TOTHEREADER
Thismanualhasbeenprintedforaskilfulengineer tosupplythenecessarytechnicalinformationto carryoutserviceoperationsonthismachine. Carefullyreadthismanualtoobtaincorrect informationregardingrepairprocedures.
Foranyquestionorremark,orincaseofanyerror inthecontentsofthismanual,pleasecontact: CNHITALIAS.p.A. VialedelleNazioni,55 41100MODENA-Italy
REFERENCE
BeyondthisServiceManual,alsorefertothe documentslistedbelow: -Operator’sManual -ServicePartsCatalogue
COMPLETESERVICEMANUAL
TheServiceManualconsistsofonevolume: CX17B
ServiceManualfor“MiniExcavators”
TheServiceManualfor“MiniExcavators” containsthenecessarytechnicalinformationto carryoutmaintenanceandrepairoperationson themachine,thenecessarytoolstocarryout maintenanceoperations,theinformationon servicestandards,theproceduresforremoval, installation,disassemblyandreassembly.
TheServiceManualregardingmodelsCX17B consistsofthefollowingvolume,identifiedbythe printnumberindicatedbelow:
ServiceManual-“MiniExcavators” CX17B 84345206
TOPREVENTACCIDENTS
Mostoftheaccidentsandinjuriesoccurringinthefactory,athomeorontheroadarecausedbythefailureto followsimpleandfundamentalsafetyrulesorprecautions.Forthisreason,MOSTACCIDENTSCANBE PREVENTEDbyrecognizingtherealcauseandtakingthenecessaryprecautionsbeforetheaccidentoccurs. Withanytypeofmachine,althoughwelldesignedandconstructed,itisnotpossibletoabsolutelyexcludeany possibilityofaccidents.
Acarefulandcautiousoperatorand/ortechnicianisthebestinsuranceagainstaccidents.Thescrupulous observanceofthisonesimplerulewouldpreventmanythousandsofseriousinjurieseachyear.
Thisruleis:neverattempttoclean,lubricateorserviceamachinewiththeenginerunning.
WARNING
Beforecarryingoutanymaintenance,adjustmentorrepairoperationonmachinesequippedwithattachments, controlledhydraulicallyormechanically,makesurethattheattachmentisloweredandsafelysetonthe ground.Ifitisnecessarytohavetheattachmentpartiallyorfullyraisedtogainaccesstocertainitems,make suretheattachmentissuitablysupportedbymeansotherthanthehydraulicliftingcylinders,thecablesand/or themechanicaldevicesusedforcontrollingtheattachment.
CNHS.p.A.
VialedelleNazioni,55 41100MODENA-Italy
Allrightsreserved. Reproductionoftextorillustrations,inwholeorinpart,isstrictlyprohibited.
GENERALSAFETYINFORMATION
Donotoperateorperformanymaintenanceonthis machineuntilallinstructionsfoundintheOPERATORSMANUALandthisMANUALhavebeenthoroughlyreadandunderstood.
Improperoperationormaintenanceofthismachine maycauseaccidentsandcouldresultinseriousinjuryordeath.
Alwayskeepthemanualinstorage.
Ifitismissingordamaged,placeanorderwithan authorizedourDistributorforareplacement.
Ifyouhaveanyquestions,pleaseconsultanauthorizedourDistributor.
(1)Mostaccidents,whichoccurduringoperation,are duetoneglectofprecautionarymeasuresandsafetyrules.Sufficientcareshouldbetakentoavoid theseaccidents.Erroneousoperation,lubrication ormaintenanceservicesareverydangerousand maycauseinjuryordeathofpersonnel.Therefore allprecautionarymeasures,NOTES,DANGERS, WARNINGSandCAUTIONScontainedinthemanualandonthemachineshouldbereadandunderstoodbyallpersonnelbeforestartinganyworkwith oronthemachine.
(2)Operation,inspection,andmaintenanceshouldbe carefullycarriedout,andsafetymustbegiventhe firstpriority.Messagesofsafetyareindicatedwith marks.Thesafetyinformationcontainedinthe manualisintendedonlytosupplementsafety codes,insurancerequirements,locallaws,rules andregulations.
(3)Messagesofsafetyappearinthemanualandon themachine:Allmessagesofsafetyareidentified byeitherwordof"DANGER","WARNING"and "CAUTION".
1)DANGER-Indicatesanimminentlyhazardous situationwhich,ifnotavoided,willresultin deathorseriousinjuryandisrepresentedas follows:
2)WARNING-Indicatesapotentiallyhazardous situationwhich,ifnotavoided,couldresultin deathorseriousinjuryandisrepresentedas follows:
3)CAUTION-Indicatesapotentiallyhazardous situationwhich,ifnotavoided,mayresultinminorormoderateinjury.Itmayalsobeusedto alertagainstpossibledamagetothemachine anditscomponentsandisrepresentedasfollows:
(4)Itisverydifficulttoforecasteverydangerthatmay occurduringoperation.However,safetycanbeensuredbyfullyunderstandingproperoperatingproceduresforthismachineaccordingtomethods recommendedbyManufacturer.
(5)Whileoperatingthemachine,besuretoperform workwithgreatcare,soasnottodamagethemachine,orallowaccidentstooccur.
(6)ContinuestudyingthemanualuntilallSafety,OperationandMaintenanceproceduresarecompletely understoodbyallpersonsworkingwiththemachine.
SAFETYPRECAUTIONS
Theproperandsafelubricationandmaintenance forthismachine,recommendedbyManufacturer, areoutlinedintheOPERATORSMANUALforthe machine.
Improperperformanceoflubricationormaintenanceproceduresaredangerousandcouldresult ininjuryordeath.ReadandunderstandtheMANUALbeforeperforminganylubricationormaintenance.
Theservicemanormechanicmaybeunfamiliarwith manyofthesystemsonthismachine.Thismakesit importanttousecautionwhenperformingservicework. Aknowledgeofthesystemandorcomponentsisimportantbeforetheremovalordisassemblyofanycomponent.
Becauseofthesizeofsomeofthemachinecomponents,theservicemanormechanicshouldcheckthe weightsnotedinthismanual.Useproperliftingprocedureswhenremovinganycomponents.Weightofcomponentstableisshowninthesection; SPECIFICATIONS.
Thefollowingisalistofbasicprecautionsthatmustalwaysbeobserved.
(1)ReadandunderstandallWarningplatesanddecal onthemachinebeforeOperating,Maintainingor Repairingthismachine.
(2)Alwayswearprotectiveglassesandprotective shoeswhenworkingaroundmachines.Inparticular,wearprotectiveglasseswhenusinghammers, punchesordriftsonanypartofthemachineorattachments.Useweldersgloves,hood/goggles, apronandtheprotectiveclothingappropriatetothe weldingjobbeingperformed.Donotwearloosefittingortornclothing.Removeallringsfromfingers, loosejewelry,confinelonghairandlooseclothing beforeworkingonthismachinery.
(3)Disconnectthebatteryandhanga"DoNotOperate"tagintheOperatorsCompartment.Removeignitionkeys.
(4)Ifpossible,makeallrepairswiththemachine parkedonafirmlevelsurface.Blockthemachine soitdoesnotrollwhileworkingonorunderthemachine.Hanga"DoNotOperate"tagintheOperatorsCompartment.
(5)Donotworkonanymachinethatissupportedonly bylift,jacksorahoist.Alwaysuseblocksorjack
stands,capableofsupportingthemachine,before performinganydisassembly. Donotoperatethismachineunlessyouhave readandunderstandtheinstructionsintheOPERATORSMANUAL.Impropermachineoperationisdangerousandcouldresultininjuryor death.
(6)Relieveallpressureinair,oilorwatersystemsbeforeanylines,fittingsorrelateditemsaredisconnectedorremoved.Alwaysmakesureallraised componentsareblockedcorrectlyandbealertfor possiblepressurewhendisconnectinganydevice fromasystemthatutilizespressure.
(7)Lowerthebucket,dozer,orotherattachmentsto thegroundbeforeperforminganyworkonthemachine.Ifthiscannotbedone,makesurethebucket, dozer,ripperorotherattachmentisblockedcorrectlytopreventitfromdroppingunexpectedly.
(8)Usestepsandgrabhandleswhenmountingordismountingamachine.Cleananymudordebrisfrom steps,walkwaysorworkplatformsbeforeusing. Alwaysfacetothemachinewhenusingsteps,laddersandwalkways.Whenitisnotpossibletouse thedesignedaccesssystem,provideladders,scaffolds,orworkplatformstoperformsaferepairoperations.
(9)Toavoidbackinjury,useahoistwhenliftingcomponentswhichweigh20kg(45lbs)ormore.Make sureallchains,hooks,slings,etc.,areingoodconditionandarethecorrectcapacity.Besurehooks arepositionedcorrectly.Liftingeyesarenottobe sideloadedduringaliftingoperation.
(10)Toavoidburns,bealertforhotpartsonmachines whichhavejustbeenstoppedandhotfluidsin lines,tubesandcompartments.
(11)Becarefulwhenremovingcoverplates.Gradually backoffthelasttwocapscrewsornutslocatedat oppositeendsofthecoverordeviceandcarefully prycoverloosetorelieveanyspringorotherpressure,beforeremovingthelasttwocapscrewsor nutscompletely.
(12)Becarefulwhenremovingfillercaps,breathersand plugsonthemachine.Holdaragoverthecapor plugtopreventbeingsprayedorsplashedbyliquidsunderpressure.Thedangerisevengreaterif themachinehasjustbeenstoppedbecausefluids canbehot.
(13)Alwaysusethepropertoolsthatareingoodconditionandthataresuitedforthejobathand.Besure youunderstandhowtousethembeforeperforming anyservicework.
(14)Reinstallallfastenerswiththesamepartnumber. Donotusealesserqualityfastenerifreplacements arenecessary.
(15)Repairswhichrequireweldingshouldbeperformedonlywiththebenefitoftheappropriatereferenceinformationandbypersonneladequately trainedandknowledgeableinweldingprocedures. Determinetypeofmetalbeingweldedandselect correctweldingprocedureandelectrodes,rodsor wiretoprovideaweldmetalstrengthequivalentat leasttothatoftheparentmetal.Makesuretodisconnectbatterybeforeanyweldingproceduresare attempted.
(16)Donotdamagewiringduringremovaloperations. Reinstallthewiringsoitisnotdamagednorwillbe damagedinoperationofthemachinebycontacting sharpcorners,orbyrubbingagainstsomeobjector hotsurface.Donotconnectwiringtoalinecontainingfluid.
(17)Besureallprotectivedevicesincludingguardsand shieldsareproperlyinstalledandfunctioningcorrectlybeforestartingarepair.Ifaguardorshield mustberemovedtoperformtherepairwork,use extracautionandreplacetheguardorshieldafter repairiscompleted.
(18)Themaintenanceandrepairworkwhileholdingthe bucketraisedisdangerousduetothepossibilityof afallingattachment.Dontfailtolowertheattachmentandplacethebuckettothegroundbefore startingthework.
(19)Looseordamagedfuel,lubricantandhydraulic lines,tubesandhosescancausefires.Donotbend orstrikehighpressurelinesorinstalloneswhich havebeenbentordamaged.Inspectlines,tubes andhosescarefully.Donotcheckforleakswith yourhands.Verysmall(pinhole)leakscanresultin ahighvelocityoilstreamthatwillbeinvisibleclose tothehose.Thisoilcanpenetratetheskinand causepersonalinjury.Usecard-boardorpaperto locatepinholeleaks.
(20)Tightenconnectionstothecorrecttorque.Make surethatallheatshields,clampsandguardsareinstalledcorrectlytoavoidexcessiveheat,vibration orrubbingagainstotherpartsduringoperation. Shieldsthatprotectagainstoilsprayontohotexhaustcomponentsineventofaline,tubeorseal failuremustbeinstalledcorrectly.
(21)Donotoperateamachineifanyrotatingpartis damagedorcontactsanyotherpartduringoperation.Anyhighspeedrotatingcomponentthathas beendamagedoralteredshouldbecheckedfor balancebeforereusing.
(22)Becarefulwhenservicingorseparatingthetracks (crawlers).Chipscanflywhenremovingorinstallingatrack(crawlers)pin.Wearsafetyglassesand longsleeveprotectiveclothing.Tracks(crawlers) canunrollveryquicklywhenseparated.Keepaway fromfrontandrearofmachine.Themachinecan moveunexpectedlywhenbothtracks(crawlers) aredisengagedfromthesprockets.Blockthemachinetopreventitfrommoving.
NOTE:
ThisManualispreparedasatechnicalmaterialin whichtheinformationnecessaryforthemaintenance andrepairingservicesofourhydraulicexcavatorsare collected,andiscategorizedinto7Chapters,Specification,Maintenance,System,Disassembly,Troubleshooting,Engine,andInstallationProceduresfor OptionalAttachment.
TheChapter"Specification"describesthespecificationsforentiremachineandmaterial,whichare instructiveforreplacementandrepairingofattachments.
TheChapter"Maintenance"describesthematerial, whichishelpfulformaintenanceserviceandadjustmentsforentiremachine.
TheChapter"System"describestheoperatingsystemlikehydraulicsystem,electricsystem,components,andsoon.
TheChapter"Disassembly"describestheremoval andinstallingofassemblymountedontheupper structureandundercarriage,andtheassembling anddisassemblingoftheassociatedhydraulic equipment.
TheChapter"Troubleshooting"describeshowto findthefaultequipment.
TheChapter"Engine"describestheenginesmakinguseofthe"MaintenanceManual"providedby thesuppliers.
TheChapter"InstallationProceduresforOptional Attachment"describesthesupplementsaddedon requestasrequired.
ThisManualmaybeproperlyrevisedduetotheimprovementofproducts,modificationofspecifications, etc.Andtherearecaseswherethesystemonactual machineandapartofthecontentsofthismanualmay differduetothevariationsofspecificationbycountries. Forthesectioninwhichthedescriptionishardlyunderstood,contactourdistributor.
Thenumberisassignedtoeveryparthandledinthis Manualonaccountofthedescription,buttheparts, whichcannotbesuppliedasservicepartsarecontained.Therefore,theordermustbeplacedwithrespectiveformalnumberwithdueconfirmationonthe PartsManualforapplicablemachine.
1.OUTLINE
TABLEOFCONTENTS
1.1GENERALPRECAUTIONSFORREPAIRS........................................................1-3
1.1.1PREPARATIONBEFOREDISASSEMBLING..............................................1-3
1.1.2SAFETYINDISASSEMBLINGANDASSEMBLING...................................1-3
1.1.3DISASSEMBLINGANDASSEMBLINGHYDRAULICEQUIPMENT..........1-4
1.1.4ELECTRICALEQUIPMENT........................................................................1-6
1.1.5HYDRAULICPARTS....................................................................................1-7
1.1.6WELDINGREPAIR......................................................................................1-7
1.1.7ENVIRONMENTALMEASURE...................................................................1-7
1.2INTERNATIONALUNITCONVERSIONSYSTEM(BasedonMARKS'STANDARD HANDBOOKFORMECHANICALENGINEERS)................................................1-8
1.1.1PREPARATIONBEFOREDISASSEMBLING
(1)Understandingoperatingprocedure
ReadOPERATOR'SMANUALcarefullytounderstandtheoperatingprocedure.
(2)Cleaningmachines
Removesoil,mud,anddustfromthemachinebeforecarryingitintotheserviceshoptopreventlossofwork efficiency,damageofparts,anddifficultyinrustpreventionanddustprotectionwhilereassembling.
(3)Inspectingmachines
Identifythepartstobedisassembledbeforestartingwork,determinethedisassemblingprocedurebyyourself consideringtheworkshopsituationsetc.,andrequestprocurementofnecessarypartsinadvance.
(4)Recording
Recordthefollowingitemsforcommunicationandpreventionofrecurringmalfunction.
1.Inspectiondateandplace.
2.Modelname,applicablemachinenumber,andhourmeterread.
3.Troublecondition,placeandcause.
4.Visibleoilleakage,waterleakageanddamage.
5.Cloggingoffilters,oillevel,oilquality,oilcontaminationandlooseningofconnections.
6.Resultofconsiderationifanyproblemexistsbasedontheoperationratepermonthcalculatedfromhourmeter indicationafterthelastinspectiondate.
(5)Arrangementandcleaninginserviceshop
1.Toolsrequiredforrepairwork.
2.Preparespacetoplacethedisassembledparts.
3.Prepareoilcontainersfordrainingoiletc.
1.1.2SAFETYINDISASSEMBLINGANDASSEMBLING
(1)Wearappropriateclotheswithlongsleeves,safetyshoes,safetyhelmetandprotectiveglasses.
(2)Suspendwarningtag"DONOTOPERATE"fromthedoorknobortheoperatinglever,andhaveapreliminary meetingbeforestartingwork.
(3)Stoptheenginebeforestartinginspectionandmaintenancetopreventtheoperatorbeingcaughtinmachine.
(4)Identifythelocationofafirst-aidkitandafireextinguisher,andalsowheretomakecontactinastateof emergency.
(5)Chooseahard,levelandsafeplace,andplacetheattachmentonthegroundsecurely.
(6)Usealiftersuchasacranetoremoveheavyparts(20kg[45lbs]ormore)fromthemachine.
(7)Usepropertools,andreplaceorrepairdefectivetools.
(8)Supportthemachineandattachmentwithsupportsorblocksiftheworkisperformedintheliftedcondition.
1.1.3DISASSEMBLINGANDASSEMBLINGHYDRAULICEQUIPMENT
(1)Removinghydraulicequipment
1.Beforedisconnectingpipes,releasethehydraulicpressureofthesystem,oropenthereturnsidecoverand takeoutthefilter.
2.Carefullydrainoiloftheremovedpipesintoacontainerswithoutspillingonthefloor.
3.Applyplugsorcapsonthepipeendstoavoidoilspillageanddustintrusion.
4.Cleanofftheexternalsurfaceoftheequipmentbeforedisassembling,anddrainhydraulicandgearoilbefore placingitontheworkbench.
(2)Disassemblinghydraulicequipment
1.Donotdisassemble,reassembleormodifythehydraulicequipmentwithoutthepermissionofthemanufacturer, whoisnotresponsiblefortheperformanceandfunctionoftheproductaftermodification.
2.Whendisassemblingandreassemblingforunavoidablereason,refertheworktoqualifiedpersonnelwhohave thespecificknowledgeorcompletedthepartsservicetraining.
3.Providematchingmarkstofacilitatereassemblingwork.
4.Beforestartingthework,readthemanualofdisassemblingprocedure,ifitisprovided,anddecidewhetherthe workcanbeperformedbyyourself.
5.Usethespecialjigandtoolswithoutfailiftheyarespecified.
6.Ifitishardtoremoveapartaccordingtotheprocedure,donottryitbyforcebutinvestigatethecause.
7.Placetheremovedpartsinorderandattachtagstofacilitatethereassembling.
8.Notethelocationandquantityofpartscommonlyappliedtomultiplelocations.
(3)Inspectingparts
1.Ensurethatthedisassembledpartsarefreefromseizure,interferenceandunevencontact.
2.Measureandrecordwearconditionofpartsandclearance.
3.Iftheproblemisfoundinapart,repairorreplaceitwithanewone.
(4)Reassemblinghydraulicequipment
1.TurnONtheventilationfanoropenwindowstomaintaingoodventilationpriortostartingthecleaningofparts.
2.Performroughandfinishcleaningbeforeassembling.
3.Removewashingoilbyairandapplycleanhydraulicorgearoilforassembling.
4.AlwaysreplacetheremovedO-rings,backupringsandoilsealswithnewonesbyapplyinggreaseinadvance.
5.Removedirtandmoisturefromandperformdegreasingonthesurfacewhereliquidgaskettobeapplied.
6.Removerustpreventiveagentfromthenewpartsbeforeuse.
7.Fitbearings,bushingsandoilsealsusingspecialjigs.
8.Assemblethepartsutilizingmatchingmarks.
9.Ensureallthepartsarecompletelyassembledafterthework.
(5)Installinghydraulicequipment
1.Ensurehydraulicoilandlubricantareproperlysupplied.
2.Performairbleedingwhen:
a.Hydraulicoilchanged
b.Partsofsuctionsidepipingreplaced
c.Hydraulicpumpinstalled
d.Slewingmotorinstalled
e.Travelmotorinstalled
f.Hydrauliccylinderinstalled
3.Performairbleedingofthehydraulicpumpandslewingmotorafterlooseningtheupperdrainplug,startingthe engineandkeepitinlowidlecondition.
Completetheairbleedingwhenseepingofhydraulicoilisrecognized,andtightlyplug.
4.Performairbleedingofthetravelmotorandthehydrauliccylindersbyrunningtheengineformorethan5 minutesatlowspeedwithoutload.
5.Performairbleedingofpilotlinebyperformingaseriesofdigging,slewingandtravel.
6.Checkhydraulicoillevelafterplacingtheattachmenttotheoilcheckposition,andreplenishoilifnecessary.
Operationofthehydraulicequipmentwithoutfillinghydraulicoilorlubricantorwithoutperformingairbleedingwill resultindamagetotheequipment.
Donotallowthehydrauliccylindertobottomonthestrokeendjustafterthemaintenance.
1.1.4ELECTRICALEQUIPMENT
(1)Donotdisassembleelectricalequipment.
(2)Handleitcarefullynottodropandgiveashock.
(3)TurnthekeyOFFpriortoconnectinganddisconnectingwork.
(4)Disconnecttheconnectorbyholdingitandpressingthelock.Donotpullthewiretoapplyforcetothecaulking portion.
(5)Connecttheconnectorandensureitiscompletelylocked.
(6)TurnthekeyOFFpriortotouchingtheterminalofstarterorgenerator.
(7)Removetheground(earth)terminalofbatterywhenhandlingtoolsaroundthebatteryoritsrelay.
(8)Donotsplashwaterontheelectricalequipmentandconnectorsduringmachinewashing.
(9)Checkformoistureadhesioninsidethewaterproofconnectorafterpullingitout,sinceitishardtoremove moisturefromtheconnector. Ifmoistureadhesionisfound,dryitcompletelybeforetheconnection.
Batteryelectrolyteishazardous.
Batteryelectrolyteisdilutesulfuricacid.Exposureofskinoreyestothisliquidwillcauseburningorlossof eyesight.
Iftheexposureoccurs,takethefollowingemergencymeasuresandseektheadviceofamedicalspecialist.
-Whenskinexposed: Washwithwaterandsoapsufficiently.
-Wheneyesexposed: Immediatelywashawaywithcitywatercontinuouslyformorethan10minutes.
-Whenalargeamountoftheliquidflowsout: Neutralizewithsodiumbicarbonateorwashawaywithcitywater.
-Whenswallowed: Drinkalargeamountofmilkorwater.
-Whenclothesexposed: Immediatelyundressandwash.
1.1.5HYDRAULICPARTS
(1)O-ring
EnsureO-ringshaveelasticityandarenotdamagedbeforeuse.
UsetheappropriateO-rings.O-ringsaremadeofvariouskindsofmaterialshavingdifferenthardnesstoapply toavarietyofparts,suchasthepartformovingorfixedportion,subjectedtohighpressure,andexposedto corrosivefluid,evenifthesizeissame.
FittheO-ringswithoutdistortionandbend.
Alwayshandlefloatingsealsasapair.
(2)Flexiblehose(Fhose)
Usetheappropriateparts.Differentpartsareuseddependingontheworkingpressureeventhesizeoffitting andthetotallengthofthehoseissame.
Tightenthefittingatthespecifiedtorque.
Ensurenokink,tension,interferencenoroilleakageisrecognized.
1.1.6WELDINGREPAIR
(1)Referrepairweldingtoqualifiedpersonnelaccordingtotheappropriateprocedure.
(2)Disconnecttheground(earth)cableofthebatterybeforestartingtherepair. Failuretodosowillcausedamagetotheelectricalequipment.
(3)Moveawaythearticlesinadvancethatmaycausefireifexposedtosparks.
(4)Beforestartingtherepairoftheattachment,donotfailtocovertheplatedsurfaceofthepistonrodwith flameproofsheettopreventitfrombeingexposedtosparks.
1.1.7ENVIRONMENTALMEASURE
(1)Runtheengineattheplacethatissufficientlyventilated.
(2)Industrialwastedisposal
Disposeofthefollowingpartsaccordingtotherelevantregulations: Wasteoilandwastecontainer Battery
(3)Precautionsforhandlinghydraulicoil
Exposureofeyestohydraulicoilwillcauseinflammation.Wearprotectiveglassesbeforehandlingtoavoidan accident.Ifaneyeisexposedtotheoil,takethefollowingemergencymeasures: -Whenaneyeexposed: Immediatelywashawaywithcitywatersufficientlytillstimulativefeelingvanishes. -Whenswallowed: Donotletvomit,andreceivemedicaltreatmentimmediately. -Whenskinexposed: Washwithwaterandsoapsufficiently.
(4)Others
Usereplacementpartsandlubricantsauthorizedasthemanufacturer'sgenuineparts.
1.2INTERNATIONALUNITCONVERSIONSYSTEM(BasedonMARKS' STANDARDHANDBOOKFORMECHANICALENGINEERS)
Introduction
AlthoughthismanualincludesInternationalSystemofUnit andFoot-PoundSystemofUnits,ifyouneedSIunit,refer tothefollowinginternationalsystemofunits. Givenhereinafterisanexcerptoftheunitsthatarerelated tothismanual.
1.EtymologyofSIUnites
French:LeSystemeInternationald'Unites
English:InternationalSystemofUnits
2.ConstructionofSIUnitSystem
2.SPECIFICATIONS
TABLEOFCONTENTS
2.1COMPONENTSNAME........................................................................................2-3
2.2MACHINEDIMENSIONS.....................................................................................2-4
2.3SPECIFICATIONSANDPERFORMANCE..........................................................2-5
2.4MACHINE&COMPONENTSWEIGHT(DRY)....................................................2-6
2.5TRANSPORTATION.............................................................................................2-8
2.6TYPEOFCRAWLERSHOES.............................................................................2-11
2.7TYPEOFBUCKET..............................................................................................2-12
2.8ENGINESPECIFICATIONS.................................................................................2-13
2.8.1SPECIFICATIONS.......................................................................................2-13
2.8.2ENGINEPERFORMANCECURVE.............................................................2-14
2.1COMPONENTSNAME
ARM
BUCKET ARMCYLINDER
BUCKETCYLINDER
BOOMCYLINDER
DOZERCYLINDER
DOZER
SHOE
FRONTIDLER
IDLERADJUST
LOWERROLLER
CONTROLVALVE
BUCKETLINK
SWINGCYLINDER
FUELTANK
OILCOOLER
AIRCLEANER
BATTERY
ENGINE
COUNTERWEIGHT GUARD
SLEWINGBEARING
SLEWINGMOTOR
HYDRAULICPUMP
TRAVELMOTOR
IDLERLINK BOOM
CANOPY
HYDRAULICTANK
2.SPECIFICATIONS
2.2MACHINEDIMENSIONS
(1)CANOPY
(2)CAB
2.3SPECIFICATIONSANDPERFORMANCE
(1)SPEEDANDGRADEABILITY
ItemRubbercrawlerbeitIroncrawlershos SlewingSpeed8.6min-1(8.6rpm)
TravelSpeed Low(1st)High(2nd)Low(1st)High(2nd)
Gradeability58%(30°)
(2)ENGINE
Model(MITSUBISHI)L3E-W431KBS
TypeWater-cooled,4-cycletypeSwirlchambertypedieselengine
Numberofcylinders-Bore×Stroke3-76mm×70mm(3-2.99"×2.76")
TotalDisplacement952ml(58.1cu-in)
OutputRating11.3kW/2,200min-1(15.4PS/2,200rpm)
MaximumTorque53.5N-m/1,800min-1(39.4lbf-ft/1,800rpm)
StartingMotor12V×1.7kW
Generator12V×40A
(3)HYDRAULICCOMPONENTS
HydraulicPumpTandemvariabledisplacementpistonpumps HydraulicMotorAxialpiston
HydraulicMotorw/Reducer(Travel)Variabledisplacementaxialpiston,2-Speedmotor ControlValve11-spoolvalve
Cylinder
(Boom,Arm,Swing,Bucket,Dozer,Crawler)
Doubleactioncylinder
ReturnFilterSafetyvalvecontaining/FilterType(ß108)
(4)SIDEDIGGING&DOZER
TypeBoomswingbyhydrauliccylinder
BoomSwingAngle
Right55°
Left65°
Dozerbladetravel(up/down)280mm/270mm(11.0in/10.6in)
2.4MACHINE&COMPONENTSWEIGHT(DRY)
1UPPERFRAMEASSEMBLY (Assemblyoffollowing:)
1.1UPPERFRAME
1.2CANOPY/CAB
1.3ENGINE
1.4HYDRAULICPUMP
1.5RADIATOR
1.6HYDRAULICTANK
1.7FUELTANK
1.8SWINGBRACKET
1.9SWINGCYLINDER
1.10SLEWINGMOTOR
1.11CONTROLVALVE
1.12COUNTERWEIGHT
1.13GUARD-BONNET
1.14BOOMCYLINDER
2LOWERFRAMEASSEMBLY (Assemblyoffollowing:)
2.1LOWERFRAME
2.2SLEWINGBEARING
2.3TRAVELMOTOR
2.4LOWERROLLER
2.5FRONTIDLER
2.6IDLERADJUSTER
2.7SPROCKET
2.8RUBBERSHOE
2.9IRONSHOE
2.10SWIVELJOINT
2.11DOZER
2.12DOZERCYLINDER
3ATTACHMENTASSEMBLY (Assemblyoffollowing:)
3.1BOOMASSEMBLY
3.1.1BOOM
3.1.2ARMCYLINDER
3.2ARMASSEMBLY
3.2.1ARM(Standard)
3.2.2BUCKETCYLINDER
3.2.3BUCKETLINK
3.2.4IDLERLINK
3.3BUCKETASSEMBLY(Standard)
4FLUIDS(Assemblyoffollowing:)
4.1HYDRAULICOIL
4.2ENGINEOIL
4.3FUEL
4.4COOLINGWATER
796(1,760)
150(331)
77(170)
*71(157)
*14(31)
2(4)
*18(40)
*3(7)
33(73)
*16(35)
*23(51)
*23(51)
120(265)
22(49)
*17(37)
595(1,310)
213(470)
17(37)
*17(37)X2 4(9)X6 14(31)X2
8(18)X2 5(11)X2
58(128)X2*12(26) 74(163)
*10(22)
190(419)
81(179)
60(132)
*18(40)
60(132)
38(84)
*12(26)
5(11)
2(4)X2
35(77)
38(84) 13(29) 3(7) 18(40) 4(9)
906(2,000)
796(1,760)
Unit:kg(lbs)
1.Marksshowdryweight 2.BucketweightisshownwithJapanesestandardbucketweight.
2.SPECIFICATIONS
2.5TRANSPORTATION
(1)LOADINGMACHINEONATRAILER
1.Keeptrailerbedclean.Putchocksagainsttruckwheels.
2.Usearamporloadingdeck.Rampsmustbestrongenough,havealowangle,andcorrectheight.Loadand unloadmachineonalevelsurface.
3.Travelmachineontorampsslowly.Centerthemachineoverthetrailer.
4.Lowerallattachment.
5.Stopengine.Removekeyfromswitch.
Donotputchainsoveroragainsthydrauliclinesorhoses.
6.Fastenmachinetotrailerwithchainsorcables.
Duringtransportation,thebucketorattachmentsmayhitthecanopyorthecab.Therefore,setthemachinein thetransportingpositionbyobservingfollowingpoints:
a. Extendthebucketcylinderfully.
b. Extendthearmcylinderfully.
c. Lowertheboom.
d. Ifmachinecannotbetransportedwitharmcylinderfullyextended,removebucketorattachmentandextend armcylinder.
(2)TRANSPORTATIONDIMENSIONANDWEIGHTOFATTACHMENT
1.BOOMWITHARMCYLINDER
LXHXW mm(ft-in)
1,820X650X300 (5'11.7"X2'1.6"X11.8")
Weightw/armcyl.kg(lbs)78(172)
2.ARM&BUCKET(Japanesestandardbucket)
LXHXW mm(ft-in)
1,750X350X450 (5'8.9"X1'1.8"X1'5.7")
Weightkg(lbs)100(221)
3.ARM
LXHXW mm(ft-in)
1,260X330X250 (4'1.6"X1'1.0"X9.8")
Weightkg(lbs)61(135)
4.BUCKET(Japanesestandardbucket)
Heapedcapacity
m3(cu-yd)
LXHXW mm(in)
0.044(0.058)
550X440X450 (1'9.6"X1'5.3"X1'5.7")
Weightkg(lbs)35(77)
5.DOZERw/ocylinderweight
LXHXW; Ret/Expmm(in)
910X250X1,320/990 (2'11.6"X9.8"X4'4.0"/3'3.0")
Weightkg(lb)74(163)