluidifitisnecessary.WindshieldWiperRemovetheicethatcollectedonthewindshieldwiperHotWaterIceYoucanusehotwaterat180-200℉(82.2-93.3℃)umtemperaturetoremoveiceandsnowfromtheairnesurfaceswhentheambienttemperatureis27℉(-2.8℃),stableorontheincrease.Topreventthewaterfromzingagainyoumustapplyanti-icingfluidtothesurfaceimmediayafteryouremovetheicewithhotwater.Add10%glycoltothehotwater.Thiswillkeeptoaminimumthezingoftheremainingwaterintheequipmentyouusedtoremovethe180-200℉82.2-93.3℃)的除冰/防冰液来进行一步除冰/282.2℃)以下，使用该步骤去除飞机上的冰和雪。在使用Youcandotheone-stepiceremoval/anti-icingprocedure,withthedeicing/anti-icingfluidheatedto180-200℉(82.2-93.3℃).Usethisproceduretoremovetheiceandsnowfromtheairnewhenthetemperatureisbelow28℉(-2.2℃).Afteryouusethemixturetomaketheairnesurfacesareclear,theremainingfluidwillgivesomeanti-icingprotection.Ifthematerial/deicingfluidthatyouwantedtoremovezesbeforeitflowsofftheairne,itshowsthatanincorrectmixtureofanti-icingfluidwasused.Youmustapplymoreanti-icingfluidtogetmoreprotection.与水混合的除冰/TypeI除冰/TypeIITypeIV除ThefluidmixedwiththewatercanbeTypeIdeicing(iceremoval)/anti-icingfluidorTypeIIorTypeIVdeicing/anti-icingfluid.TheholdovertimewillbelongerwiththeTypeIIandTypeIVdeicing/anti-icingfluid.Witheachfluid,youmustusethedatathatfollowstofindthetyoffluidtouseinthemixture.ThefluidThe TheweatherIfyoumustremovemoreice,oritisnecessarytodotheanti-icingprocedurebeforethesubsequentflight,dothefulliceremoval/anti-icing3分钟内，必须要进行第二步的防冰工作。如果需要，分区域进行除冰/防Thetwo-stepiceremoval/anti-icingprocedureisusuallythemendedprocedurewhentheprecipitationconditionsarecontinuous.Thesecondstepmustbedonenomorethan3minutesafteryoubeginthefirststep.Dotheprocedureareabyareaifitisnecessary.Theitemsthatfollowwillhaveaneffectontheholdovertimeyougetafteryoudotheanti-icingprocedure.ThefluidthatwasTheweatherThus,youmustdofrequentinspectionstoseeifitisnecessarytoapplymorefluid.Ifitisnecessarytoapplymorefluidbeforethesubsequentflight,doafulliceremoval/anti-icingprocedure.OperationBeforeyoustarttheengine,dothestepsthatfollowtomakesurethesystemswilloperatecorrectly.1)所有舵面。有关工作人员要在地面观察，确保所的舵面满行程移动。Operateallthecontrolsurfaces.Useaonthegroundtomakesurethecontrolsurfacesmovethefulltravel.Ifyouthinkthatsealsarefrozenorthereareblockagesinthebalancepanelbays,thenmovethecontrolsurfacesmanuallybeforeyoumovethemwithpower.Examinetheopeningsinthepitotprobe,probesinstalledonthestrutorintheengineinlet,andthestaticports.Makesuretheyareclearoficeorsnow.Makesurethereisnoiceorsnowcollectedonthelandinggearandorinthewheelwells.MakesurealltheinletsareclearoficeorMakesureallthedrainsareclearandnotMakesuretheenginecompressorcanturn注：在启动发动机时，如果因结冰造成N1风扇转子不能转动，将会对发动机造N1风扇转子能自由转动。可以通过观察风扇叶片能否被风动，或者用手转NOTE:Ifthefan(N1)cannotturnduringanenginestartbecauseofice,thiscancauseheavydamage.Whenitispossiblethatwatercollectedintheengineatzingtemperatures,youmustmakesurethefan(N1)canturnbeforeyoustarttheengine.Youcanseethelowpressure(LP)rotorfanbladesturnfromtheground.Ifthewinddoesnotturnthefan,youcanturnitbyhand.Ifyouwillmotortheenginetomakesuretheenginecompressorturns,usethisprocedure(TASK71-00-00-700-821-F00).MakesureallofthedoorsareclearofToParktheAirWARNING:IFHIGHWINDSAREPOSSIBLE,USETHEPROCEDUREIN(PARKTHEAIRNE,TASK10-11-03-580-801)TOSETTHESTABILIZER.HIGHWINDCONDITIONSCANCAUSEDAMAGETOTHEAIRNEANDINJURYTONEL.Theareawhereyouwillparktheairnemustbeclearoficeandsnow.(AirneParking,TASK10-11-01-580-801)givesthefullprocedurestoparktheairne.AMMTASK10-12-02-550-802NO