Case 2050M Tier 4A interim User manual

Part number 47907871
2nd edition English
October 2015
Replaces part number 47645618
SERVICE MANUAL
2050M
Tier 4A (interim)
Crawler Dozer
PIN NCDC25000 and above; PIN NDDC25000 and above
PIN NEDC20000 and above; PIN NFDC20000 and above
Printedin U.S.A.
© 2015 CNH Industrial America LLC. All Rights Reserved.
Case is a trademark registered in the United States and many
other countries, owned by or licensed to CNH Industrial N.V.,
its subsidiaries or affiliates.

LinkProduct/Engine
ProductMarketProductEngine
2050MLongTrack(LT),
PowerAngleTilt(PAT)Blade
[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),
PowerAngleTilt(PAT)Blade
[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),
PowerAngleTilt(PAT)Blade
[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),Power
AngleTilt(PAT)Blade[NFDC20000
-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),Bulldozer
(BD)Blade[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),Bulldozer
(BD)Blade[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),Bulldozer
(BD)Blade[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MLongTrack(LT),Bulldozer
(BD)Blade[NFDC20000-]
NorthAmericaF4HFE613J*A007
2050MExtraLongTrack(XLT),
PowerAngleTilt(PAT)Blade
[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MExtraLongTrack(XLT),
PowerAngleTilt(PAT)Blade
[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MExtraLongTrack(XLT),
PowerAngleTilt(PAT)Blade
[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MExtraLongTrack(XLT),
PowerAngleTilt(PAT)Blade
[NFDC20000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/
LowGroundPressure(LGP),
PowerAngleTilt(PAT)Blade
[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/
LowGroundPressure(LGP),
PowerAngleTilt(PAT)Blade
[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/
LowGroundPressure(LGP),
PowerAngleTilt(PAT)Blade
[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/
LowGroundPressure(LGP),
PowerAngleTilt(PAT)Blade
[NFDC20000-]
NorthAmericaF4HFE613J*A007
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ProductMarketProductEngine
2050MExtendedLongTrack
(XLT),Bulldozer(BD)Blade
[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MExtendedLongTrack
(XLT),Bulldozer(BD)Blade
[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MExtendedLongTrack
(XLT),Bulldozer(BD)Blade
[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MExtendedLongTrack
(XLT),Bulldozer(BD)Blade
[NFDC20000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/Low
GroundPressure(LGP),Bulldozer
(BD)Blade[NCDC25000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/Low
GroundPressure(LGP),Bulldozer
(BD)Blade[NDDC25000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/Low
GroundPressure(LGP),Bulldozer
(BD)Blade[NEDC20000-]
NorthAmericaF4HFE613J*A007
2050MWideTrack(WT)/Low
GroundPressure(LGP),Bulldozer
(BD)Blade[NFDC20000-]
NorthAmericaF4HFE613J*A007
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Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.216]Fueltanks..........................................................................10.2
[10.206]Fuellters..........................................................................10.3
[10.202]Aircleanersandlines..............................................................10.4
[10.250]Turbochargerandlines.............................................................10.5
[10.500]SelectiveCatalyticReduction(SCR)exhausttreatment...........................10.6
[10.400]Enginecoolingsystem.............................................................10.7
[10.414]Fananddrive......................................................................10.8
[10.310]Aftercooler..........................................................................10.9
[10.304]Enginelubricationsystem........................................................10.10
Hydrostaticdrive.........................................................................29
[29.218]Pumpandmotorcomponents......................................................29.1
Brakesandcontrols....................................................................33
[33.110]Parkingbrakeorparkinglock......................................................33.1
[33.202]Hydraulicservicebrakes...........................................................33.2
Hydraulicsystems.......................................................................35
[35.300]Reservoir,cooler,andlters........................................................35.1
[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
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[35.000]Hydraulicsystems..................................................................35.9
Framesandballasting.................................................................39
[39.100]Frame..............................................................................39.1
Tracksandtracksuspension........................................................48
[48.130]Trackframeanddrivingwheels....................................................48.1
[48.100]Tracks..............................................................................48.2
[48.134]Tracktensionunits.................................................................48.3
[48.138]Trackrollers........................................................................48.4
[48.140]Dropboxandnaldrive............................................................48.5
Cabclimatecontrol.....................................................................50
[50.100]Heating.............................................................................50.1
[50.104]Ventilation..........................................................................50.2
[50.200]Airconditioning.....................................................................50.3
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
[55.011]Fueltanksystem...................................................................55.2
[55.015]Enginecontrolsystem..............................................................55.3
[55.030]Servicebrakeelectricalsystem....................................................55.4
[55.050]Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem.................55.5
[55.100]Harnessesandconnectors.........................................................55.6
[55.201]Enginestartingsystem.............................................................55.7
[55.202]Coldstartaid.......................................................................55.8
[55.301]Alternator...........................................................................55.9
[55.302]Battery............................................................................55.10
[55.408]Warningindicators,alarms,andinstruments....................................55.11
[55.512]Cabcontrols......................................................................55.12
[55.518]Wiperandwashersystem........................................................55.13
[55.988]SelectiveCatalyticReduction(SCR)electricalsystem..........................55.14
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[55.DTC]FAULTCODES..................................................................55.15
Dozerbladeandarm...................................................................86
[86.110]Dozerblade........................................................................86.1
[86.124]Dozerpushbeamsandstruts......................................................86.2
Tools.........................................................................................89
[89.128]Ripperassembly...................................................................89.1
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.114]Operatorprotections...............................................................90.2
[90.124]Pneumatically-adjustedoperatorseat..............................................90.3
[90.100]Enginehoodandpanels...........................................................90.4
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INTRODUCTION
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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
Productidentication(*)......................................................................49
Productidentication-Machineorientation(*)...............................................51
(*)Seecontentforspecicmodels
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INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing
2050MNA
Allrepairandmaintenanceworklistedinthismanualmustbecarriedoutonlybyqualieddealershippersonnel,
strictlycomplyingwiththeinstructionsgiven,andusing,wheneverpossible,thespecialtools.
Anyonewhoperformsrepairandmaintenanceoperationswithoutcomplyingwiththeproceduresprovidedherein
shallberesponsibleforanysubsequentdamages.
Themanufacturerandalltheorganizationsofitsdistributionchain,including-withoutlimitation-national,regional,or
localdealers,rejectanyresponsibilityfordamagescausedbypartsand/orcomponentsnotapprovedbythemanu-
facturer,includingthoseusedfortheservicingorrepairoftheproductmanufacturedormarketedbythemanufacturer.
Inanycase,nowarrantyisgivenorattributedontheproductmanufacturedormarketedbythemanufacturerincase
ofdamagescausedbypartsand/orcomponentsnotapprovedbythemanufacturer.
Themanufacturerreservestherighttomakeimprovementsindesignandchangesinspecicationsatanytimewithout
noticeandwithoutincurringanyobligationtoinstallthemonunitspreviouslysold.Specications,descriptions,and
illustrativematerialhereinareasaccurateasknownattimeofpublicationbutaresubjecttochangewithoutnotice.
Incaseofquestions,refertoyourCASECONSTRUCTIONSalesandServiceNetworks.
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INTRODUCTION
Safetyrules
2050MNA
Personalsafety
Thisisthesafetyalertsymbol.Itisusedtoalertyoutopotentialpersonalinjuryhazards.Obeyall
safetymessagesthatfollowthissymboltoavoidpossibledeathorinjury.
ThroughoutthismanualyouwillndthesignalwordsDANGER,WARNING,andCAUTIONfollowedbyspecialin-
structions.Theseprecautionsareintendedforthepersonalsafetyofyouandthoseworkingwithyou.
Readandunderstandallthesafetymessagesinthismanualbeforeyouoperateorservicethemachine.
DANGERindicatesahazardoussituationthat,ifnotavoided,willresultindeathorseriousinjury.
WARNINGindicatesahazardoussituationthat,ifnotavoided,couldresultindeathorseriousinjury.
CAUTIONindicatesahazardoussituationthat,ifnotavoided,couldresultinminorormoderateinjury.
FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIONMESSAGESCOULDRESULT
INDEATHORSERIOUSINJURY .
Machinesafety
NOTICE:Noticeindicatesasituationthat,ifnotavoided,couldresultinmachineorpropertydamage.
ThroughoutthismanualyouwillndthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor
propertydamage.ThewordNoticeisusedtoaddresspracticesnotrelatedtopersonalsafety.
Information
NOTE:Noteindicatesadditionalinformationthatclariessteps,procedures,orotherinformationinthismanual.
ThroughoutthismanualyouwillndthewordNotefollowedbyadditionalinformationaboutastep,procedure,or
otherinformationinthemanual.ThewordNoteisnotintendedtoaddresspersonalsafetyorpropertydamage.
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INTRODUCTION
Safetyrules-Personalsafety
2050MNA
Generalsafetyrules
Usecautionwhenyouoperatethemachineonslopes.Raisedequipment,fulltanksandotherloadswillchangethe
centerofgravityofthemachine.Themachinecantiporrolloverwhennearditchesandembankmentsoruneven
surfaces.
Neverpermitanyoneotherthantheoperatortorideonthemachine.
Neveroperatethemachineundertheinuenceofalcoholordrugs,orwhileyouareotherwiseimpaired.
Whendiggingorusingground-engagingattachments,beawareofburiedcables.Contactlocalutilitiestodetermine
thelocationsofservices.
Payattentiontooverheadpowerlinesandhangingobstacles.Highvoltagelinesmayrequiresignicantclearance
forsafety.
Hydraulicoilordieselfuelleakingunderpressurecanpenetratetheskin,causingseriousinjuryorinfection.
•DONOTuseyourhandtocheckforleaks.Useapieceofcardboardorpaper.
•Stoptheengine,removethekey,andrelievethepressurebeforeyouconnectordisconnectuidlines.
•Makesurethatallcomponentsareingoodcondition.Tightenallconnectionsbeforeyoustarttheengineorpres-
surizethesystem.
•Ifhydraulicuidordieselfuelpenetratestheskin,seekmedicalattentionimmediately.
•Continuouslongtermcontactwithhydraulicuidmaycauseskincancer.Avoidlongtermcontactandwashthe
skinpromptlywithsoapandwater.
Keepclearofmovingparts.Looseclothing,jewelry,watches,longhair,andotherlooseorhangingitemscanbecome
entangledinmovingparts.
Wearprotectiveequipmentwhenappropriate.
DONOTattempttoremovematerialfromanypartofthemachinewhileitisbeingoperatedorwhilecomponentsare
inmotion.
Makesurethatallguardsandshieldsareingoodconditionandproperlyinstalledbeforeyouoperatethemachine.
Neveroperatethemachinewithshieldsremoved.Alwayscloseaccessdoorsorpanelsbeforeyouoperatethema-
chine.
Dirtyorslipperysteps,ladders,walkways,andplatformscancausefalls.Makesurethesesurfacesremaincleanand
clearofdebris.
Apersonorpetwithintheoperatingareaofamachinecanbestruckorcrushedbythemachineoritsequipment.DO
NOTallowanyonetoentertheworkarea.
Raisedequipmentand/orloadscanfallunexpectedlyandcrushpersonsunderneath.Neverallowanyonetoenter
theareaunderneathraisedequipmentduringoperation.
Neveroperatetheengineinenclosedspacesasharmfulexhaustgasesmaybuildup.
Beforeyoustartthemachine,besurethatallcontrolsareinneutralorparklockposition.
Starttheengineonlyfromtheoperator’sseat.Ifyoubypassthesafetystartswitch,theenginecanstartwiththe
transmissioningear.Donotconnectorshortacrossterminalsonthestartersolenoid.Attachjumpercablesas
describedinthemanual.Startingingearmaycausedeathorseriousinjury.
Alwayskeepwindows,mirrors,andalllightingcleantoprovidethebestpossiblevisibilitywhileyouoperatethema-
chine.
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INTRODUCTION
Operatecontrolsonlywhenseatedintheoperator’sseat,exceptforthosecontrolsexpresslyintendedforusefrom
otherlocations.
Beforeyouleavethemachine:
1.Parkthemachineonarm,levelsurface.
2.Putallcontrolsinneutralorparklockposition.
3.Engagetheparkingbrake.Usewheelchocksifrequired.
4.Lowerallhydraulicequipment—Implements,header,etc.
5.Turnofftheengineandremovethekey.
When,duetoexceptionalcircumstances,youwoulddecidetokeeptheenginerunningafteryouleavethe
operator’sstation,thenyoumustfollowtheseprecautions:
1.Bringtheenginetolowidlespeed.
2.Disengagealldrivesystems.
3.WARNING
Somecomponentsmaycontinuetorundownafterdisengagingdrivesystems.
Makesurealldrivesystemsarefullydisengaged.
Failuretocomplycouldresultindeathorseriousinjury.W0113A
Shiftthetransmissionintoneutral.
4.Applytheparkingbrake.
Generalmaintenancesafety
Keeptheareausedforservicingthemachinecleananddry.Cleanupspilleduids.
Servicethemachineonarm,levelsurface.
Installguardsandshieldsafteryouservicethemachine.
Closeallaccessdoorsandinstallallpanelsafterservicingthemachine.
Donotattempttoclean,lubricate,clearobstructions,ormakeadjustmentstothemachinewhileitisinmotionorwhile
theengineisrunning.
Alwaysmakesurethatworkingareaisclearoftools,parts,otherpersonsandpetsbeforeyoustartoperatingthe
machine.
Unsupportedhydrauliccylinderscanlosepressureanddroptheequipment,causingacrushinghazard.Donotleave
equipmentinaraisedpositionwhileparkedorduringservice,unlesstheequipmentissecurelysupported.
Jackorliftthemachineonlyatjackorliftpointsindicatedinthismanual.
Incorrecttowingprocedurescancauseaccidents.Whenyoutowadisabledmachinefollowtheprocedureinthis
manual.Useonlyrigidtowbars.
Stoptheengine,removethekey,andrelievepressurebeforeyouconnectordisconnectuidlines.
Stoptheengineandremovethekeybeforeyouconnectordisconnectelectricalconnections.
Scaldingcanresultfromincorrectremovalofcoolantcaps.Coolingsystemsoperateunderpressure.Hotcoolantcan
sprayoutifyouremoveacapwhilethesystemishot.Allowthesystemtocoolbeforeyouremovethecap.When
youremovethecap,turnitslowlytoallowpressuretoescapebeforeyoucompletelyremovethecap.
Replacedamagedorworntubes,hoses,electricalwiring,etc.
Theengine,transmission,exhaustcomponents,andhydrauliclinesmaybecomehotduringoperation.T akecare
whenyouservicesuchcomponents.Allowsurfacestocoolbeforeyouhandleordisconnecthotcomponents.Wear
protectiveequipmentwhenappropriate.
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INTRODUCTION
Whenwelding,followtheinstructionsinthemanual.Alwaysdisconnectthebatterybeforeyouweldonthemachine.
Alwayswashyourhandsafteryouhandlebatterycomponents.
Fireandexplosionprevention
Fueloroilthatisleakedorspilledonhotsurfacesorelectricalcomponentscancauseare.
Cropmaterials,trash,debris,birdnests,orammablematerialcanigniteonhotsurfaces.
Alwayshaveareextinguisheronornearthemachine.
Makesurethatthereextinguisher(s)ismaintainedandservicedaccordingtothemanufacturer’sinstructions.
Atleastonceeachdayandattheendoftheday,removealltrashanddebrisfromthemachineespeciallyaroundhot
componentssuchastheengine,transmission,exhaust,battery,etc.Morefrequentcleaningofyourmachinemaybe
necessarydependingontheoperatingenvironmentandconditions.
Atleastonceeachday,removedebrisaccumulationaroundmovingcomponentssuchasbearings,pulleys,belts,
gears,cleaningfans,etc.Morefrequentcleaningofyourmachinemaybenecessarydependingontheoperating
environmentandconditions.
Inspecttheelectricalsystemforlooseconnectionsandfrayedinsulation.Repairorreplacelooseordamagedparts.
Donotstoreoilyragsorotherammablematerialonthemachine.
Donotweldoramecutanyitemsthatcontainammablematerial.Cleanitemsthoroughlywithnon-ammable
solventsbeforeweldingorame-cutting.
Donotexposethemachinetoames,burningbrush,orexplosives.
Promptlyinvestigateanyunusualsmellsorodorsthatmayoccurduringoperationofthemachine.
Generalbatterysafety
Alwaysweareyeprotectionwhenyouworkwithbatteries.
Donotcreatesparksorhaveopenamenearabattery.
Ventilatetheareawhenyouchargeabatteryoruseabatteryinanenclosedarea.
Disconnectthenegative(-)terminalrstandreconnectthenegative(-)terminallast.
Whenyouweldonthemachine,disconnectbothterminalsofthebattery.
Donotweld,grind,orsmokenearabattery.
Whenyouuseauxiliarybatteriesorconnectjumpercablestostarttheengine,usetheprocedureshownintheoper-
ator’smanual.Donotshortacrossterminals.
Followthemanufacturer’sinstructionswhenyoustoreandhandlebatteries.
Batterypost,terminals,andrelatedaccessoriescontainleadandleadcompounds.Washhandsafterhandling.This
isaCaliforniaProposition65warning.
Batteryacidcausesburns.Batteriescontainsulfuricacid.Avoidcontactwithskin,eyes,orclothing.Antidote(ex-
ternal):Flushwithwater.Antidote(eyes):ushwithwaterfor15minutesandseekmedicalattentionimmediately.
Antidote(internal):Drinklargequantitiesofwaterormilk.Donotinducevomiting.Seekmedicalattentionimmedi-
ately.
Keepoutofreachofchildrenandotherunauthorizedpersons.
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INTRODUCTION
Operatorpresencesystem
Yourmachineisequippedwithanoperatorpresencesystemtopreventtheuseofsomefeatureswhiletheoperator
isnotintheoperator’sseat.
Neverdisconnectorbypasstheoperatorpresencesystem.
Iftheoperatorpresencesystemisinoperable,thenitmustberepaired.
Seatbelts
Seatbeltsmustbewornatalltimes.
Seatbeltinspectionandmaintenance:
•Keepseatbeltsingoodcondition.
•Keepsharpedgesanditemsthancancausedamageawayfromthebelts.
•Periodicallycheckbelts,buckles,retractors,tethers,slacktake-upsystem,andmountingboltsfordamageand
wear.
•Replaceallpartsthathavedamageorwear.
•Replacebeltsthathavecutsthatcanmakethebeltweak.
•Checkthatboltsaretightontheseatbracketormounting.
•Ifthebeltisattachedtotheseat,makesurethattheseatorseatbracketsaremountedsecurely.
•Keepseatbeltscleananddry.
•Cleanbeltsonlywithsoapsolutionandwarmwater.
•Donotusebleachordyeonthebeltsbecausethiscanmakethebeltsweak.
Pulltheright-handbeltfromtheseatbeltretractor.Fasten
themetalbeltendintotheleft-handbuckle.
RCIL10CWL037AAL1
Presstheredbuttonontheleft-handseatbeltmechanism
toreleasetheseatbelt.
RCIL10CWL083FAL2
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INTRODUCTION
Operatorprotectivestructure
Yourmachineisequippedwithanoperatorprotectivestructure,suchas:aRollOverProtectiveStructure(ROPS),
FallingObjectsProtectiveStructure(FOPS),oracabwithaROPS.AROPSmaybeacanframeoratwo-postedor
four-postedstructureusedfortheprotectionoftheoperatortominimizethepossibilityofseriousinjury.Themounting
structureandfastenersformingthemountingconnectionwiththemachinearepartoftheROPS.
Theprotectivestructureisaspecialsafetycomponentofyourmachine.
DONOTattachanydevicetotheprotectivestructureforpullingpurposes.DONOTdrillholestotheprotective
structure.
Theprotectivestructureandinterconnectingcomponentsareacertiedsystem.Anydamage,re,corrosion,or
modicationwillweakenthestructureandreduceyourprotection.Ifthisoccurs,THEPROTECTIVESTRUCTURE
MUSTBEREPLACEDsothatitwillprovidethesameprotectionasanewprotectivestructure.Contactyourdealer
forprotectivestructureinspectionandreplacement.
Afteranaccident,re,tipover,orrollover,thefollowingMUSTbeperformedbyaqualiedtechnicianbefore
returningthemachinetoeldorjob-siteoperations:
•TheprotectivestructureMUSTBEREPLACED.
•Themountingorsuspensionfortheprotectivestructure,operator’sseatandsuspension,seatbeltsandmounting
components,andwiringwithintheoperator’sprotectivesystemMUSTbecarefullyinspectedfordamage.
•AlldamagedpartsMUSTBEREPLACED.
DONOTWELD,DRILLHOLES,ATTEMPTTOSTRAIGHTEN,ORREPAIRTHEPROTECTIVESTRUCTURE.MOD-
IFICATIONINANYWAYCANREDUCETHESTRUCTURALINTEGRITYOFTHESTRUCTURE,WHICHCOULD
CAUSEDEATHORSERIOUSINJURYINTHEEVENTOFFIRE,TIPOVER,ROLLOVER,COLLISION,ORACCI-
DENT.
Seatbeltsarepartofyourprotectivesystemandmustbewornatalltimes.Theoperatormustbeheldtotheseat
insidetheframeinorderfortheprotectivesystemtowork.
Air-conditioningsystem
Theair-conditioningsystemisunderhighpressure.Donotdisconnectanylines.Thereleaseofhighpressurecan
causeseriousinjury.
Theair-conditioningsystemcontainsgasesthatareharmfultotheenvironmentwhenreleasedintotheatmosphere.
Donotattempttoserviceorrepairthesystem.
Onlytrainedservicetechnicianscanservice,repair,orrechargetheair-conditioningsystem.
Backupalarmsystem
Donotdisconnectbackupalarmsystemifsoequipped.
PersonalProtectiveEquipment(PPE)
WearPersonalProtectiveEquipment(PPE)suchashardhat,eyeprotection,heavygloves,hearingprotection,pro-
tectiveclothing,etc.
DoNotOperatetag
Beforeyoustartservicingthemachine,attacha‘DoNotOperate’warningtagtothemachineinanareathatwillbe
visible.
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INTRODUCTION
Hazardouschemicals
Ifyouareexposedtoorcomeincontactwithhazardouschemicalsyoucanbeseriouslyinjured.Theuids,lubricants,
paints,adhesives,coolant,etc.requiredforthefunctionofyourmachinecanbehazardous.Theymaybeattractive
andharmfultodomesticanimalsaswellashumans.
MaterialSafetyDataSheets(MSDS)provideinformationaboutthechemicalsubstanceswithinaproduct,safehan-
dlingandstorageprocedures,rstaidmeasures,andprocedurestotakeintheeventofaspilloraccidentalrelease.
MSDSareavailablefromyourdealer.
BeforeyouserviceyourmachinechecktheMSDSforeachlubricant,uid,etc.usedinthismachine.Thisinformation
indicatestheassociatedrisksandwillhelpyouservicethemachinesafely.FollowtheinformationintheMSDS,and
onmanufacturercontainers,aswellastheinformationinthismanual,whenyouservicethemachine.
Disposeofalluids,lters,andcontainersinanenvironmentallysafemanneraccordingtolocallawsandregulations.
Checkwithlocalenvironmentalandrecyclingcentersoryourdealerforcorrectdisposalinformation.
Storeuidsandltersinaccordancewithlocallawsandregulations.Useonlyappropriatecontainersforthestorage
ofchemicalsorpetrochemicalsubstances.
Keepoutofreachorchildrenorotherunauthorizedpersons.
Appliedchemicalsrequireadditionalprecautions.Obtaincompleteinformationfromthemanufacturerordistributor
ofthechemicalsbeforeyouusethem.
Utilitysafety
Whendiggingorusingground-engagingequipment,beawareofburiedcablesandotherservices.Contactyourlocal
utilitiesorauthorities,asappropriate,todeterminethelocationsofservices.
Makesurethatthemachinehassufcientclearancetopassinalldirections.Payspecialattentiontooverheadpower
linesandhangingobstacles.Highvoltagelinesmayrequiresignicantclearanceforsafety.Contactlocalauthorities
orutilitiestoobtainsafeclearancedistancesfromhighvoltagepowerlines.
Retractraisedorextendedcomponents,ifnecessary.Removeorlowerradioantennasorotheraccessories.Should
acontactbetweenthemachineandanelectricpowersourceoccur,thefollowingprecautionsmustbetaken:
•Stopthemachinemovementimmediately.
•Applytheparkingbrake,stoptheengine,andremovethekey.
•Checkifyoucansafelyleavethecaboryouractualpositionwithoutcontactwithelectricalwires.Ifnot,stayinyour
positionandcallforhelp.Ifyoucanleaveyourpositionwithouttouchinglines,jumpclearofthemachinetomake
surethatyoudonotmakecontactwiththegroundandthemachineatthesametime.
•Donotpermitanyonetotouchthemachineuntilpowerhasbeenshutofftothepowerlines.
Electricalstormsafety
Donotoperatemachineduringanelectricalstorm.
Ifyouareonthegroundduringanelectricalstorm,stayawayfrommachineryandequipment.Seekshelterina
permanent,protectedstructure.
Ifanelectricalstormshouldstrikeduringoperation,remaininthecab.Donotleavethecaboroperator’splatform.
Donotmakecontactwiththegroundorobjectsoutsidethemachine.
Mountinganddismounting
Mountanddismountthemachineonlyatdesignatedlocationsthathavehandholds,steps,and/ororladders.
Donotjumpoffofthemachine.
Makesurethatsteps,ladders,andplatformsremaincleanandclearofdebrisandforeignsubstances.Injurymay
resultfromslipperysurfaces.
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INTRODUCTION
Facethemachinewhenyoumountanddismountthemachine.
Maintainathree-pointcontactwithsteps,ladders,andhandholds.
Nevermountordismountfromamovingmachine.
Donotusethesteeringwheelorothercontrolsoraccessoriesashandholdswhenyouenterorexitthecaboroper-
ator’splatform.
Workingatheights
Whenthenormaluseandmaintenanceofthemachinerequiresyoutoworkatheights:
•Correctlyuseinstalledsteps,ladders,andrailings.
•Neveruseladders,steps,orrailingswhilethemachineismoving.
•Donotstandonsurfacesthatarenotdesignatedasstepsorplatforms.
Donotusethemachineasalift,ladder,orplatformforworkingatheights.
Liftingandoverheadloads
Neveruseloaderbuckets,forks,etc.orotherlifting,handling,ordiggingequipmenttoliftpersons.
Donotuseraisedequipmentasaworkplatform.
Knowthefullareaofmovementofthemachineandequipmentanddonotenterorpermitanyonetoenterthearea
ofmovementwhilethemachineisinoperation.
Neverenterorpermitanyonetoentertheareaunderneathraisedequipment.Equipmentand/orloadscanfallunex-
pectedlyandcrushpersonsunderneathit.
Donotleaveequipmentinraisedpositionwhileparkedorduringservice,unlesssecurelysupported.Hydrauliccylin-
dersmustbemechanicallylockedorsupportediftheyareleftinaraisedpositionforserviceoraccess.
Loaderbuckets,forks,etc.orotherlifting,handling,ordiggingequipmentanditsloadwillchangethecenterofgravity
ofthemachine.Thiscancausethemachinetotiponslopesorunevenground.
Loaditemscanfallofftheloaderbucketorliftingequipmentandcrushtheoperator.Caremustbetakenwhenlifting
aload.Useproperliftingequipment.
Donotliftloadhigherthannecessary.Lowerloadstotransport.Remembertoleaveappropriateclearancetothe
groundandotherobstacles.
Equipmentandassociatedloadscanblockvisibilityandcauseanaccident.Donotoperatewithinsufcientvisibility.
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INTRODUCTION
Safetyrules-Ecologyandtheenvironment
2050MNA
Soil,air,andwaterqualityisimportantforallindustriesandlifeingeneral.Whenlegislationdoesnotyetrulethe
treatmentofsomeofthesubstancesthatadvancedtechnologyrequires,soundjudgmentshouldgoverntheuseand
disposalofproductsofachemicalandpetrochemicalnature.
Familiarizeyourselfwiththerelativelegislationapplicabletoyourcountry,andmakesurethatyouunderstandthis
legislation.Wherenolegislationexists,obtaininformationfromsuppliersofoils,lters,batteries,fuels,anti-freeze,
cleaningagents,etc.,withregardtotheeffectofthesesubstancesonmanandnatureandhowtosafelystore,use,
anddisposeofthesesubstances.
Helpfulhints
•Avoidtheuseofcansorotherinappropriatepressurizedfueldeliverysystemstolltanks.Suchdeliverysystems
maycauseconsiderablespillage.
•Ingeneral,avoidskincontactwithallfuels,oils,acids,solvents,etc.Mostoftheseproductscontainsubstances
thatmaybeharmfultoyourhealth.
•Modernoilscontainadditives.Donotburncontaminatedfuelsandorwasteoilsinordinaryheatingsystems.
•Avoidspillagewhenyoudrainuidssuchasusedenginecoolantmixtures,engineoil,hydraulicuid,brakeuid,
etc.Donotmixdrainedbrakeuidsorfuelswithlubricants.Storealldraineduidssafelyuntilyoucandisposeof
theuidsinaproperwaythatcomplieswithalllocallegislationandavailableresources.
•Donotallowcoolantmixturestogetintothesoil.Collectanddisposeofcoolantmixturesproperly.
•Theair-conditioningsystemcontainsgasesthatshouldnotbereleasedintotheatmosphere.Consultanair-condi-
tioningspecialistoruseaspecialextractortorechargethesystemproperly.
•Repairanyleaksordefectsintheenginecoolingsystemorhydraulicsystemimmediately.
•Donotincreasethepressureinapressurizedcircuitasthismayleadtoacomponentfailure.
•Protecthosesduringwelding.Penetratingweldsplattermayburnaholeorweakenhoses,allowingthelossofoils,
coolant,etc.
Batteryrecycling
Batteriesandelectricaccumulatorscontainseveralsubstancesthatcanhaveaharmful
effectontheenvironmentifthebatteriesarenotproperlyrecycledafteruse.Improper
disposalofbatteriescancontaminatethesoil,groundwater,andwaterways.CASE
CONSTRUCTIONstronglyrecommendsthatyoureturnallusedbatteriestoaCASE
CONSTRUCTIONdealer,whowilldisposeoftheusedbatteriesorrecycletheused
batteriesproperly.Insomecountries,thisisalegalrequirement.
Mandatorybatteryrecycling
NOTE:ThefollowingrequirementsaremandatoryinBrazil.
Batteriesaremadeofleadplatesandasulfuricacidsolution.Becausebatteriescontainheavymetalssuchaslead,
CONAMAResolution401/2008requiresyoutoreturnallusedbatteriestothebatterydealerwhenyoureplaceany
batteries.Donotdisposeofbatteriesinyourhouseholdgarbage.
Pointsofsaleareobligedto:
•Acceptthereturnofyourusedbatteries
•Storethereturnedbatteriesinasuitablelocation
•Sendthereturnedbatteriestothebatterymanufacturerforrecycling
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INTRODUCTION
Safetyrules-Donotoperatetag
2050MNA
WARNING
Maintenancehazard!
Beforeyoustartservicingthemachine,attachaDONOTOPERATEwarningtagtothemachineina
visiblearea.
Failuretocomplycouldresultindeathorseriousinjury.W0004A
AttachaDONOTOPERATE(TAG)tothemachineinanareathatisclearlyvisiblewheneverthemachineisnot
operatingproperlyand/orrequiresservice.
Completethetaginformationforthe"REASON"thetagisattachedbydescribingthemalfunctionorservicerequired.
Validatethereasonforattachingthetagbysigningyournameinthedesignatedareaonthetag.
Thetagshouldonlyberemovedbythepersonwhosignedandattachedthetag,aftervalidatingtherepairsorservices
havebeencompleted.
(A)(D)
(E)
(B)
(F)
(C)
873586971
TagComponents
A.DONOTREMOVETHISTAG!-(Warning)Thetagshouldonlyberemovedbythepersonwhosignedandat-
tachedthetag,aftervalidatingtherepairsorserviceshavebeencompleted.
B.SeeOtherSide-(Referencetoadditionalinformationonoppositesideofthetag.)
C.CNHPartNumber-(RequestthispartnumberfromyouServicePartsDealertoobtainthisDONOTOPERATE
tag.)
D.DONOTOPERATE-(Warning!)
E.REASON-(Areafordescribingmalfunctionorservicerequiredbeforeoperation.)
F.Signedby-(Signaturearea-tobesignedbythepersonvalidatingthereasonforinstallationofthetag.)
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INTRODUCTION
Basicinstructions-Shopandassembly
2050MNA
Shimming
Foreachadjustmentoperation,selectadjustingshimsandmeasuretheadjustingshimsindividuallyusingamicrom-
eter,thenadduptherecordedvalues.Donotrelyonmeasuringtheentireshimmingset,whichmaybeincorrect,or
theratedvalueshownoneachshim.
Rotatingshaftseals
Forcorrectrotatingshaftsealinstallation,proceedasfollows:
1.Beforeassembly,allowthesealtosoakintheoilitwillbesealingforatleastthirtyminutes.
2.Thoroughlycleantheshaftandcheckthattheworkingsurfaceontheshaftisnotdamaged.
3.Positionthesealinglipfacingtheuid.
NOTE:Withhydrodynamiclips,takeintoconsiderationtheshaftrotationdirectionandpositionthegroovessothat
theywillmovetheuidtowardstheinnersideoftheseal.
4.Coatthesealinglipwithathinlayeroflubricant(useoilratherthangrease).Fillthegapbetweenthesealinglip
andthedustlipondoublelipsealswithgrease.
5.Insertthesealinitsseatandpressdownusingaatpunchorsealinstallationtool.Donottapthesealwitha
hammerormallet.
6.Whileyouinserttheseal,checkthatthesealisperpendiculartotheseat.Whenthesealsettles,makesurethat
thesealmakescontactwiththethrustelement,ifrequired.
7.Topreventdamagetotheseallipontheshaft,positionaprotectiveguardduringinstallationoperations.
O-ringseals
LubricatetheO-ringsealsbeforeyouinsertthemintheseats.ThiswillpreventtheO-ringsealsfromoverturningand
twisting,whichwouldjeopardizesealingefciency.
Sealingcompounds
Applyasealingcompoundonthematingsurfaceswhenspeciedbytheprocedure.Beforeyouapplythesealing
compound,preparethesurfacesasdirectedbytheproductcontainer.
Spareparts
OnlyuseCNHOriginalPartsorCASECONSTRUCTIONOriginalParts.
Onlygenuinesparepartsguaranteethesamequality,duration,andsafetyasoriginalparts,astheyarethesame
partsthatareassembledduringstandardproduction.OnlyCNHOriginalPartsorCASECONSTRUCTIONOriginal
Partscanofferthisguarantee.
Whenorderingspareparts,alwaysprovidethefollowinginformation:
•Machinemodel(commercialname)andProductIdenticationNumber(PIN)
•Partnumberoftheorderedpart,whichcanbefoundinthepartscatalog
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