Case CX57C User manual

1/1
CX57C
Mini Excavator
SERVICE MANUAL
Mini Excavator
CX57C
Part number 51452080
English
March 2018
© 2018 CNH Industrial Italia S.p.A. All Rights Reserved.
SERVICE MANUAL
Part number 51452080

SERVICEMANUAL
CX57CCab-TierIVnalengine
5145208020/06/2018
EN

Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.106]Valvedriveandgears..............................................................10.2
[10.101]Cylinderheads.....................................................................10.3
[10.105]Connectingrodsandpistons.......................................................10.4
[10.103]Crankshaftandywheel............................................................10.5
[10.216]Fueltanks..........................................................................10.6
[10.206]Fuellters..........................................................................10.7
[10.218]Fuelinjectionsystem...............................................................10.8
[10.202]Aircleanersandlines..............................................................10.9
[10.254]Intakeandexhaustmanifoldsandmufer.......................................10.10
[10.501]ExhaustGasRecirculation(EGR)exhausttreatment............................10.11
[10.400]Enginecoolingsystem...........................................................10.12
[10.414]Fananddrive....................................................................10.13
[10.304]Enginelubricationsystem........................................................10.14
Hydraulicsystems.......................................................................35
[35.000]Hydraulicsystems..................................................................35.1
[35.300]Reservoir,cooler,andlters........................................................35.2
[35.106]Variabledisplacementpump.......................................................35.3
[35.359]Maincontrolvalve..................................................................35.4
[35.357]Pilotsystem........................................................................35.5
[35.355]Hydraulichandcontrol.............................................................35.6
[35.356]Hydraulicfootcontrol...............................................................35.7
[35.352]Hydraulicswingsystem............................................................35.8
[35.353]Hydraulictravelsystem............................................................35.9
[35.354]Hydrauliccentraljoint............................................................35.10
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[35.736]Boomhydraulicsystem..........................................................35.11
[35.737]Dipperhydraulicsystem..........................................................35.12
[35.738]Excavatorandbackhoebuckethydraulicsystem................................35.13
[35.734]Toolquickcouplerhydraulicsystem.............................................35.14
[35.360]Hammerandrotatingbuckethydraulicsystem..................................35.15
[35.739]Swingarmhydraulicsystem.....................................................35.16
[35.741]Dozerbladecylinders............................................................35.17
Pneumaticsystem......................................................................36
[36.100]Pneumaticsystem..................................................................36.1
Framesandballasting.................................................................39
[39.140]Ballastsandsupports..............................................................39.1
Tracksandtracksuspension........................................................48
[48.100]Tracks..............................................................................48.1
[48.130]Trackframeanddrivingwheels....................................................48.2
[48.134]Tracktensionunits.................................................................48.3
[48.138]Trackrollers........................................................................48.4
Cabclimatecontrol.....................................................................50
[50.100]Heating.............................................................................50.1
[50.200]Airconditioning.....................................................................50.2
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
[55.100]Harnessesandconnectors.........................................................55.2
[55.525]Cabenginecontrols................................................................55.3
[55.015]Enginecontrolsystem..............................................................55.4
[55.201]Enginestartingsystem.............................................................55.5
[55.301]Alternator...........................................................................55.6
[55.302]Battery..............................................................................55.7
[55.011]Fueltanksystem...................................................................55.8
5145208020/06/2018

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[55.014]Engineintakeandexhaustsystem.................................................55.9
[55.012]Enginecoolingsystem...........................................................55.10
[55.013]Engineoilsystem................................................................55.11
[55.640]Electronicmodules...............................................................55.12
[55.512]Cabcontrols......................................................................55.13
[55.036]Hydraulicsystemcontrol.........................................................55.14
[55.524]Cabcontrols(Liftarm,Boom,Dipper,Bucket)...................................55.15
[55.518]Wiperandwashersystem........................................................55.16
[55.404]Externallighting..................................................................55.17
[55.514]Cablighting......................................................................55.18
[55.408]Warningindicators,alarms,andinstruments....................................55.19
[55.DTC]FAULTCODES..................................................................55.20
Booms,dippers,andbuckets.......................................................84
[84.910]Boom...............................................................................84.1
[84.912]Dipperarm.........................................................................84.2
[84.100]Bucket..............................................................................84.3
Dozerbladeandarm...................................................................86
[86.110]Dozerblade........................................................................86.1
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.120]Mechanically-adjustedoperatorseat...............................................90.2
[90.105]Machineshieldsandguards.......................................................90.3
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INTRODUCTION
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1

Contents
INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing....................................3
Safetyrules.....................................................................................4
Safetyrules-Generalinformation..............................................................5
Safetyrules-Personalsafety..................................................................6
Safetyrules-Ecologyandtheenvironment....................................................9
Torque-Standardtorquesettings............................................................10
Torque-Specialtorquesettings..............................................................12
Basicinstructions-Shopandassembly......................................................13
Machinespecications........................................................................15
Weights.......................................................................................17
Dimensions...................................................................................18
Conversionfactors............................................................................20
Hydrauliccontamination......................................................................32
Generalspecication.........................................................................33
Fluidsandlubricants..........................................................................35
Consumables-Engineoilrecommendedoperatingtemperaturerange.....................39
Productidentication..........................................................................40
Productidentication-Machineorientation..................................................43
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2

INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing
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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3

INTRODUCTION
Safetyrules
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-Generalinformation
Cleaning
Cleanthemetalpartswithcleaningsolutionthatmeetsthestandardandsteamcleaning.(exceptforbearings)
Aftercleaning,drywell,andinjectoilinallparts.
Alsoinjectoilintothebearingsafterdrying.
Inspection
Whendisassemblingparts,checkalltheparts.
Ifthereareanywornordamagedparts,replacethem.
Inspectcarefullytopreventinitialbreakdowns.
Bearing
Replaceanyloosebearings.
Airdrybearingsbeforeinstallingthem.
Needlebearing
Wheninsertingneedlebearings,beverycarefulnottodamagethem.
Applygreasetothesectionwheretheneedlebearingwillbeinserted.
Gear
Checkthatthereisnowearandnodamage.
Oilseal,O-ring,gasket
Alwaysinstallnewoilseals,O-rings,andgaskets.
ApplygreasetosectionswhereoilsealsandO-ringswillbeinserted.
Shaft
Checkthatthereisnowearandnodamage.
Checkthebearingsandcheckfordamagedoilsealsontheshaft.
Serviceparts
InstallCASECONSTRUCTIONgenuineserviceparts.
Whenplacinganorder,checkthepartscatalog.ItcontainstheCASECONSTRUCTIONgenuinepartnumbers.
Anybreakdownsarisingfromtheinstallationofnon-genuinepartsarenotcoveredbythewarranty.
Lubricants(fuel,hydraulicoil)
Usetheoilfromthespeciedcompanyorspeciedintheoperator'smanualorserviceManual.
Anybreakdownsarisingfromanyfuelorhydraulicoilotherthanthosespeciedarenotcoveredbythewarranty.
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INTRODUCTION
Safetyrules-Personalsafety
Preliminarywarningstomaintenanceoperation
WARNING
Avoidinjury!
Shutofftheengine,removethekey,andmakesureallmachinemotionstopsbeforeyouservicethe
machine.
Failuretocomplycouldresultindeathorseriousinjury.W1128B
WARNING
Improperoperationorserviceofthismachinecanresultinanaccident.
Assignasupervisortodirectworksiteoperations.Agreeonallsafetymeasures,procedures,and
suitablehandsignals.
Failuretocomplycouldresultindeathorseriousinjury.W0287A
CAUTION
Pinchhazard!
Alwaysusesuitabletoolstoalignmatingparts.DONOTuseyourhandorngers.
Failuretocomplycouldresultinminorormoderateinjury.C0044A
PersonalProtectiveEquipment(PPE)
WARNING
Avoidinjury!
UsePersonalProtectiveEquipment(PPE),includingprotectivegoggles,gloves,andsafetyfootwear.
Failuretocomplycouldresultindeathorseriousinjury.W1036A
Liftingoperation
WARNING
Crushinghazard!
Theliftingsystemsmustbeoperatedbyqualiedpersonnelwhoareawareofthecorrectprocedures
tofollow.Makesureallliftingequipmentisingoodcondition,andallhooksareequippedwithsafety
latches.
Failuretocomplycouldresultindeathorseriousinjury.W0256A
WARNING
Heavyobjects!
Liftandhandleallheavycomponentsusingliftingequipmentwithadequatecapacity.Alwayssupport
unitsorpartswithsuitableslingsorhooks.Makesuretheworkareaisclearofallbystanders.
Failuretocomplycouldresultindeathorseriousinjury.W0398A
WARNING
Improperoperationorserviceofthismachinecanresultinanaccident.
Raisedequipmentormachinemovementwithoutanoperatorcancauseseriousinjury.Alwaysdothe
followingbeforeperforminganymaintenance:
Parkthemachineonat,levelground.
Lowertheattachmenttotheground.
Shutdowntheengineandremovetheignitionkey.
Lockthetracks.
Failuretocomplycouldresultindeathorseriousinjury.W0944D
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INTRODUCTION
WARNING
Tip-overhazard!
Onlyraisethetrackaslittleasnecessary.
Failuretocomplycouldresultindeathorseriousinjury.W0276A
Hydraulicsystem
WARNING
Burnhazard!
Beforeperforminganyserviceonthehydraulicsystem,youmustallowittocool.Hydraulicuid
temperatureshouldnotexceed40°C(104°F).
Failuretocomplycouldresultindeathorseriousinjury.W0241A
WARNING
Pressurizeduidcanpenetratetheskinandcausesevereinjuries.
Thegreaseinthecylinderisunderhighpressure.Neverloosenthegreasettingadaptorcompletely
inordertospeeduptheowofgrease.
Failuretocomplycouldresultindeathorseriousinjury.W0261A
WARNING
Pressurizedsystem!
Beforeattemptinganyserviceprocedure,itisyourresponsibilitytoknowthenumberofaccumulators
onthemachine,andthecorrectprocedureforreleasingthepressureofeachaccumulator.
Failuretocomplycouldresultindeathorseriousinjury.W0136A
Battery
WARNING
Batteryacidcausesburns.Batteriescontainsulfuricacid.
Avoidcontactwithskin,eyesorclothing.Antidote(external):Flushwithwater.Antidote(eyes):ush
withwaterfor15minutesandseekmedicalattentionimmediately.Antidote(internal):Drinklarge
quantitiesofwaterormilk.Donotinducevomiting.Seekmedicalattentionimmediately.
Failuretocomplycouldresultindeathorseriousinjury.W0111A
WARNING
Batterygascanexplode!
Topreventanexplosion:1.Alwaysdisconnectthenegative(-)batterycablerst.2.Alwaysconnect
thenegative(-)batterycablelast.3.Donotshortcircuitthebatterypostswithmetalobjects.4.Do
notweld,grind,orsmokenearabattery.
Failuretocomplycouldresultindeathorseriousinjury.W0011A
Fluids
WARNING
Hazardouschemicals!
Coolantcanbetoxic.Avoidcontactwithskin,eyes,andclothing.Antidotes:
EXTERNAL-Rinsethoroughlywithwater.Removesoiledclothing.
INTERNAL-Rinsethemouthwithwater.DONOTinducevomiting.Seekimmediatemedicalattention.
EYES-Flushwithwater.Seekimmediatemedicalattention.
Failuretocomplycouldresultindeathorseriousinjury.W0282A
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INTRODUCTION
WARNING
Burnhazard!
Hotcoolantcansprayandscaldifyouremovetheradiatorordeaerationtankcapwhilethesystem
ishot.Toremovethecap:allowthesystemtocool,turnthecaptotherstnotch,andwaitforall
pressuretorelease.Removethecaponlyafterallpressurehasreleased.
Failuretocomplycouldresultindeathorseriousinjury.W0367A
WARNING
Escapinguid!
Hydraulicuidordieselfuelleakingunderpressurecanpenetratetheskinandcauseinfectionor
otherinjury.Topreventpersonalinjury:Relieveallpressurebeforedisconnectinguidlinesorper-
formingworkonthehydraulicsystem.Beforeapplyingpressure,makesureallconnectionsaretight
andallcomponentsareingoodcondition.Neveruseyourhandtocheckforsuspectedleaksunder
pressure.Useapieceofcardboardorwoodforthispurpose.Ifinjuredbyleakinguid,seeyour
doctorimmediately.
Failuretocomplycouldresultindeathorseriousinjury.W0178A
WARNING
Chemicalhazard!
Whenhandlingfuel,lubricants,andotherservicechemicals,followthemanufacturer'sinstructions.
WearPersonalProtectiveEquipment(PPE)asinstructed.Donotsmokeoruseopename.Collect
uidsinpropercontainers.Obeyalllocalandenvironmentalregulationswhendisposingofchemi-
cals.
Failuretocomplycouldresultindeathorseriousinjury.W0371A
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INTRODUCTION
Safetyrules-Ecologyandtheenvironment
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
Torque-Standardtorquesettings
BOLTANDNUT
Usefollowingtableforunspeciedtorque.
Coarsethread
Boltsize8t10t
M6x1.01.15–1.69N·m(0.85–1.25lbft)1.55–2.36N·m(1.14–1.74lbft)
M8x1.252.71–4.07N·m(2.00–3.00lbft)3.66–5.56N·m(2.70–4.10lbft)
M10x1.55.42–8.13N·m(4.00–6.00lbft)7.46–11.25N·m(5.50–8.30lbft)
M12x1.7510.03–15.19N·m(7.40–11.20lbft)13.29–21.42N·m(9.80–15.80lbft)
M14x2.016.54–22.51N·m(12.20–16.60lbft)22.64–30.51N·m(16.70–22.50lbft)
M16x2.025.22–34.17N·m(18.60–25.20lbft)34.17–46.37N·m(25.20–34.20lbft)
M18x2.534.98–47.45N·m(25.80–35.00lbft)47.59–64.40N·m(35.10–47.50lbft)
M20x2.549.08–66.44N·m(36.20–49.00lbft)66.71–90.30N·m(49.20–66.60lbft)
M22x2.565.49–85.82N·m(48.30–63.30lbft)89.21–132.87N·m(65.80–98.00lbft)
M24x3.084.74–114.57N·m(62.50–84.50lbft)115.24–155.92N·m(85.00–115.00lbft)
M30x3.0168.12–227.78N·m(124.00–168.00lbft)229.13–310.48N·m(169.00–229.00lbft)
M36x4.0235.91–319.97N·m(174.00–236.00lbft)338.95–420.30N·m(250.00–310.00lbft)
Finethread
Boltsize8t10t
M8x1.02.98–4.61N·m(2.20–3.40lbft)4.07–5.97N·m(3.00–4.40lbft)
M10x1.26.10–9.08N·m(4.50–6.70lbft)8.00–12.07N·m(5.90–8.90lbft)
M12x1.2510.58–15.73N·m(7.80–11.60lbft)14.37–21.69N·m(10.60–16.00lbft)
M14x1.518.03–24.54N·m(13.30–18.10lbft)24.27–32.68N·m(17.90–24.10lbft)
M16x1.526.98–36.47N·m(19.90–26.90lbft)36.06–48.81N·m(26.60–36.00lbft)
M18x1.538.78–59.11N·m(28.60–43.60lbft)52.06–70.50N·m(38.40–52.00lbft)
M20x1.554.23–73.21N·m(40.00–54.00lbft)72.40–97.89N·m(53.40–72.20lbft)
M22x1.571.45–96.67N·m(52.70–71.30lbft)95.86–129.75N·m(70.70–95.70lbft)
M24x2.092.06–124.60N·m(67.90–91.90lbft)123.24–166.77N·m(90.90–123.00lbft)
M30x2.0185.75–250.83N·m(137.00–185.00lbft)246.76–336.24N·m(182.00–248.00lbft)
M36x3.0260.32–352.51N·m(192.00–260.00lbft)355.22–479.96N·m(262.00–354.00lbft)
Pipeandhose(FLAREtype)
Threadsize(PF)WidthacrossatTorque
1/4"19mm(0.75in)39.18N·m(28.90lbft)
3/8"22mm(0.87in)49.08N·m(36.20lbft)
1/2"27mm(1.06in)93.14N·m(68.70lbft)
3/4"36mm(1.42in)176.26N·m(130.00lbft)
1"41mm(1.61in)206.08N·m(152.00lbft)
1-1/4"50mm(1.97in)343.02N·m(253.00lbft)
Pipeandhose(ORFStype)
Threadsize(UNF)WidthacrossatTorque
9/16-1819mm(0.75in)39.18N·m(28.90lbft)
11/16-1622mm(0.87in)49.08N·m(36.20lbft)
13/16-1627mm(1.06in)93.14N·m(68.70lbft)
1-3/16-1236mm(1.42in)176.26N·m(130.00lbft)
1-7/16-1241mm(1.61in)206.08N·m(152.00lbft)
1-11/16-1250mm(1.97in)343.02N·m(253.00lbft)
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INTRODUCTION
Fitting
ThreadsizeWidthacrossatTorque
1/4"19mm(0.75in)39.18N·m(28.90lbft)
3/8"22mm(0.87in)49.08N·m(36.20lbft)
1/2"27mm(1.06in)93.14N·m(68.70lbft)
3/4"36mm(1.42in)176.26N·m(130.00lbft)
1"41mm(1.61in)206.08N·m(152.00lbft)
1-1/4"50mm(1.97in)343.02N·m(253.00lbft)
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INTRODUCTION
Torque-Specialtorquesettings
ComponentBoltsizeTighteningtorque
EngineEnginemountingbolt
(engine-bracket)M10×1.558.0–77.6N·m(42.8–57.2lbft)
Enginemountingbolt
(bracket-frame)M16×2.0220.9–269.9N·m(162.9–199.1lbft)
CoolingfanmountingboltM8×1.2515.7–19.5N·m(11.6–14.4lbft)
RadiatormountingboltandnutM10×1.554.2–81.3N·m(40.0–60.0lbft)
CouplingmountingboltM14×2.0127.2–146.7N·m(93.8–108.2lbft)
MainpumpmountingboltM12×1.7594.9–154.6N·m(70.0–114.0lbft)
MaincontrolvalvemountingboltM8×1.2519.5–29.3N·m(14.4–21.6lbft)
FueltankmountingboltM16×2.0246.8–336.2N·m(182.0–248.0lbft)
HydraulicoiltankmountingboltM16×2.0246.8–336.2N·m(182.0–248.0lbft)
Hydraulic
system
Hydraulicswivelmountingboltand
nutM12×1.7594.9–154.6N·m(70.0–114.0lbft)
SwingmotormountingboltM16×2.0246.8–336.2N·m(182.0–248.0lbft)
SwingbearinguppermountingboltM16×2.0246.8–336.2N·m(182.0–248.0lbft)
SwingbearinglowermountingboltM16×2.0246.8–336.2N·m(182.0–248.0lbft)
Powertrain
system
TravelmotormountingboltM14×2.0176.9–216.3N·m(130.5–159.5lbft)
SprocketmountingboltM14×2.0172.9–212.2N·m(127.5–156.5lbft)
Trackrollersupportmountingbolt
andnutM18×2.0366.2–444.6N·m(270.1–327.9lbft)
TrackrollermountingboltM18×2.0366.2–444.6N·m(270.1–327.9lbft)
Idlerwheeltorecoilspring
assemblymountingboltM12×1.7594.9–154.6N·m(70.0–114.0lbft)
Trackshoemountingbolt,nut1/2-20UNF171.5–210.8N·m(126.5–155.5lbft)
Undercarriage
TrackguardmountingboltM16×2.0259.0–321.3N·m(191.0–237.0lbft)
CounterweightmountingboltM20×2.5504–629.5N·m(371.7–464.3lbft)
CabmountingboltandnutM12×1.7594.9–154.6N·m(70.0–114.0lbft)
CabanchorboltM16×2.0247.4–335.6N·m(182.5–247.5lbft)
Others
Operator'sseatmountingboltM8×1.2510.6–12.5N·m(7.8–9.2lbft)
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INTRODUCTION
Basicinstructions-Shopandassembly
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.T opreventdamagetotheseallipontheshaft,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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INTRODUCTION
Protectingtheelectronicand/orelectricalsystemsduringchargingandwelding
Toavoiddamagetotheelectronicand/orelectricalsystems,alwaysobservethefollowingpractices:
1.Nevermakeorbreakanyofthechargingcircuitconnectionswhentheengineisrunning,includingthebattery
connections.
2.Nevershortanyofthechargingcomponentstoground.
3.Alwaysdisconnectthegroundcablefromthebatterybeforearcweldingonthemachineoronanymachine
attachment.
•Positiontheweldergroundclampasclosetotheweldingareaaspossible.
•Ifyouweldincloseproximitytoacomputermodule,thenyoushouldremovethemodulefromthemachine.
•Neverallowweldingcablestolieon,near,oracrossanyelectricalwiringorelectroniccomponentwhileyou
weld.
4.Alwaysdisconnectthenegativecablefromthebatterywhenchargingthebatteryinthemachinewithabattery
charger.
NOTICE:Ifyoumustweldontheunit,youmustdisconnectthebatterygroundcablefromthemachinebattery.
Theelectronicmonitoringsystemandchargingsystemwillbedamagedifthisisnotdone.
5.Removethebatterygroundcable.Reconnectthecablewhenyoucompletewelding.
WARNING
Batteryacidcausesburns.Batteriescontainsulfuricacid.
Avoidcontactwithskin,eyesorclothing.Antidote(external):Flushwithwater.Antidote(eyes):ush
withwaterfor15minutesandseekmedicalattentionimmediately.Antidote(internal):Drinklarge
quantitiesofwaterormilk.Donotinducevomiting.Seekmedicalattentionimmediately.
Failuretocomplycouldresultindeathorseriousinjury.W0111A
Specialtools
ThespecialtoolsthatCASECONSTRUCTIONsuggestsandillustrateinthismanualhavebeenspecicallyre-
searchedanddesignedforusewithCASECONSTRUCTIONmachines.Thespecialtoolsareessentialforreliable
repairoperations.Thespecialtoolsareaccuratelybuiltandrigorouslytestedtoofferefcientandlong-lastingoper-
ation.
Byusingthesetools,repairpersonnelwillbenetfrom:
•Operatinginoptimaltechnicalconditions
•Obtainingthebestresults
•Savingtimeandeffort
•Workinginsafeconditions
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