SERVICE MANUAL 2050M Stage IIIB Crawler Dozer PIN NCDC25000 and above; PIN NDDC25000 and above; PIN NEDC20000 and above; PIN NFDC20000 and above Part number 47907872 2nd edition English October 2015 Replaces part number 47645619 © 2015 CNH Industrial America LLC. All Rights Reserved.
SERVICEMANUAL ,2050MExtraLongTrack(XLT),PowerAngleTilt(PAT)Blade[NFDC20000 2050MWideTrack(WT)/LowGroundPressure(LGP),Bulldozer(BD)Blade WideTrack(WT)/LowGroundPressure(LGP),PowerAngleTilt(PAT)Blade PowerAngleTilt(PAT)Blade[NFDC20000-] 4790787220/10/2015
PowerAngleTilt(PAT)Blade Europe F4HFE613J*A007
LinkProduct/Engine
Engine
Product MarketProduct
PowerAngleTilt(PAT)Blade [NDDC25000-] Europe F4HFE613J*A007 PowerAngleTilt(PAT)Blade [NEDC20000-] Europe F4HFE613J*A007 2050MLongTrack(LT),Power AngleTilt(PAT)Blade[NFDC20000 Europe F4HFE613J*A007 2050MLongTrack(LT),Bulldozer Europe F4HFE613J*A007 (BD)Blade[NDDC25000-] Europe F4HFE613J*A007 2050MLongTrack(LT),Bulldozer Europe F4HFE613J*A007 2050MLongTrack(LT),Bulldozer Europe F4HFE613J*A007
PowerAngleTilt(PAT)Blade [NCDC25000-] Europe F4HFE613J*A007 PowerAngleTilt(PAT)Blade [NDDC25000-] Europe F4HFE613J*A007 2050MExtraLongTrack(XLT), PowerAngleTilt(PAT)Blade Europe F4HFE613J*A007 2050MExtraLongTrack(XLT), PowerAngleTilt(PAT)Blade Europe F4HFE613J*A007 2050MWideTrack(WT)/ LowGroundPressure(LGP), PowerAngleTilt(PAT)Blade Europe F4HFE613J*A007 2050MWideTrack(WT)/ PowerAngleTilt(PAT)Blade [NDDC25000-] Europe F4HFE613J*A007 2050MWideTrack(WT)/ PowerAngleTilt(PAT)Blade [NEDC20000-] Europe F4HFE613J*A007 2050MWideTrack(WT)/ PowerAngleTilt(PAT)Blade Europe F4HFE613J*A007 4790787220/10/2015
F4HFE613J*A007
2050MExtendedLongTrack Europe
2050MExtendedLongTrack (XLT),Bulldozer(BD)Blade Europe
F4HFE613J*A007
F4HFE613J*A007
Europe
2050MExtendedLongTrack [NEDC20000-]
2050MExtendedLongTrack Europe
2050MWideTrack(WT)/Low GroundPressure(LGP),Bulldozer Europe
2050MWideTrack(WT)/Low GroundPressure(LGP),Bulldozer Europe
F4HFE613J*A007
F4HFE613J*A007
F4HFE613J*A007
2050MWideTrack(WT)/Low GroundPressure(LGP),Bulldozer Europe F4HFE613J*A007
2050MWideTrack(WT)/Low GroundPressure(LGP),Bulldozer Europe
F4HFE613J*A007
Product MarketProduct Engine
4790787220/10/2015
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Contents INTRODUCTION Engine.......................................................................................10 [10.001]Engineandcrankcase.............................................................10.1 [10.216]Fueltanks..........................................................................10.2 [10.206]Fuelfilters..........................................................................10.3 [10.202]Aircleanersandlines..............................................................10.4 [10.500]SelectiveCatalyticReduction(SCR)exhausttreatment...........................10.6 [10.400]Enginecoolingsystem.............................................................10.7 [10.414]Fananddrive......................................................................10.8 [10.310]Aftercooler..........................................................................10.9 Hydrostaticdrive.........................................................................29 [29.218]Pumpandmotorcomponents......................................................29.1 Brakesandcontrols....................................................................33 Hydraulicsystems.......................................................................35 [35.104]Fixeddisplacementpump..........................................................35.2 [35.106]Variabledisplacementpump.......................................................35.3 [35.105]Chargepump.......................................................................35.4 [35.359]Maincontrolvalve..................................................................35.5 [35.741]Dozerbladecylinders..............................................................35.6 [35.525]Auxiliaryhydraulicvalvesandlines................................................35.7 [35.752]Hydraulicfandrivecoolingsystem.................................................35.8 4790787220/10/2015
Tracksandtracksuspension........................................................48 [48.130]Trackframeanddrivingwheels....................................................48.1 [48.100]Tracks..............................................................................48.2 [48.134]Tracktensionunits.................................................................48.3 Cabclimatecontrol.....................................................................50 [50.200]Airconditioning.....................................................................50.3 Electricalsystems.......................................................................55 [55.100]Harnessesandconnectors.........................................................55.6 [55.202]Coldstartaid.......................................................................55.8 [55.301]Alternator...........................................................................55.9 [55.512]Cabcontrols......................................................................55.12 [55.988]SelectiveCatalyticReduction(SCR)electricalsystem..........................55.14 4790787220/10/2015
[86.110]Dozerblade........................................................................86.1 [86.124]Dozerpushbeamsandstruts......................................................86.2 Tools.........................................................................................89 [90.150]Cab.................................................................................90.1 [90.114]Operatorprotections...............................................................90.2 [90.124]Pneumatically-adjustedoperatorseat..............................................90.3 [90.100]Enginehoodandpanels...........................................................90.4 4790787220/10/2015
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INTRODUCTION
Contents INTRODUCTION Foreword-Importantnoticeregardingequipmentservicing(*)................................3 Safetyrules(*)..................................................................................4 Safetyrules-Personalsafety(*)...............................................................5 Safetyrules-Ecologyandtheenvironment(*)...............................................12 Safetyrules-Donotoperatetag(*)..........................................................13 Basicinstructions-Shopandassembly(*)...................................................14 Torque-Minimumtighteningtorquesfornormalassembly(*)...............................16 Torque-Standardtorquedataforhydraulics(*)..............................................19 Torque-Specialtorques(*)...................................................................21 Enginecoolingsystem-Basicinstructions(*)................................................23 Maintenancechart(*).........................................................................25 Basicinstructions-Movingadisabledmachine(*)...........................................27 Hydrauliccontamination(*)...................................................................36 Conversionfactors(*).........................................................................37 Consumables-Loctite®productchart(*)....................................................39 Enginelubricationsystem-Consumables(*)................................................45 Capacities(*).................................................................................46 Productidentification(*)......................................................................49 Productidentification-Machineorientation(*)...............................................51 4790787220/10/2015 2
INTRODUCTION Foreword-Importantnoticeregardingequipmentservicing 2050M strictlycomplyingwiththeinstructionsgiven,andusing,wheneverpossible,thespecialtools. Anyonewhoperformsrepairandmaintenanceoperationswithoutcomplyingwiththeproceduresprovidedherein shallberesponsibleforanysubsequentdamages. localdealers,rejectanyresponsibilityfordamagescausedbypartsand/orcomponentsnotapprovedbythemanuofdamagescausedbypartsand/orcomponentsnotapprovedbythemanufacturer. Themanufacturerreservestherighttomakeimprovementsindesignandchangesinspecificationsatanytimewithout noticeandwithoutincurringanyobligationtoinstallthemonunitspreviouslysold.Specifications,descriptions,and Incaseofquestions,refertoyourCASECONSTRUCTIONSalesandServiceNetworks. 4790787220/10/2015 3
Personalsafety
INTRODUCTION Safetyrules 2050M
safetymessagesthatfollowthissymboltoavoidpossibledeathorinjury. FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIONMESSAGESCOULDRESULT INDEATHORSERIOUSINJURY. Machinesafety NOTICE: ThroughoutthismanualyouwillfindthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor Information NOTE: Noteindicatesadditionalinformationthatclarifiessteps,procedures,orotherinformationinthismanual. otherinformationinthemanual.ThewordNoteisnotintendedtoaddresspersonalsafetyorpropertydamage. 4790787220/10/2015 4
INTRODUCTION Safetyrules-Personalsafety 2050M Generalsafetyrules surfaces. Whendiggingorusingground-engagingattachments,beawareofburiedcables.Contactlocalutilitiestodetermine thelocationsofservices. forsafety. • DONOTuseyourhandtocheckforleaks.Useapieceofcardboardorpaper. • • • • DONOTattempttoremovematerialfromanypartofthemachinewhileitisbeingoperatedorwhilecomponentsare Dirtyorslipperysteps,ladders,walkways,andplatformscancausefalls.Makesurethesesurfacesremaincleanand Apersonorpetwithintheoperatingareaofamachinecanbestruckorcrushedbythemachineoritsequipment.DO Raisedequipmentand/orloadscanfallunexpectedlyandcrushpersonsunderneath.Neverallowanyonetoenter Starttheengineonlyfromtheoperator’sseat.Ifyoubypassthesafetystartswitch,theenginecanstartwiththe 4790787220/10/2015 5
INTRODUCTION Operatecontrolsonlywhenseatedintheoperator’sseat,exceptforthosecontrolsexpresslyintendedforusefrom Beforeyouleavethemachine: operator’sstation,thenyoumustfollowtheseprecautions: WARNING Somecomponentsmaycontinuetorundownafterdisengagingdrivesystems. Failuretocomplycouldresultindeathorseriousinjury. W0113A Generalmaintenancesafety Donotattempttoclean,lubricate,clearobstructions,ormakeadjustmentstothemachinewhileitisinmotionorwhile Alwaysmakesurethatworkingareaisclearoftools,parts,otherpersonsandpetsbeforeyoustartoperatingthe protectiveequipmentwhenappropriate. 4790787220/10/2015 6
INTRODUCTION Fireandexplosionprevention Makesurethatthefireextinguisher(s)ismaintainedandservicedaccordingtothemanufacturer’sinstructions. Atleastonceeachdayandattheendoftheday,removealltrashanddebrisfromthemachineespeciallyaroundhot environmentandconditions. Donotweldorflamecutanyitemsthatcontainflammablematerial.Cleanitemsthoroughlywithnon-flammable Generalbatterysafety Disconnectthenegative(-)terminalfirstandreconnectthenegative(-)terminallast. Donotweld,grind,orsmokenearabattery. ator’smanual.Donotshortacrossterminals. Followthemanufacturer’sinstructionswhenyoustoreandhandlebatteries. Batterypost,terminals,andrelatedaccessoriescontainleadandleadcompounds.Washhandsafterhandling.This Antidote(internal):Drinklargequantitiesofwaterormilk.Donotinducevomiting.Seekmedicalattentionimmedi4790787220/10/2015 7
INTRODUCTION Operatorpresencesystem
Seatbeltinspectionandmaintenance:
• • • • • Checkthatboltsaretightontheseatbracketormounting.
Donotusebleachordyeonthebeltsbecausethiscanmakethebeltsweak.
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Yourmachineisequippedwithanoperatorpresencesystemtopreventtheuseofsomefeatureswhiletheoperator isnotintheoperator’sseat. Seatbelts
•
• • Keepseatbeltscleananddry. • •
themetalbeltendintotheleft-handbuckle. RCIL10CWL037AAL 1 RCIL10CWL083FAL 2
INTRODUCTION Operatorprotectivestructure four-postedstructureusedfortheprotectionoftheoperatortominimizethepossibilityofseriousinjury.Themounting structureandfastenersformingthemountingconnectionwiththemachinearepartoftheROPS. Theprotectivestructureandinterconnectingcomponentsareacertifiedsystem.Anydamage,fire,corrosion,or • • Themountingorsuspensionfortheprotectivestructure,operator’sseatandsuspension,seatbeltsandmounting components,andwiringwithintheoperator’sprotectivesystemMUSTbecarefullyinspectedfordamage. • AlldamagedpartsMUSTBEREPLACED. DONOTWELD,DRILLHOLES,ATTEMPTTOSTRAIGHTEN,ORREPAIRTHEPROTECTIVESTRUCTURE.MODIFICATIONINANYWAYCANREDUCETHESTRUCTURALINTEGRITYOFTHESTRUCTURE,WHICHCOULD Air-conditioningsystem Theair-conditioningsystemisunderhighpressure.Donotdisconnectanylines.Thereleaseofhighpressurecan causeseriousinjury. Theair-conditioningsystemcontainsgasesthatareharmfultotheenvironmentwhenreleasedintotheatmosphere. Donotattempttoserviceorrepairthesystem. Backupalarmsystem PersonalProtectiveEquipment(PPE) DoNotOperatetag Beforeyoustartservicingthemachine,attacha‘DoNotOperate’warningtagtothemachineinanareathatwillbe visible. 4790787220/10/2015 9
INTRODUCTION Hazardouschemicals MSDSareavailablefromyourdealer. indicatestheassociatedrisksandwillhelpyouservicethemachinesafely.FollowtheinformationintheMSDS,and Utilitysafety Whendiggingorusingground-engagingequipment,beawareofburiedcablesandotherservices.Contactyourlocal utilitiesorauthorities,asappropriate,todeterminethelocationsofservices. linesandhangingobstacles.Highvoltagelinesmayrequiresignificantclearanceforsafety.Contactlocalauthorities Retractraisedorextendedcomponents,ifnecessary.Removeorlowerradioantennasorotheraccessories.Should • • • • Donotpermitanyonetotouchthemachineuntilpowerhasbeenshutofftothepowerlines. Electricalstormsafety Donotoperatemachineduringanelectricalstorm. Ifanelectricalstormshouldstrikeduringoperation,remaininthecab.Donotleavethecaboroperator’splatform. Mountinganddismounting 4790787220/10/2015
INTRODUCTION
ator’splatform.
Correctlyuseinstalledsteps,ladders,andrailings.
• Donotstandonsurfacesthatarenotdesignatedasstepsorplatforms.
Donotuseraisedequipmentasaworkplatform. Knowthefullareaofmovementofthemachineandequipmentanddonotenterorpermitanyonetoenterthearea ofmovementwhilethemachineisinoperation. 4790787220/10/2015 11
Workingatheights Whenthenormaluseandmaintenanceofthemachinerequiresyoutoworkatheights: •
•
Liftingandoverheadloads
INTRODUCTION Safetyrules-Ecologyandtheenvironment 2050M Helpfulhints • Avoidtheuseofcansorotherinappropriatepressurizedfueldeliverysystemstofilltanks.Suchdeliverysystems • • • • • Theair-conditioningsystemcontainsgasesthatshouldnotbereleasedintotheatmosphere.Consultanair-condi• • • coolant,etc. Batteryrecycling Batteriesandelectricaccumulatorscontainseveralsubstancesthatcanhaveaharmful CONSTRUCTIONstronglyrecommendsthatyoureturnallusedbatteriestoaCASE CONSTRUCTIONdealer,whowilldisposeoftheusedbatteriesorrecycletheused Mandatorybatteryrecycling NOTE: ThefollowingrequirementsaremandatoryinBrazil. CONAMAResolution401/2008requiresyoutoreturnallusedbatteriestothebatterydealerwhenyoureplaceany Pointsofsaleareobligedto: • Acceptthereturnofyourusedbatteries • Storethereturnedbatteriesinasuitablelocation • Sendthereturnedbatteriestothebatterymanufacturerforrecycling 4790787220/10/2015
INTRODUCTION Safetyrules-Donotoperatetag 2050M WARNING Maintenancehazard! Beforeyoustartservicingthemachine,attachaDONOTOPERATEwarningtagtothemachineina visiblearea. W0004A AttachaDONOTOPERATE(TAG)tothemachineinanareathatisclearlyvisiblewheneverthemachineisnot Completethetaginformationforthe"REASON"thetagisattachedbydescribingthemalfunctionorservicerequired. havebeencompleted. (A) (D) (E) (B) (F) (C) 87358697 1 TagComponents C.CNHPartNumber-(RequestthispartnumberfromyouServicePartsDealertoobtainthisDONOTOPERATE D.DONOTOPERATE-(Warning!) F.Signedby-(Signaturearea-tobesignedbythepersonvalidatingthereasonforinstallationofthetag.) 4790787220/10/2015
INTRODUCTION Basicinstructions-Shopandassembly 2050M Shimming Foreachadjustmentoperation,selectadjustingshimsandmeasuretheadjustingshimsindividuallyusingamicromRotatingshaftseals 3.Positionthesealinglipfacingthefluid. NOTE: 4.Coatthesealinglipwithathinlayeroflubricant(useoilratherthangrease).Fillthegapbetweenthesealinglip O-ringseals LubricatetheO-ringsealsbeforeyouinsertthemintheseats.ThiswillpreventtheO-ringsealsfromoverturningand twisting,whichwouldjeopardizesealingefficiency. Sealingcompounds Applyasealingcompoundonthematingsurfaceswhenspecifiedbytheprocedure.Beforeyouapplythesealing Spareparts Onlygenuinesparepartsguaranteethesamequality,duration,andsafetyasoriginalparts,astheyarethesame • Machinemodel(commercialname)andProductIdentificationNumber(PIN) • 4790787220/10/2015