CAT + Caterpillar HF201 Felling Head Operation & Maintenance Manual by Heavy Equipment Manual

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OperationandMaintenanceManual CaterpillarFiltersRecommendations

MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013

ContaminationControl

SMCS-1054;108K;1261;1263;1308;5068;7342

DefiningContamination

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Contaminationisdefinedasthepresenceofunwantedforeignsubstancesinfluidsystemsorfluidwetted parts.Contaminationaltersthepropertiesoffluids,causesdamageoffluidsystems,andpreventssystems andcomponentsfromattainingthedesiredreliabilityanddurability.Contaminationistheprimarycauseof fluidsystemfailures.

Contaminantsincludeawidevarietyofunwantedsubstancesincludingbutnotlimitedtothefollowing:

•Foreignandabrasivesubstancessuchaswearparticles,fibers,dirt,anddust

•Chemicalsubstancessuchasproductsofcombustionthataresuspendedinthefluids

•Crosscontaminationofwater,coolant,oil,andfuel

•Biologicalmicro-organismssuchasalgaeorfungi

•Physical/chemicalcontaminantssuchasproductsofoxidationandheat

Somecontaminantsaregeneratedwithinthefluidsystemduetothenormaloperationofthesystem. Contaminantsmaybedrawnintothesystemfromtheoutsideenvironmentorcontaminatedfillfluidsor impropermaintenanceandrepairpractices.

Particlecontaminantsarevisibletothenakedeyeiftheparticlesareapproximately40µm(microns)and largerwhilesmallerparticlesarenotvisible.Particlecontaminantscancausedamageeveniftheparticlesare notvisibletothenakedeye.Thecriticalparticlesizeforwearparticlesinamoderndieselenginefuelsystem is4µm.

Contaminantsofalltypescanbecontrolledbyfollowingcontaminationcontrolpracticesandusing appropriatefiltration.RefertoyourOperationandMaintenanceManualandtoyourlocalCatdealerfor recommendations.

Controllingcontaminationisespeciallyimportantforcurrentmachinesystems.Currentmachinesystems suchashydraulicsystemsandfuelinjectionsystemsaredesignedwithclosetolerancesandoperateathigh pressuresforenhancedperformance.Thesedesignimprovementsemphasizetheimportanceofhigher performingfluids,enhancedfluidfiltration,andgreatlyimprovedfluidcleanlinesslevels.

MeasuringCleanliness

Fluidcleanlinesscanbemeasuredbytakingfluidsamplesfromvariousmachinecompartments.YourCat dealercananalyzethesamples.Particlecontaminantsaretypicallymeasuredbyparticlecounters.Chemical contaminantscanbemeasuredbyspecificanalysistechniquessuchasoxidation,water,orsoottests.Some chemicalcontaminants,suchaswaterinfuel,caninterferewiththeparticlecountersandcanbecountedas particles.RefertoyourCatS·O·SlabortoyourCatdealerformoreinformation.

Thenumberofparticlesinfluidsisexpressedin"ISO(InternationalOrganizationforStandardization)" ratings."ISO4406"Standardclassifiesfluidcleanlinessbythenumberandsizeofparticlesin1milliliterof fluid."ISO4406"Standardmeasuresparticlesizeinµm(microns)andreportstheresultingcountinthree coderangesX,Y&Z.Thethreecoderangedefinesthesizeanddistributionofparticlesin1milliliterof fluid:

•Thefirstcoderange,Xrepresentsthenumberofparticlesequaltoorlargerthan4µmpermilliliterof fluid.

•Thesecondcoderange,Yrepresentsthenumberofparticlesequaltoorlargerthan6µmpermilliliter offluid.

•Thethirdcoderange,Zrepresentsthenumberofparticlesequaltoorlargerthan14µmpermilliliter offluid.

Anexampleofan"ISO4406"particlecountis18/16/13.Cat"ISO"cleanlinessrecommendationsare expressedastwoorthreecodes,dependingonthemachinesystem.Thethreecoderangefollows"ISO4406" definitionsandisusedforliquidfuelssuchasdieselandgasoline.Thetwocodesystem,example"ISO/16/13",isusedforcertainlubricantsystems.Inthetwocodesystem,thefirstnumberisthenumberof particlesequaltoorlargerthan4µmpermilliliteroffluid.Thisnumberisnotrequiredandmaybe representedbyadash(-).Thesecondnumber(Y)andthethirdnumber(Z)follow"ISO4406"definitions. CatreportstheYandZcodesforlubricatingoilstokeepconsistencywitholderdataandreports.

Anexampleoftheparticlesizeanddistributionofthe"ISO4406"codesisgiveninTable1.

Table1

ISO4406Code

Numberofparticlesin1milliliteroffluid 4µmandup6µmandup14µmandup

"ISO18/16/13"1300-2500320-64040-80

"ISO21/19/17"10000-200002500-500080-160

Note:Severalfactorsaffecttheresultsofparticlecounts.Thefactorsincludethecleanlinessofthe equipmentusedtoobtainthesample,sampletechniques,thecleanliness,andtypeofsamplecontainer, particlecounteraccuracy(calibration,maintenance,andprocess),andtheenvironmentwherethesampleis procured.Samplesshouldbetakenatrepresentativelocationsinthefluidcirculationsystemorthefluid distributionsystemwhenpossible.Thesampleshouldbeprotectedadequatelyfromcontaminationduring transporttothelabforanalysis.

Inaddition,particlecountersmaycountwaterdropletsandairbubblesasparticulatecontamination.

Note:AmericanSocietyforTestingandMeasurementhasdeveloped"ASTMD7619""StandardTest MethodforSizingandCountingParticlesinLightandMiddleDistillateFuels,byAutomaticParticle Counter".Thistestprocedurewasdevelopedin2010tocountandmeasurethesizeofdisperseddirt particles,waterdroplets,andotherparticlesin1-Dand2-Ddieselfuelswhenthespecifiedparticlecounteris used."ASTMD7619"isalsoapplicabletobiodieselfuels.

CleanlinessStandardsforMachineSystems

Catrecommendsthatmachinesystemsbemaintainedatthefactorydefinedfluidcleanlinesstargets.

Cathasestablishedminimumfluidcleanlinesstargetsforfuelsandfilloilsandformachineroll-off.Fluids filledintothemachineorenginefilltanksarerecommendedtobeatthetargetlevelsprovidedinTable2or cleaner.Cleanlinesstargetsforapplicablemachinecomponentsystemsarereferredtoas"Roll-off".Roll-off isdefinedasthecleanlinessspecificationofthefluidthatistobeobtainedbeforethemachinereturnsto workaftermaintenanceandorsysteminvasionrepair.WhensystemfillfluidsandRoll-offaremaintainedat orcleanerthanthe"ISO"cleanlinesstargets,contamination-relatedeffectswillbereduced.

Table2

CatRecommendedFluidCleanlinessTargets(1)

CatRecommendedCleanlinessTargetsforFluids DispensedintoMachineorEngineFilltanks

CatRecommendedMachineRoll-offCleanliness Targets

Filloils(2)(3)

Dispensedfuels

DispensedDEF

Hydraulicsystems (Implement&Steering)

ISO-/16/13

ISO 18/16/13

ISO-/18/15

ElectronicTransmissionsISO-/18/15

MechanicalTransmissionsISO-/21/17

Differentials,Wheels,and Axles(4)

ISO-/18/15

(1)ThefluidsshouldmeetorexceedthecleanlinessrequirementsofthelistedISOlevels.

(2)Forengineoils,whenfilteringtheoilpriortodispensingintotheenginetank,useengineoilfiltersof12micronabsolute efficiencyandensurethattheoiltemperatureis20°C(68°F)orhigher.Refertothedetailsgiveninthisarticle.

(3)Fortransmission,gear,differentialandaxleoils,additivesandtheviscosityoftheoilmayinterferewithparticlecounting.An alternativeistouseadequatefiltrationtoensurecleanoilspriortofillinginthemachinecompartment.

(4)ThiscleanlinessstandardappliesonlytotheSeries700familyofrigidframetrucks,777sizeandlarger.

The"fill"fluidscleanlinesstargetisnotafluid"delivery"target.Thelevelofcleanlinessfordeliveredfluids isnotspecifiedbyCat.Customerscanworkwiththedistributorsorcarrierstodeterminethecleanlinesslevel ofdeliveredfluids.However,amoreeffectiveandeconomicmeanstoachievethefillcleanlinesstargetsisto filterthefluidspriortofillingintomachinetanksascomparedwithspecifyingdeliveryfluidcleanliness level.FollowtheguidelinesprovidedinthisContaminationControlarticle.

Althougholdertechnologymachinesmaynotbeabletomaintaintherecommendedcleanlinesstargetsof advancedmodels,thesamecontaminationcontrolinterventionmeasuressuchasfiltrationandsubsequent serviceproceduresshouldbeusedonallCatproducts.

Theviscosityandadditivesofpowertrainoilsincludingtransmission,gear,differential,andaxleoilscan interferewithparticlecounting.Analternativeoptionistofiltertheoilsusingadequatefiltrationtoensure cleanoilspriortofillinginthemachinecompartments.

Note:Whenparticlecountingnewmulti-viscosityengineoils,theremaybedifficultiesachievingcleanliness targets.Opticalparticlecounterscannotdistinguishbetweenparticulatecontaminantsandadditives.Donot useopticalparticlecountfortheevaluationofusedengineoilsbecausesootlevelsrenderoiltoodarkfor opticalparticlecounters.SootlevelsinusedengineoilsshouldbeevaluatedbyusingS·O·SServicesOil Analysis.

Whenfilteringengineoilbeforedispensingintotheenginetankorwhenengineoilkidneyloopingfiltration isdone,followtheserecommendations:

•Useengineoilfiltersof12micronsabsoluteefficiency.CatUltraHighEfficiencyLubefilteris recommended.ConsultyourCatdealerforthemostcurrentpartnumber.

•Ensurethatthetemperatureofengineoilis20°C(68°F)orhigher.

ConsultyourCatdealerforinformationandsolutionstoyouroilandfuelanalysisneeds.

GeneralContaminationControlRecommendationsorPractices

Maintainingalowcontaminationlevelcanreducedowntimeandcancontrolthemaintenancecostofthe machine.Theproductivelifeaswellasthereliabilityofcomponentsandfluidsystemsisoftenincreasedasa resultofpropercontaminationcontrolpractices.

Thefollowingaregeneralguidelinesforcontrollingcontaminants.

•RefertotheRecommendationsforFuelSystemsinthischapterforrecommendedfuelcleanliness levelsandguidelines.

•RefertothemachineOperationandMaintenanceManualfortherequiredmaintenanceforallmachine compartments.

•Whenyouaddoiltoamachine,useadequatefiltrationinordertocleantheoiltomeetthetargets providedinTable2.

•PerformscheduledS·O·SServicesOilAnalysisforcontaminationinordertomaintainthe recommendedISOcleanlinessleveloffillandmachinefluids.RefertotheS·O·SOilAnalysissection inthisSpecialPublication.TheparticlecountanalysiscanbeperformedbyyourCatdealer.Particle countcanbeconductedduringthescheduledS·O·SServicesOilAnalysisforthecompartment.Extra oilsamplesarenotrequiredfortheparticlecountsampling.

•UseonlycoolantsthatarerecommendedbyCatforyourmachine.Followtherecommended maintenanceprocedureforthecoolingsystemintheOperationandMaintenanceManualforyour machine.

•Maintaintheengineairfiltersandairintakesystemtoavoidunwantedcontaminantingression.

•Followcontaminationcontrolpracticesfortheshoparea,component/machinedisassemblyareas,parts, shoptools,testsetups,testareas,storageareasandwastecollectionareas,Keepcomponentsclean duringinspection,assembly,testing,andfillingmachineswithcleanfluids.Goodpracticeswill enhancecomponentlifeandreducedowntimeassociatedwithcontaminants.YourCatdealercan providedetailsonpropercontaminationprocessesandpractices.

•Followcontaminationcontrolpracticesfortheworkplaceandfortheworksite.Maintainingcleanoil fillfluidssavestimeandeffortandensuresthatfillfluidsareatthepropercleanlinesslevels.

•Useproperlydesignedandmaintainedbulkstoragefluidstanks.

•Protectthefluidsstoragetanksfromdirtandwaterentrybyusing4µmorlessabsoluteefficiency breatherswiththeabilitytoremovewater.

•Keeptheareasaroundthetanksfillerneckscleanofdebrisandwater.

•Drainthestoragetanksfromwaterandsedimentsfrequently.Thedrainingscheduledependsonuseof properinletandoutletfilters,theuseof4µmbreatherswiththeabilitytoremovewater,andfollowing recommendedcontaminationcontrolpractices.Basedonthecontaminationcontrolprogramfollowed, and/oronthefuelsupplierrecommendations,thestoragetankdrainingschedulemaybeasfrequentas dailyuntilnowaterispresent,andthencanbeextendedtolongerperiods.

•Installandmaintainaproperlydesignedandgroundedfiltrationsystem.Filtrationshouldincludeatthe entryandatthedispensingpoint.Continuousbulkfiltrationmayberequiredtoensurethatdispensed oilsmeetthecleanlinesstarget.

•Cover,protect,andensurecleanlinessofallconnectionhoses,fittings,anddispensingnozzles.

Note:BulkfuelfiltrationunitsareavailablethroughyourCatdealer.Propermaintenancepracticesofthe bulkfiltrationsystemsareavailablethroughyourCatdealer.

ContaminationControlRecommendationsforFuels

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Fuelsof"ISO18/16/13"cleanlinesslevelorcleanerasdispensedintotheengineormachinefueltankshould beused.Reducepowerloss,failures,andrelateddowntimeofengineswillresult.Thiscleanlinesslevelis importantfornewfuelsystemdesignssuchasCommonRailinjectionsystemsandunitinjectionsystems. Injectionsystemdesignsutilizehigherfuelpressuresandtightclearancesbetweenmovingpartsinorderto meetrequiredstringentemissionsregulations.Peakinjectionpressuresincurrentfuelinjectionsystemsmay exceed30,000psi.Clearancesinthesesystemsarelessthan5µm.Asaresult,particlecontaminantsassmall as4µmcancausescoringandscratchingofinternalpumpandinjectorsurfacesandofinjectornozzles.

Waterinthefuelcausescavitation,corrosionoffuelsystemparts,andprovidesanenvironmentwhere microbialgrowthinthefuelcanflourish.Othersourcesoffuelcontaminationaresoaps,gels,orother compoundsthatmayresultfromundesirablechemicalinteractionsinthefuels,particularlyinUltraLow SulfurDiesel(ULSD).Gelsandothercompoundscanalsoforminbiodieselfuelatlowtemperaturesorif biodieselisstoredforextendedperiods.Thebestindicationofmicrobialcontamination,fueladditives,or coldtemperaturegelisrapidfilterpluggingofbulkfuelfiltersormachinefuelfilters.

Inordertoreducedowntimeduetocontamination,followthesefuelmaintenanceguidelines.Also,follow theGeneralContaminationControlRecommendationsorPracticesgivenaboveinthisChapter:

•Usehigh-qualityfuelsperrecommendedandrequiredspecifications(refertotheFuelChapterinthis SpecialPublication)

•Fillmachinefueltankswithfuelsof"ISO18/16/13"cleanlinesslevelorcleaner,inparticularfor engineswithcommonrailandunitinjectionsystems.Whenyourefuelthemachine,filterthefuel througha4µmabsolutefilter(Beta4=75upto200)inordertoreachtherecommendedcleanliness level.Thisfiltrationshouldbelocatedatthedevicethatdispensesthefueltotheengineormachine fueltank.Inaddition,filtrationatthedispensingpointshouldremovewatertoensurethatfuelis dispensedat500ppmwaterorless.

•Catrecommendstheuseofbulkfuelfilter/coalescerunitswhichcleanthefuelofbothparticulate contaminationandwaterinasinglepass.Catoffersheavy-dutyfilter/coalescerunitstoaccommodate fuelingratesfrom50to300gpm(gallonsperminute).

•EnsurethatyouuseCatAdvancedEfficiencyFuelFilters.Changeyourfuelfiltersperrecommended servicerequirementsorasneeded.

•DrainyourwaterseparatorsdailypertheOperationandMaintenanceManualofyourmachine.

•Drainyourfueltanksofsedim%ntandwaterpertheOperationandMaintenanceManualofyour machineorsoonerasfuelconditionindicates.

•Installandmaintainaproperlydesignedbulkfilter/coalescerfiltrationsystem.Continuousbulk filtrationsystemsmayberequiredtoensurethatdispensedfuelmeetsthecleanlinesstarget.Consult yourCatdealerforavailabilityofbulkfiltrationproducts.

•Centrifugalfiltersmayneedtobeusedasapre-filterwithfuelthatisseverelycontaminatedwithgross amountsofwaterand/orlargeparticulatecontaminants.Centrifugalfilterscaneffectivelyremovelarge contaminants,butmaynotbeabletoremovethesmallabrasiveparticlesrequiredtoachievethe recommended"ISO"cleanlinesslevel.Bulkfilter/coalescersarenecessaryasafinalfilterinorderto achievetherecommendedcleanlinesslevel.

•Installdesiccanttypebreathersof4µmorlessabsoluteefficiencywiththeabilitytoremovewateron bulkstoragetanks.

•Followproperpracticesoffueltransportation.Filtrationfromthestoragetanktothemachinepromotes thedeliveryofcleanfueltomachinetank.Fuelfiltrationcanbeinstalledateachtransportstagein ordertokeepthefuelclean.

•Cover,protect,andensurecleanlinessofallconnectionhoses,fittings,anddispensingnozzles.

NOTICE

Inordertomeetexpectedfuelsystemcomponentlife,4micron(c) absoluteorlesssecondaryfuelfiltrationisrequiredforallCatdiesel enginesthatareequippedwithcommon-railfuelsystems.Also,4 micron(c)absoluteorlesssecondaryfuelfiltrationisrequiredforall Catdieselenginesthatareequippedwithunitinjectedfuelsystems. ForallotherCatdieselengines(mostlyolderengineswithpump,line andnozzletypefuelsystems),theuseof4micron(c)absoluteorless secondaryfuelfiltrationisstronglyrecommended.Notethatall currentCatdieselenginesarefactoryequippedwithCatAdvanced Efficiency4micron(c)absolutefuelfilters.

ConsultyourlocalCatdealerforadditionalinformationonCatdesignedandproducedfiltrationproducts.

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GuidanceforUseofCatFiltersonOtherOEMEngines

SMCS-1054;108K;1261;1263;1308;5068;7342

CatfiltersarenotdesignedtobeusedonotherOEMenginesormachines.Followthemanufacturer recommendationswhenusingCatfiltersonotherOEMenginesormachines.

Catfiltersareextensivelytestedandvalidatedtoensurethatthefiltersmeetallofthesystemand performancerequirementsofCatequipmentorenginesthefiltersaredesignedfor.Caterpillardoesnotverify whetherCatfiltersmeetthesystemandperformancerequirementsofothermanufacturesequipment/engines. CaterpillarexpectsthecustomerstoutilizeCatfiltersonCatequipmentandenginestoensureoptimum systemperformanceandthebestcomponentprotection.Othermanufacturesequipment/enginesmayhave differentperformanceparameters/requirementsthatdemandspecificfiltrationsolutions.

SomecustomersmaychoosetouseCatfiltersonothermanufacturesequipment/engines.Additionally,Cat filtrationproductsmayfitnonCaterpillarequipment/engines.Caterpillarpartswarrantydoesnotapplytothe useofCatfiltrationproductsonnonCatequipment/engines.Caterpillarhasnocontroloverhowthepartsare usedbycustomersafterthepartsarepurchasedfromCatdealers.

Alwaysrefertoandfollowyourenginesrecommendationsforfiltrationproducts.

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OperationandMaintenanceManual CaterpillarFiltersRecommendations

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GeneralInformation(GasEngineFilters)

SMCS-1054;1261;1308

i05540408

Naturalgasenginesrequirefuelthatisclean,dryandattheacceptablepressureforengineoperation.Filters fornaturalgasenginesarecriticaltosupplytheenginewiththecleananddryfuelandareappropriately sizedforthegaspressurerequiredforengineoperation.

Gasfuelfiltersarenolessimportantthanairfiltersindieselenginestoprotectgasenginesfromdirtand debris.Apropergasfuelfilterremovesimpuritiesthatcandamageinternalcomponentsoftheengine.

Formanygasengines,fuelfiltersareaprovisionofthedesignfortheapplication.Thesedevicesareincluded inthenormalmaintenanceoftheplant.Hence,Catdoesnotincludeastandardgasfuelfilterasapartofeach gasengine.However,gasfuelfiltersareavailablefromyourCatdealer.

Catnaturalgasfiltershavethefollowingcharacteristics:

•Speciallytreatedborosilicateglassmicrofibersthatactivelyrepeloilandwater

•Apositiveo-ringsealtoprevententryofdebrisandparticulatematterespeciallyinhighsootoperating conditionsthattendtoplugnormalfilters

•Chemicalresistantendcapsbuilttowithstandchallengingoperatingenvironments

Note:Useagasfuelfilterthatisdesignedtocaptureaminimumof99percentoftheparticlesthatare1 micronindiameter.

ConsultyourCatdealerforCatnaturalgasfuelfiltersandabouttherequirementsforfilteringyourfuel.

Forinformationontheengineoilfiltersforgasengines,refertothisSpecialPublication,"FluidFiltersand EngineOilFilters".

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OperationandMaintenanceManual

CaterpillarFiltersRecommendations

MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013

CabAirFilters

SMCS-7342

i05540350

Thepurposeofacabinairfilteristocleantheaircomingintothecab.Therearetypicallytwocabinair filters,afreshairfilterandarecirculationfilter.Thefreshairfiltercleanstheoutsideairpriortoenteringthe cab.Therecirculationfiltercleanstheairthatisinsidethecab.Cabinairfiltershelptoprotectthecab heatingandcoolingsystemfromdirtanddebris.Cabinairfiltersalsohelpwithoperatorwell-beingby providingcleanairwithinthecab.Thecabinairfiltershelptocreateacomfortableworkingenvironmentfor theoperator.

Note:Cabinairfiltersarenotforuseinfilteringhazardousmaterials.

Cabinairfiltersaredesignedspecificallyfortheapplicationinordertosupplytheproperairflowtothecab. ConsultyourCatdealerforthespecificcabinairfilterthatisdesignedforyourmachine.Donotsubstitute anyothercabinairfilter.

Note:Cabinairfiltersthatarenotdesignedfortheairflowandapplicationcandamagethecabheatingand coolingsystemcausingpoorperformance.ConsultyourCatdealerforthespecificcabinairfilterthatis designedforyourmachineanddonotsubstituteanyothercabinairfilter.

High-qualitycabinairfiltersystemshavethefollowingcharacteristics:

•Allowtheappropriatevolumeofcleanairtothecab

•Designedwiththecapacityfortheintendedlifeandmaintenanceintervals

•Withstandthevibrationsexpectedinthemachineandapplication

•Effectivelycleantheairtoprotectthecabheatingandcoolingcomponents

•Createacleanerandmorecomfortableworkingenvironmentfortheoperator

•Allowforeaseofserviceability

Note:Cabinairfiltersforoff-roadmachineshavetoberobustandofferdesiredlifeandperformanceunder demandingconditions.Off-roadmachinestypicallyexperiencehighvibration,highimpacts,anddusty environments.Thecabinairfilterelementsusedinoff-roadapplicationshavetoofferhighdirtholding capacityinordertoprotectthecabheatingandcoolingsystemforthedesignedservicelifeofthefilter.Use ofinferiorqualityfiltersoruseoffiltersotherthanthefiltersrecommendedforyourmachinemaycause poorperformanceanddamagetothecabheatingandcoolingsystem.

CatcabinairfiltersaredesignedforoptimalfitandperformanceintoallCatmachines.Thesefiltersare developedusinghigh-qualitymaterials,alongwithprecisedesignsanddimensions.Thesefiltersofferthe bestcapacity,leveloffiltration,andservicelifeneededforallCatmachinesandforallconditionsof operation.

Cabinairfiltersareselectedbasedontheairflowrequirementsofthecab.Thefollowingarethemain componentsfordesigningacabinairfilterfortheapplication.

CabAirFlow-Airflowneededforappropriatecabpressurization,aswellasheatingandcooling.Cabair flowistypicallyexpressedincubicfeetperminute(cfm),cubicmetersperminute(m3/min),orkilograms perhour(kg/hr).

InitialandFinalRestriction-Airrestrictionlimitneededtoensurecontinuousflowofappropriatevolume throughouttheservicelifeofthefilter.Initialrestrictionismeasuredwithacleanfilter.Finalrestrictionis measuredwithafullyloadeddirtyfilter.Restrictionistypicallyexpressedininchesofwater(inH2O)or kilopascals(kPa).

DustConcentration-Amountofdirt,dust,andcontaminationexpectedintheapplicationenvironment. Dustconcentrationistypicallyexpressedingramspermetercubed(g/m3).

Mounting-Availablespacetolocatethecabinairfilterproperly,whileconsideringthevibrationsexpected duringoperationofthemachine.

ServiceInterval-Expectedfrequencyofdirtyfilterreplacement.Theserviceintervalistypicallyexpressed inhours(hrs).

CabinAirFilterOptions

Standard

StandardefficiencycabinairfiltersareavailableforallCatequipmentmodels.Standardefficiencycabinair filtersarerecommendedfornormaldutyfiltration.Standardefficiencymediaisdesignedtopreventdirt, soot,sand,andothercontaminatesfromenteringthecabundernormaloperatingconditions.

HighEfficiency

HighefficiencycabinairfiltersareavailableforsomeCatequipmentmodels.Highefficiencycabinair filtersarerecommendedforextremelydustyenvironments.Highefficiencycabinairfiltershaveahigher initialandoverallefficiencyforimprovedperformance.Highefficiencycabinairfiltershaveimproveddirt holdingcapacity,whichextendsfilterservicelife,dependingontheoperatingconditions.

ActivatedCarbon

ActivatedcarboncabinairfiltersareavailableforsomeCatequipmentmodels.Thesecabinairfiltersare recommendedinsituationswhereodorisaproblem.Activatedcarboncabinairfiltersabsorbodorsaswell ascapturingdust.Activatedcarboncabinairfiltersmustbereplacedregularlyformaximumodorreduction.

LowerRestriction

LowerrestrictioncabinairfiltersareavailableforsomeCatequipmentmodels.Lowerrestrictioncabinair filtersaretypicallyrecommendedinsituationswherethereispoorcabairflow.Lowerrestrictioncabinair filtersallowformoreairflowintothecab,buttypicallyhavealowerefficiency.

CabinAirFilterServicing

Thecapacityandrestrictionofcabinairfiltersarecarefullydesignedfortheoptimalcabairflowand cleanliness.Properserviceandmanagementofthecabinairfiltersprotectstheheatingandcoolingsystem fromdirtanddust,increasesfilterlife,improvesefficiency,andreducescostofservicing.Properserviceand managementofthecabinairfiltersalsocreatesacleanerandmorecomfortableworkingenvironmentforthe operator.

•Usecarewhenhandlinganewfilterelementduringservicing.Keepthefilterelementcleanandinthe appropriatepackaginguntilreadytoinstallthefilterintothehousing.Keepthefilterelementexposure toopenairtoaminimumtolimitintroductionofdirtorelementdamage.

•Inspectthenewfilterelementpriortoinstallationintothehousingtoensurethattheelementisfree fromanydamage.Ensurethatthefilterelementiswellseatedandsealedagainstthehousing.

•Donot"tap"afilterelement,suchasonahardsurface,toremovethedust.Hittingthefilterelement onasurfacetoremovethedustcandamagethefilterelement.Deeplyembeddeddirtcannotbe removedbytappingthefilterelement.Thisprocesswillalsoremovethedirtlayerthatincreasesthe filterelementefficiency.

•Alwayschangeairfilterelementsbasedontherecommendedserviceinterval,nottheappearanceof thefilter.RefertotheOperationandMaintenanceManualfortherecommendedmaintenanceintervals.

•Changingtheairfilterelementbasedontherecommendedserviceintervalsallowsforoptimalservice lifeandefficiency.Changingtheairfilterelementpriortothedesignedlifeincreasesservicetimeand costunnecessarily.Changinganairfilterelementlatemaycausedamagetothecabheatingand coolingsystemduetopotentialfailureofthefilterelement.

•Whenservicingtheairfilter,inspectthehousingandmatingcomponentsforapparentdamage. Replaceasneeded.

CabinAirPrecleaners

Thepurposeofthecabinairprecleaneristocleantheairbeforetheairreachesthefreshairfilter.This precleaningisaccomplishedbyusingamotorandfantospintheincomingairatveryhighspeedinsidethe

precleaner.Theheavyparticlesrideontheoutsideoftheprecleanerbodyandareejectedbacktotheoutside beforeeverreachingthefilter.

Cabinairprecleanersextendthelifeofthefreshairfilters.Customershavedemonstratedatypicalincrease infilterlifeof5to10timescomparedtosystemswithouttheprecleaner.Asaresult,theuseofcabinair precleanerreducesthecostassociatedwithfrequentaircleanerchangesandreducesthemaintenancetime forfilterreplacement.

Additionally,cabinairprecleanersresultinpositive(higher)andmoreconsistentcabinairpressure.This positivecabinairpressurekeepsthecleanairinsidethecabwhilekeepingthedirtyairoutside.Without positivecabinairpressure,dirtyoutsideaircanenterthecabthroughanysmallopeningsincludingbroken doorseals,windowcracks,skipwelds,andcabpenetrations(harnesses,hydrauliclines,hoses).Withouta precleaner,thecabpressureishigheratthefastestfanspeedsettingandloweratthelowestfanspeedsetting. Withaprecleanerinstalled,thecabpressureremainshighnomatterwhatfanspeedisselected.

CabPressureMonitor

Cabpressureisveryimportanttomaintainingaclean,healthyworkingenvironmentinsidethecab.Dueto thisimportance,measuringcabinairinrealtimeandtomonitoringcabinairisuseful.Thismonitoring allowstheoperatortoreceivefeedbackifadoororwindowisleftopenorifafilterhasbecomepluggedwith dirt.Caterpillarhasreleasedacabinpressuremonitorfordealerinstallationwithadigitalreadout, programmablepressuresetpoint,andaudiblealarm.ConsultyourCatdealerformoreinformationandrefer toyourOperationandMaintenanceManualformoreinformation.

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OperationandMaintenanceManual CaterpillarFiltersRecommendations

MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013

i05540308

ManagementandCleaningofEngineAirFilters

SMCS-1054

Appropriatestorage,handling,anduseofairfilterelementsextendthelifeandallowforoptimalengine performanceandlowercostduetoappropriateserviceintervals.

•Alwaysstorethefilterelementssealedandinabox.Donotallowafilterelementtobeexposedtodirt, water,orothercontaminantsduringstorage.

•Storefiltersintheoriginalpackages,indoorsanddonotexposethefilterstoextremetemperatures. Thesestorageconditionspreservethefiltercleanlinessandmaintaintheintegrityofvariousfilter componentsincludingnon-metalcomponentssuchasseals.Thisstorageensuresthatthefilterswill performasdesignedandofferoptimalprotectionofthecomponents.Furthermore,whenfollowing theserecommendations,thelifeofthefiltersontheshelfcanbeupto5years.Theshelflifecanbe increasedifalloftheaboveconditionsaremetandthestoragefacilityhasaconsistentclimate controlledenvironment,whichincludesasteadytemperature(nolargefluctuationsintemperature)and low/controlledhumidity.Iftheclimatecontrolrequirementsaremet,theshelflifecanbeextendedup to8years.

•Exercisecarewhenremovingthefilterelementfromtheboxandfromthebagsothattheelementis notexposedtoanycontamination.

CleaningPrimaryAirFilterElements

Caterpillardoesnotrecommendthecleaningofairfilterelementssincethereisnotarelativelyfeasibleand reliablemethodofinspectingairfilterelementsfordamage.Adamagedairfilterelementcanallowdirtto passthrough,whichresultsinreducedefficiency.

Cleaningtheairfilterelementwillresultinaprogressivereductionfromtheoriginalfiltercapacityeachtime thefilteriscleaned.However,iftheownerinsistsoncleaningprimaryairfilterelementstoextendfilterlife, thefollowinginstructionsmayhelptominimizetherisks.

Donotcleantheairfilterelementsbybumpingortappingastheseactionscancausedamage.Donotuseair filterelementswithdamagedpleats,gaskets,orseals.Discarddamagedairfilterelements.

Donotusesolventsorwatertowashtheairfilterelement.

Whenattemptingtocleantheprimaryairfilterelement,useamaximumgaugedairpressureof207kPa(30 psi)ataminimumdistanceof75mm(3inch)foratleast3minutes.Donotaimthehigh-pressureairstream directlyatthefiltermedia,butrathersotheairflowsalongthelengthofthefiltermediasurface.Take extremecareduringthisproceduretohelppreventdamagetothefilterelementandtopreventforcingdirt furtherintothepleats.Thisproceduremaybeusedforamaximumofthreecleaningsbeforefilterelement replacement.

Theengineairfiltersecondary(safety)elementshouldneverbecleanedandshouldbereplacedeverythird primaryairfilterelementchange,orasrequired.

Neverattempttoreplaceafilterelementwhiletheengineisrunning.

NOTICE

Duetothelackofafeasibleandreliablefilterelementinspection procedure,thecustomerisencouragedtocloselymonitortheengine S·O·S(scheduledoilsampling)asthebestmeanstodetectdust ingestionintotheengine.RefertotheOperationandMaintenance Manualformoredetails.

Note:Caterpillarisnotresponsiblefordamagetotheairfilterelementsand/orcontingentdamageto Caterpillarequipmentduetounauthorizedairfiltercleaning.Anycleaningofairfilterelementsvoidsthe CaterpillarPartsWarrantyassociatedwiththeparts.

ThuJun2410:35:51UTC+05302021

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MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013 i05540289

ServicingEngineAirFilters

SMCS-1054

Thecapacityandrestrictionofaircleanersarecarefullydesignedfortheoptimalintakeairvolumeand cleanlinessoftheengine.Properserviceandmanagementoftheairfilterprotectstheenginefromdirtand dust,reducesenginedowntime,increasesfilterlife,improvesefficiency,andreducescostofservicing.

•Usecarewhenhandlinganewfilterelementduringservicing.Keepthefilterelementcleanandinthe filtersappropriatepackaginguntilreadytoinstallintothehousing.Keepthefilterelementexposureto openairtoaminimumtolimitintroductionofdirtorelementdamage.

•Inspectthenewfilterelementpriortoinstallationintothehousingtoensurethattheelementisfree fromanydamage.Ensurethatthefilterelementiswellseatedandsealedagainstthehousing.

•Donotremovethefilterelementfromthehousinginordertovisuallyinspecttheelementpriortothe serviceinterval.Visualinspectionofthefilterelementtodeterminethefiltersservicelifeisnotuseful andisnotrecommended.Removingthefilterelementfromthehousingbeforetherecommendedand designedserviceintervalcanintroducedirttothecleansideofthefilterelement.Thisdirtcanthenbe ingestedintotheenginecausingdamageanddecreasingtheperformance.

•Afilterelementwouldappeardirtyduringvisualobservation,butthefiltermaystillhavesignificant servicelife.Filterelementsdevelopa"dirtcake"oradirtlayerduringnormaloperation.Thedirtlayer increasesthefilterelementefficiency.Theefficiencyofthefilterelementislowestwhenthefilteris newandthedirtlayerhasnotformedyet.

•Frequentopeningofthehousingforvisualinspection,mayleadtoenginedamagebypotentially exposingthecleansideofthefiltertodustanddirt.

•Alwayschangeairfilterelementsbasedontheairfilterserviceindicator,nottheappearanceofthe filter.ChangetheprimaryfilterelementwhentherestrictionisatthelevelindicatedintheOperation andMaintenanceManual.

•Changingtheairfilterelementbasedonarestrictionindicatorallowsforoptimalservicelifeand efficiencyoftheaircleaner.Changingtheairfilterelementpriortothedesignedlifeincreasesservice timeandcostunnecessarily.Changinganairfilterelementlatemaydamagetheenginedueto potentialfailureofthefilterelement.

•Airfilterserviceindicatormayneedtoberesetafternewfilterelementisinstalled.Refertothe OperationandMaintenanceManualforinstructions.

•Typicallysecondaryelementsdonotneedtobeservicedateveryprimaryfilterelementservice interval.RefertotheOperationandMaintenanceManualfortherecommendedmaintenanceintervals.

•Useoffiltercoversandraincapsispreferredtoprotectthefilterfromwaterandlargedebris.

•Inspectthedustdischargevalveperiodicallytoremoveaccumulateddustfromtheprecleanerortwo stageaircleaner.

•Forprecleanerservicing(ifneeded)refertotheOperationandMaintenanceManual.

•Whenservicingtheairfilter,inspecttheconnections,clamps,andmountingcomponentsforapparent damage.Alsoinspectthefilterelementservicecoverseal(ifincluded)andlatchesforapparent damage.Replaceasneeded.

•Neverattempttoreplaceanairfilterelementwhiletheengineisrunning.

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MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013 i05540117

EngineAirFilters

SMCS-1054

Thepurposeofanengineairfilter,whichwillbereferredtoasanairfilterinthissection,istocleantheair incomingintotheengine,typicallycalledintakeair.Intheengine,intakeairmixeswithfuelthatisinjected intothecombustionchamberatpreciseratios.Thishighlydesignedcombustionprocessensuresthatthe engineoperatesasintendedandperdesign.

Thecleanlinessoftheintakeairiscriticaltotheperformanceoftheengine.Dirtyandcontaminatedintake aircausesalowerqualitycombustionprocess,whichresultsinaroughrunningengineandlowerpower. Also,dirtyintakeairintroducesabrasivedirtintoenginecomponentsthataremovingathighspeedsuchas pistons,rings,andbearings.Theabrasivedirtscratchesthesurfacesofmovingcomponentsandcauses gougingandroughness.Theroughandscratchedsurfacesleadtolowerperformance,higheroil consumption,reducedlifeoftheengine,downtime,alongwithothernegativeeffectsandhigher maintenancecost.

Airfiltersaredesignedspecificallyforthemachineorengineapplicationinordertosupplytheproperair flowforthecombustionprocess.Largeenginesmayrequiremultipleairfilterstosupplytheneededvolume ofcleanair.RefertoyourmachineOperationandMaintenanceManualforthespecificairfilterthatis designedforyourmachine.

NOTICE

Donotsubstituteanyotherairfilter.Airfiltersthatarenotdesigned fortheengineairflowandapplicationcandamagetheengineand causepoorperformance.

Off-roadandminingheavy-dutyequipmentandmachinestypicallyworkindustyanddirtyenvironments

Theairfilterelementsusedintheseapplicationshavetoofferstrengthandhighdirtholdingcapacityinorder toprotecttheengineforthedesignedservicelifeofthefilter.

CatairfiltersaredesignedforoptimalfitandperformanceintoallapplicationsofCatmachinesandengines. Thesefiltersaredevelopedusinghigh-qualitymaterials,precisedesigns,anddimensions.Thefiltersoffer thebestcapacity,leveloffiltration,andservicelifeneededforallCatenginemodelsandmachinesforall conditionsofoperation.

High-qualityairfiltersystemshavethefollowingcharacteristics:

•Allowtheappropriatevolumeofcleanintakeairtotheengine

•Designedwiththecapacityfortheintendedlifeandmaintenanceintervals

•Withstandthevibrationsexpectedinthemachineandapplication

•Effectivelycleantheintakeairtoprotecttheenginecomponents

•Allowforeaseofserviceability

•Preciselyfitintothemachineorenginedesign

Note:Airfiltersforoff-roadmachineshavetoberobustandofferstrength,desiredlife,andperformance underdemandingconditions.Off-roadmachinestypicallyexperiencehighvibration,highimpacts,anddusty environments.Useofinferiorqualityfiltersoruseoffiltersotherthanthosefiltersrecommendedforyour machinemaycausepoorengineperformanceandenginedamage.

AirFilterSelectionCriteria

Airfiltersareselectedbasedontheairflowrequirementsoftheengine.Thefollowingarethemain componentsfordesigninganairfilterfortheapplication.

RatedEngineAirFlow-Airflowneededforappropriateenginepowerandoperation.Airflowistypically expressedincubicfeetperminute(cfm),cubicmetersperminute(m3/min),orkilogramsperhour(kg/hr).

InitialandFinalRestriction-Airrestrictionlimitneededtoensurecontinuousflowofappropriatevolume throughouttheservicelifeofthefilter.Initialrestrictionismeasuredwithacleanfilterelement.Final restrictionismeasuredwithafullyloadeddirtyfilterelement.Restrictionistypicallyexpressedininchesof water(inH2O),orkilopascals(kPa).

DustConcentration-Amountofdirt,dust,andcontaminationexpectedintheapplicationenvironment. Dustconcentrationistypicallyexpressedingramspermetercubed(g/m3).

Mounting-Mountingistheavailablespacetolocatetheairfilterproperly,whileconsideringthevibrations expectedduringoperationoftheengineorthemachine.

ServiceInterval-Expectedfrequencyofdirtyfilterelementreplacement.Theserviceintervalistypically expressedinhours(hrs).Aserviceintervalbasedonthefilterrestrictionispreferred.RefertothisSpecial Publication,"ServicingEngineAirFilters"fordetails.

AirFilterComponents

Thedesignsofairfiltersmayvarysignificantlyamongdifferentairfiltermodels.Someairfilterdesignsare complicatedandmadeofmultiplecomponentswhileothersaresimpleandmadeoffewcomponents.Table1 liststhecomponentsthatcanbeincludedinairfilters.Thesecomponentsmaynotbeincludedinallairfilter designs.Useonlytherecommendedairfilterforyourmachine.

Note:Airfiltersarealsocalledaircleaners.Filterelementreferstothedisposablemedia. Illustration1g03525984

Exampleofairfiltercomponents

Assembledairfilter Table1

Component(1) Function

SinglestageaircleanerNoprecleaningfeature

Twostageaircleaner Containsprecleaningfeature

Precleaner Removesdirtpriortoprimaryfilter

Housing Protectsfilterelement

PrimaryfilterelementRemovesthemajorityofdustanddirtfromintakeair

Secondaryfilterelement (Safetyfilterelement)Protectsengineduringserviceorfailureofprimaryfilter

Dustdischarge/ScavengeportDirtdischargeoutletfortwostageaircleanersandprecleaners

Dustdischargevalve Availableontwo-stageaircleanersandprecleanerstodischargedirt Filterserviceindicator/sensorIndicatesfilterrestrictionandtruefilterservicelife

Raincap Protectsairintakefromrainandvariousformsofdebris

Ejectorcheckvalve Preventsexhaustbackflowandprotectsairfilter

(1)Thesecomponentsmaynotbeincludedineveryfilterdesign.

SingleStageAirCleaner(AirFilter)

Asinglestageaircleanerdoesnothaveaprecleaningfeaturedesignedintothehousing.Thisaircleaner typicallyhasaprimaryandasecondaryelements.Singlestageaircleanersarecommonlyusedforlowdust applications.

TwoStageAirCleaner(AirFilter)

Atwostageaircleanercontainsaprecleaningfeature.Theprecleaningfeatureistypicallydesignedintothe housing.Thisdesignallowstheincomingairtospininthehousing,whichcausestheseparationofthelarge particlesbeforetheairentersthefilterelement.Thelargeparticlesarethendischargedfromthehousing throughabuiltindischargeport.Typically,thetwostageaircleanerhasprimaryandsecondaryairfilter elements.Twostageaircleanersarecommonlyusedforhighdustapplications.

Precleaner

Exampleofaplenumthatconnectstheprecleanertothefilter

Aprecleanercanbeseparateorintegratedintotheaircleaner.Theprecleanerisdesignedtocleantheintake airbeforetheairflowsthroughtheprimaryfilterelement.Precleanersextendthelifeofprimaryfilter elementsbyremovinglargeparticlesofdustanddirtbeforetheparticlereachtheprimaryfilterelement. Therearetwomaintypesofprecleaners,turbineandseparatortube.Useofabuilt-industdischargeportin theprecleanerhousingisrecommendedinordertolimitdirtaccumulationandmaintenance.

Turbineprecleanersusearotatingimpellertoseparateprimarilylargeparticlesfromtheairstream.The rotatingimpellerforcesmostofthelargerparticlestowardstheouteredgeofasingleinletairstream.The particlesarethendischargedthroughadiverterfeaturebuiltintotheedgeofthehousing.Turbineprecleaners donottypicallyrequirescavenge,althoughtheturbineperformancecanbeenhancedifscavengecanbe used.

Separatortubeprecleanersusespeciallydesignedtubestoseparatelargeandsmallparticlesfromthe airstream.Separatortubeprecleanersuseseveralsmallerfixedvanecyclonictubestoforcethedirtparticles outofthedividedairstreamsbycentrifugalmotion.Thedirtparticlesarethendischargedthroughgravityfed orvacuumdrivenscavengeport.

Precleanerscanbeusedwithsingleorwithtwo-stageaircleaners.However,theuseofprecleanerswithtwo stageaircleanersisnotgenerallyrecommended.

Housing

Airfilterhousingscanbemetallic,non-metallic,oracombination.Housingscanhavevariousshapesand sizes.Airfilterhousingsaredesignedtobevibration,corrosion,chemical,andimpactresistant.Filter housingsshouldbedesignedtofitthemachineorengineapplication.Thefilterelementisdesignedtofit preciselyintothehousingtoensureagoodsealsothatonlycleanairenterstheengine.

PrimaryFilterElement

Theprimaryfilterelementisdesignedtoremovethedirtfromtheairstreambeforeenteringtheengine.The primaryfilterelementmediamaybesynthetic,cellulose,oracombination.Filtermediamayalsocontain resinsandbinders.Themediacouldbeofvariousdesignsincludingbutnotlimitedtopleatedandfluted.A high-qualityfiltermediaallowshighseparationefficiencyandextendedservicelife.Thefilterelementmay bedesignedtoofferalargesurfaceareaforadditionaldirtholdingcapacity.RefertotheOperationand MaintenanceManualfortherecommendedmaintenanceintervals.

Catprimaryairfilterelementsareofferedinstandardandultrahighefficiencymedia.

•CatstandardefficiencyfiltersareavailableforallCatequipmentmodels.Standardefficiencyairfilters arerecommendedfornormaldutyfiltration.Standardefficiencymediaisdesignedtopreventdirt, soot,sand,andothercontaminatesfromenteringtheengineundernormaloperatingconditions.

•Catultrahighefficiency(UHE)filtersareavailableforsomeCatequipmentmodels.UHEairfilters arerecommendedwhenextremefinedustorsootmakeupahighpercentageofthecontaminantsinthe atmosphere.UHEelementshaveahigherinitialandoverallefficiencyforimprovedengine performance.UHEelementshaveimproveddirtholdingcapacity,whichextendsfilterelementservice life,dependingontheoperatingconditions.

SecondaryFilterElement

Thesecondaryfilterelementisdesignedtopreventdirtfromenteringtheengineduringprimaryfilter elementserviceorasabackupiftheprimaryelementfails.Forthisreasonthesecondaryfilterelementmay alsobecalledasafetyfilter.Thesefilterelementsarenotusedineverydesignbutarehighlyrecommended. RefertotheOperationandMaintenanceManualfortherecommendedmaintenanceintervals.

SealingofMediaandHousing

Filterelementsshouldhaveappropriatesealingbetweenthemediaandthehousing.Thefilterelementis designedtofitpreciselyintothehousingtoensureagoodsealsothatonlycleanairenterstheengine. Sealingcanberadialoraxial.

•Radialsealedelementsaredesignedtosealontheinsideand/oroutsidediameterofthefilterelement astheelementcontactsthehousing.Thistypeofsealallowsformoreflexibilityduringtheinstallation process,whilestillprovidingarobustseal.Mostcurrentaircleanerdesignsuseradialsealing technology.

•Axialsealedelementsaredesignedtosealonlyontheendofthefilterelementasthefiltercontactsthe housing.Thistypeofsealhaslessflexibilityduringtheinstallationprocess,sincethesealrequiresa nearperfectpositioninthehousingtoprovideanadequateseal.Forthisreason,radialsealingis preferred.

DustDischarge/ScavengePort

Thedustdischargeportisusedtoprovideanoutletforthedirtremovedbytheprecleanerortwostageair cleaner.Dustdischargecanbeassistedbyadischargevalveorbytheuseofascavengesystem.Withoutthis port,thedirtmaybuildupinthecleanerandcloggingmayoccur.

DustDischargeValve

Thedustdischargevalveusesgravityandpressuretohelpeliminatethedirtfromthecleaner.Typically,this valvestayscloseduntiltheengineisturnedofforpulsationstriggerthevalvetoopen.Thevalvecanbe attacheddirectlytothedustdischargeportortoanextensiontube.Thelatterallowsgravitytoassistthe dischargeofdirt.

FilterServiceIndicator/Sensor

Filterserviceindicatorsallowthedeterminationofthepressuredropacrossthefilter.Asdustanddirt builduponthefilterelement,thepressureacrosstheelementincreases.Indicatorscanbeelectronicor mechanicalandmayuseremotelymounteddisplaysforoperatorconvenience.Filterelementsmustbe servicedwhentheelementsreachapre-designedpressuredrop.Indicatorsallowthedeterminationofthe pressuredropandhenceallowforservicingattherightinterval.Indicatorshelppreventoverservicingand highercost.Theindicatoralsohelppreventunderservicing,lossofperformanceandpotentialengine damage.RefertotheOperationandMaintenanceManualfortheindicatorrecommendedreadingorresetting ifneeded.

RainCap

Araincapprotectstheairintakefromrainandvariousformsofdebris.Ifneeded,theraincapmaybe integratedintotheprecleanerorcanbeaseparatecomponent.

EjectorCheckValve

Anejectorcheckvalvepreventsexhaustbackflowandprotectstheairfilterbyonlyallowingairtoflowin onedirection.

ThuJun2410:35:28UTC+05302021

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OperationandMaintenanceManual

CaterpillarFiltersRecommendations

MediaNumber-SEBU9208-00PublicationDate-01/02/2018DateUpdated-13/12/2013

GeneralInformation(AirFilters)

SMCS-1054;7342

i05540083

Airfilters,alsocalledaircleaners,areresponsibleforcontinuouslycleaningtheairincomingintotheengine orintothemachinecab.Airfiltersaredesignedtoeffectivelyremovecontaminantssuchasdust,dirt,soot, andotherair-bornparticulates.Whentherecommendedfiltersareusedandtherecommendedmaintenance intervalsarefollowed,theparticulatecontaminationintheincomingairisreducedresultinginthefollowing:

•Reducedenginecomponentswearandprotectionofmovingcomponentsintheengine

•Lowerengineormachinedowntime

•Enhancedperformanceoftheengineandreducedoilandfuelconsumption

•Preservationofthereliabilityandlifebuiltintotheenginesormachinecomponents

•Cleanairinthecabinandoperatorcomfort

Airsystemrequirementsmayvaryperapplication.Enginesusedinvariousapplicationssuchasmarine, locomotive,mining,construction,on-highway,oroff-highwayapplicationshaveuniqueenvironments.In general,heavy-dutyapplicationsexperiencehighdustintheworkenvironmentsandhighmachineorengine vibrations.

Catairfilterdesignsareoptimizedtoofferhighperformance,reliability,andcostvalueforallthe applicationsofCatenginesandmachines.Theseenhanceddesignsinvolvebutarenotlimitedtothe following:

•Latesttechnologiesoffiltermedia

•Application-specificprecleanersolutions

•Optimizedfilterdesignfortheapplication

•Optimizedfilterefficiencyandlifefortheapplication

•Appropriatefilterrestriction

•Precisefitintotheengine

•Bestcostvalue

•Consistentqualityworldwide

CatairfiltersarefactoryassembledintoallCatenginesandmachines.Thesefiltersareavailablefor aftermarketusethroughCatdealers.Theairfiltersavailableinthemarketplacevarysignificantlyinquality andperformance.Knowingthequalityoffiltersfromvisualobservationofthefiltersisnotpossible.Cat filtersareofhighqualityandhenceofferimprovedvalueandprotectionforthemachine.Theexpectation withahigh-qualityfilteristheinitialcostcanbehigherthanpoorqualityfilterduetotheamountofthe media,qualityofmediaandoverallconstructionofthefilter.Theoverallvalueofthefilterincludesinitial costofthefilter,valueofequipmentprotection,reductionofdowntimeofequipmentandextensionof equipmentlife.Asaresult,thelifecyclevalueofhigh-qualityfiltersoutweighstheinitialdifferenceincost.

ThischapterprovidesdetailsofthedesignsandefficienciesofCatEngineAirFiltersandCatCabinAir Filters.RefertoyourmachineorengineOperationandMaintenanceManualfortheairfilterrequirements andserviceintervals.CatairfiltersareavailablethroughCatdealers.

NOTICE

Donotsubstituteanyotherairfilter.Airfiltersthatarenotdesigned fortheengineairflowandapplicationcandamagetheengineand causepoorperformance.

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HandlingandStorage

SMCS-108K;1261;1308;5068

i05540038

Fluidfiltersarecarefullydesignedfortheoptimalfluidflowandcleanlinessoftheengineormachine compartment.Properstorageandhandlingoffluidfiltersprotectsandensuresoptimalperformanceand protectsenginesormachinecompartmentsfromcontamination,increasesfilterlife,improvesefficiency,and reducescostofservicinganddowntime.

Thefollowingaretherecommendationsforappropriatestorageandhandlingoffilters:

•Minimizehandlingofthepackagedfiltersduringservicing.Keepthefiltercleanandintheappropriate packaginguntilreadytoinstallthefilter.Keepthefilterexposuretoopenairtoaminimumtolimit introductionofdirtorelementdamage.Usecarewhenhandlinganewfilterelementduringservicing.

•Spinonfiltersareprotectedbytheoutermetalcanister.Followingtherecommendationsgivenabove ensuresthatthefiltersarefreefromdamageanddirt.

•Cartridgefiltersarenotprotectedbyacanisterandhencemustbehandledwithcaretoensurethatthe mediaisnotdamagedorcontaminated.Holdthecartridgeunitfromtheendcapswhenremovingfrom thepackagingandquicklydropthecartridgeinthecanistertoavoidcontaminationordamage.Ensure thatthefilterelementiswellseatedandsealedagainstthehousing.

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