Case ISM User manual

PrintedinU.S.A.
Copyright © 2014 CNHIndustrial America LLC. All Rights Reserved.
CaseisaregisteredtrademarkofCNH Industrial America LLC.
Racine Wisconsin 53404 U.S.A.
Part number 47632293
2nd edition English
September 2014
Replaces part number 47434944
SERVICE MANUAL
ISM
Tier 4
Engine
See the following page for engine model numbers

SERVICEMANUAL
N4LDI-TA-45SL,N4LDI-TA-50SL,N843LT-F-27,N843T-F-24,N844L-F-30,
N844L-F-34,N844L-F-36SL,N844LT-F-45SL
4763229316/09/2014
EN
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Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.102]Panandcovers....................................................................10.2
[10.106]Valvedriveandgears..............................................................10.3
[10.101]Cylinderheads.....................................................................10.4
[10.105]Connectingrodsandpistons.......................................................10.5
[10.103]Crankshaftandywheel............................................................10.6
[10.110]Balanceranddamper..............................................................10.7
[10.206]Fuellters..........................................................................10.8
[10.220]Throttlelinkage.....................................................................10.9
[10.218]Fuelinjectionsystem.............................................................10.10
[10.250]Turbochargerandlines...........................................................10.11
[10.254]Intakeandexhaustmanifoldsandmufer.......................................10.12
[10.500]SelectiveCatalyticReduction(SCR)exhausttreatment.........................10.13
[10.501]ExhaustGasRecirculation(EGR)-DieselParticulateFilter(DPF)exhaust
treatment..................................................................................10.14
[10.400]Enginecoolingsystem...........................................................10.15
[10.304]Enginelubricationsystem........................................................10.16
[10.408]Oilcoolerandlines...............................................................10.17
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
[55.015]Enginecontrolsystem..............................................................55.2
[55.201]Enginestartingsystem.............................................................55.3
[55.301]Alternator...........................................................................55.4
[55.202]Coldstartaid.......................................................................55.5
[55.010]Fuelinjectionsystem...............................................................55.6
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[55.014]Engineintakeandexhaustsystem.................................................55.7
[55.989]ExhaustGasRecirculation(EGR)electricalsystem...............................55.8
[55.012]Enginecoolingsystem.............................................................55.9
[55.013]Engineoilsystem................................................................55.10
[55.640]Electronicmodules...............................................................55.11
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INTRODUCTION
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Contents
INTRODUCTION
Foreword-Ecologyandtheenvironment......................................................3
Safetyrules.....................................................................................4
Basicinstructions-Importantnoticeregardingequipmentservicing...........................5
Basicinstructions-Shopandassembly........................................................6
Torque-Minimumtighteningtorquesfornormalassembly.....................................8
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INTRODUCTION
Foreword-Ecologyandtheenvironment
Soil,air,andwaterarevitalfactorsofagricultureandlifeingeneral.Whenlegislationdoesnotyetrulethetreatment
ofsomeofthesubstancesrequiredbyadvancedtechnology,soundjudgmentshouldgoverntheuseanddisposalof
productsofachemicalandpetrochemicalnature.
NOTE:Thefollowingarerecommendationsthatmaybeofassistance:
•Becomeacquaintedwithandensurethatyouunderstandtherelativelegislationapplicabletoyourcountry.
•Wherenolegislationexists,obtaininformationfromsuppliersofoils,lters,batteries,fuels,antifreeze,cleaning
agents,etc.,withregardtotheireffectonmanandnatureandhowtosafelystore,use,anddisposeofthese
substances.
•Agriculturalconsultantswill,inmanycases,beabletohelpyouaswell.
Helpfulhints
•Avoidllingtanksusingcansorinappropriatepressurizedfueldeliverysystemsthatmaycauseconsiderable
spillage.
•Ingeneral,avoidskincontactwithallfuels,oils,acids,solvents,etc.Mostofthemcontainsubstancesthatmaybe
harmfultoyourhealth.
•Modernoilscontainadditives.Donotburncontaminatedfuelsandorwasteoilsinordinaryheatingsystems.
•Avoidspillagewhendrainingoffusedenginecoolantmixtures,engine,gearboxandhydraulicoils,brakeuids,etc.
Donotmixdrainedbrakeuidsorfuelswithlubricants.Storethemsafelyuntiltheycanbedisposedofinaproper
waytocomplywithlocallegislationandavailableresources.
•Moderncoolantmixtures,i.e.antifreezeandotheradditives,shouldbereplacedeverytwoyears.Theyshouldnot
beallowedtogetintothesoil,butshouldbecollectedanddisposedofproperly.
•Donotopentheair-conditioningsystemyourself.Itcontainsgasesthatshouldnotbereleasedintotheatmosphere.
YourCNHdealerorairconditioningspecialisthasaspecialextractorforthispurposeandwillhavetorechargethe
systemproperly.
•Repairanyleaksordefectsintheenginecoolingorhydraulicsystemimmediately.
•Donotincreasethepressureinapressurizedcircuitasthismayleadtoacomponentfailure.
•Protecthosesduringweldingaspenetratingweldsplattermayburnaholeorweakenthem,allowingthelossof
oils,coolant,etc.
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INTRODUCTION
Safetyrules
Personalsafety
Thisisthesafetyalertsymbol.Itisusedtoalertyoutopotentialpersonalinjuryhazards.Obeyall
safetymessagesthatfollowthissymboltoavoidpossibledeathorinjury.
Throughoutthismanualandonmachinedecals,youwillndthesignalwordsDANGER,WARNING,andCAUTION
followedbyspecialinstructions.Theseprecautionsareintendedforthepersonalsafetyofyouandthoseworking
withyou.
Readandunderstandallthesafetymessagesinthismanualbeforeyouoperateorservicethemachine.
DANGERindicatesahazardoussituationwhich,ifnotavoided,willresultindeathorseriousinjury.The
colorassociatedwithDANGERisRED.
WARNINGindicatesahazardoussituationwhich,ifnotavoided,couldresultindeathorseriousinjury.
ThecolorassociatedwithWARNINGisORANGE.
CAUTION,usedwiththesafetyalertsymbol,indicatesahazardoussituationwhich,ifnotavoided,couldresult
inminorormoderateinjury.ThecolorassociatedwithCAUTIONisYELLOW.
FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIONMESSAGESCOULDRESULT
INDEATHORSERIOUSINJURY.
Machinesafety
NOTICE:Noticeindicatesasituationwhich,ifnotavoided,couldresultinmachineorpropertydamage.Thecolor
associatedwithNoticeisBLUE.
ThroughoutthismanualyouwillndthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor
propertydamage.ThewordNoticeisusedtoaddresspracticesnotrelatedtopersonalsafety.
Information
NOTE:Noteindicatesadditionalinformationwhichclariessteps,procedures,orotherinformationinthismanual.
ThroughoutthismanualyouwillndthewordNotefollowedbyadditionalinformationaboutastep,procedure,or
otherinformationinthemanual.ThewordNoteisnotintendedtoaddresspersonalsafetyorpropertydamage.
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INTRODUCTION
Basicinstructions-Importantnoticeregardingequipmentservicing
Allrepairandmaintenanceworklistedinthismanualmustbecarriedoutonlybyqualieddealershippersonnel,
strictlycomplyingwiththeinstructionsgiven,andusing,wheneverpossible,thespecialtools.
Anyonewhoperformsrepairandmaintenanceoperationswithoutcomplyingwiththeproceduresprovidedherein
shallberesponsibleforanysubsequentdamages.
Themanufacturerandalltheorganizationsofitsdistributionchain,including-withoutlimitation-national,regional,or
localdealers,rejectanyresponsibilityfordamagescausedbypartsand/orcomponentsnotapprovedbythemanu-
facturer,includingthoseusedfortheservicingorrepairoftheproductmanufacturedormarketedbythemanufacturer.
Inanycase,nowarrantyisgivenorattributedontheproductmanufacturedormarketedbythemanufacturerincase
ofdamagescausedbypartsand/orcomponentsnotapprovedbythemanufacturer.
Theinformationinthismanualisup-to-dateatthedateofthepublication.Itisthepolicyofthemanufacturerfor
continuousimprovement.Someinformationcouldnotbeupdatedduetomodicationsofatechnicalorcommercial
type,orchangestothelawsandregulationsofdifferentcountries.
Incaseofquestions,refertoyourCNHSalesandServiceNetworks.
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