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CAT + Caterpillar 446B Backhoe Loader Operation & Maintenance Manual

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Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-02499(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

Foreword

LiteratureInformation

Thismanualshouldbestoredintheoperator'scompartmentintheliteratureholderorseatback literaturestoragearea.

Thismanualcontainssafetyinformation,operationinstructions,transportationinformation, lubricationinformationandmaintenanceinformation.

Somephotographsorillustrationsinthispublicationshowdetailsorattachmentsthatcanbe differentfromyourmachine.Guardsandcoversmighthavebeenremovedforillustrative purposes.

Continuingimprovementandadvancementofproductdesignmighthavecausedchangestoyour machinewhicharenotincludedinthispublication.Read,studyandkeepthismanualwiththe machine.

Wheneveraquestionarisesregardingyourmachine,orthispublication,pleaseconsultyourCat dealerforthelatestavailableinformation.

Safety

Thesafetysectionlistsbasicsafetyprecautions.Inaddition,thissectionidentifiesthetextand locationsofwarningsignsandlabelsusedonthemachine.

Readandunderstandthebasicprecautionslistedinthesafetysectionbeforeoperatingor performinglubrication,maintenanceandrepaironthismachine.

Operation

Theoperationsectionisareferenceforthenewoperatorandarefresherfortheexperienced operator.Thissectionincludesadiscussionofgauges,switches,machinecontrols,attachment controls,transportationandtowinginformation.

s00037320

Photographsandillustrationsguidetheoperatorthroughcorrectproceduresofchecking,starting, operatingandstoppingthemachine.

Operatingtechniquesoutlinedinthispublicationarebasic.Skillandtechniquesdevelopasthe operatorgainsknowledgeofthemachineanditscapabilities.

Maintenance

Themaintenancesectionisaguidetoequipmentcare.TheMaintenanceIntervalSchedule(MIS) liststheitemstobemaintainedataspecificserviceinterval.Itemswithoutspecificintervalsare listedunderthe"WhenRequired"serviceinterval.TheMaintenanceIntervalScheduleliststhe pagenumberforthestep-by-stepinstructionsrequiredtoaccomplishthescheduledmaintenance. UsetheMaintenanceIntervalScheduleasanindexor"onesafesource"forallmaintenance procedures.

MaintenanceIntervals

Usetheservicehourmetertodetermineservicingintervals.Calendarintervalsshown(daily, weekly,monthly,etc.)canbeusedinsteadofservicehourmeterintervalsiftheyprovidemore convenientservicingschedulesandapproximatetheindicatedservicehourmeterreading. Recommendedserviceshouldalwaysbeperformedattheintervalthatoccursfirst.

Underextremelysevere,dustyorwetoperatingconditions,morefrequentlubricationthanis specifiedinthemaintenanceintervalschartmightbenecessary.

Performserviceonitemsatmultiplesoftheoriginalrequirement.Forexample,atevery500 servicehoursor3months,alsoservicethoseitemslistedunderevery250servicehoursor monthlyandevery10servicehoursordaily.

CaliforniaProposition65Warning

DieselengineexhaustandsomeofitsconstituentsareknowntotheStateofCaliforniatocause cancer,birthdefects,andotherreproductiveharm.

Batteryposts,terminalsandrelatedaccessoriescontainleadandleadcompounds.Washhands afterhandling.

CertifiedEngineMaintenance

Propermaintenanceandrepairisessentialtokeeptheengineandmachinesystemsoperating correctly.Astheheavydutyoff-roaddieselengineowner,youareresponsiblefortheperformance oftherequiredmaintenancelistedintheOwnerManual,OperationandMaintenanceManual,and ServiceManual.

Itisprohibitedforanypersonengagedinthebusinessofrepairing,servicing,selling,leasing,or tradingenginesormachinestoremove,alter,orrenderinoperativeanyemissionrelateddeviceor elementofdesigninstalledonorinanengineormachinethatisincompliancewiththe regulations(40CFRPart89).Certainelementsofthemachineandenginesuchastheexhaust system,fuelsystem,electricalsystem,intakeairsystemandcoolingsystemmaybeemission relatedandshouldnotbealteredunlessapprovedbyCaterpillar.

MachineCapacity

Additionalattachmentsormodificationsmayexceedmachinedesigncapacitywhichcan adverselyaffectperformancecharacteristics.Includedwouldbestabilityandsystemcertifications suchasbrakes,steering,androlloverprotectivestructures(ROPS).ContactyourCatdealerfor furtherinformation.

CatProductIdentificationNumber

EffectiveFirstQuarter2001theCatProductIdentificationNumber(PIN)haschangedfrom8to 17characters.Inanefforttoprovideuniformequipmentidentification,Caterpillarandother constructionequipmentmanufacturersaremovingtocomplywiththelatestversionoftheproduct identificationnumberingstandard.Non-roadmachinePINsaredefinedbyISO10261.Thenew PINformatwillapplytoallCatmachinesandgeneratorsets.ThePINplatesandframemarking willdisplaythe17characterPIN.Thenewformatwilllooklikethefollowing:

1.Caterpillar'sWorldManufacturingCode(characters1-3)

2.MachineDescriptor(characters4-8)

3.CheckCharacter(character9)

4.MachineIndicatorSection(MIS)orProductSequenceNumber(characters10-17).Thesewere previouslyreferredtoastheSerialNumber.

MachinesandgeneratorsetsproducedbeforeFirstQuarter2001willmaintaintheir8character PINformat.

This is the sample of the manual if you need complete manual Click Here to download

Componentssuchasengines,transmissions,axles,etc.andworktoolswillcontinuetousean8 characterSerialNumber(S/N).

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1419:40:52UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

AftermarketOilAdditives

SMCS-7581

Caterpillardoesnotrecommendtheuseofaftermarketadditivesinoil.Itisnotnecessarytouse aftermarketadditivesinordertoachievethemachine'smaximumservicelifeorrated performance.Fullyformulated,finishedoilsconsistofbaseoilsandofcommercialadditive packages.Theseadditivepackagesareblendedintothebaseoilsatprecisepercentagesinorderto helpprovidefinishedoilswithperformancecharacteristicsthatmeetindustrystandards.

Therearenoindustrystandardteststhatevaluatetheperformanceorthecompatibilityof aftermarketadditivesinfinishedoil.Aftermarketadditivesmaynotbecompatiblewiththe finishedoil'sadditivepackage,whichcouldlowertheperformanceofthefinishedoil.The aftermarketadditivecouldfailtomixwiththefinishedoil.Thiscouldproducesludge.Caterpillar discouragestheuseofaftermarketadditivesinfinishedoils.

ToachievethebestperformancefromCaterpillarmachines,conformtothefollowingguidelines:

•SelecttheproperCaterpillaroilorselectcommercialoilthatmeetsthespecifications designatedbyCaterpillarforthecompartment.

•Seetheappropriate“LubricantViscositiesforAmbientTemperatures”tableinthis publicationinordertofindthecorrectoilviscositygradeforthemachinecompartment.

•Atthespecifiedinterval,servicetheengineorservicetheothermachinecompartments.Use appropriatenewoilandinstallanappropriatenewoilfilter.

•PerformmaintenanceattheintervalsthatarespecifiedintheOperationandMaintenance Manual,"MaintenanceIntervalSchedule".

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1419:58:36UTC+05302023

i02870032

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

AirConditioner-Test-IfEquipped

SMCS-7320

NOTICE

Refrigerantintheairconditionersystemcancausepersonalinjury. Avoidanycontactwithrefrigerant.

Checktherefrigerantbeforewarmweatherbegins.Checktherefrigerantwhenthesystemdoes notworkproperly.

Thesystemshouldbecheckedwithpressuregaugesbyaqualifiedtechnician.Consultyour Caterpillardealerforproperinstallationwhenthesystemneedsrefrigerant.

Operatetheairconditioneratleastmonthlyinordertolubricatethecompressorseals.Setthe controlsonMAXIMUMfor15minutes.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:08:14UTC+05302023

i00079668

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

AirConditionerBelt-Inspect/Adjust/Replace

SMCS-1357;7320

1.Stoptheengineinordertoinspecttheairconditionerbelt.

2.Removetheengineaccesspanelontheleftsideofthemachine.

i00079675

Illustration2g00107591

3.Inspecttheconditionoftheairconditionerbeltandtheadjustmentoftheairconditioner belt.Theairconditionerbeltshoulddeflect14to20mm(0.55to0.79inch)under110N (25lb)offorce.

Illustration3g00107592

4.Loosentheadjustinglocknut(1).Loosenthecompressorbracketmountingbolt(2).

5.Movethecompressoruntilthecorrectbelttensionisreached.

6.Tightentheadjustinglocknut(1).Tightenthecompressorbracketmountingbolt(2).

7.Recheckthebeltdeflection.Iftheamountofdeflectionisincorrect,repeatStep218toStep 6.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:08:22UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

AlternatorandFanBelts-Inspect/Adjust/Replace

SMCS-1357

Ifnewbeltsareinstalled,checkbeltadjustmentafter30minutesofoperation.Formultiplebelt driveapplications,alwaysreplacethebeltsinmatchedsets.Replacingonlyonebeltofamatched setwillcausethenewbelttocarrymoreloadbecausetheolderbeltsarestretched.Theadditional loadonthenewbeltcouldcausethenewbelttobreak.

1.Removetheaccesspanelontherightsideofthemachine.

i00079712

2.Inspecttheconditionofthealternatorbeltsandtheadjustmentofthealternatorbelts.The alternatorbeltsshoulddeflect14to20mm(0.55to0.79inch)under110N(25lb)offorce.

Illustration3g00104958

3.Loosenthemountingbolt(1).Loosentheadjustinglocknut(2).

4.Movethealternatoruntilthecorrecttensionisreached.

5.Tightentheadjustinglocknut(2).Tightenthemountingbolt(1).

6.Recheckthebeltdeflection.Iftheamountofdeflectionisincorrect,repeatStep3toStep5.

7.Replacetheaccesspanel.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:08:43UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

AxleOscillationBearings-Lubricate

SMCS-3278;3282

i00079835

Applylubricanttothetworemotegreasefittingsforthetrunnionbearings.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:03:28UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

i00119137

Applylubricanttothegreasefittingsforthedriveshafttothefinaldrives.Therearetwogrease fittingsforeachdriveshaft.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:06:51UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

BackhoeBoom,Stick,Bucket,andCylinderBearingsLubricate

SMCS-6501;6502;6503;6510;6511;6512;6513;6533

Illustration1g00104983

Positionthebackhoeintotheserviceposition.

i00079849

Illustration2g00104962

Applylubricanttothegreasefittingfortheheadendoftheboomcylinder(1).Applylubricantto thegreasefittingfortherodendoftheboomcylinder(2).

Applylubricanttothegreasefittingfortheboompivot(3).Thereisonegreasefittingoneach sideofthemachine.

Illustration3g00104963

Applylubricanttothegreasefittingfortheheadendofthestickcylinder(4).Applylubricantto thegreasefittingfortherodendofthestickcylinder(5).

Applylubricanttothegreasefittingforthepivotpinforthestick(6).

Applylubricanttothegreasefittingfortheheadendofthebucketcylinder(7).Applylubricantto thegreasefittingfortherodendofthebucketcylinder(8).

Applylubricanttothegreasefittingforthepivotpin(9).Thereisonegreasefittingoneachside ofthemachine.

Applylubricanttothegreasefittingforthebucketpivotpin(10).

Applylubricanttothegreasefittingforthelink(11).

Thereisatotalofthirteengreasefittings.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:03:41UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

BackupAlarm-Test

SMCS-7406

TurntheenginestartswitchkeytoONinordertoperformthetest.

Applytheservicebrake.MovethetransmissiondirectioncontrollevertoREVERSEposition. Thebackupalarmshouldimmediatelysound.Thebackupalarmwillcontinuetosounduntilthe transmissiondirectioncontrolleverismovedtotheNEUTRALpositionortotheFORWARD position.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees. TueFeb1420:03:50UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual

446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

Battery-Recycle

SMCS-1401

i08232552

Alwaysrecycleabattery.Neverdiscardabattery.Returnusedbatteriestooneofthefollowing locations:

•Abatterysupplier

•Anauthorizedbatterycollectionfacility

•Arecyclingfacility

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:00:00UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

BatteryElectrolyteLevel-Check

SMCS-1401

Tightenthebatteryretainersonallofthemachines.Tightenthebatteryretainersatevery1000 hours.

Checkthefollowingitemsatevery1000hours.Ifnecessary,checkthefollowingitemsmore often.

•Cleanthetopofthebatterieswithacleancloth.

•Cleanthebatteryterminals.Asneeded,coatthebatteryterminalswithpetroleumjelly.

Abatteryshouldnotrequiremorethan30cc(1oz)ofwaterpercellperweek.Thisshouldexist withtheproperchargingrateandwithamoderateclimate.

Inextremetemperatures,checkthewaterinthecellsweekly.

i00080782

1.Openthebatteryaccesscoverthatislocatedontherightsideofthemachine.

2.Cleanthebatterysurfacewithacleancloth.Keeptheterminalscleanandkeeptheterminals coatedwithpetroleumjelly.Installthepostcoverafteryoucoatthepostwithpetroleum jelly.

3.Inspecttheelectrolytelevelineachbatterycell.Amaintenancefreebatterydoesnotrequire inspection.Maintaintheelectrolyteleveltothebottomofthefilleropenings.Usedistilled water.Ifdistilledwaterisnotavailable,usecleandrinkingwater.

4.Closethebatteryaccesscover.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:00:10UTC+05302023

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

BatteryorBatteryCable-Replace

SMCS-1401

1.TurntheenginestartswitchtotheOFFposition.TurnallswitchestotheOFFposition.

2.Removethefuseforsecondarysteeringwhenthemachineisequippedwith9R-6221 SecondarySteeringAttachment.

3.Disconnectthenegativebatterycablefromtheframe.

Note:Donotallowthedisconnectedbatterycabletocontacttheframeofthemachine.

4.Disconnectthenegativebatterycableatthebattery.

5.Performthenecessaryrepairs.Replacethecableorthebattery,asneeded.

6.Connectthenegativebatterycableatthebattery.

7.Connectthebatterycabletotheframeofthemachine.

8.Installthefuseforsecondarysteering.

9.Installtheenginestartswitchkey.

Copyright1993-2023CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueFeb1420:00:22UTC+05302023

i00080792

Product:BACKHOELOADER

Model:446BBACKHOELOADER5BL

Configuration:446BBackhoeLoader5BL00001-03294(MACHINE)POWEREDBY3114Engine

OperationandMaintenanceManual 446BBackhoeLoader

MediaNumber-SEBU6652-01PublicationDate-01/04/1997DateUpdated-12/05/2004

BrakingSystem-Test

SMCS-4251;4267

ServiceBrakeHoldingAbilityTest

Checktheareaaroundthemachine.Makesurethatthemachineisclearofpersonnelandclearof obstacles.

Testthebrakesonadry,levelsurface.

Fastentheseatbeltbeforeyoutestthebrakes.

Thefollowingtestsareusedtodetermineiftheservicebrakeisfunctional.Thesetestsarenot intendedtomeasurethemaximumbrakeholdingeffort.Thebrakeholdingeffortthatisrequired tosustainamachineataspecificenginerpmvariesdependingonthemachine.Thevariationsare thedifferencesintheenginesetting,inthepowertrainefficiency,andinthebrakeholdingability, etc.

1.Starttheengine.Raisethebucketslightly.

2.Applytheservicebrake.Releasetheparkingbrake.

3.MovethetransmissioncontrollevertoFOURTHSPEEDFORWARD.

4.Graduallyincreasetheenginespeedtohighidle.Themachineshouldnotmove.

Ifthemachinebeginstomove,reducetheenginespeedimmediatelyand engagetheparkingbrake.

i00080882

This is the sample of the manual if you need complete manual Click Here to download

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