Case CX350C User manual

PrintedinU.S.A.
Copyright © 2011 CNHAmerica LLC. All Rights Reserved.
CaseisaregisteredtrademarkofCNH America LLC.
Racine Wisconsin 53404 U.S.A.
Part number 84402832
1st edition English
August 2011
SERVICE MANUAL
CX350C
Tier 4
Crawler Excavator

Section
1001
Safety,generalinformationandstandardtorquedata
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CONTENTS
GENERALINFORMATION...........................................................................3
Safety.............................................................................................4
ROPSJudgmentMethod............................................................................6
StandardT orqueDataForCapScrewsAndNuts......................................................10
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Safety,generalinformationandstandardtorquedata
GENERALINFORMATION
CLEANING
Cleanallmetalpartsexceptbearings,inasuitablecleaningsolventorbysteamcleaning.
Donotusecausticsodaforsteamcleaning.
Aftercleaning,dryandputoilonallparts.
Cleanoilpassageswithcompressedair.
Cleanbearingsinasuitablecleaningsolvent,
drythebearingscompletelyandputoilonthebearings.
INSPECTION
Checkallpartswhenthepartsaredisassembled.
Replaceallpartsthathavewearordamage.
Smallscoringorgroovescanberemovedwithahoneorcrocuscloth.
Completeavisualinspectionforindicationsofwear,pittingandthereplacementofpartsnecessarytopreventearly
failures.
BEARINGS
Checkbearingsforeasyaction.
Ifbearingshavealoosetorroughactionreplacethebearing.
Washbearingswithasuitablecleaningsolventandpermittoairdry.
DONOTDRYBEARINGSWITHCOMPRESSEDAIR.
NEEDLEBEARINGS
Beforeyoupressneedlebearingsinaborealwaysremoveanymetalprotrusionsintheboreoredgeofthebore.
Beforeyoupressbearingsintopositionputpetroleumjellyontheinsideandoutsidediameterofthebearings.
GEARS
Checkallgearsforwearanddamage.
Replacegearsthathavewearordamage.
Oilseals,O-ringsandgaskets.
Alwaysinstallnewoilseals,O-ringsandgaskets.
PutpetroleumjellyonsealsandO-rings.
SHAFTS
Checkallshaftsthathavewearordamage.
Checkthebearingandoilsealsurfacesoftheshaftsfordamage.
SERVICEPARTS
AlwaysinstallgenuineCaseserviceparts.
Whenorderingrefertothe
PartsCatalogueforthecorrectpartnumberofthegenuineCasereplacementitems.
FailuresduetotheuseofotherthangenuineCasereplacementpartsarenotcoveredbywarranty.
LUBRICATION
OnlyusetheoilsandlubricantsspeciedintheOperator’sorServiceManuals.
Failuresduetotheuseofnon-speciedoilsandlubricantsarenotcoveredbywarranty.
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Safety,generalinformationandstandardtorquedata
Safety
ThissymbolmeansATTENTION!BECOMEALERT!YOURSAFETYISINVOLVED.
Themessagethatfollowsthesymbolcontainsimportantinformationaboutsafety.
Carefullyreadthemessage.
Makesureyoufullyunderstandthecausesofpossibleinjuryordeath.
TopreventinjuryalwaysfollowtheWarning,CautionandDangernotesinthissectionandthroughoutthemanual.
Putthewarningtagshownbelowonthekeyforthekeyswitchwhenservicingorrepairingthemachine.
Onewarningtagissuppliedwitheachmachine.
Additionaltagsareavailablefromyourservicepartssupplier.
WARNING
Readtheoperator'smanualtofamiliarizeyourselfwiththecorrectcontrolfunctions.
WARNING
Operatethemachineandequipmentcontrolsfromtheseatpositiononly.
Anyothermethodcouldresultinseriousinjury.
WARNING
Thisisaonemanmachine,noridersallowed.
WARNING
Beforestartingengine,studyOperator’sManualsafetymessages.
Readallsafetysignsonmachine.
Cleartheareaofotherpersons.
Learnandpracticesafeuseofcontrolsbeforeoperating.
Itisyourresponsibilitytounderstandandfollowmanufacturersinstructionsonmachineoperation,ser-
viceandtoobservepertinentlawsandregulations.
Operator'sandServiceManualsmaybeobtainedfromyourCASEdealer.
WARNING
Ifyouwearclothingthatistoolooseordonotusethecorrectsafetyequipmentforyourjob,youcan
beinjured.
Alwayswearclothingthatwillnotcatchonobjects.
Extrasafetyequipmentthatcanberequiredincludeshardhat,safetyshoes,earprotection,eyeorface
protection,heavyglovesandreectorclothing.
WARNING
Whenworkingintheareaofthefanbeltwiththeenginerunning,avoidlooseclothingifpossible,and
useextremecaution.
WARNING
Whendoingchecksandtestsontheequipmenthydraulics,followtheproceduresastheyarewritten.
DONOTchangetheprocedure.
WARNING
Whenputtingthehydrauliccylindersonthismachinethroughthenecessarycyclestocheckoperation
ortoremoveairfromacircuit,makesureallpeopleareoutoftheway.
WARNING
Useinsulatedglovesormittenswhenworkingwithhotparts.
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Safety,generalinformationandstandardtorquedata
WARNING
Lowerallattachmentstothegroundorusestandstosafelysupporttheattachmentsbeforeyoudoany
maintenanceorservice.
WARNING
Pinsizedandsmallerstreamsofhydraulicoilunderpressurecanpenetratetheskinandresultinserious
infection.
Ifhydraulicoilunderpressuredoespenetratetheskin,seekmedicaltreatmentimmediately.
Maintainallhosesandtubesingoodcondition.
Makesureallconnectionsaretight.
Makeareplacementofanytubeorhosethatisdamagedorthoughttobedamaged.
DONOTuseyourhandtocheckforleaks,useapieceofcardboardorwood.
WARNING
Whenremovinghardenedpinssuchasapivotpin,orahardenedshaft,useasofthead(brassorbronze)
hammeroruseadrivermadefrombrassorbronzeandasteelheadhammer.
WARNING
Whenusingahammertoremoveandinstallpivotpinsorseparatepartsusingcompressedairorusing
agrinder,weareyeprotectionthatcompletelyenclosestheeyes(approvedgogglesorotherapproved
eyeprotectors).
WARNING
Usesuitableoor(service)jacksorchainhoisttoraisewheelsortracksofftheoor.
Alwaysblockmachineinplacewithsuitablesafetystands.
WARNING
Whenservicingorrepairingthemachine,keeptheshopoorandoperator'scompartmentandsteps
freeofoil,water,grease,tools,etc.
Useanoilabsorbingmaterialand/orshopclothsasrequired.
Usesafepracticesatalltimes.
WARNING
Somecomponentsofthismachineareveryheavy.
UsesuitableliftingequipmentoradditionalhelpasinstructedinthisServiceManual.
WARNING
Engineexhaustfumescancausedeath.
Ifitisnecessarytostarttheengineinaclosedplace,removetheexhaustfumesfromtheareawithan
exhaustpipeextension.
Openthedoorsandgetoutsideairintothearea.
WARNING
Whenthebatteryelectrolyteisfrozen,thebatterycanexplodeif(1),youtrytochargethebattery,or(2),
youtrytojumpstartandruntheengine.
Topreventthebatteryelectrolytefromfreezing,trytokeepthebatteryatfullcharge.
Ifyoudonotfollowtheseinstructions,youorothersintheareacanbeinjured.
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Safety,generalinformationandstandardtorquedata
ROPSJudgmentMethod
1.Purpose
CheckagainsttheROPSjudgmentcriteriatojudgewhetherthemachinesatisestheROPScriteriaornot.
TheweightandboomofthemachinegreatlyeffectswhethertheROPSjudgmentcriteriaissatisedornot.
TheROPStestassumesthattheweightbeingusedistheweightofthemachinewhenthemaximumnumberof
selectableoptionsaremounted(asof2009).
However,dependingonthederivativemachineryortheorderdetails,theweightandboompositionmaydiffer
fromtheassumedweightorposition.
2.CriteriaforjudgingwhetheramachinesatisestheROPScriteria
1)Weight
Theweightmustnotbeovertheweightshownbelowforeachclass.
Iftheweightisexceeded,thereisadangerthatthecabcouldbedamagedandtheoperatorcoulddieor
sustainaseriousinjurywhenthemachinefallsover.
Iftheweightexceedsthestipulatedweight,themachinewillnotsatisfytheROPScriteria.
•Weight(Cseriesmodel)
TosatisfytheROPScriteria,theweightmustnotbeovertheindicatedweight.(Thebelowweightsare
theweightsindicatedonthenameplatewithintheROPScab)
Machinebodytotal
weightClass
31000kgorless
CX250C
CX250CLR
CX300C
40000kgorlessCX370C
50000kgorlessCX470C
*TheROPStestassumesthattheCX470Chasacageguard(alone).
•Weight(Bseriesmodel)
TosatisfytheROPScriteria,theweightmustnotbeovertheindicatedweight.(Thebelowweightsare
theweightsindicatedonthenameplatewithintheROPScab)
Machinebodytotal
weightClass
25000kgorless
CX130B
CX160B
CX180B
CX210B
CX230B
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Safety,generalinformationandstandardtorquedata
2)Boomposition
WARNING
•Ifthemachinehasbeenmodiedsothattheboompositionhasbeenlowered,themachine
willnotsatisfytheROPScriteria.
•Itisnecessarytoconsultwithourcompanyifitispossiblethattheboom'spositionhasbeen
loweredbymodication.
•Theextenttowhichaboompositionhasmovedcannotbedeterminedinthesamewayfor
allmachines.
aGroundpoint
Withthetipofthebucketincontactwiththegroundsurfaceatmaximumworkradius,iftheposition(*inthe
diagram)thatoverlapswiththecabwhenviewedfromthesideismarkedlylowerthanthatofastandard
machine(standardarm),themachinewillnotsatisfytheROPScriteria.
Also,withamachinebodywithacabmountedthatcanwithstandupto31tons,theeffectofmountinga
24tonmachine,whichisneartherestrictionweight,anda21tonmachinetothesamecabwillnotbethe
same.
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Safety,generalinformationandstandardtorquedata
3.Prohibiteditems
•ModicationsthatreducethestrengthofaplatformthathasacabwithaROPSmountedtoit.(Actionsor
modicationsthatreducethefunctionalityoftheanchoringpartattheleft-rearofthecab)
•ModicationsthateffectthestrengthoftheROPSofacab.
Aforbiddenall
modications
(redpart)
Allmodications(grinding,welding,drillingholes,removing,etc.)areprohib-
ited.
Allowunderspec-
iedconditions
(graypart)
Removalofpartsisprohibited.
Barweldingandmakingholes(uptodiameter20mm)bydrillingarepossible.
[CseriesCab]
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Safety,generalinformationandstandardtorquedata
[BseriesCab]
•Ingeneral,highcabsdonotsatisfytheROPScriteria.(Itisnecessarytoconsultwithourcompanytocheckif
thehighcabmodelsatisestheROPScriteria.)
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Safety,generalinformationandstandardtorquedata
StandardTorqueDataForCapScrewsAndNuts
BOLTANDNUTTIGHTENING
•Tightenalternatingbetweenleftandrightandtopandbottomsothatuniformtighteningforceisapplied.
•IfLoctitewasusedonaremovedbolt(thereissomethingwhitestickingtotheboltwhenitisremoved),cleanthe
oldLoctiteoffwithcleaninguid,drythebolt,thenapply2-3dropsofLoctitetothethreadsectionofthebolt.
Torquetable
Boltnominaldiameter(size)M6M8M10M12M14M16M18M20
Wrench[mm]1013171922242730
HexagonboltTightening
torque[N･m]6.919.639.258.898.1156.9196.1294.2
Wrench[mm]5681012141417
Hexagonsocket
headboltTightening
torque[N･m]8.821.642.178.5117.7176.5245.2343.2
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Section
1002A
Specications
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CONTENTS
Overall(CX350C)...................................................................................3
MainData.....................................................................................3
Performance...................................................................................3
MainUnitDimensions...........................................................................3
Engine........................................................................................3
CoolingSystem................................................................................4
UpperSideWorkSystem........................................................................4
OperatingDevice...............................................................................4
SwingUnits....................................................................................5
TravelLowerBody..............................................................................5
HydraulicEquipment............................................................................6
HydraulicDevice.............................................................................6
ControlValveandCylinder.....................................................................6
Capacities,Filters...............................................................................6
CoolantandOilCapacities.....................................................................6
HydraulicOilFilters...........................................................................6
FuelFilter....................................................................................6
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84402832NA-May2011
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Specications
Overall(CX350C)
MainData
Operatingweight34700kg
Engineoutput198kW/1900min-1
Performance
Standardweight18.0kN
Swingspeed9.7min-1
Lowspeed3.2km/h
TravelspeedHighspeed5.4km/h
Maximumpullingforce264kN
Gradeability70％(35°)
65kPa(600mmgrousershoe)
57kPa(700mmgrousershoe)
50kPa(800mmgrousershoe)
47kPa(850mmgrousershoe)
Groundpressure
45kPa(900mmgrousershoe)
Standardweight18.0kN
Swingspeed9.7min-1
Lowspeed3.2km/h
TravelspeedHighspeed5.4km/h
Maximumpullingforce264kN
Gradeability70％(35°)
58kPa(700mmgrousershoe)
51kPa(800mmgrousershoe)
Groundpressure
48kPa(850mmgrousershoe)
MainUnitDimensions
Mainunitlength6010mm
Mainunitwidth3200mm(600Gshoe)
Upperswingbodywidth3030mm
Cabwidth1000mm
Mainunitheight3160mm
Swingradius(rearend)3550mm
Swingbodyrearenddistance3520mm
Swingbodyrearsectionbottom
height1210mm(notincludinglugheightof36mm)
Distancebetweentumblers4040mm
Overalltracklength4980mm
Overalltrackwidth3200mm(600Gshoe)
Distancebetweentracks2600mm
Trackshoewidth600mm(options700mm,800mm,850mm,900mm)
Minimumgroundclearance480mm(tobottomoflowerframe)(notincludinglugheightof
36mm)
Engine
NameIsuzu6HK1Xdieselengine
Model
4-cycle,water-cooled,overheadcamshafttype
Commonrailsystem(electroniccontrol),cooledEGR,withtur-
bocharger(variabledisplacementtype),DPDsystem
Numberofcylinders-borex
stroke6-D115mmx125mm
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Specications
Totalstrokevolume7.790L
Maximumtorque1043N·m/1500min-1
Starter24V5.0kWreductiontype
Charginggenerator24V50AACtype
Battery12V128Ah/5HRx2
CoolingSystem
FantypeD850mm,6blades,suction
Radiator
FintypeWavy
Finpitch1.75mm
Oilcooler
FintypeWavy
Finpitch1.75mm
Intercooler
FintypeWavy
Finpitch2.5mm
Fuelcooler
FintypeWavy
Finpitch2.0mm
UpperSideWorkSystem
ModelBackhoeAttachment
Components,dimensions,workingdi-
mensions
Bucketcapacity(reference)Heaped1.40m3(Leveled1.04m3)
Bucketwidth1300mm
Bucketwidthwithsidecutter1440mm
Bucketweightwithsidecutter1150kg
Boomlength6450mm
Armtype
Standard
(STD/HD)
(3.25m)
Long
(4.04m)
Short
(2.63m)
Ultra-short
(2.21m)
Armlength3250mm4040mm2630mm2210mm
Bucketradius1680mm
Bucketwristangle173°
Maximumdiggingradius11170mm11900mm10670mm10200mm
Maximumdiggingradiusatground
line10980mm11720mm10470mm9990mm
Maximumdiggingdepth7340mm8140mm6730mm6300mm
Maximumverticalstraightwalldig-
gingdepth6350mm7150mm5970mm5080mm
Maximumdiggingheight10370mm10670mm10320mm9850mm
Maximumdumpheight7230mm7540mm7140mm6770mm
Minimumswingradiusatfront4500mm4560mm4630mm4660mm
Heightforminimumswingradius
atfront8480mm8490mm8540mm8650mm
OperatingDevice
Operator'sseat
PositionLeftside
StructureAdjustableforwardandbackandupanddown,recliningmech-
anism,withseatsuspension
CabSealedsteeltype,allreinforcedglass,ROPS,withsunroof
Leversandpedals
FortraveluseLeverandpedaltype(hydraulicpilottype)x2
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