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Service Manual - Case 340 Articulated Truck 9-93760na

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1.Engine

2.Suspensioncylinder

3.Frontaxle

4.Transmission

5.Articulationjoint

6.Intermediateaxle

7.Tippercylinder

8.Rearaxle

9.Body

10.Cab

Mainvehicleassembliesproductionnumbers

Youareadvisedtomakeanoteofthemodelandserial number(PN)and/orproductioncode(PIN)ofthemain vehicleassemblieswrittenontherespectiveplates appliedtotheassembly.

engine

automatictransmission

fronthubs

intermediateaxle

rearaxle

suspensioncylinder

tippercylinder

steeringcylinders

hydraulicsystempump

brakecoolingsystempumps

radiatorfansystempump

radiatorfansystemmotor

flowsplitter

tippervalve

steeringvalve

TheplatelocationisshowninSection2--TECHNICAL DATA.

Thiswillensurefasteridentificationofthepartsrequired forpartialortotalreplacement.

INTRODUCTION

Thistechnicalhandbookcontainsaseriesofrepairproceduresrelatingtothearticulateddumptrucks. Readthishandbookcarefullybeforecarryingoutanyrepairsonthevehicle.

Scrupulousobservanceoftherulesandinstructions hereinwillensurethatrepairsarecarriedoutsafelyand efficiently.

Copyright

Thecopyrightsofthishandbookbelongtothevehicle manufacturer.

Thetext,drawingsandillustrationscontainedinthis handbookcannotbecirculatedorgiventothirdparties, totallyorpartially,withoutthewrittenconsentofthevehiclemanufacturer.

INFORMATIONONTHISHANDBOOK

Definitions

HandbookisthisWORKSHOPMANUAL.

Vehicleisthemachinerydescribedinthismanual. Manufactureristhecompanymanufacturingthevehicle.

Dealershipisthecompanyororganisationofficially representingtheManufacturer.

Supplierisanycompanysupplyingcomponentsand/or consumablematerialusedbythevehicle.

Useristhepersondirectlyorindirectlyinvolvedinrepairingthevehicle.

Contents

Thismanualcontainstherepairinstructionsforallthevehicleparts.

Somedevicesdescribedinthishandbook maynotbefittedinyourvehicle,according totheoutfitandthemarketforwhichthevehiclewasmade.

Thishandbookisorganisedinseveralsections,which areorganisedinchaptersand,whererequired,paragraphstoensurerapidandeasyretrievalofinformation. Refertothegenerallistofcontentsatthebeginningof thisHandbookforfurtherinformationonhowthevarious topicsaresetout.

Symbols

Youwillfindthefollowingsymbolshighlightingpartsof thehandbook.Theirmeaningis:

procedures,technicalinformationandprecautionswhich,ifnotrespectedand/orincorrectlycarriedout,couldcauseinjuryto users(safetysymbol,alsoseeSECTION 1.2-SAFETYINSTRUCTIONS).

procedures,technicalinformationandprecautionswhich,ifnotrespectedand/orincorrectlycarriedout,coulddamagethevehicle.

procedures,technicalinformationandprecautionswhich,ifnotrespectedand/orincorrectlycarriedout,couldpollutetheenvironment.

veryimportantprocedures,technicalinformationandprecautions.

Purposeofthishandbook

Purposeofthishandbookistoallowuserstogettoknow thevehicleandrepairitasspecified,inasafeandlong-lastingfashion,takingtherequiredactionsandarranginghumanandmaterialresourcesasneeded.

Towhomthismanualisaddressed

Thismanualisaddressedtothosepersonswhoneedto and/orhavebeendelegatedtocarryoutrepairsonthe vehicleand/orwhosejobitistogiveinstructionsonhow tocarryoutsuchrepairs.

Thesepersonsare:

Doperativeunits/site/departmentmanagers;

Dusersdirectlyconcernedinvehiclemaintenance.

Safekeepingofthishandbook

Thishandbookmustbekeptinsidethevehicle,inadry place,andmustbereadilyavailableforconsultation. Youareadvisedtofileacopy.

Keepthehandbookfortheentirelifeofthevehicle,until itisscrapped.Usersarerequiredtopurchaseanew copyifthehandbookiseitherlostordamaged.Copies mustbeexclusivelyorderedfromthemanufacturer.

Updatestothishandbook

Theinformation,descriptionsandillustrationsinthis handbookreflectthestateoftheartatthetimeof marketingofthevehicle.

Themanufacturerreservestherighttoimplement changestovehicles,fortechnicalormarketingreasons, atanytime.Themanufacturerwillnotbeobligedeither toimplementsuchchangesinthevehiclesmarketedbeforeortoconsiderthishandbookobsolete.

Anyadditionalinformationwhichthemanufacturermay deemsuitabletoprovideatalatertimewillbekeptwith thehandbookasanintegralpartofthepublication.

Unitsofmeasure

InternationalSystem(SI)unitsofmeasureasusedin thishandbook.

ImperialSystemvaluesareexpressedinbrackets.

SCHEDULEDUSE

Thevehicledescribedinthishandbookwasdesigned andmadeforthefollowinguse:

Dtohaulexcavationmaterialingeneral;

Dtohaulmaterialresultingfrominterventionsonindustrialorcivilianartefactsingeneral;

Dtohaulmaterialrequiredtomakeinfrastructuresand/ orindustrialorcivilianartefactsingeneral. Thevehiclemustbeusedforsuchpurposes.

Thevehiclemustbeinprovenandcheckedconditions ofefficiencyforsaiduse,fullyrespectingtheenvisaged criteriaandrestrictionsofuse.

Specificcaremustbepaidtothefollowingaspects:

Ddonotexceedthepayloadsspecifiedbythe manufacturer;

Ddonotexceedthegradientsspecifiedbythe manufacturer;

Ddonotdrivethevehicleonlooseterrainwhichcan compromisestability;

Ddonotusethevehicletoremoveobjectsorproducts;

Dusethevehiclepayingspecialcaretothesafetyinstructionsandspecifications;

Dcarryouttheordinarymaintenanceinterventions specifiedbythemanufacturer;

Dcarryouttheextraordinarymaintenanceinterventionswhicharerequired,specificallythoserelatedto safetyofuse.

Themanufacturerdeclinesliabilityforinjurytopersonsandfordamagetothevehicle and/ortothetransportedgoodsintheevent ofotheruseoruseinotherconditionsthan thosespecified.

VEHICLEOPERATORS

Thevehiclecanbedrivenexclusivelybyqualifiedpersonnelwiththenecessaryskillsandsuitabletechnical knowledge.

Vehicledriversmust:

Dhavetheskillsrequiredtodrivethevehicleinallenvironmentalandweatherconditions;

Dbepsychologicallyandphysicallyfit;

Dbeveryresponsibleandrespectthesafetyinstructions.

Vehiclemaintenancepersonnelmust:

Dhavetheoperativeskillsrequiredforconstruction sitevehiclemaintenance;

Dbesensitisedtorespectandadoptsafetyinstructionsandprecautions.

Vehicleoperatorsmustbeinconditiontoworkintotal safety,alsobymeansofsuitabletrainingperiodsor courses,toacquirefullknowledgeofinstructionsforvehicleuse.

Thedirectreportingmanagermustensurerespectof generalsafetyinstructions,specificallythosecontained inthishandbook.

Themanagerwillalsoascertainsuitabilityofoperating personnel,intermsoftechnicalskillsandpsychological--physicalconditions.

WASTEDISPOSAL

Collectandproperlydisposeofreplacedmaterial(brake pads,filters,etc.)andwastematerial,resultingfrom maintenanceoperationsandrepairs(materialsoakedin fuel,oil,powder,etc.)accordingtothelawsinforce,separatelyfromnormalwaste.

Collectanddisposeofusedlubricantsandfluids,accordingtothelawsinforce.

Collectanddisposeofusedbatteriesaccordingtothe lawsinforce.

Drainandrechargetheairconditioningsystemusingthe specificdevices,accordingtothelawsinforce.

Furthermore,youareadvisedtoseparateferrousmaterials,lightalloysandwasteplasticmaterialsforseparate recycling.

SCRAPPINGTHEVEHICLE

Thevehiclemustbescrappedaccordingtothelawsin force,attheendofthevehicle’sworkinglife. Recycleanddemolishthevehicleaccordingtothelaws inforce.

Thevehiclemustbedemolishedbyexpertpersonnel usingsuitableworkingtoolstoensuretherequiredsafetyconditions.

Demolishthevehiclebyseparatingandcollectingthe variousmaterialsbytypetoallowrecyclinganddisposal.

Pleasenotethatitisforbiddentoabandonanobsolete vehicleataquarry,buildingsite,dumporintheenvironment.

Specificattentionmustbedevotedtocertaincomponentsandsubstanceswhichcanpollutetheenvironmentand/orcauseinjuries,i.e.:

Dpresenceoffuels,coolantfluids,hydraulicoilandlubricatingoilsonboard;

Dpresenceofbatteriesandrespectiveelectrolyte;

Dpresenceofpressurizedgas(tires,suspensioncomponents,airconditioner);

Dpresenceofsolidpollutingmaterials(tires,brake pads,plasticparts,filters)orhazardousmaterials (glass,windows).

Disposeofthesematerialsaccordingtothelawsinforce.

WARRANTYANDLIABILITYOFTHE MANUFACTURER

Warrantyconditions

Theusermustscrupulouslyobservetheprecautionsillustratedinthishandbooktoensurevalidityofthecontractualwarranty.Specifically,theuserwill:

Drespectrestrictionsofusespecifiedbythemanufacturer;

Dnotimplementchangesorvariantstothevehicle withoutthemanufacturer’swrittenapproval;

Dalwayscarryoutthemaintenanceinterventions;

Dalwaysusegenuinespareparts;

Dascertainthatthepersonnelcalledtousethevehicle havethenecessaryrequirementsintermsofskills andtraining.

Thecontractualwarrantywillnotbeapplicableifthe aforesaidconditionsarenotrespected,eveninpart.

Liability

Themanufacturerdeclinesalldirectorindirectliabilities derivingfrom:

Ddisrespectoftheinstructionscontainedinthishandbook;

Duseofthevehiclebyuntrainedorunauthorisedpersonnel;

Dusenoncomplyingwiththeregulationsinforceinthe countrywherethevehiclewasmarketed;

Dunauthorisedchangesand/orrepairs;

Duseofotherthangenuinespareparts.

SERVICE

Warrantycoupons

Themanufacturerprovidesawarrantycardtotheuser witheachvehicle.

Youareadvisedtousethecouponduringthefirsthours ofoperationofthevehicle.

Warrantycoupon:after250hoursofwork.

Differentwarrantyconditionsarevalidonly ifstatedonthevehiclepurchasingcontract.

Service

Dealershipsareavailableforalltypesofinterventions. Equipmentandexpertpersonnelareavailableforoverhaulingandrepairingoperations.

Dealershipscanprovideinformationandadvicetoensurethebestuseofthevehicle.

Spareparts

Usegenuinesparepartsforreplacementswhichcanbe orderedfromdealersandauthorisedworkshops. Pleaserememberthatthefollowinginformationwillbe requiredtoorderspareparts:

Dvehicletype;

Dchassisnumber;

Dreferenceandcataloguenumbersshowninthe SparePartsCatalogue.

Ifthepartbelongstoamainassembly(engine,transmission,axles,motors,etc.),youwillalsoneedtospecifytheassemblymodelandserialnumber.

GENERALOPERATIONRULES

Pre--disassemblypreparation

Cleaningbeforebringingthevehicleintoserviceshop

Removemudanddirtcompletelybeforebringingthevehicleintotheserviceshop.Carryingmudanddirtintothe serviceshopimpedescleaningoperationswhendisassemblingandincreasesthepossibilityofcontamination ofpartsduringreassembly.

Preliminarysurveybeforedisassembly

Beforedisassembly,makeanaccuratepreliminarysurveyandmakeanoteoftheresults.Thiswillsaveunnecessarylabourandcomponentcostsandwillbeuseful togiveadvicetotheusertopreventproblemsinthefuture.

Inparticularly:

DCheckthetypeandnumberofthemachineandservicemeterreading.

DCheckthereasonfordisassembly.

DCheckthesymptom,locationandcauseoftheproblemandmakeanothervisualcheckifnecessary.

DCheckthecontaminationoftheaircleanerandair leakage.

DCheckthecharacteristicsofthefuelbeingused,contaminationofthefuelfilterandforanywaterinthe fuel,lossoffuel,deformedpipes.

DChecktheoillevel,oilcontamination(viscosity,colourandimpurity)presenceofwaterintheoil,oil leakageandcloggedoilfilter.

DCheckthetensionoftheVbelts;

DCheckforanyfaultycomponentsorloosenedconnections.

Disassemblypreparation

Tosaveunnecessarylabour,makesurethattheequipment,areaandspaceontheshelvesisavailable,accordingtothespecifictypeofdisassemblytobecarried out,andcleantheareabeforehand.

Duringdisassembly

Removalofparts

DBeforeremovingparts,checktheassemblyconditionsandfront/rear,left/rightandup/downrelations andtheremovalprocedures

DMakesuretherearetherelevantmatingmarksindicatingthemountingpositionsandifnecessarymark clearlytoavoiderrorsduringreassembly.

DUsethespecialdisassemblytoolswherespecified.

DIfitisdifficulttoremoveapartevenafterthemountingscrewshavebeenremoved,donotforceit,but checktheparttofindwheretheproblemlies.

DAllunits,especiallythosewhichlookalike,shouldbe placedinorderandtaggedormarkedwhennecessary.

DStandardpartssuchasnutsandboltsaretobekept, notingtheassemblypositionandthequantity.

DShimsandwashersusedtoadjustclearancesareto bekeptsotheycanbere--assembledinthesame conditions.

DDuringdisassembly,carefullyinspectforanyseizure,interferenceorcontactwithmovingpartstofind thecauseoftheproblem.

DWhenmeasuring,recordallthevalues,suchasend clearances,backlashorprojectionwhichonlyhave significanceifmeasuredduringdisassembly.

DKeepthesameadjustmentvaluesoftherodsasfar aspossible.Ifitisnecessarytodisassembleadjustmentdevices,measurethelengthbeforedisassemblyandmakeanoteofthevaluesoastobeableto reassembleintheidenticalcondition.

DIftaperedorfittedpartsthatshouldfittightlycomeoff easily,inspectthepartsinvolvedtofindthecauseso thatthesameproblemdoesnotoccuragainwhenreassembling.

DUseanappropriatejiganddonottrytoforcethem.

Disconnectinghydrauliclines

Operateeachcontrolleverseveraltimesto relieveanypressureinthelinestoberemoved.

Opentheairbleedercapofthehydraulic tank.

DTodisconnectarigidtubefromanotherone,orarigid tubefromahose,graspthemaleendwithawrench andloosenthefemalenutside.

DPlugtheendoftheremovedtubeorhoseandtheoil portonthepart,topreventforeignmatterfromentering.

DSincethetubeorhosetoberemovedcontainsoil, pourthisoffintoasuitablecontainer.

DCleanupanyoilspillsintheworkingarea.

DAttachatagwithanappropriatemarkingtoeach tube,hoseandhydrauliccomponentlineconnection foreasierreassembly.

Afterdisassembly

Whenusingdetergents,makesureyou fullyunderstandtheuseinstructionsand takecarenottobringthemintocontactwith theeyesorskin.Disposeofuseddetergentscorrectly.

Cleaning

DCleanthedisassembledpartsandarrangethemin order.Completelyremovesludgeanddustfromthe oilportsofeachpart.

DTocleanmoreefficiently,dividethedetergentinto twocontainers;onetoremovethedirtandoneforfinishing.Whencleaningmoreimportantparts,divide thecontainersfurthertoavoidusingdirtydetergent.

DWhencleaninglargecastings,suchasthecylinder headorblock,,immersetheminacontainerfor5to 10minuteswithapH10--12detergent,atatemperatureof50Cand70C(122158F),thenrinse thoroughly.

Rustanddustprevention

DCovercleanpartstoavoidrusting.

DPlacecapsontheendsoftubesandhoses.

DIfitwillbesometimebeforeassembly,userustinhibitor.

Duringassembly Installingtheparts

DBeforestartingtoassemble,cleanallthecomponentsandrepairanydamage.Dirtanddusthaveadverseeffectsonmovingpartsandcanshortenthe machinelife,sotakeallprecautionstolimittheirpenetration.

DBeforeassembly,removethelayerofrustinhibitorif presentonnewparts.

DPartswithmatingmarksaretobemountedsothat themarksarecorrectlyaligned.

DUseapressandappropriatetoolswheninstalling bearings,bushings,oilgasketsetc.Whenmounting specialparts,usethespecificspecialtools.

DCoatthesurfaceofpress--fitpartswithmolybdenum disulphategreaseorotherspecificlubricant,where prescribed.

Screwandnuttightening

DTightennutsandboltsalternatelysothataverage torquecanbeappliedevenly.Thenumbersonthe figureindicatetheorderoftightening.

DUnlessindicatedotherwise,applylubricanttothe threadedpartofthebolts,soastoobtaineven tightening.

a:correctassembly

b:incorrectassembly

DThenutsandboltsthatcannotbeinspectedexternally,orthoseformoreimportantpartsaretobeinstalledandlockedwithanappropriatedevicetopreventloosening(lockwire,splitpin,bentwasher).

DBoltsonwhichathreadstophasbeenapplied(residuecanbeseenwhenremoved)aretobecleaned withlightoilanddriedbeforetightening.Apply2or 3dropsofthreadstoptothethreadedpartofthe bolts,thentighten.

Connectinghydrauliclines

DCleanallrigidtubeswithasuitabledetergentand blowdrywithcompressedair.

DDonotusecouplingliquids(threecomponents).

DWheninstallinghighpressurehoses,donotallow anytorsion.Avoidthatotherpartsinterferewiththe hosesiftheyhavenoprotectivespring.

DInstallcorrectly,checkingthetagsoneachrigidtube orhoseandonhydrauliccomponentconnections.

DWhenconnectingthelines,slightlytightenthenuts atbothends,thentightenalternately.

DAftercompletingthelineconnections,runtheengine atlowspeedandfromtheoperator’sseatmoveeach hydrauliccomponentthroughthecontrollevers. Makeafurtherinspectionthentopuptheoilinthehydraulictank

DPointssuchasendclearances,endplates,projections,stepsandbacklashthatcannotbecheckedexceptduringtheassemblyprocess,aretobechecked andmeasuredbeforepassingontothenextstep.

DShimsandwashersusedtoadjustclearancesareto berefittedinthesameconditionastheywerebefore disassembly,unlesswornordamaged.

DAfterreassembly,checktheadjustmentvalues.

DAssemblethelinkagewiththerodadjustmentvalue identicaltothatbeforedisassembly.

DIfpartsfittedbypressureareeasilyinserted,check theinsertiondimensionsagainandcorrectanyflaws beforeassembling.

Interchangeableparts

Gaskets

DAsarule,replaceallgasketswithnewones.

DApplysealingliquidtothesealinggasketsofcertain parts.

DRemoveallflaws,dust,paint,oilorpreviouslyused sealliquids.

DApplyanevencoatingofthespecifiedsealingliquid andallowtodryforafewminutes.

DWhentheliquidisdrytothetouch,matethegaskets.

O--rings

DIftheO--ringshavebecomehardenedafterlong storage,discardthemeveniftheyhaveneverbeen used.

DUseonlytheO--ringsindicatedinthespareparts lists.Fortheengine,inparticular,O--ringsofspecial material,likesiliconerubberareusedfortheirresistancetoheatanddeterioration.Donotusesubstitutes.

DBeforeinstallation,applyacoatingofoiltotheO--ring topreventcracking.Siliconerubbertearseasilyand mustthereforebehandledwithcare.

Oilsealgaskets(oilsealrings)

A:innerside(possiblepressure)

B:outerside

a:mainlip(seal)

b.dustprotectionlip

DPayattentiontothedirectionoftheoilsealgasket lips.

DTakecarethatnodustsettlesontheoilsealgasket, andascertainthatthereisnorustorcracking(especiallyonthelipsurfaces).

DWhenassemblingoilsealgaskets,applysome greasetopreventinitialdryfriction.

a.Singleliptypeoilsealgasket

Applythegreaseevenlyovertheentireexternal borderofthesideoppositetothesealingpartofthe lip(arrow),takingcarethatthereisnobuildup.

b.Doubleliptypeoilsealgasket Applygreaseto40--60%oftheexternalborderof thesectionbetweenthelips(arrow).

DMakesurethatthecontactsurface(shaftarea)ofthe oilsealgasketisfreeofdust,cracksorrustandapply lubricanttofacilitatetheinstallation.

DToinstall,useaguideandanassemblyjigtoavoid damagingtheoilsealgasketlip.

DAfterinsertingtheoilsealgasketandpushingitinto itsseat,thegasketshouldhavenoinclination.

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