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350 Caterpillar Excavator Operation and Maintenance Manual

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Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

SpecificationsandModelView (1)Counterweight.(2)EngineHood.(3)Engine.(4)RadiatorandOilCooler.(5)AirCleaner.(6)FuelTank.(7)Control

Valve.(8)Operator'sSeat.(9)ImplementControlLever.(10)Cab.(11)SwingBearing.(12)Battery.(13)Grease Lubricator.(14)Swivel.(15)ToolBox.(16)HydraulicTank.(17)SwingDrive(withmotor).(18)ReturnFilter (hydraulic).(19)BoomCylinder.(20)Boom.(21)StickCylinder.(22)Stick.(23)BucketCylinder.(24)Link.(25)Power Link.(26)Bucket.(27)Track.(28)Idler.(29)AdjustableTrackFrame.(30)TrackAdjuster.(31)TrackRoller.(32) CarrierRoller.(33)FinalDrive(withmotor).(34)CatWalk.(35)MainPump.(36)SwingPump.

Basicmachineshippingspecificationsarelistedbelow.

Forinformationonspecificationsforconfigurationsotherthanthoseincludedinthepreviouschart, consultyourCaterpillardealer.

CompatibilityChartForBoom/Stick/BucketCombinations

Bucketsaregroupedintotwodifferentfamilies"F"and"G"bycapacity.Asageneralrule,toassure bettermachinestabilityandprotectagainststructuralmachinedamage,useasmallercapacitybucket whenusedwithalongerstickand/orboom,andalargeronewhenusedwithashorterstickand/or boom.

Thismachinecanbeequippedwithalargevarietyoffrontimplementcombinationstomeettheneeds ofvariousapplications.

Eachstickisdesignedtomatchaspecificbucketfamily.Itisnotpossibletoattachbucketsofa differentfamilytoagivenstick.

Thefollowingchartsrepresentvariouscompatiblecombinationsoftheboom,stickandbucket.Select anoptimumcombinationdependingontypeofworkconditionsandpurposes.

Copyright1993-2022CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueAug212:01:22UTC+05302022

Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual 350AND350LEXCAVATORS

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

ProductIdentificationandSerialNumberLocation

TheProductIdentificationNumber(PIN)willbeusedtoidentifyapoweredmachinethatisdesigned foranoperatortoride.

Caterpillarproductssuchasearthmovingequipmentnotdesignedforanoperatortoride(engines, transmissions,etc.)areidentifiedbySerialNumbers.Also,mostmajorCaterpillarattachmentsare identifiedbySerialNumbers.

Forquickreference,recordtheidentificationnumbersinthespacesprovidedbelowtheillustration.

Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual 350AND350LEXCAVATORS

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

Foreword

LiteratureInformation

Thismanualshouldbestoredintheoperator'scompartmentintheliteratureholderorseatback literaturestoragearea.

Thismanualcontainssafety,operation,transportation,lubricationandmaintenanceinformation.

Somephotographsorillustrationsinthispublicationshowdetailsorattachmentsthatcanbedifferent fromyourmachine.Guardsandcoversmighthavebeenremovedforillustrativepurposes.

Continuingimprovementandadvancementofproductdesignmighthavecausedchangestoyour machinewhicharenotincludedinthispublication.Read,studyandkeepthismanualwiththe machine.

Wheneveraquestionarisesregardingyourmachine,orthispublication,pleaseconsultyour Caterpillardealerforthelatestavailableinformation.

Safety

TheSafetySectionlistsbasicsafetyprecautions.Inaddition,thissectionidentifiesthetextand locationsofwarninglabelsusedonthemachine.

ReadandunderstandthebasicprecautionslistedintheSafetySectionbeforeoperatingorperforming lubrication,maintenanceandrepaironthismachine.

Operation

TheOperationSectionisareferenceforthenewoperatorandarefresherfortheexperiencedone. Thissectionincludesadiscussionofgauges,switches,machinecontrols,implementcontrols, transportationandtowinginformation.

Photographsandillustrationsguidetheoperatorthroughcorrectproceduresofchecking,starting, operatingandstoppingthemachine.

Operatingtechniquesoutlinedinthispublicationarebasic.Skillandtechniquesdevelopasthe operatorgainsknowledgeofthemachineanditscapabilities.

California

Proposition65Warning

DieselengineexhaustandsomeofitsconstituentsareknowntothestateofCaliforniatocause cancer,birthdefects,andotherreproductiveharm.

Maintenance

TheMaintenanceSectionisaguidetoequipmentcare.Theillustrated,step-by-stepinstructionsare groupedbyservicingintervals.ItemswithoutspecificintervalsarelistedunderWhenRequired topics.ItemsintheMaintenanceIntervalschartarereferencedtodetailedinstructionsthatfollow.

MaintenanceIntervals

Usetheservicehourmetertodetermineservicingintervals.Calendarintervalsshown(daily,weekly, monthly,etc.)canbeusedinsteadofservicehourmeterintervalsiftheyprovidemoreconvenient servicingschedulesandapproximatetheindicatedservicehourmeterreading.Recommendedservice shouldalwaysbeperformedattheintervalthatoccursfirst.

Underextremelysevere,dustyorwetoperatingconditions,morefrequentlubricationthanisspecified intheMaintenanceIntervalschartmightbenecessary.

Performserviceonitemsatmultiplesoftheoriginalrequirement.Forexample,atEvery500Service Hoursor3Months,alsoservicethoseitemslistedunderEvery250ServiceHoursorMonthly,Every 50ServiceHoursorWeeklyandEvery10ServiceHoursorDaily.

MachineDescription

Thismachineisequippedwitha3306directinjectionturbochargedenginewithaftercoolerandother specificallydevelopedsystemsandcomponentssuchaselectronicpowerunitcontrolsystem,power modesystem,two-speedtravelmotor,etc.Themachineisdesignedprimarilyforexcavatingand loadingmaterial.

TueAug211:59:29UTC+05302022

This is the sample of the manual Click on the download link for complete Manual

Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

350AND350LEXCAVATORS

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

LiteratureReferenceMaterials

CaterpillarReferenceMaterial

ThefollowingliteraturecanbeobtainedthroughanyCaterpillardealer.

SEBD0518,KnowYourCoolingSystem

SEBD0970,CoolantandYourEngine

SEBD0717,DieselFuelsandYourEngine

SEHS9031,StorageProcedureforCaterpillarProducts

SEBU5898,ColdWeatherRecommendationsOperationandMaintenanceManual

SEBU6310,EMALubricatingOilsDataBookforengines

SEBD0640,OilandYourEngine

SEBU6250,CaterpillarMachineLubricantRecommendations

SEBU5294,SafetyManual

SENR6110,ServiceManual

SEHS9658,SpecialInstruction,AuxiliaryValveFlowAdjustmentProcedure

AdditionalReferenceMaterial

ASTMD2896TBNMeasurements(Cannormallybeobtainedfromyourlocaltechnologicalsociety, libraryorcollege.)

SAEJ313DieselFuels(FoundintheSAEhandbookorcanbeobtainedfromanylocallibrary, collegeortechnologicalsociety.)

SAEJ754Nomenclature(NormallyfoundintheSAEhandbook.)

Copyright1993-2022CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

TueAug212:03:03UTC+05302022

Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual 350AND350LEXCAVATORS

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

TorqueSpecifications

Foradditionaltorquespecifications,notincludedinthissection,refertoTorqueSpecifications, SENR3130,availablefromyourCaterpillardealer.

TorquesforGroundEngagingToolBolts

NOTICE

Thefollowingchartgivesthetorquesforinitialinstallationofhose clampsonnewhoseandforreassemblyorretighteningofhoseclamps onexistinghose.

TorquesforStandardFasteners

NOTICE

Thefollowingchartsgivegeneraltorquesforbolts,nutsandtaperlock studsofSAEGrade5orbetterquality.

TorquesforBoltsandNuts

TorquesforTaperlockStuds

RecommendedTorquesforSwivelNutsonHydraulicHoses

NOTICE

Thefollowingchartgivesrecommendedtorquesforswivelnutson existinghydraulichoses.

TorquesforMetricFasteners

NOTICE

BeverycarefulnevertomixmetricwithU.S.customary(standard) fasteners.Mismatchedorincorrectfastenerswillcausemachine damageormalfunctionandcanresultinpersonalinjury.

Originalfastenersremovedfromthemachineshouldbesavedfor reassemblywheneverpossible.Ifnewfastenersareneeded,theymust beofthesamesizeandgradeastheonesthatarebeingreplaced.

Thematerialstrengthidentificationisusuallyshownonthebolthead bynumbers(8.8,10.9,etc.).Thefollowingchartgivesstandardtorques forboltsandnutswithGrade8.8.

NOTE:Metrichardwaremustbereplacedwithmetrichardware.Checkpartsmanualforproper replacement.

TorquesforBoltsandNuts

TorquesforTaperlockStuds

TorquesforBoltsonMajorComponents

TorquesforUndercarriageBolts

TueAug212:22:06UTC+05302022

Product:EXCAVATOR

Model:350EXCAVATOR7RK

Configuration:350350LTRACK-TYPEEXCAVATORS7RK00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual 350AND350LEXCAVATORS

MediaNumber-SEBU6725-01PublicationDate-13/09/1995DateUpdated-30/01/2002

CoolingSystemSpecifications

CoolantInformation

Dieselengineoperatingtemperatureshaveincreasedtoimproveengineefficiency.Thismeansproper coolingsystemmaintenanceisespeciallyimportant.Overheating,overcooling,pitting,cavitation erosion,crackedheads,pistonseizures,andpluggedradiatorsareclassiccoolingsystemfailures.In fact,coolantisasimportantasthequalityoffuelandlubricatingoil.

NOTICE

Caterpillarrecommendsthatthecoolantmixturecontainaminimum of30%CaterpillarAntifreeze,orequivalent.Liquidsupplemental coolantadditivemustbeadded,whennotusingCaterpillarAntifreeze, whichcontainstheproperadditive.

Neveraddcoolanttoanoverheatedengine,enginedamagecanresult. Allowtheenginetocoolfirst.

Allwateriscorrosiveatengineoperatingtemperature.Thecooling systemshouldbeprotectedwitha3to6%concentrationofliquid supplementalcoolantadditiveatalltimes,regardlessofthe concentrationofantifreeze.

Excessivesupplementalcoolantadditivegreaterthanthe recommended6%,togetherwithconcentrationsofantifreezegreater than65%cancausedepositstoformandcanresultinradiatortube blockage,overheating,and/orwaterpumpsealdamage.

Donotuseliquidsupplementalcoolantadditiveorelementsor antifreezewithDowtherm209Full-Fillcoolant.Dowtherm209FullFillcoolantisnotcompatiblewithotherantifreezeandcoolant mixtures.

Dowtherm209Full-Fillcoolantwilllowerthewaterpumpcavitation temperatureandcoolantboilingpoint.Theseloweredtemperatures willcauseoverheatingatalowerambienttemperaturethanan ethyleneglycolandwatermix.IfDowthermisused,followthe instructionsprovidedanduseonlytheinhibitorpackagerecommended bythesupplier.

Ifthemachineistobestoredin,orshippedto,anareawithfreezing temperatures,thecoolingsystemmustbeprotectedtothelowest expectedoutside(ambient)temperature.

Theenginecoolingsystemisnormallyprotectedto-28°C(-20°F)with CaterpillarAntifreeze,whenshippedfromthefactoryunlessspecial requirementsaredefined.

Checkthespecificgravityofthecoolantsolutionfrequentlyincoldweathertoensureadequate protection.

Cleanthecoolingsystemifitiscontaminated,iftheengineoverheatsoriffoamingisobservedinthe radiator.

Coolantshouldbedrained,thesystemcleanedandnewcoolantaddedevery3000servicehoursor twoyears.WhennotusingCaterpillarAntifreezeandsupplementalcoolantadditiveasrecommended, thedrainperiodmustbeshortenedto1500servicehoursoroneyear.

Fillingatover20liters(5U.S.gallons)perminutecancauseairpocketsinthecoolingsystem.

Afterdrainingandrefillingthecoolingsystem,operatetheenginewiththeradiatorcapremoveduntil thecoolantreachesnormaloperatingtemperatureandthecoolantlevelstabilizes.Addcoolantas necessarytofillthesystemtotheproperlevel.

Neveroperatewithoutathermostatinthecoolingsystem.Coolingsystemproblemscanarisewithout athermostat.

RefertoKnowYourCoolingSystem,SEBD0518,andCoolantandYourEngine,SEBD0970,for moredetailedspecifications.

CoolantWater

Hardwater,orwaterwithhighlevelsofcalciumandmagnesiumions,encouragestheformationof insolublechemicalcompoundsbycombiningwithcoolingsystemadditivessuchassilicatesand phosphates.

Thetendencyofsilicatesandphosphatestoprecipitateout-of-solutionincreaseswithincreasingwater hardness.Hardwater,orwaterwithhighlevelsofcalciumandmagnesiumionsencouragesthe formationofinsolublechemicals,especiallyafteranumberofheatingandcoolingcycles.

Caterpillarpreferstheuseofdistilledwaterordeionizedwatertoreducethepotentialandseverityof chemicalinsolubility.

Usingwaterthatmeetstheminimumacceptablewaterrequirementmaynotpreventdrop-outofthese chemicalcompoundstotally,butshouldminimizetheratetoacceptablelevels.

Antifreeze

NOTICE

Caterpillarrecommendsthatthecoolantmixcontainaminimumof 30%CaterpillarAntifreeze,orequivalentandacceptablewaterto maintainanadequatewaterpumpcavitationtemperatureforefficient waterpumpperformance.

Premixcoolantsolutiontoprovideprotectiontothelowestexpected outside(ambient)temperature.Pureundilutedantifreezewillfreezeat -23°C(-10°F).

Onlyuseagreaterconcentration(above30%)ofCaterpillar Antifreezeasneededforanticipatedoutside(ambient)temperatures. Donotexceedacoolantmixtureof60%antifreezetowatersincea concentrationabove60%antifreezewillreducetheengine'sfreeze protectionandincreasethepossibilityofdepositformationinthe coolingsystem.

UseCaterpillarAntifreezeorGMSpecification6038-MAntifreeze.CaterpillarAntifreezeisavailable throughyourCaterpillardealerinquantitiesthatfollow.

Mostcommercialantifreezesareformulatedforgasolineengineapplicationsandwill,therefore,have highsilicatecontent.CaterpillarAntifreezeisformulatedwithalowsilicatecontentandtheproper coolantadditivesforheavydutydieselengines.

GMSpecification6038-Misalowsilicateantifreeze,butsupplementalcoolantadditivemustbe added.

ThemajoradvantagesofCaterpillarAntifreezeare:

*Significantlyreduceswaterpumpsealleakageproblemscausedbyexcessiveconcentrationof chemicaladditives.

*Thereisnoneedtoaddsupplementalcoolantadditiveoninitialfillwhichmustbedonewith currentcommerciallyavailableantifreezes.

*Highsilicateantifreezesusedwithasupplementalcoolantadditivecancauseabuildupof solidsoveraperiodoftimewhichcancauseplugging,lossofheattransfer,andwaterpump sealdamage.

Makeproperantifreezeadditions.

Addingpureantifreezeasamakeupsolutionforcoolingsystemtop-offisanunacceptablepractice.It increasestheconcentrationofantifreezeinthecoolingsystemwhichincreasestheconcentrationof dissolvedsolidsandundissolvedchemicalinhibitorsinthecoolingsystem.Addantifreezemixedwith watertothesamefreezeprotectionasyourcoolingsystem.

UsethechartbelowtoassistindeterminingtheconcentrationofCaterpillarAntifreezetouse.

Supplementalcoolantadditiveisnecessarytopreventrust,scale,pittingand/orcorrosionofengine partsthatcoolantcomesincontactwith.MostantifreezesolutionsDONOTcontainsufficient supplementalcoolantadditive.

NOTICE

Alwaysaddsupplementalcoolantadditiveorequivalenttothecoolant, orinstallaCaterpillarsupplementalcoolantadditiveelement(if equipped).Neverusecoolantonly,exceptifCaterpillarAntifreezeis beingusedwhichcontainstheadditive.Inthiscase,nosupplemental coolantadditiveisneededoninitialfill,butisnecessaryona maintenancebasis.

Usesupplementalcoolantadditiveorasupplementalcoolantadditive element(ifequipped).Thiswillprovidea3to6%concentrationinthe coolingsystemtohelppreventcorrosion.

Topreventoverinhibitingtheengine'scoolingsystem,neveruseboth theliquidsupplementalcoolantadditiveandthesupplementalcoolant additiveelement(ifequipped)atthesametime.Theuseofthese additivestogethercouldresultinexcessiveconcentrationthatwould exceedtheCaterpillarrecommendedmaximumof6%.

Excessiveconcentrationofanadditivecanformdepositsonthehigher temperaturesurfacesofthecoolingsystemandcreateabarrierthat reducestheengine'sheattransfercharacteristics.Reducedheat transfercouldcausecrackingofthecylinderheadandotherhigh temperaturecomponents.Excessiveconcentrationsofadditivecould alsoacceleratewaterpumpsealwear.

SupplementalcoolantadditiveisneededwhennotusingCaterpillar Antifreezeforpremixedcoolantsolution.

LiquidsupplementalcoolantadditivecanbepurchasedfromyourCaterpillardealer.Followthe instructionsonthecontainer.

NOTICE

DONOTaddsupplementalcoolantadditiveatinitialfillwhenusing CaterpillarAntifreeze.CaterpillarAntifreezecontainsthenecessary supplementalcoolantadditiveprecharge.Additionofsupplemental coolantadditivecouldresultinanoverconcentration.

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