TroubleshootingandRepairManual M11SeriesEngines
(STC,CELECT™,CELECT™Plus Models) Copyright 1996 CumminsEngineCompany,Inc. Allrightsreserved BulletinNo.3666139–00 Printed2/96 Cummins Diessel Engine M11 Troubleshooting And Repair Manual Full download: http://manualplace.com/download/cummins-diessel-engine-m11-troubleshooting-and-repair-manual/ This is the cut pages sample. Download all 926 page(s) at: ManualPlace.com
Foreword
Thismanualprovidesinstructionsfortroubleshootingandrepairingthisengineinthechassis.Componentand assemblyrebuildproceduresareprovidedintheengineshopmanual.RefertoSectioni-Introductionforinstructions onhowtousethismanual.
Readandfollowallsafetyinstructions.RefertotheWARNINGintheGeneralSafetyInstructionsinSectioni -Introduction.
Themanualisorganizedtoguideaservicetechnicianthroughthelogicalstepsofidentifyingandcorrectingproblems relatedtotheengine.Thismanualdoesnotcovervehicleorequipmentproblems.Consultthevehicleorequipment manufacturerforrepairprocedures.
Aseriesofspecificservicemanuals(forexample:Shop,Specifications,andAlternativeRepair)areavailableandcan beorderedbyfillingoutandmailingtheLiteratureOrderFormlocatedinSectionL-ServiceLiterature.
TherepairproceduresusedinthismanualarerecommendedbyCumminsEngineCo.,Inc.Someserviceprocedures requiretheuseofspecialservicetools.Usethecorrecttoolsasdescribed.
CumminsEngineCompany,Inc.encouragestheuserofthismanualtoreporterrors,omissions,andrecommendations forimprovement.Pleaseusethepostagepaid,pre-addressedLiteratureSurveyForminthebackofthismanualfor communicatingyourcomments.
Thespecificationsandrebuildinformationinthismanualisbasedontheinformationineffectatthetimeofprinting. CumminsEngineCompany,Inc.reservestherighttomakeanychangesatanytimewithoutobligation.Ifdifferences arefoundbetweenyourengineandtheinformationinthismanual,contactaCumminsAuthorizedRepairLocation orcall1-800-DIESELS(1-800-343-7357).
ThelatesttechnologyandthehighestqualitycomponentsareusedtomanufactureCumminsengines.Whenreplacementpartsareneeded,werecommendusingonlygenuineCumminsorReCon exchangeparts.Theseparts canbeidentifiedbythefollowingtrademarks:
g-01(tr-frwd)
TableofContents Section Introduction ........................................................................................................................................i EngineIdentification ..........................................................................................................................E TroubleshootingSymptoms ...............................................................................................................TS CompleteEngine—Group00 ...........................................................................................................0 CylinderBlock—Group01 ................................................................................................................1 CylinderHead—Group02 ................................................................................................................2 RockerLevers—Group03 ................................................................................................................3 CamFollowers/Tappets—Group04 ..................................................................................................4 FuelSystem—Group05 ...................................................................................................................5 InjectorsandFuelLines—Group06 ................................................................................................6 LubricatingOilSystem—Group07 ...................................................................................................7 CoolingSystem—Group08 ..............................................................................................................8 DriveUnits—Group09 .....................................................................................................................9 AirIntakeSystem—Group10 ...........................................................................................................10 ExhaustSystem—Group11 .............................................................................................................11 CompressedAirSystem—Group12 ................................................................................................12 ElectricalEquipment—Group13 .....................................................................................................13 EngineTesting—Group14 ...............................................................................................................14 MountingAdaptations—Group16 ...................................................................................................16 MiscellaneousHardware—Group17 ................................................................................................17 VehicleBraking—Group20 ..............................................................................................................20 ServiceLiterature L ComponentManufacturers .................................................................................................................M Specifications ......V Index ....................X
THISPAGELEFTINTENTIONALLYBLANK.
Sectioni-Introduction SectionContents Page AboutthisManual .............i-1 AcronymsandAbbreviations ..........................................................................................................................i-10 GeneralCleaningInstructions ..........................................................................................................................i-9 GlassorPlasticBeadCleaning.....................................................................................................................i-9 SolventandAcidCleaning............................................................................................................................i-9 SteamCleaning............................................................................................................................................i-9 GeneralRepairInstructions..............................................................................................................................i-8 WeldingonaVehiclewithanElectronicControlledFuelSystem....................................................................i-8 GeneralSafetyInstructions ..............................................................................................................................i-7 ImportantSafetyNotice..................................................................................................................................i-7 HowtoUsetheManual ....i-1 Illustrations ........................i-6 Symbols .............................i-2 M11Series Sectioni-Introduction Pagei-a
AboutthisManual
ThisTroubleshootingandRepairManualisintendedtoaidindeterminingthecauseofenginerelatedproblemsand toproviderecommendedrepairprocedures.
ThematerialinthismanualcoversallM11Seriesengines.Themanualisdividedintosections.Eachsectionis equivalenttoagroupusedinCummins’filmcardsystem.Somesectionscontain reference numbersand procedure numbers. Reference numbersprovidegeneralinformation,specifications,diagrams,andservicetoolswhereapplicable. Procedure numbersareusedtoidentifyandreferencespecificrepairproceduresforcorrectingtheproblem.
Thismanualisdesignedsothetroubleshootingtreesareusedtolocatethecauseofanengineproblem.The troubleshootingtreesthendirecttheusertothecorrectrepairprocedure.Therepairprocedureswithinasectionare innumericalorder.However,therepairstepswithinagivenprocedureareorganizedintheordertherepair must be performedregardlessofthenumericalorderofthesteps.Theuser must usethecontentspagesortheindexatthe backofthemanualtolocatespecifictopicswhennotusingthetroubleshootingtrees.
ThismanualcoversallbaseenginerepairproceduresandsomefuelsystemrepairproceduresfortheSTCfuelsystem. Repairproceduresandfaultcodediagnosisfortheelectronicfuelsystems(CELECT™andCELECT™Plus)iscovered inTroubleshootingandRepairManual,BulletinNo.3666130.
HowtoUsetheManual
Thismanualisorganizedtoprovideaneasyflowfromproblemidentificationtoproblemcorrection.AlistoftroubleshootingsymptomscontainingthemostcommonengineproblemsisintheTroubleshootingSymptoms,Section(TS). ThemanualisdesignedtousetheTroubleshootingSymptomsasaguidetolocatingtheproblemanddirectingthe endusertothecorrectprocedureformakingtherepair.Completethefollowingstepstolocateandcorrecttheproblem.
(Step1)LocatethesymptomontheSectionContentspagesofSectionTS.
ReferencetothepagenumberwheretheTroubleshootingSymptomTreeisfoundismade totherightofthesymptomtreetitle.
(Step2)TheleftcolumnofboxesintheTroubleshootingSymptomChartsindicatesaprobable causeoftheproblem,startingatthetopwiththesimplestandeasiesttorepair,andcontinuingdownwardtothemostdifficult.
Therightcolumnofboxesprovidesabriefdescriptionofthecorrectiveactionwithareferencenumbertothecorrectprocedureusedtomaketherepair.
(Step3)Locatetheprobablecauseintheleftcolumnthenturntotheprocedurereferencedinthe rightcolumn.
(Step4)TheTroubleshootingSymptomChartsarebasedonthefollowingassumptions:
1.Theenginehasbeeninstalledaccordingtothemanufacturer’sspecifications.
2.Theeasiestrepairsaredonefirst.
3.‘‘Generic’’solutionstocoverproblemswiththemostcommonapplicationsandOriginalEquipmentManufacturer(OEM).
M11Series AboutthisManual Sectioni-Introduction Pagei-1
Symbols
Thefollowingsymbolshavebeenusedinthismanualtohelpcommunicatetheintentoftheinstructions.Whenone ofthesymbolsappears,itconveysthe meaningdefinedbelow:
Symbols M11Series Sectioni-Introduction Pagei-2 g-01(full-sym)
M11Series Symbols Sectioni-Introduction Pagei-3
Symbols M11Series Sectioni-Introduction Pagei-4
M11Series Symbols Sectioni-Introduction Pagei-5
Illustrations
Someoftheillustrationsthroughoutthismanualaregenericandwill not lookexactlyliketheengineorpartsused inyourapplication.Theillustrationscancontainsymbols toindicateanactionrequiredandanacceptableor not acceptablecondition.
Theillustrationsareintendedtoshowrepairorreplacementprocedures.Theprocedurewillbethesameforall applications,althoughtheillustrationcandiffer.
Illustrations M11Series Sectioni-Introduction Pagei-6 g-01(illus)
ImportantSafetyNotice
GeneralSafetyInstructions
WARNING
Improperpracticesorcarelessnesscancauseburns,cuts,mutilation,asphyxiationorotherbodilyinjuryor death.
Readandunderstandallofthesafetyprecautionsandwarningsbeforeperforminganyrepair.Thislistcontainsthe generalsafetyprecautionsthat must befollowedtoprovidepersonalsafety.Specialsafetyprecautionsareincluded intheprocedureswhentheyapply.
•Makesuretheworkareasurroundingtheproductisdry,welllit,ventilated,freefromclutter,loosetools,parts, ignitionsourcesandhazardoussubstances.Beawareofhazardousconditionsthatcanexist.
• Always wearprotectiveglassesandprotectiveshoeswhenworking.
•Rotatingpartscancausecuts,mutilationorstrangulation.
•Do not wearloose-fittingortornclothing.Removealljewelrywhenworking.
•Disconnectthebattery(negative[-]cablefirst)anddischargeanycapacitorsbeforebeginninganyrepairwork. Disconnecttheairstartingmotorifequippedtoprevent accidentalenginestarting.Puta‘‘Do Not Operate’’tag intheoperator’scompartmentoronthecontrols.
•UseONLYtheproperenginebarringtechniquesformanually rotatingtheengine.Do not attemptto rotatethe crankshaftbypullingorpryingonthefan.Thispracticecancauseseriouspersonalinjury,propertydamage, ordamagetothefanblade(s)causingprematurefanfailure.
•Ifanenginehasbeenoperatingandthecoolantishot,allowtheenginetocoolbeforeyouslowlyloosenthe fillercapandrelievethepressurefromthecoolingsystem.
•Do not workonanythingthatissupportedONLYbyliftingjacksorahoist. Always useblocksorproperstands tosupporttheproductbeforeperforminganyservicework.
•Relieveallpressureintheair,oil,fuelandthecoolingsystemsbeforeanylines,fittings,orrelateditemsare removedordisconnected.Bealertforpossiblepressurewhendisconnectinganydevicefromasystemthat utilizespressure.Do not checkforpressureleakswithyourhand.Highpressureoilorfuelcancausepersonal injury.
•Toprevent suffocationandfrostbite,wearprotectiveclothingandONLYdisconnectfuelandliquidrefrigerant (freon)linesinawellventilatedarea.Toprotecttheenvironment,liquidrefrigerantsystems must beproperly emptiedandfilledusingequipmentthatpreventsthereleaseofrefrigerantgas(fluorocarbons)intotheatmosphere.Federallawrequirescapturingandrecyclingrefrigerant.
•Toavoidpersonalinjury,useahoistorgetassistancewhenliftingcomponentsthatweigh23kg[50lb]ormore. Makesureallliftingdevicessuchaschains,hooks,orslingsareingoodconditionandareofthecorrectcapacity. Makesurehooksarepositionedcorrectly. Always useaspreaderbarwhennecessary.Theliftinghooks must not beside-loaded.
•Corrosioninhibitor,acomponentofSCAandlubricatingoil,containsalkali.Do not getthesubstanceinyour eyes.Avoidprolongedorrepeatedcontactwithskin.Do not swallowinternally.Incaseofcontact,immediately washskinwithsoapandwater.Incaseofcontact,immediatelyfloodeyeswithlargeamountsofwaterfora minimumof15minutes.IMMEDIATELYCALLAPHYSICIAN.KEEPOUTOFREACHOFCHILDREN.
•NapthaandMethylEthylKetone(MEK)areflammablematerialsand must beusedwithcaution.Followthe manufacturer’sinstructionstoprovidecompletesafetywhenusingthesematerials.KEEPOUTOFREACHOF CHILDREN.
•Toavoidburns,bealertforhotpartsonproductsthathavejustbeenturnedoff,andhotfluidsinlines,tubes, andcompartments.
• Always usetoolsthatareingoodcondition.Makesureyouunderstandhowtousethembeforeperformingany servicework.UseONLYgenuineCumminsorCumminsReCon replacementparts.
• Always usethesamefastenerpartnumber(orequivalent)whenreplacingfasteners.Do not useafastenerof lessorqualityifreplacementsarenecessary.
•Do not performanyrepairwhenfatiguedorafterconsumingalcoholordrugsthatcanimpairyourfunctioning.
•SomestateandfederalagenciesintheUnitedStatesofAmericahavedeterminedthatusedengineoilcanbe carcinogenicandcancausereproductivetoxicity.Avoidinhalationofvapors,ingestion,andprolongedcontact withusedengineoil.
M11Series GeneralSafetyInstructions Sectioni-Introduction Pagei-7 g-01(safety)
GeneralRepairInstructions
Thisengineincorporatesthelatestdieseltechnologyatthetimeitwasmanufactured;yet,itisdesignedtoberepaired usingnormalrepairpracticesperformedtoqualitystandards.
• CumminsEngineCompany,Inc.doesnotrecommendorauthorizeanymodificationsorrepairstoengines orcomponentsexceptforthosedetailedinCumminsServiceInformation.Inparticular,unauthorized repairtosafety-relatedcomponentscancausepersonalinjuryordeath.Belowisapartiallistingof componentsclassifiedassafety-related:
• Followallsafetyinstructionsnotedintheprocedures
—Followthemanufacturer’srecommendationsforcleaningsolventsandothersubstancesusedduringthe repairoftheengine.Somesolventsandusedengineoilhavebeenidentifiedbygovernmentagenciesas toxicorcarcinogenic.Avoidexcessivebreathing,injestionandcontactwithsuchsubstances. Always use goodsafetypracticeswithtoolsandequipment.
• Provideacleanenvironmentandfollowthecleaninginstructionsspecifiedintheprocedures
—Theengineanditscomponents must bekeptcleanduringanyrepair.Contaminationoftheengineor componentswillcauseprematurewear.
• Performtheinspectionsspecifiedintheprocedures
• Replaceallcomponentsorassemblieswhicharedamagedorwornbeyondthespecifications
• UsegenuineCumminsneworReCon servicepartsandassemblies
—Theassemblyinstructionshavebeenwrittentouseagainasmanycomponentsandassembliesaspossible. Whenitisnecessarytoreplaceacomponentorassembly,theprocedureisbasedontheuseofnew CumminsorCumminsReCon components.Alloftherepairservicesdescribedinthismanualareavailable fromallCumminsDistributorsandmostDealerlocations.
• Followthespecifieddisassemblyandassemblyprocedurestoavoiddamagetothecomponents
AirCompressor AirControls AirShutoffAssemblies BalanceWeights CoolingFan FanHubAssembly FanMountingBracket(s) FanMountingCapscrews FanHubSpindle Flywheel FlywheelCrankshaftAdapter FlywheelMountingCapscrews FuelShutoffAssemblies FuelSupplyTubes LiftingBrackets ThrottleControls TurbochargerCompressorCasing TurbochargerOilDrainLine(s) TurbochargerOilSupplyLine(s) TurbochargerTurbineCasing VibrationDamperMountingCapscrews
CompleterebuildinstructionsareavailableintheshopmanualwhichcanbeorderedorpurchasedfromaCummins AuthorizedRepairLocation.RefertoSectionL—ServiceLiteraturefororderinginstructions. WeldingonaVehiclewithanElectronicControlledFuelSystem CAUTION Disconnectboththepositive(+)andnegative(-)batterycablesfromthebatterybeforeweldingonthevehicle. Attachtheweldergroundcablenomorethan0.61meters[2feet]fromthepartbeingwelded.Donotconnect thegroundcableoftheweldertotheECMcoolingplateorECM.Weldingontheengineorenginemounted componentsisnotrecommended. GeneralRepairInstructions M11Series Sectioni-Introduction Pagei-8 g-01(repair-e)
GeneralCleaningInstructions
SolventandAcidCleaning
Severalsolventandacid-typecleanerscanbeusedtocleantheengineparts.Experiencehasshownthatthebest resultscanbeobtainedusingacleanerthatcanbeheatedto90to95degreesCelsius[180to200degreesFahrenheit]. Acleaningtankthatprovidesaconstantmixingandfilteringofthecleaningsolutionwillgivethebestresults. Cummins EngineCompany,Inc.doesnotrecommendanyspecificcleaners.Always followthecleanermanufacturer’s instructions.
Removeallthegasketmaterial,o-rings,andthedepositsofsludge,carbon,etc.,withawirebrushorscraperbefore puttingthepartsinacleaningtank.Becareful not todamageanygasketsurfaces.Whenpossible,steamcleanthe partsbeforeputtingtheminthecleaningtank.
WARNING
Acidisextremelydangerousandcandamagethemachinery.Alwaysprovideatankofstrongsodawaterasa neutralizingagent.
Rinseallofthepartsinhotwateraftercleaning.Drycompletelywithcompressedair.Blowtherinsewaterfromallof thecapscrewholesandtheoildrillings.
Ifthepartsare not tobeusedimmediatelyaftercleaning,diptheminasuitablerustproofingcompound.The rustproofingcompound must beremovedfromthepartsbeforeinstallationontheengine.
SteamCleaning
Steamcleaningcanbeusedtoremovealltypesofdirtthatcancontaminatethecleaningtank.Itisagoodwaytoclean theoildrillings.
WARNING
GlassorPlasticBeadCleaning
CAUTION
Donotuseglassorplasticbeadcleaningonaluminumpistonskirts.Donotuseglassbeadcleaningon aluminumringgrooves.Smallparticlesofglassorplasticwillembedinthealuminumandresultinpremature wear.Valves,turbochargershafts,etc.,canalsobedamaged.Followthecleaningdirectionslistedinthe procedures. NOTE: Plasticbeadblastingmedia,PartNo.3822735,canbeusedtocleanaluminumringgrooves.Do not useany beadblastingmediaonpinboresoraluminumskirts.
Followtheequipmentmanufacturer’scleaninginstructions.Thefollowingguidelinescanbeusedtoadapttomanufacturer’sinstructions:
1.Beadsize:-UseU.S.sizeNo.16-20forpistoncleaningwithplasticbeadmedia,PartNo.3822735. -UseU.S.sizeNo.70forpistondomeswithglassmedia. -UseU.S.sizeNo.60forgeneralpurposecleaningwithglassmedia.
2.OperatingPressure:-Glass:Use620kPa[90psi]forgeneralpurposecleaning.
-Plastic:Use270kPa[40psi]forpistoncleaning.
3.Steamcleanorwashthepartswithsolventtoremovealloftheforeignmaterialandglassorplasticbeadsafter cleaning.Rinsewithhotwater.Drywithcompressedair. 4.Do not contaminatethewashtankswithglassorplasticbeads.
1.ElectricalComponents 2.Wiring 3.Injectors 4.FuelPump 5.BeltsandHoses 6.Bearings 7.ElectronicControlModule(ECM) 8.ECMConnectors
Wearprotectiveclothingtopreventpersonalinjuryfromthehighpressureandextremeheat. Do not steamcleanthefollowingparts:
Glassorplasticbeadcleaningcanbeusedonmanyenginecomponentstoremovecarbondeposits.Thecleaning processiscontrolledbythesizeoftheglassorplasticbeads,theoperatingpressure,andthecleaningtime.
M11Series GeneralCleaningInstructions Sectioni-Introduction Pagei-9 g-01(clean-e)
AcronymsandAbbreviations
AFC AirFuelControl
API AmericanPetroleumInstitute
ASA AirSignalAttenuator
ASTM AmericanSocietyofTestingandMaterials
°C Celsius
CARB CaliforniaAirResourcesBoard
C.I.D. CubicInchDisplacement
CNG CompressedNaturalGas
CPL ControlPartsList
cSt Centistokes
ECM ElectronicControlModule
ECS EmissionControlSystem EPA EnvironmentalProtectionAgency EPS EnginePositionSensor
°F Fahrenheit
GVW GrossVehicleWeight Hg Mercury hp Horsepower H2O Water ICM IgnitionControlModule
km/l KilometersperLiter kPa Kilopascal LNG LiquidNaturalGas LTA LowTemperatureAftercooling MIP MixerInletPressure MPa Megapascal mph MilesPerHour mpq MilesPerQuart N•m Newton-meter NG NaturalGas OEM OriginalEquipmentManufacturer ppm PartsPerMillion psi PoundsPerSquareInch PTO PowerTakeoff rpm RevolutionsPerMinute SAE SocietyofAutomotiveEngineers SCA SupplementalCoolantAdditive STC StepTimingControl VS VariableSpeed VSS VehicleSpeedSensor
AcronymsandAbbreviations M11Series Sectioni-Introduction Pagei-10 g-01(abbrev)
Page EngineDiagrams ..............E-6 EngineIdentification ........E-1 CumminsEngineNomenclature...................................................................................................................E-2 ECMDataplate............................................................................................................................................E-1 EngineDataplate.........................................................................................................................................E-1 FuelPumpDataplate....................................................................................................................................E-1 Specifications ...................E-3 AirIntakeSystem.........................................................................................................................................E-5 Batteries(SpecificGravity)...........................................................................................................................E-5 CoolingSystem...........................................................................................................................................E-4 ElectricalSystem.........................................................................................................................................E-5 ExhaustSystem...........................................................................................................................................E-5 FuelSystem.................................................................................................................................................E-4 GeneralSpecifications.................................................................................................................................E-3 LubricatingOilSystem.................................................................................................................................E-4 M11Series SectionE-EngineIdentification PageE-a
SectionE-EngineIdentification SectionContents
EngineIdentification
EngineDataplate
Theenginedataplateshowsspecificinformationabout yourengine.Theengineserialnumberandcontrolparts list(CPL)provideinformationfororderingpartsandservice needs.Theenginedataplate mustnot bechangedunless approvedby CumminsEngineCompany,Inc.
Thedataplateislocatedonthefuelpumpsideofthe engine,ontherockerhousing.Havethefollowingengine dataavailablewhencommunicatingwithaCumminsAuthorizedRepairLocation.Theinformationonthedataplate is mandatory whensourcingserviceparts.
1.EngineSerialNumber(ESN)
2.ControlPartsList(CPL)
3.Model
4.Horsepowerandrpmrating
ECMDataplate
Therearetwodataplatesonthetopoftheelectroniccontrol module(ECM).
NOTE: TheECMreferencedhereisusedwiththeCELECT™ andCELECT™Plusfuelsystemsonly.
Thedataplateontheleftcontainsthepartnumber(P/N), serialnumber(S/N)andthedatecode(D/C)oftheECM.
Thedataplateontherightcontainstheengineserialnumber(ESN),fuelcode(FC)andenginecalibration information.
FuelPumpDataplate
NOTE: Thefuelpumpdataplatereferencedhereisthe styledataplateusedonaCumminsPT(pressure/time)fuel pump.ThisisthetypefuelpumpusedonaSTCfuel system.Itis not usedonfuelpumpswiththeCELECT™or CELECT™Plusfuelsystems.
Thefuelpumpdataplateislocatedonthetopofthefuel pump.Itprovidesinformationforfuelpumpcalibration.
M11Series EngineIdentification SectionE-EngineIdentification PageE-1
CumminsEngineNomenclature
Cumminsenginenomenclatureprovidesenginedataas illustratedinthegraphic.
Thisgraphicillustratesnomenclatureusedwithautomotive engines.
Thisgraphicillustratesnomenclatureusedwith off—highway(industrial)engines.
NOTE: Thefollowinglettersdesignatesomeofthedifferent marketapplicationsforaCumminsengine.
•A=Agriculture
•C=Construction
•G=Generator Drive
EngineIdentification M11Series SectionE-EngineIdentification PageE-2
Specifications GeneralSpecifications Horsepower(Refertoenginedataplate) Enginespeed@MaximumOutput: GovernedSpeed(rpm) Automotive(CELECT™andCELECT™Plus)..........................................................................................1800 Vocational(CELECT™andCELECT™Plus)............................................................................................2100 Industrial(STC).....................................................................................................................................2100 BoreandStroke.......................................................................................125mm[4.921in]x147mm[5.787in] Displacement......................................................................................................................10.8liters[661C.I.D.] FiringOrder.....................................................................................................................................1–5–3–6–2–4 EngineWeight(withstandardaccessories): CELECT™andCELECT™Plus DryWeight..........................................................................................................................940Kg[2070lb] WetWeight.........................................................................................................................996Kg[2193lb] STC DryWeight..........................................................................................................................929Kg[2045lb] WetWeight..........................................................................................................................981Kg[2160lb] CylinderLocationandFiringOrder Intake and Exhaust ValveLocations M11Series Specifications SectionE-EngineIdentification PageE-3
FuelSystem
Forperformanceandfuelratevalues,refertotheenginedatasheetorthefuelpumpcodefortheparticularmodel involved.
EngineIdleSpeed CELECT™.................................................................................................................................650to800rpm CELECT™Plus..........................................................................................................................600to800rpm FuelInletMaximumRestriction: CELECT™andCELECT™Plus CleanFuelFilter..........................................................................................................152mmHg[6inHg] DirtyFuelFilter..........................................................................................................254mmHg[10inHg] STC CleanFuelFilter..........................................................................................................102mmHg[4inHg] DirtyFuelFilter............................................................................................................204mmHg[8inHg] FuelDrainLineMaximumRestriction CELECT™andCELECT™Plus........................................................................................89mmHg[3.5inHg] STC WithoutCheckValves.................................................................................................63mmHg[2.5in Hg] WithCheckValves....................................................................................................165mmHg[6.5inHg] MinimumFuelPressure: DuringCranking......................................................................................................................172kPa[25psi] 1200rpm...............................................................................................................................827kPa[120psi] FuelInletMaximumTemperature.....................................................................................................71°C[160°F] EngineMinimumCrankingSpeed...........................................................................................................150rpm ShutoffValveSolenoidCoilResistance 12VDC....................................................................................................................................7.0to8.0ohms LubricatingOilSystem
StandardModulatingThermostat-Range..................................................................82°to93°C[180to200°F] CylinderBlockCoolantPressure(PressureCapRemoved): Minimum ClosedThermostat-1800RPM-NoLoad........................................................................138kPa[20psi] Maximum ClosedThermostat..............................................................................................................275kPa[40psi] MaximumAllowableOperatingCoolantTemperature......................................................................100°C[212°F] MinimumRecommendedOperatingCoolantTemperature................................................................71°C[160°F] MaximumAllowableDeaerationTime................................................................................................35minutes MinimumRecommendedPressureCap..........................................................................................48kPa[7psi] MaximumAllowableCoolantFlowtoAccessories—(Liters/Min.[GPM]).........................75.7Liters[20U.S.gal.] CoolantSensingFanControl: On...............................................................................................................................................96°C[205°F] Off...............................................................................................................................................91°C[195°F] Specifications M11Series SectionE-EngineIdentification PageE-4 Cummins Diessel Engine M11 Troubleshooting And Repair Manual
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OilPressure: LowIdle(MinimumAllowable)...................................................................................................70kPa[10psi] At1200rpmorTorquePeak(MinimumAllowable)..................................................................207kPa[30psi] OilCapacityofStandardEngine: CombinationFilter.......................................................................................................2.6liters[0.7U.S.gal.] OilPan(High-Low)...........................................................................................34-26.5liters[9-7U.S.gal.] CoolingSystem CoolantCapacity(EngineOnly) ChargeAirCooledEngines.........................................................................................9.5liters[2.5U.S.gal.] AftercooledEngines....................................................................................................12.9liters[3.4U.S.gal.]
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