深航防除培训材料-b737-300除冰防冰操作程序

B737-300B737-300除冰/防冰操作程序B737-300Deicing/Anti-icingMaintenance适用性：适用于深航B737-300Applicability:B737-300fleetofShenzhen在地面结冰条件下，在飞机起飞前，需要飞行机组确认机翼、舵面、发进气道及其他Note：Thismaintenanceproceduremainlyprovidesairplanedeicing/anti-icingprocedure.Inadditionto,thismaintenanceprocedurealsoincludeothersystemmaintenanceprocedureincoldweather.Duringice,snowand/orfrostcondition,beforetheairplanetakeoff,theflightcrewshouldinspectwhetherthewing,controlsurface,engineinletductandothercriticalflightsurfaces,areattachedwiththeice,snow,anddeterminewhethertheseconditionsaresafetytoflight,orshoulddothedeicing/anti-icingprocedure.ColdWeatherMaintenanceProcedure(Figure301,Figure302,Figure303,FigureSafeairplaneoperationincoldweatherconditionscancausespecialproblems.Theseproblemsoccurbecauseoftheeffectsoftheice,snow,slush,frost,andlowtemperatures.Maintenancesmustknowtheeffectofcoldweathertokeepthecostsandtimetoaminimum.Thisproceduregivesdataforremovalofice,snow,slushandfrostfromtheairplane.Thisproceduregivesdataforthepreventionofsubsequentice,snow,slushandfrost.Italsoincludesotherrelateddatafortheoperationoftheairplaneincoldweather.Theoperatormustfindandusecorrectproceduresfortheweatherconditionsthat thatdoestheworkmustmakesuretheproceduresforoperationofequipmentduringice,snowand/orfrostconditionsaresatisfactoryfortheconditionsofoperation.Usethedatathatfollowtomakesuretheproceduresaresatisfactory:ThecoldweatherconditionsthatoccurredTheequipmentormaterialsthatareTheweatherconditionsattheairportwhereyouwillIncoldweatheritisnecessarytodrainthefuelumpspriortorefuelingtoremovewaterfromthefuel iftheairplanehasbeenidleformorethan45minutespriortorefueling.Drainthefuel umpsagainafterrefuelingiftheairplanehasbeenidlefor2hoursormoreafterrefueling,priortodeparture.Incoldweatherwatercanfreeze,andnotletthedrainvalvesopen.Deicingisaproceduretoremovethefrost,iceorsnowfromtheairplane.Hotwaterorahotmixtureofwateranddeicing/anti-icingfluidisappliedtodothis.Anti-icingisaproceduretomakesurethatice,snowand/orfrostdoesnotcollectand attachedtotheairplanesurfaces.Anti-icingfluidoramixtureofanti-icingfluidandwaterisappliedtotheairplanetodothis.Onestepiceremoval/anti-icingappliesahotdeicing/anti-icingfluidormixtureoffluidandwater.Usetheconditionsthatfollowtomakeadecisiononhowhottomakethefluidorthefluidandwatermixture:TheambientTheweatherTwostepiceremoval/anti-icinghasthestepsthatApplyhotwaterorahotmixtureofdeicing/anti-icingfluidandwatertoremovetheImmediayfollowwithasprayofadeicing/anti-icingfluidoramixtureofdeicing/anti-icingfluidandwaterforanti-icing.Thisstepmustbedonelessthan3minutesafteryoustartedthefirststep.Ifitisnecessary,dotheprocedureareabyarea.Holdovertimeistheapproximatetimeanti-icingfluidwillkeepthefrost,ice,orsnowofftheairplanesurfacesthathaveprotection.NOTE:Youcannotfindthelevelofprotectionortheholdovertimewithprecision.Theweatherconditionsandthefluid/fluidmixturewillhaveaneffectontheholdovertime.Thethatdoestheproceduremustusefluidmanufacturers’instructionstomakeanestimateoftheprotectiontime.Whenthereisprecipitation,removetheicefromtheairplaneasneartodepartureaspossible.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/TypeI除冰/防冰液要长。TypeIIandTypeIVthickened)deicing/anti-icingfluidsusuallyhaveaminimumof50percentGlycol.Thereisalso45to50percentwaterplusthickenersandinhibitors.Thetemperatureandtheshearstressthatisappliedcanmaketheviscosityofthesefluidschange.Theyareusuallyveryviscousatlowlevelsofshearstress.Whentheshearstresschanges,theirviscositydecreasesveryquickly.TypeIIandTypeIVfluidsgivelongerholdovertimesthanTypeIdeicing/anti-icingfluids.Anairplanethatisparked,forthiscoldweatherprocedure,isanairplaneintheloadingareaforashorttimetobepreparedforthedeparture.Iftheairplanestaysintheloadingareathroughthenightincoldweatherconditions,refertotheguidelinesforParkedAirplanesinthisprocedure.Coldweatheroperationdoesnotincludeanairplanethatisparkedforalongtime.NOTE:ThisisincludedinPuttheAirplaneBacktoAServiceableConditionAftertheStorage,AMM10-12-00/201.Slushisiceand/orsnowthatisnotfullymelted.Thus,theiceremoval/anti-icingproceduresforiceandsnowremovalapplytoslush.Aspecialprocedureforslushisnotnecessary.Starectronicequipmentinthecoldweatherconditionsthesameasintheusualconditions.Aspecialprocedureisnotnecessary.Theenginestartprocedureforcoldweatheroperation.ProceduretoPreparetheEngineforOperation,AMM71-00-00/201WARNING:MAKESUREYOUUSETHECORRECTEQUIPMENTFORTHEFLUIDYOUUSE.MECHANICALOREQUIPMENTSHEAROFTHEFLUIDCANOCCURIFTHECORRECTEQUIPMENTISNOTUSED.IFTHISOCCURS,THEVISCOSITYOFMANYTYPEIIANDTYPEIVFLUIDSWILLDECREASEAND,THUS,THEAPPROXIMATEHOLDOVERTIME.MAKESUREYOUREFERTOTHEMANUFACTURER’SGUIDELINESFORTHEFLUIDTHATYOUUSE.GroundequipmentthatiscorrectandsatisfactorytousewiththematerialsthatBoomtruckorcherry-TypeIII,IVTypeI,II,orIVdeicingTypeIII,IVTypeI,II,orIVanti-icingHotAirTYPEIITYPEIV除冰/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CAUTION:THEREPEATEDAPPLICATIONOFTYPEIIANDTYPEIVDEICING/ANTI-ICINGFLUIDS,WITHOUTTHESUBSEQUENTAPPLICATIONOFTYPEIDEICING/ANTIICINGFLUIDORHOTWATER,MAYCAUSEARESIDUETOCOLLECTINAERODYNAMICALLYQUIETAREAS.THISRESIDUEMAYREHYDRATEANDFREEZEUNDERCERTAINHIGHTEMPERATURE,HIGHHUMIDITYAND/ORRAINCONDITIONS.THISRESIDUEMAYBLOCKORIMPEDECRITICALFLIGHTCONTROLSYSTEMS.THISRESIDUEMAYREQUIRE法/步骤。通常情况下，TypeIITypeIV防冰/TypeI防冰/除冰液提供更长的持续效TypeIITypeIV防冰/除冰液可以降低在长时间的滑行后，冰、雪、或者霜聚集在飞机上的可能性。在图301中提供了除冰、雪或霜的工作指引。Manyconditionscanhaveaneffectonwhichprocedureyouusetoremoveice,snow,orfrostortomakesureitdoesnotcollectand eattachedtotheairplanesurfaces.Eachoperatormustlookatthelocalweatherconditions.Ifitispossible,usetheproceduresthatwereusedbeforewiththesameconditions.Ageneralguidelineis,TypeIIandTypeIVfluidsgivealongerholdovertimethanTypeIfluids.UseTypeIIandTypeIVfluidstodecreasetheriskthatice,snow,orfrostwillcollectontheairplaneduringalongtaxi.Forexample,Thefigurethatfollowsgivesthegeneralguidelinestohelpyoufindthecorrectice,snow,orfrostremovalprocedure.Thisgivesyouthesameprocedureyouwillfindwhenyouusethefullguidelinesinthisprocedure.(Figure301)NOTE:TheapplicablefluidswhichobeytheBoeing D6-17487,"CertificationTestofAirplaneMaterial"andconformtoanyofthefollowingspecifications,areacceptableThefollowingisalistofTypeI(newtonian)fluid,以在任何浓度下使用。MIL-A-8243D液体的持续效应时间没有列出。NOTE:MIL-A-8243DType1fluidisacceptableina50/50fluid/waterconcentration.MIL-A-8243DType2fluidisacceptableinanyconcentration.TherearenoholdovertimeguidelinesforMIL-A-8243Dfluids.ThefollowingisalistofTypeIIandTypeIV(non-newtonian)fluid,当采用一步除冰/防冰法来进行除冰/TypeITypeIITypeIV除冰/防UseahotmixtureofwaterandTypeI,TypeII,orTypeIVdeicing/anti-icingfluidswhenyoudotheone-stepiceremoval/anti-icingprocedure.Thethreeitemsbelowwillhaveaneffectonthetyofwatermixedwiththefluidandthetemperatureyouuse:TheweatherTheholdoverprotectionthatisTheconditionofthe需要使用足够温度和流量的除冰防冰液去冲洗飞机上的冰雪。所使用除冰防冰液的混合比例和型号对持续效应时间有很大的影响。天气条件决定是否还需要在飞机上使用除冰/防冰混合液。如果上次除冰防冰后有液体残留在飞机表面上并已冻结，则还要继续进行除冰Itisnecessarytohavesufficientfluidtemperatureandflowratetoflushtheiceandsnowfromtheairplanesurfaceswhenitcollectsthere.Moreice,snoworfrostwillnotcollectontheairplanesurfaceswherethereisremainingfluid.Themixtureandtypeoffluidusedwillhaveaneffectontheholdovertime.Theweatherconditionscanmakeitnecessarytoapplythefluid/watermixtureagain.Thiswillbenecessarytoremovethefrozenfluidthatcollectedsincethefluid/watermixturewasappliedlast.Thisisalsodonetoincreasetheprotectiontime.Youcanusecoldwatertoremovesnowiftheconditionsthatfollowoccur:ThereisonlysnowontheThetemperatureis34℉(1.1℃)orhigher,andstableorontheCAUTION:DONOTPOINTASOLIDFLOWOFFLUIDDIRECTLYATTHESURFACE.APPLYTHEFLUIDATLOWANGLETOPREVENTDAMAGETOTHEAIRPLANESURFACES.DONOTUSEAHIGHPRESSURESPRAYTOBLOWTHEICEANDSNOWOFFTHEAIRPLANESURFACES.盖的表面，但要确保喷射的压力不能高于10Psi/25平方英寸，以防止损坏飞机表面。Forthebestresultsintheiceorsnowremoval,youmustincreasethetemperatureofthedeicingfluidandhotwaterto180-200℉(82.2-93.38℃),atthe.Afinetomediumsprayismendedtoapplythefluidacrossalargeareaoficeorsnow.Thiswillcausetheiceorsnowtomeltthefastest.Asolidflowoffluidis mendedtoflushtheiceorsnowfromtheairplanesurfaces.Makesuretheumforceofthesolidflowoffluidonthesurfacesinnotmorethan10psionanareaof25squareinches(161.3squarecentimeters).Thiswillpreventdamagetothesurfaces.的冰或雪和除冰/防冰液混合在一起并且在飞机上结冰，这说明需要的除冰/防冰液来进行除冰/防冰工作，参考图302TypeI、TypeIITypeIV的要求。Tofindthetyofdeicing/anti-icingfluidtouseinthedeicingmixtureatagiventemperature,refertothemanufacturer’sspecificationsforthefluidyouuse.TheloweroftheambienttemperatureorthetemperatureoftheairplanesurfaceisthetemperaturetousefortheTable.Seeifthemixtureofmeltediceorsnowanddeicing/anti-icingfluidfreezesagainontheairplaneasitflowsoff.Ifitdoes,alargertyofdeicing/anti-icingfluidinthemixtureisnecessary.ForTypeI,TypeIIandTypeIVinthis useFigure302.Alayerofanti-icingfluidwillgiveprotectionfromice,snow,andfrostifyouapplythefluidtoadrywing.Amixtureofanti-icingfluidandwater(theambienttemperaturewillhaveaneffectonwhentouseamixturewithwater)willalsogiveprotectionifyouapplyittoadrywing.Thefluidmustbeappliedbeforeconditionsstart.Usetheconditionsthatfollowtomakeadecisiontoapplyanti-icingfluidtoacoldsoakedairplane:ThereisTheairtemperatureisaboveSincethetemperatureoftheexternalsurfacesoftheairplanecanbebelowfreezing,icecanoccurandattachtothesurface.Therecanbeclearicebelowthelayerofsnoworslush,whichisnoteasytofind.Makesurethatalltheiceisremovedafteryoudotheiceremovaloriceremoval/anti-icingprocedure.PossiblyitwillbenecessarytofeelthesurfacetodotheWhentheprecipitationiscontinuous,thetwo-stepiceremoval/anti-icingprocedureisusuallymended.Useoneoftheitemsthatfollowtofindthetyoffluidtouseinthemixture:TheinstructionsofthefluidTheairMakesurethereisnoice,snow,orfrostonthewingforthetakeoff.Todothis,themaintenancesmustcarefullyexaminetheairplanebeforethedeparture.Youmustremovesnowfromaparkedairplaneregularly.ThiswillmakesurethatatyofsnowwillnotcollectandpossiblyfreezeontheairplaneCAUTION:CAREFULLYMOVEROPESORFABRICHOSESONTHEWINGORFUSELAGE.EQUIPMENTTHATISINSTALLEDONTHESURFACEOFTHEWINGORFUSELAGECANBEDAMAGEDBYTHEMOVEMENTOFTHEROPESOR Usebroomswithlonghandlestoremovethesnowformthewingsandhorizontalstabilizers.Thiswillmakeiteasier.Youcanuseropesorafabrichosetoremovethesnowfromthefuselage.Movetheropeorhosebackandforthonthetopofthefuselageasyoumoveitaft.Beforeyoumoveanairplaneoutofawarmhangarduringicingconditions,dotheanti-icingprocedureontheairplane.Thiswillmakeitlesspossiblethaticeorsnowwillmeltwhenittouchesthewarmairplaneandfreezeagain.Ifyouremoveicewithwaterthatisnothotyoumusttinawarmhangar,ifitispossible.Keeptheairplaneinthehangaruntilthesurfacesaredry.Itwillbenecessarytodoacheckofthoseareaswherethewatercancollectandfreeze.Ifanti-icingfluidisapplied,itisnotasnecessaryfortheairplanetodry.WARNING:DEICING/ANTI-ICINGFLUIDISDANGEROUS.DONOTLETITTOUCHTHESKINOREYES,ANDUSECLOTHINGTHATGIVESSUFFICIENTDonotpointasprayofdeicing/anti-icingfluiddirectlyatorintothepitotinlets,TATprobesorstaticportsshownin(Figure303).DonotpointasprayofhotdeicingfluidorhotwaterdirectlyatcoldDonotpointasprayofdeicing/anti-icingfluiddirectlyintotheengine,APU,scoops,vents,drains,etc.Donotusemorethan10psi(68.9KPa)onanareaof25squareinches(161.3squarecentimeters).Donotpointasolidflowoffluiddirectlyattheairplanesurfaces.Makesurethaticeand/orsnowisnotpushedintotheareasaroundtheflightcontrolsduringiceandsnowremoval.在关门之前，清除门上和girtbarRemovealloftheiceorsnowfromthedoorandgirtbarareasbeforeyoucloseaDonotopenthecargodoorsifitisnotnecessary.Removetheiceandsnowfromthecargocontainersbeforeyouputthemontheairplane.Beforethedoorsareclosedforflightputanti-icingfluidontheseareas:ThepressurereliefThelowerdoorThebottomedgeoftheDonotusehardorsharptoolstoremovetheicefromtheairplaneTherightandleftsidesofthewingandhorizontalstabilizermustgetthesameandfulliceremoval/anti-icingprocedure.Removeallofthedeicing/anti-icingfluidfromthecockpitwindowsbeforethedeparture.Makesureyoucarefullyexaminethewindowswiththewipersinstalled.Makesurethatfluidisremovedfromalltheforwardareaswhereitcanflowbackonthewindshieldsduringthetaxiandtakeoff.Theseareasmustbecleanbeforethedeparture.在进行多次的除冰/防冰工作后，必须要检查较少或没有空气流动吹动的区域孔上残留除冰/Aftertheiceremoval/anti-icingprocedurehasbeendonemanytimes,youmustexaminetheareasandholeswherethereislessornoaerodynamicflow.Lookforremainingdeicing/anti-icingfluidsintheareassuchasbalancebaysandwingandstabilizerrear如果跑道上有雪泥，当飞机滑到停机坪，检查飞机上雪泥的情况以及飞机表面的损坏情况。Whenthereisslushontherunways,examinetheaircraftwhenitgetstotheramp.Lookforslushthatcollectedontheairplaneordamagetotheairplanesurfaces.Examinetheareasthatfollowforicethatcollectedanddamagetotheskinpanels(removetheiceifitisnecessary):TheleadingTheTheflapTheverticalTheThebottomandthetopsurfaceofthehorizontalstabilizersandExaminethewheelwellareasforice,slushandsnowthatcollected.RemovetheiceifitisExaminetheskinpanelsbehindthewheelwellsfordamagedMakesuretheconcentrationofthedeicing/anti-icingfluidiscorrectbeforeyouapplyittotheWARNING:DONOTWALKONTHEWINGSORTHEHORIZONTALSTABILIZER.ICEORSNOWONTHESESURFACESISNOTSAFE.MAINTENANCESCANFALLWHIAYCAUSEALINJURYORAIRPLANEDAMAGE.Useaboomtruck,acherry-pickerordeicing/anti-icingtrucktododeicing/anti-TYPEIITYPEIV除冰/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作动。因此，这些残余CAUTION:THEREPEATEDAPPLICATIONOFTYPEIIANDTYPEIVDEICING/ANTI-ICINGFLUIDS,WITHOUTTHESUBSEQUENTAPPLICATIONOFTYPEIDEICING/ANTI-ICINGFLUIDORHOTWATER,MAYCAUSEARESIDUETOCOLLECTINAERODYNAMICALLYQUIETAREAS.THISRESIDUEMAYREHYDRATEANDFREEZEUNDERCERTAINHIGHTEMPERATURE,HIGHHUMIDITYAND/ORRAINCONDITIONS.THISRESIDUEMAYBLOCKORIMPEDECRITICALFLIGHTCONTROLSYSTEMS.THISRESIDUEMAYREQUIREREMOVAL.Control在结冰或下雪情况下，收上机翼上的襟翼、缝翼和扰流板。如果需要这些舵面，确保在收Retractthewingflaps,slats,andspoilersduringicingconditionsorwhenthesnowfalls.Ifitisnecessarytooperatethesecontrols,makesuretheyarenotblockedbyiceorsnowbeforeyouretractthem.NOTE:Ifanairplanecomestothegatewiththeflapsnotfullyretractedduringicingconditionsorwhenthesnowfalls,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链、导向滑Allofthecontrolsurfacesmusthavenoice,snow,orfrostonthem.Afteryouremovetheice,makesurethereisnomoisturecollectedinthehinges,guidetracksandactuatorsfortheflightcontrols.Thismoisturecouldsubsequentlyfreeze.Applydeicing/anti-icingfluidforWARNING:TOAVOIDALINJURY,ENSURETHATTHESTABILIZERTRIMWHEELHANDLEISSTOWEDPRIORTOUSINGELECTRICTRIM.Stabilizertrim-FullAirplaneNoseDown(FigureSetstabilizertotheAPLNOSEDOWNlimittopreventdeicingfluidandslushrun-offfromenteringthestabilizerbalancepanel.APLNOSEDOWNAPLNOSEDOWN极TrimtheairplanetotheelectricalAPLNOSEDOWNlimit.ThencontinuetrimmingmanuallytothemanualAPLNOSEDOWNlimit.OpentheleadingedgedevicesandlookforiceorCAUTION:BECAREFULWHENYOUREMOVETHEICEANDSNOWFROMTHEWINGANDTAILSURFACESNEARTHEVORTEXGENERATORS.IFYOUARENOTCAREFULYOUCANCAUSEDAMAGETOTHEVORTEXGENERATORS.Thewingandhorizontaltailsurfacesmusthavenoice,snow,andfroston注：在机翼下表面(翼梁区域)1/8英寸厚或更薄的霜是允许的，只要这些霜是由很冷NOTE:Alayeroffrost1/8-inchthickorlessonthelowerwingsurfaces(inthespararea)ispermittedifitiscausedbyverycoldfuel.But,alloftheseareasmusthavenoice,snow,orfrostonthem:leadingedgedevices,controlsurfaces,tabsurfaces,andthetopwingsurface.Theleadingedgesurfacesmusthavenoice,snoworfrostonthem.ExaminetheareasbetweenthesurfacesthatmoveandthesurfacesthatdonotmovetomakesurethereisnoTherightandleftsidesofthehorizontalstabilizermustgetthesameandfulliceremoval/anti-icingprocedure.CAUTION:BECAREFULWHENYOUREMOVETHEICEANDSNOWFROMTHEFUSELAGEAREAWHERETHEREARELIGHTSANDANTENNA.IFYOUARENOTCAREFUL,YOUCANCAUSEDAMAGETOTHEEQUIPMENT.Thefuselageandtheverticaltailsurfacesmusthavenoiceorsnowonthem.Thiswillincreasetheaerodynamicdragandtheweightoftheairplane.NOTE:Thinhoarfrostispermittedonthetopsurfaceofthefuselageifalltheventsandportsareclear.Thinhoarfrostisawhi ayerofconstantthicknesswithasharpcrystallinetexture.Itusuallyoccursonsurfacesthatareoutonacoldnightwithnoclouds.Hoarfrostisthin.Youcanseeitemsonthesurfacebelowthelayeroffrost,suchaspaintlines,marksorletters.Donotapplyhotdeicingfluidorhotwaterdirectlyonthepilots’windshieldorthepassengerwindows.Youcanletthefluidflowonthewindowsafteryouapplyittothetopofthecabin.Thisispermittedsincethefluidwillbecoolwhenitgetstothewindow.Allofthedeicing/anti-icingfluidonthecockpitwindowsmustberemovedbeforethedeparture.Carefullyexaminethewindowswiththewipersinstalled.Also,examinetheforwardareaswherethefluidcanflowaftonthewindshieldsduringthetaxiandtakeoff.Theseareasmustbeclearbeforethedeparture.发和APUWARNING:SMUSTSTAYCLEAROFTHEDANGEROUSAREASINFRONTOFORINBACKOFANENGINEANDINTHEAPUEXHAUSTWHENTHEYOPERATE.INJURYORDEATHOFSCANOCCURINTHESEAREAS.(ENGINEGROUNDSAFETYPRECAUTIONS,AMM71-00-00/201)为了安全，在进行除冰/防冰工作时，不要运转发和/或APU。但是，如果在发和/或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：Forthesafetyof s,donotoperatetheenginesortheAPUduringtheiceremoval/anti-icingoperations.But,ifitisnecessarytodotheiceremoval/anti-icingprocedureduringengineand/orAPUoperation,dothestepsthatfollow:Makesuretheengineand/ortheAPUisatidleDonotpointthesprayofdeicing/anti-icingfluidsdirectlyintotheengineand/orAPUinlet.对APU造成损坏。CAUTION:MAKESURETHEAPUINLETAREAISCLEARBEFOREYOUSTARTTHEAPU.THEAPUCANBEDAMAGEDBYTHEICEORSNOWTHATCOLLECTEDINTHEINLETAREA.当发/APU在工作，如果要在发/APU进口区域进行除冰/防冰工作，则按Iftheengines/Areon,dothestepsthatfollowtokeepthefumesoutofthecabinwhenyouapplydeicing/anti-icingfluidintheareaoftheengines/APUinlets.ClosethevalvesfortheairconditioningpacktotheClosetheshutoffvalvesfortheAirDonotpointasprayofdeicing/anti-icingfluiddirectlyintotheareas发/APU进气TheinletductsfortheengineorEnginethrustEngineProbesattachedtotheEnginebleedairRemovetheicefromtheVortexgeneratorontheAPUinletdoorwhentheAPUisnotinoperation.Whendeicingoranti-icingtheairplane,protectthewheelsandbrakesfromfluidcontaminationwiththemethodsbelow:Donotdire prayofdeicingoranti-icingfluidsatthewheelsorUsesuitablecoversonthewheelsandbrakeswhenoperationallyApplytheparkingbraketoreduceincidentalcontaminationofbrakefrictionsurfaceswhenoperationallyfeasible.Manuallyremovesnoworiceaccumulationfromthewheels,brakes,ortires.Ahotairblowermaybeusedforthispurpose.LandingGearandMakesurethereisnotalayeroficeand/orsnowonthemovablepartsandthepositionindicationswitchesforthelandinggear.Thiscouldpreventthecorrectoperationofthelandinggear.Makesureyoudonotremovelubricantsormakethelubricantsthinnerwhenyouapplydeicing/anti-icingfluids.Partsthatarenotlubricatedcanceaseornotoperatewithoutthecorrectservicing.RemovetheiceandsnowfromtheseThelandinggearThedoorTheuplockTheuplockBungeeThebungeeThelockMakesurethaticedidnotcollectonthesteeringcablesforthenosewheel.Removetheiceifitisnecessary.Examinethealternateextendsystemforicethathascollectedintheseareasthatareopenandnotheated:ExaminecontrolcablesforlandinggearTheexternalmechanismforthelandingCAUTION:DONOTMOVETHEAIRPLANEIFTHETIRESFREEZETOTHEGROUND.MAKESURETHEWHEELSTURNWHENYOUMOVETHEAIRPLANE.Removetheiceandsnowfromthegroundareasaroundthelandinggear.Thiswillmakeitlesspossiblethatthetireswillfreezetotheground.Thiswillalsopreventunwantedairplanemovementbecauseofthewindorengineoperation.Usewarmairordeicingfluidtoreleasethetiresfromthegroundortoremovefrozenmaterial.Saltisnot mendedsinceitcancollectonthemetalpartsandCausecorrosion.Wing霜会融化。如果还有继续结霜的迹象而且结霜的厚度超过1/8inch(3.2mm)，则Frostcanoccuronthebottomofthewingsinthefuelareasintemperaturesabovefreezing.Thisiscausedbythecondensationofmoistureintheairwhenittouchescoldsurfacesthatarebelowfreezing.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.Examineallofthewastewaterandcondensatedrainsontheairplanetomakesuretherearenotblockagesbecauseoficeorothermaterial.Itisnotnecessarytoputaplugonthedrainsduringtheiceremovaloranti-icingprocedure.But,donotpointafluidsprayatthesedrainMakesurethatnoiceand/orsnowisonthesensors.Makesurethesensorsarefreetomove.Applydeicingfluidifitisnecessary.WindshieldWiperRemovetheicethatcollectedonthewindshieldwiperHotWaterIceYoucanusehotwaterat180-200℉(82.2-93.3℃) temperaturetoremoveiceandsnowfromtheairplanesurfaceswhentheambienttemperatureis27℉(-2.8℃),stableorontheincrease.Topreventthewaterfromfreezingagainyoumustapplyanti-icingfluidtothesurfaceimmediayafteryouremovetheicewithhotwater.Add10%glycoltothehotwater.Thiswillkeeptoaminimumthefreezingoftheremainingwaterintheequipmentyouusedtoremovethe28(-2.2℃)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℃).Usethisproceduretoremovetheiceandsnowfromtheairplanewhenthetemperatureisbelow28℉(-2.2℃).Afteryouusethemixturetomaketheairplanesurfacesareclear,theremainingfluidwillgivesomeanti-icingprotection.Ifthematerial/deicingfluidthatyouwantedtoremovefreezesbeforeitflowsofftheairplane,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.DotheprocedureareabyareaifitisTheitemsthatfollowwillhaveaneffectontheholdovertimeyougetafteryoudotheanti-icingprocedure.ThefluidthatwasTheweather因而，需要不断进行检查，确认是否需要使用的除冰/防冰液。Thus,youmustdofrequentinspectionstoseeifitisnecessarytoapplymoreIfitisnecessarytoapplymorefluidbeforethesubsequentflight,doafulliceremoval/anti-icingprocedure.Beforeyoustarttheengine,dothestepsthatfollowtomakesurethesystemswilloperatecorrectly.Operateallthecontrolsurfaces.Usea onthegroundtomakesurethecontrolsurfacesmovethefulltravel.Ifyouthinkthatsealsarefrozenorthereareblockagesinthebalancepanelbays,thenmovethecontrolsurfacesmanuallybeforeyoumovethemwithpower.Examinetheopeningsinthepitotprobe,probesinstalledonthestrutorintheengineinlet,andthestaticports.Makesuretheyareclearoficeorsnow.Makesurethereisnoiceorsnowcollectedonthelandinggearandorinthewheelwells.MakesurealltheinletsareclearoficeorMakesureallthedrainsareclearandnotMakesuretheenginecompressorcanturn注启，因造成1风转不能转动将会对发 造成损在温如有在则动发 ，确认N1风扇子能自转动。以通过察风扇能否被风，或者手动叶确扇有。NOTE:Ifthefan(N1)cannotturnduringanenginestartbecauseofice,thiscancauseheavydamage.Whenitispossiblethatwatercollectedintheengineatfreezingtemperatures,youmustmakesurethefan(N1)canturnbeforeyoustarttheengine.Youcanseethelowpressure(LP)rotorfanbladesturnfromtheground.Ifthewinddoesnotturnthefan,youcanturnitbyhand.Ifyouwillmotortheenginetomakesuretheenginecompressorturns,usethisprocedure(AMM71-00-00/201).MakesureallofthedoorsareclearofWARNING:IFHIGHWINDSAREPOSSIBLE,USETHEPROCEDUREIN(PARKTHEAIRPLANE,AMM10-11-03)TOSETTHESTA