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235D Caterpillar Excavator Operation and Maintenance Manual

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Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual 235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

ProductIdentificationandSerialNumberLocations

TheProductIdentificationNumber(PIN)willbeusedtoidentifyapoweredmachinethatis designedforanoperatortoride.

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

Forquickreference,recordtheidentificationnumbersinthespacesprovidedbelowthe illustration.

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

SpecificationsandModelViews

Engine(1),fueltank(2),hydraulictank(3),boom(4)andstick(5).

Operator'scompartment(6),radiator(7),finaldrives(8),andcounterweight(9).

Keystartswitch(10)andmonitoringsystem(11).

Basicmachineshippingspecificationsarelistedbelow.

Copyright1993-2024CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

ThuApr2510:56:00UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

Foreword

LiteratureInformation

Thismanualshouldbestoredintheoperator'scompartmentintheliteratureholderorseatback literaturestoragearea.

Thismanualcontainssafety,operation,transportation,lubricationandmaintenanceinformation.

Somephotographsorillustrationsinthispublicationshowdetailsorattachmentsthatcanbe differentfromyourmachine.Guardsandcoversmighthavebeenremovedforillustrative purposes.

Continuingimprovementandadvancementofproductdesignmighthavecausedchangestoyour machinewhicharenotincludedinthispublication.Read,studyandkeepthismanualwiththe machine.

Wheneveraquestionarisesregardingyourmachine,orthispublication,pleaseconsultyour Caterpillardealerforthelatestavailableinformation.

Safety

TheSafetySectionlistsbasicsafetyprecautions.Inaddition,thissectionidentifiesthetextand locationsofwarningsignsandlabelsusedonthemachine.

ReadandunderstandthebasicprecautionslistedintheSafetySectionbeforeoperatingor performinglubrication,maintenanceandrepaironthismachine.

Operation

TheOperationSectionisareferenceforthenewoperatorandarefresherfortheexperiencedone. Thissectionincludesadiscussionofgauges,switches,machinecontrols,attachmentcontrols, transportationandtowinginformation.

Photographsandillustrationsguidetheoperatorthroughcorrectproceduresofchecking,starting, operatingandstoppingthemachine.

Operatingtechniquesoutlinedinthispublicationarebasic.Skillandtechniquesdevelopasthe operatorgainsknowledgeofthemachineanditscapabilities.

Maintenance

TheMaintenanceSectionisaguidetoequipmentcare.Theillustrated,step-by-stepinstructions aregroupedbyservicingintervals.Itemswithoutspecificintervalsarelistedunder"When Required"topics.Itemsinthe"MaintenanceIntervals"chartarereferencedtodetailedinstructions thatfollow.

MaintenanceIntervals

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

Underextremelysevere,dustyorwetoperatingconditions,morefrequentlubricationthanis specifiedinthe"MaintenanceIntervals"chartmightbenecessary.

Performserviceonitemsatmultiplesoftheoriginalrequirement.Forexample,at"Every500 ServiceHoursor3Months,"alsoservicethoseitemslistedunder"Every250ServiceHoursor Monthly"and"Every10ServiceHoursorDaily."

MachineDescription

Thismachineisequippedwithadirect-injection3306turbochargedandaftercooledengine.Ithas hydrostaticdrive,variableflowhydraulicsandspringapplied/hydraulicallyreleasedbrakes.

Thismachineisdesignedprimarilyformovinganddiggingmaterial.

Copyright1993-2024CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

ThuApr2510:53:54UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

LiteratureReferenceMaterials

CaterpillarReferenceMaterial

ThefollowingliteraturecanbeobtainedthroughanyCaterpillardealer.

SEBD0518,KnowYourCoolingSystem

SEBD0970,CoolantandYourEngine

SEBD0717,DieselFuelsandYourEngine

SEHS7067,FuelsRecommendationsforCaterpillarDieselEngines

LEDT5092,DrivingTechniquesForMaximumFuelEconomy

LEGT5087,TruckEngineApplicationandInstallationGuide

LEKQ3363,CaterpillarEngineDataSheet60.1,FuelsRecommendedForUseInCaterpillar TruckEngines

SEBU5898,ColdWeatherRecommendationsOperationandMaintenanceManual

SEBU6310,EMALubricatingOilsDataBookforengines

SEBD0640,OilandYourEngine

SEBU6453,Operation&MaintenanceManual

SENR5430,ServiceManual

SEBP2020,PartsManual

SEHS7392,StorageofDieselEngines

SEHS9031,StorageProcedureforCaterpillarProducts

SEBF8029,GuidelineForReusablePartsandSalvageOperations(Anindexofpublicationson reusabilityorsalvageofusedparts.)

SEBU5294,SafetyManual

SFBU6453,FrenchOperation&MaintenanceManual

SSBU6453,SpanishOperation&MaintenanceManual

SGBU6453,GermanOperation&MaintenanceManual

SLBU6453,ItalianOperation&MaintenanceManual

AdditionalReferenceMaterial

ASTMD2896TBNMeasurements(Cannormallybeobtainedfromyourlocaltechnological society,libraryorcollege.)

SAEJ313DieselFuels(FoundintheSAEhandbookorcanbeobtainedfromanylocallibrary, collegeortechnologicalsociety.)

SAEJ754Nomenclature(NormallyfoundintheSAEhandbook.)

SAEJ183Classification(NormallyfoundintheSAEhandbook.)

MaintenanceChartandDecal

ThefollowingformnumberscanbeorderedfromanyCaterpillardealer.

SELU6453chartcontainslubricationandmaintenanceinformationwithanoverheadviewof product,onoilandtearresistantmaterial.Chartcontainsrefillcapacities,lubricant recommendationsanddailywalk-aroundinspectioninformation.

SEEU6453decalcontainslubricationandmaintenanceinformationwithanoverheadviewof product,includinglubricantandrefillcapacityrecommendations.Decalcanbeplacedanywhere, butshouldnotbeplacedoverothersignsoronwindows.

Copyright1993-2024CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees. ThuApr2510:58:53UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

TorqueSpecifications

Foradditionaltorquespecifications,notincludedinthissection,referto"TorqueSpecifications," formSENR3130,availablefromyourCaterpillardealer.

Thefollowingchartgivesthetorquesforinitialinstallationofhose clampsonnewhoseandforreassemblyorretighteningofhoseclamps onexistinghose.

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

TorquesforStandardFasteners

NOTICE

Thefollowingchartsgivegeneraltorquesforbolts,nutsandtaperlock studsofSAEGrade5orbetterquality.

TorquesforBoltsandNuts

TorquesforTaperlockStuds

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

ThuApr2510:54:48UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

CoolingSystemSpecifications

CoolantInformation

Dieselengineoperatingtemperatureshaveincreasedtoimproveengineefficiency.Thismeans propercoolingsystemmaintenanceisespeciallyimportant.Overheating,overcooling,pitting, cavitationerosion,crackedheads,pistonseizures,andpluggedradiatorsareclassiccoolingsystem failures.Infact,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,iftheengineoverheatsoriffoamingisobservedin theradiator.

Coolantshouldbedrained,thesystemcleanedandnewcoolantaddedevery3000servicehoursor twoyears.WhennotusingCaterpillarAntifreezeandsupplementalcoolantadditiveas recommended,thedrainperiodmustbeshortenedto1500servicehoursoroneyear.

Fillingatover20liters(5U.S.gallons)perminutecancauseairpocketsinthecoolingsystem.

Afterdrainingandrefillingthecoolingsystem,operatetheenginewiththeradiatorcapremoved untilthecoolantreachesnormaloperatingtemperatureandthecoolantlevelstabilizes.Add coolantasnecessarytofillthesystemtotheproperlevel.

Neveroperatewithoutathermostatinthecoolingsystem.Coolingsystemproblemscanarise withoutathermostat.

RefertoKnowYourCoolingSystem,SEBD0518,andCoolantandYourEngine,SEBD0970,for moredetailedspecifications.

CoolantWater

Hardwater,orwaterwithhighlevelsofcalciumandmagnesiumions,encouragestheformation ofinsolublechemicalcompoundsbycombiningwithcoolingsystemadditivessuchassilicates andphosphates.

Thetendencyofsilicatesandphosphatestoprecipitateout-of-solutionincreaseswithincreasing waterhardness.Hardwater,orwaterwithhighlevelsofcalciumandmagnesiumionsencourages theformationofinsolublechemicals,especiallyafteranumberofheatingandcoolingcycles.

Caterpillarpreferstheuseofdistilledwaterordeionizedwatertoreducethepotentialandseverity ofchemicalinsolubility.

Usingwaterthatmeetstheminimumacceptablewaterrequirementmaynotpreventdrop-outof thesechemicalcompoundstotally,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.CaterpillarAntifreezeis availablethroughyourCaterpillardealerinquantitiesthatfollow.

Mostcommercialantifreezesareformulatedforgasolineengineapplicationsandwill,therefore, havehighsilicatecontent.CaterpillarAntifreezeisformulatedwithalowsilicatecontentandthe propercoolantadditivesforheavydutydieselengines.

GMSpecification6038-Misalowsilicateantifreeze,butsupplementalcoolantadditivemustbe added.

ThemajoradvantagesofCaterpillarAntifreezeare:

*Significantlyreduceswaterpumpsealleakageproblemscausedbyexcessive concentrationofchemicaladditives.

*Thereisnoneedtoaddsupplementalcoolantadditiveoninitialfillwhichmustbedone withcurrentcommerciallyavailableantifreezes.

*Highsilicateantifreezesusedwithasupplementalcoolantadditivecancauseabuildupof solidsoveraperiodoftimewhichcancauseplugging,lossofheattransfer,andwaterpump sealdamage.

Makeproperantifreezeadditions.

Addingpureantifreezeasamakeupsolutionforcoolingsystemtop-upisanunacceptable practice.Itincreasestheconcentrationofantifreezeinthecoolingsystemwhichincreasesthe concentrationofdissolvedsolidsandundissolvedchemicalinhibitorsinthecoolingsystem.Add antifreezemixedwithwatertothesamefreezeprotectionasyourcoolingsystem.

UsethechartbelowtoassistindeterminingtheconcentrationofCaterpillarAntifreezetouse.

SupplementalCoolantAdditive

Supplementalcoolantadditiveisnecessarytopreventrust,scale,pittingand/orcorrosionof enginepartsthatcoolantcomesincontactwith.MostantifreezesolutionsDONOTcontain sufficientsupplementalcoolantadditive.

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%.

NOTICE

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

SupplementalcoolantadditiveisneededwhennotusingCaterpillar Antifreezeforpremixedcoolantsolution.

LiquidsupplementalcoolantadditivecanbepurchasedfromyourCaterpillardealer.Followthe instructionsonthecontainer.

NOTICE

DONOTaddsupplementalcoolantadditiveatinitialfillwhenusing CaterpillarAntifreeze.CaterpillarAntifreezecontainsthenecessary supplementalcoolantadditiveprecharge.Additionofsupplemental coolantadditivecouldresultinanoverconcentration.

OninitialfillofaneworreconditionedengineifCaterpillarAntifreezeisnotused,add1liter(1 quart)ofsupplementalcoolantadditive,orequivalent,foreach30liters(8U.S.gallons)sothat thecoolingsystemwillhavea3to6%concentrationofsupplementalcoolantadditive.

Tomaintaina3to6%concentrationofadditive,addliquidsupplementalcoolantadditiveor installamaintenancesupplementalcoolantadditiveelement(ifequipped),every250servicehours oroilchange,whicheveroccursfirst.Usethe8T5296TestKittocheckforconcentration.

Iftheengineisnotequippedwithspin-onelement,add.25liter(1/2pint)ofsupplementalcoolant additiveforeach38liters(10U.S.gallons)ofcoolantcapacitytomaintainthe3to6% concentrationofadditive.

CaterpillarCoolingSystemCleanersaredesignedtocleanthesystemofharmfulscaleand corrosion.Itdissolvesmineralscale,corrosionproducts,lightoilcontaminationandsludge.

Cleanthesystemaccordingtothemaintenanceintervalchart,orwheneverthecoolantisdirtyor foaming.

CoolingsystemcleanersareavailablefromyourCaterpillardealerinthequantitieslistedbelow. Followthelabeldirectionsforproperusage.

Copyright1993-2024CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

ThuApr2510:55:14UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

FuelSpecifications

FuelInformation

Useonlyfuelasrecommendedinthissection.

NOTICE

Fillthefueltankattheendofeachdayofoperationtodriveoutmoist airandtopreventcondensation.Maintainaconstantlevelnearthetop ofthedaytanktoavoiddrawingmoistureintothetankasthelevel decreases.

Donotfillthetanktothetop.Fuelexpandsasitgetswarmandcan overflow.

Donotfillthefuelfilterswithfuelbeforeinstallingthem. Contaminatedfuelwillcauseacceleratedweartothefuelsystemparts.

Drainthewaterandsedimentfromanyfuelstoragetankbeforeitisrefilled.Thiswillhelpprevent waterand/orsedimentfrombeingpumpedfromthefuelstoragetankintotheenginefueltank.

FuelTypes

CaterpillarDieselEngineshavetheabilitytoburnawidevarietyoffuels.Thesefuelsaredivided intotwogeneralgroups,preferredandpermissible.

ThePreferredFuelsprovidemaximumengineservicelifeandperformance.Theyaredistillate fuels.Theyarecommonlycalleddieselfuel,MDOdiesel,furnaceoil,gasoilorkerosene(forcold weatheroperation).

Experiencehasproventhatdistillatefuelsmeetingthefollowingbasicspecificationswillresultin optimumengineperformanceanddurability.

CaterpillarstronglyencouragestheuseoffuelsthatmeetthePreferredFuelsspecification.

Thepermissiblefuelsarecrudeoilsorblendedfuels.Useofthesefuelscanresultinhigher maintenancecostsandreducedengineservicelife.

Crudeoilisusedtodescribeoils/fuelsthatarenotrefinedandareintheoriginalstateaswhen pumpedfromtheground.CertaintypesofcrudeoilscanbeburnedinCaterpillarEngines.

RefertoDieselFuelsandYourEngineSEBD0717orSAEJ313DieselFuelSpecificationsfor informationaboutfuelproperties,suchasignitionquality,gravity/density,viscosity,cloudpoint, sulfurcontent,etc.

FuelSulfurContent

Thepercentageofsulfurinthefuelwillaffecttheengineoilrecommendations.Fuelsulfuris chemicallychangedduringcombustiontoformbothsulfurousandsulfuricacid.Theseacids chemicallyattackmetalsurfacesandcausecorrosivewear.

Certainadditivesusedinlubricatingoilscontainalkalinecompoundsthatareformulatedto neutralizetheseacids.Themeasureofthisreservealkalinityinalubricatingoilisknownasits TotalBaseNumber(TBN).TBNisessentialtoneutralizetheacidsfromcombustiongasesandto minimizecorrosivewear.

AnyAPIclassificationperformanceoilshouldhavesufficientTBNforfuelswithlessthan0.5% sulfur.Forfuelswith0.5%to1.5%sulfurbyweight,engineoilmusthaveaTBNof20timesthe percentageoffuelsulfurasmeasuredbytheASTM(AmericanSocietyofTestingMaterials)D2896method.(ASTMD-2896cannormallybefoundatyourlocaltechnologicalsociety,library orcollege.)

Caterpillarrecommendsinfraredanalysis(inconjunctionwithwearmetalanalysis)ofusedoilin determiningtheeffectivenessofoilTBNandacidneutralization.

Forfuelwithsulfurexceeding1.5%byweight,useanoilwithaTBNof30andreducetheoil changeintervalbyonehalf.Also,infraredanalysisandwearmetalanalysisshouldbeusedto establishoilchangeintervals.

Periodicallyrequestfuelsulfurcontentinformationfromyourfuelsupplier.Fuelsulfurcontent canchangewitheachbulkdelivery.

Formoreinformationonoil,fuelsulfurcontent,etc.,refertoOilandYourEngine,SEBD0640,or contactyourCaterpillardealer.

Copyright1993-2024CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.

ThuApr2510:55:30UTC+05302024

Product:EXCAVATOR

Model:235DEXCAVATOR8KJ

Configuration:235DEXCAVATOR8KJ00001-UP(MACHINE)POWEREDBY3306ENGINE

OperationandMaintenanceManual

235DEXCAVATOR

MediaNumber-SEBU6453-00PublicationDate-01/01/1992DateUpdated-11/10/2001

ScheduledOilSampling(S·O·S)

CaterpillarrecommendsusingScheduledOilSampling(S·O·S),atregularlyscheduledintervals, tocomplementagoodpreventivemaintenanceprogram.

TheCaterpillarScheduledOilSamplingProgram,(S·O·S),wasdevelopedtohelpCaterpillar usersrealizethehighestpossiblevaluefromtheirequipmentbyminimizingrepaircostsand maximizingavailability.TheS·O·Sprogramisaseriesofdiagnostictestswhichanalyzeused lubricatingoilsfromtheoilwettedcompartmentsoftheequipment.Byanalyzingtheusedoils, problemsmaybeidentifiedearly,beforeextensivecomponentfailureoccurs.Thisreducesrepair costanddown-time.

TheS·O·Sprogramiscoupledwithawiderangeofrepairoptionssothatwhenaproblemis identified,anappropriatematchedrepairplanisavailable.Thisofferstheuseramorecomplete servicetominimizerepaircostsandscheduledown-time.S·O·Scanalsomeasurethe effectivenessoftheuser'smaintenanceprogram.

ObtainS·O·SSample

ThereareseveralmethodsusedtoobtainS·O·Ssamples.

NOTE:Samplingmethodsrecommendedareinpreferenceorder.Ifoneofthefirsttwomethods isnotfeasible,thenusethedrain-streammethod.

*Useanin-linesamplingvalve.

*Useasamplingguninsertedintothesump.

*Usethedrainstreammethodwhenchangingoil.

Whenusingthedrain-streammethodtoobtainanoilsample,takethesampleaftersomeoilhas drainedoutandbeforethefinaldrainoil.Theoilatthebeginningorendofthedrainstreamisnot mixedwellenoughtoberepresentativeofcirculatingoilinthecompartmentandmaycarrydebris thatcangivefalseS·O·Sanalysisresults.

S·O·SAnalysis

S·O·Siscomposedofthreebasictests: *WearAnalysis

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

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