New Holland LM1340, LM1440, LM1740 Telehandlers Service Repair Manual

Page 1


LM1340 LM1440

ServiceManual

PrintN.603.67.010.02(I--2004)

THISALERTSYMBOLSIGNALSIMPORTANTMESSAGESINVOLVINGYOURSAFETY.

Readandheedcarefullythesafetyinstructionslistedandfollowtheprecautionsrecommendedtoavoid potentialrisksandtosafeguardyourhealthandyoursafety.

YouwillfindthissymbolinthetextofthisManualreferredtothefollowingkeywords:

WARNING --Cautionsdirectedtoavoidimproperrepairinterventionsinvolvingpotentialconsequencesfor theoperator’ssafety.

DANGER --Thesewarningsqualifyspecificallypotentialdangersforthesafetyoftheoperatororother personsdirectlyorindirectlyinvolved.

IMPORTANTNOTICE

AllmaintenanceandrepairinterventionsexplainedinthisManual mustbeperformedexclusivelybytheService OrganizationoftheManufacturer,observingstrictlytheinstructions explainedusing,whenevernecessary,the recommendedspecifictools.

Whoeverperformstheoperationsreportedwithoutfollowingexactlytheprecautionsisresponsibleonhisown,for thedamagesthatmayresult.

NeithertheFactorynoranyOrganizationsinitsDistribut ionNetwork,includingbutnotlimitedtonational,regional orlocaldistributors,areresponsibleforanyliabilityarisingfromanydamageresultingfromdefectscausedbyparts and/orcomponentsnotapprovedbytheFactoryforuseinmaintainingand/orrepairingproductsmanufacturedor merchandizedbytheFactory.

Inanycase,nowarrantyofanykindismadeorshallbeimposedwithrespecttoproductsmanufacturedor merchandizedbytheFactory,whenfailuresarecaused bytheuseofpartsand/orcomponentsnotapprovedbythe Factory.

AVOIDACCIDENTS

Mostaccidentsandinjuriesoccurringinindustry,onthefarm,athomeorontheroad,arecausedbythefailureof someindividualtofollowsimpleandfundamentalsafetyrulesorprecautions.Forthisreason,MOST ACCIDENTSCANBEPREVENTEDbyrecognizingtherealcauseandtakingthenecessaryprecautions,before theaccidentoccurs.

Regardlessofthecareusedindesignandconstructionofanytypeofequipment,theremaybeconditionsthat cannotbecompletelysafeguardedagainstwithoutinterferingwithreasonableaccessibilityandefficient operation.

Acarefuloperatoristhebestinsuranceagainstaccidents. Thecompleteobservanceofonesimplerulewould preventmanythousandsseriousinjurieseachyear.

Thisruleis:Neverattempttoclean,lubricateoradjustamachinewhileitisinmotion.

WARNING

Onmachineshavinghydraulically,mechanicallyand/orcablecontrolledequipment(suchasshowels, loaders,dozers,scrapersetc.)becertaintheequipmentisloweredtothegroundbeforeservicing, adjustingand/orrepairing. Ifitisnecessarytohavetheequipmentpartiallyorfullyraisedtogainaccesstocertainitems,besure theequipmentissuitablysupportedbymeansotherthanthehydraulicliftcylinders,cableand/or mechanicaldeviceusedforcontrollingtheequipment.

MODELCODES

Thecompleterangeoftelescopichandlers(Telehandler)describedinthismanualisidentifiedinthetextby referencetothemaximumextensionofthetelescopicarm.

Thevehicleslistedbelowmaynotbeavailableinallcountriesormarkets,thereforeforthelatestinformation consultyourauthoriseddealer.

SECTION55--ELECTRICALSYSTEM

Diagram6:Lights/Windscreenwiper64

Diagram7:Worklamps/Roofbeaconlight66

Diagram8:Tiltingpreventionsystem/Roofwiper68

GENERALINSTRUCTIONS

IMPORTANTNOTICE

AllmaintenanceandrepairinterventionslistedinthisManualmustbeperformedexclusivelybytheService NetworkoftheManufacturer,complyingstrictlywiththeindicationshereinandusing,whenrequired,the prescribedspecialtools. Whoeverperformsserviceoperationsdescribedhereinwithoutcomplyingstrictlywiththeinstructionsbecomes solelyresponsibleforanyconsequentialdamagethatcouldoccur.

ADJUSTINGSHIMS

Foreachadjustmentselecttheadjustingshims,measuringthemonebyonewithamicrometerandaddingto gethersubsequently,thevaluesmeasured.Donotrelyonthemeasurementoftheentirepack,thatcouldbe wrong,orthenominalvalueindicatedoneachring.

SEALSFORROTATINGSHAFTS

Forcorrectinstallationofthesealsforrotatingshafts,pleasecomplywiththefollowingprecautions: --priortoinstallation,keepthesealssoakingforatleasthalfanhourinthesameoiltheyaregoingtoseal; --cleanthoroughlytheshaftandmakesurethatitsworkingfaceisundamaged; --directthesealingliptowardthefluid;intheeventthelipisofthehydrodynamictype,thegroovesmustbe directedsothat,inrelationtotherotatingdirectionoftheshaft,theytendtoreturnthefluidtowardtheinside ofthesealingdevice; --smearthesealinglipwithafilmoflubricant(oiltobepreferredtogrease)andfillwithgreasethegapbetween sealinglipanddustlipintwinlipseals;

--insertthesealinitsseat,pressingitwithapunchwithaflatface;neverstrikeitwithahammerormallet; --whenpressingintheseal,makesurethatitisinsertedperpendicularlyinrelationtotheseatand,oncein position,makesurethat,whenrequired,itcontactstheshoulder;

--topreventthesealinglipofthesealbeingdamagedbytheshaft,insertappropriateprotectionduringthe installationofthetwoparts.

“0--RING”TOROIDALSEALS

LubricateO--ringsbeforeinsertingthemintherelevantseatstopreventthembecomingtwistedandrolledduring installation,thusjeopardisingtheirsealingcapacity.

SELAINGCOMPOUNDS

MatingsurfacemarkedXmustbesmearedwithasealingcompoundrecommendedbytheManufactureroran adequateequivalent.

Priortoapplyingthecompound,preparethesurfacesinthefollowingmanner: --removeallpossiblescalingwithametalbrush; --degreasethesurfacesthoroughlyusingthedegreesingagentrecommendedbytheManufactureroran adequateequivalent.

BEARINGS

Wheninstallingbearings,itisrecommendedto: --warmthemupto80° –90 °C(176–194 °F)beforeinstallingthemontherelevantshafts; --coolthemdownbeforeinsertingthemintherelevantseatswithanouterfitting.

SPLITPINS

Wheninstallingsplitpins,makesurethatthecutispointinginthedirectionoftheloadonthepin. Ontheotherhand,spiralelasticpinsdonotrequireanyinstallationorientation.

NOTESONSPAREPARTS

Usegenuine sparepartsguaranteedbytheManufacturer only. Genuinesparepartsaretheonlyonesensuringthesamequality,thesamelifeandthesamesafetyasthe originallymountedparts,sincetheyarethesameastheonesinstalledinproduction. Onlygenuinepartsfromthemanufacturerensurethisguarantee. Ordersforsparepartsmustincludethefollowingindications: --modelofthevehicle(commercialdesignation)andserialnumber; --typeandnumberoftheengine; --partnumberfortheitemordered,asprovidedbythe“Microfiches”orthe“SparePartCatalogue”,onwhich theorderisbased.

NOTESONTOOLING

ThetoolingthattheManufacturerrecommendsandillustratesinthisManualis: --studiedanddesignedspecificallyforservicingvehiclesofthisrange; --requiredtoensureareliablerepair; --accuratelydevelopedandinspectedtoprovideeffectiveandlonglastingworking. Youarealsoremindedthatcorrecttoolingallowsyouto: --tooperateunderoptimisedtechnicalconditions; --toachievethebestresults; --tosavetimeandeffort; --toworkinsaferconditions.

WARNING

Thewearlimitsprovidedforsomeitemsmustbeconsideredasrecommendedvalues,butnotabsolutelybinding. Theindications“front”,“rear,“right”,“left”refertodifferentpartsasseenseatingfromintheoperator’sseat orientedinthenormaltraveldirectionofthevehicle.

HOWTOMOVEAVEHICLEWITHOUTBATTERIES

Thecablesoftheexternalpowersupplymustbeconnectedexclusivelytotherespectiveterminalsofthepositive andnegativecablesofthevehicle,usingefficientclampsprovidingadequateandsafecontact.Intheeventit isnecessarytochecktheoperationoftheelectricalsystemofthevehicle,doitexclusivelywiththepowersupply connected.Attheendoftheinspection,disconnectallactuatorsanddeactivatethepowersupplybefore disconnectingthecables.

SAFETYRULES

PAYATTENTIONTOTHISSYMBOL

Thisalertsymbolannouncesimportantmessagesinvolvingyoursafety. Readcarefullythesafetyinstructionslistedandfollowtheprecautionsrecommended toavoidpotentialrisksandtosafeguardyourhealthandyoursafety. YouwillfindthissymbolinthetextofthisManualwiththefollowingkeywords:

WARNING --Cautionsintendedtoavoidimproperrepairinterventionsinvolving potentialconsequencesforthesafetyofthepersonnelperformingtherepairs.

DANGER --Thesewarningsqualifyspecificallypotentialdangersforthesafetyofthe operatororotherpersonsdirectlyorindirectlyinvolved.

AVOIDACCIDENTS

Mostaccidents,whethertheyoccurinworkshop,on thefarm,athomeorontheroad,arecausedbythe failureofsomeindividualstofollowsimpleandfundamentalsafetyrulesandprecautions.ForthisreasonMOSTACCIDENTSCANBEPREVENTEDby recognisingtherealcauseanddoingsomething aboutitbeforetheaccidentoccurs.

Regardlessofthecareusedinthedesignandconstructionofanytypeofequipment,therearemany conditionsthatcannotbecompletelysafeguarded againstwithouthinderingreasonableaccessibility andefficientoperation.

Acarefuloperatoristhebestinsuranceagainstan accident.

Thecompleteobservanceofonesimplerulewould preventmanyseriousaccidents.

DANGER. Neverattempttoclean,lubricateormaintainamachinewhileitisinmotion.

SAFETYRULES

SAFETYRULES

◊ Readandheedallsafetyrulesbeforeanyintervention.

◊ Donotwearrings,wristwatches,jewellery,and looseorhangingapparels,suchasties,torn clothing,scarves,unbuttonedorunzipped jacketsthatcancatchonmovingparts.Wear propersafetyequipmentasrecommendedfor thejob.Examples:hardhat,heavygloves,ear protection,safetyglassesorgoggles,reflector vests,respirator.Consultyouremployerforspecificsafetyequipmentrequirements.

◊ Donotperformanyserviceoperationonthe machinewithapersonseatedintheoperator’s compartment,unlessheisanauthorisedoper-

atorco--operatingintheoperationtobeperformed.

◊ Neverattempttooperatethemachineoritstools fromanypositionotherthanseatedintheoperator’sseat.

◊ Neverperformanyinterventiononthemachine withenginerunningunlessthisisprescribed.

◊ Cut--offtheengineandmakesurethatallpressuresinthehydraulicsystemsarereleased beforeremovingcaps,covers,valvesetc.

◊ Allserviceinterventionsmustbeperformedwith theutmostcareandattention.

◊ Shopand/orfieldserviceplatformsorladders mustbeconstructedandmaintainedinaccordancewithlocalandnationalregulations.

◊ Disconnectthebatteriesandtagallcontrolsto signalthataninterventionisinprogress.Block themachineandallequipmentthatmustbe lifted.

◊ Donotchecknorrefillfueltanks,aswellasbatteries,norusestartingfluidwhilesmokingor nearopenflamessincethesefluidsareflammable.

◊ Brakesareinactivewhenmanuallyreleasedfor serviceinterventions.Undersuchcircumstancesitisnecessarytomaintainthecontrolof themachineusingappropriateblocksorsimilar devices.

◊ Thefuel--fillingnozzlemustbekeptconstantly insidethefillingneck.Keepthiscontactfromthe beginningtotheendofthefuellingoperationto avoidthepossibilitythatsparksduetostatic electricityaregenerated.

◊ Useonlydesignatedtowingorattachingpoints. Usecareinmakingattachments.Makesurepins and/orlocksaresecurebeforepulling.Stayclear ofdrawbars,cablesorchainsunderload.

◊ Tomoveadisabledmachine,useatrailerora low--boy,ifavailable.

◊ Toload/unloadamachinefromtransporter, choosealevelsurfaceensuringfirmsupportto thewheelsoftruckortrailer.Anchorthemachine securelytothebedoftruckortrailerandblock wheelsortrackswithappropriatewedges.

◊ Useonlyapprovedgroundedauxiliarypower sourcesforheaters,chargers,pumpsandsimilarequipmenttoreducethehazardsofelectrical shocks.

◊ Liftandhandleheavypartswithaliftingdevice ofpropercapacity.

◊ Bewareofbystanders.

◊ Neverpourgasolineordieselfuelintoopen, wideandlowcontainers.

◊ Neverusegasoline,solventorotherflammable fluidtocleanparts.Useexclusivelyqualified, non--flammable,non--toxiccommercialsolvents.

◊ Whenusingcompressedairforcleaningparts, usesafetyglasseswithsideshieldsorgoggles.

◊ Limitpressureto2.1bar,inaccordancewith localandnationalregulations.

◊ Donotruntheengineinclosedareaswithout properventilationtoremovedeadlyexhaust fumes.

◊ Donotsmokeorpermitanyopenflamesorspark nearwhenre--fuellingorhandlingflammable materials.

◊ Donotuseanopenflameasalightsourceto lookforleaksorforinspectionanywhereonthe machine.

◊ Movewithextremecarewhenworkingunderthe machine,itsattachmentsandoronornear them.Alwayswearprotectivesafetyequipment asrequired,suchashardhat,goggles,safety shoes,earplugs.

◊ Whenperformingoperationsrequiringrunningof theengine,haveaqualifiedoperatorintheoperator’sseatatalltimeswiththemechanicon sight.Placethetransmissioninneutralandset thebrakesandsafetylock.

◊ Forfieldservice,movemachinetolevelground, ifpossible,andblockit.Ifworkonaninclineis absolutelynecessary,firstblockmachineandits attachmentssecurely,thanmoveittolevel groundassoonaspossiblewithacertainmargin ofsafety.

◊ Donottrustwornand/orkinkedchainsand cables:donotusethemforliftingorpullingoperations.Tohandlethem,alwaysuseheavy gloves.

◊ Besurechainsandcablesareanchoredandthe anchorpointsarestrongenoughtohandlethe expectedload.Keepexposedpersonnelclearof anchorpointsandcablesorchains.No bystandersareallowednearthehookingpoints, chainsorcables.

◊ Keeptheareawheremaintenanceoperations areperformedCLEANandDRY.Eliminate immediatelyallwaterandoilspillages.

◊ Donotpileupoilyorgreasyrags;theyrepresent afirehazard.Storeinaclosedmetalcontainer. Beforestartingmachine,check,adjustandlock theoperator’sseatformaximumcomfortand controlofthemachine.Besureexposed personnelintheareaofoperationareclearofthe machinebeforemovingitoritsattachments. Soundthehorn.

◊ Donotcarrylooseobjectsinpocketsthatmight fallunnoticedintoopencompartments.

◊ Wearproperprotectiveequipmentsuchas safetygogglesorsafetyglasseswithside shields,hardhat,safetyshoes,heavygloves whenmetalorotherparticlesareapttoflyorfall.

◊ Wearweldersprotectiveequipmentsuchas darksafetyglasses,helmets,protectiveclothing,glovesandsafetyshoes,whenweldingor burning.Weardarksafetyglassesnearwelding zones.DONOTLOOKATARCWITHOUT PROPEREYEPROTECTION.

◊ Steelcablesarefrayedafterprolongeduse; alwayswearappropriateprotections(heavy gloves,gogglesetc.).

◊ Handleallpartscarefully.Keephandsand fingersawayfromstructures,gearsormoving parts.Useandwearalwaystheappropriate protections,suchassafetygoggles,glovesand safetyshoes.

603.67.010.02 --01--2004

STARTING

◊ Donotruntheengineinclosedareaswithout properventilationtoremovedeadlyexhaust fumes.

◊ Donotplacehead,body,limbs,feet,handsor fingers,nearrotatingfansorbelts.Beespecially alertnearpusherfans.

ENGINE

◊ Loosentheradiatorcapveryslowly,torelease pressurefromthesystem,beforeremovingit.All coolantleveltop--upsmustbeperformedwith engineinoperativeoratlowidle,ifwarm

◊ Donotrunenginewhenrefuellingandusecare iftheengineishotduetotheincreasedpossibilityofafireiffuelisspilled.

◊ Neverattempttocheckoradjustfanbeltswhen engineisrunning.Donotadjustenginefuel pumpwhenmachineismoving.

◊ Neverlubricatethemachinewithenginerunning.

ELECTRICALSYSTEM

◊ Shouldboosterbatteriesbeused,rememberto connectbothendsoftheboostercablesinthe propermanner(+)with(+)and(--)with(--).Avoid short--circuitsoftheterminals.Followthoroughly theinstructionsofthisManual. Avoidshortcircuitingtheterminals.BATTERY GASISHIGHLYFLAMMABLE.Leavebattery boxopentoimproveventilationwhenrecharging batteries.Nevercheckchargebyplacingmetal objectsacrosstheposts.Keepsparksoropen flamesawayfrombatteries.Donotsmokenear batterytoguardagainstthepossibilityofcausing anexplosion.

◊ Beforeanyintervention,makesurethatthere arenofuelorelectrolyteleakages;eliminate thembeforeproceedingwithfurtherwork.

◊ Whenrechargingbatteriesinclosedambient, makesurethatthereisappropriateventilationto preventpossibleaccidentalexplosionsdueto theaccumulationofgasesgeneratedduringthe recharge.

◊ Beforeanyintervention,makesurethatthemain switchisOFF.

HYDRAULIC SYSTEM

◊ Fluidescapingunderpressurefromaverysmall holecanbealmostinvisibleandcanhavesufficientforcetopenetratetheskin.Useapieceof cardboardorwoodtosearchforsuspectedpressureleaks.DONOTUSEHANDS.Ifinjuredby escapingfluid,seeadoctoratonce.Serious infectionorreactioncandevelopifpropermedicaltreatmentisnotadministeredimmediately.

◊ Incasepressuresmustbemeasured,use instrumentsofadequatecapacity.Alwaysfollow therecommendedprocedures.

WHEELSANDTYRES

◊ Makesurethattheinflationpressureofthetyres isaccordingtothespecificationsissuedbythe Manufacturerandcheckitperiodically.

◊ Shouldthepressurebechanged,standonthe sideofthetyreatasafedistance.

◊ Pressurecheckoperationsmustbeperformed withunloadedmachineandcoldtyres.Never usereconditionedtyrerims,sinceeventual weldings,heat--treatmentsorrepairsnotperformedcorrectlycanweakenthewheel,thus causingsubsequentdamagesordangers.

◊ Donotperformtorchcuttingorweldingoperationsonrimswithinflatedtyresinstalled.

◊ Beforeoperatingontyres,blockallwheels,front andrear.Afterjackingthemachine,blockitwith standsaccordingtocurrentsafetyrulesand regulations.

◊ Beforeremovingobjectsfromthetyretread, deflateit.

◊ Neverinflatetyreswithflammablegas; explosionsandseriousbodilyinjuriesmay result.

REMOVALSANDINSTALLATIONS

◊ Liftandhandleallheavypartswithliftingdevices ofadequatecapacity.Makesuethattheparts areattachedtoliftingdevicesareproperly slinged.Usetheliftingeyesprovided.Bewareof personsinthevicinity.

◊ Handleallpartscarefully.Keephandsand fingersawayfromstructures,gearsormoving parts.Useandwearalwaystheappropriate protections,suchsgoggles,glovesandsafety shoes.

◊ Preventchainsandcablesfromkinking.To handlethem,alwaysuseheavygloves.

PRODUCTIDENTIFICATION

TheTelehandleranditsmaincomponentsareidentifiedbyvariousnumbersandlettersprovidingits identificationbytheServicenetwork.Thefollowing informationgivesthelocationoftheidentification plates,ofthenumbersstampedonthemachineand variousexamplesofwhatcanbefoundonthe machine.

VEHICLESERIALNUMBER

Theserialnumberisstampedonthefrontpartofthe machine,ontheuppersideofthemainframe,right side.

NOTE: Theserialnumberandtheidentification numberofthecomponentscanberequestedbythe DealerwhenSparePartsareorderedorinterventionsarerequired.Thesenumbersarealsorequired ashelpinidentifyingthemachineintheeventoftheft. Keeptheminasafeplace.

VEHICLEIDENTIFICATIONPLATES

Thevehicleidentificationplateislocatedontheleft sideoftheseatlocation.Recordherebelowthedata foryourmachine.

TECHNICALTYPE/MODEL

IDENTIFICATIONOFENGINE

Theidentificationdataoftheengineareontheleft sideoftheenginecylinderblock.Pleaserecordhere belowthesedataforeasierconsultation,when required.

MODELNO.

IDENTIFICATIONOFFRONTAXLE

Theserialnumberandtheaxletypeareindicatedon plate(1)locatedonthefrontsideoftheaxlehousing. Pleaserecordherebelowthedataindicatedfor fasterconsultationwhenrequired.

AXLETYPE

SERIALNO.

DATECODE

IDENTIFICATIONOF4x3POWERSHIFT

TRANSMISSION

Theserialnumberandthemodelareindicatedon plate(1)locatedonthelowersideofthetransmission.Pleaserecordherebelowthedataindicated forfasterconsultationwhenrequired.

MODELNO.

SERIALNO.

DATECODE TH001030 1 4

IDENTIFICATIONOFREAR TRANSMSSION

Theserialnumberisindicatedonplate(1)locatedon thelowersideofthereartransmission.Please recordherebelowthedataindicatedforfasterconsultationwhenrequired.

AXLETYPE

SERIALNO.

DATECODE

IDENTIFICATIONPLATESINTHECAB

Thecabidentificationplatecontainsaseriesof furtherdetailsanditislocatedontheleftrearsideof theseat.Pleaserecordherebelowthedataindicated forfasterconsultationwhenrequired.

SERIALNO.

DATECODE

Thedatarelativetotheengineareindicatedonthe conformityplatesinstalledtogetherwiththeCab Plate.Pleaserecordherebelowtheserialnumber indicatedforfasterconsultationwhenrequired.

SERIALNO.

DATECODE

603.67.010.02 --01--2004

TH001058

ENVIRONMENTALCONSIDERATIONS

Thefollowingrecommendationscanbeuseful:

• Becomefamiliarandmakesureyouhavewell understoodtherelevantlegislationineffectin yourcountry.

• Intheeventnoregulationsexist,askforspecific informationwiththesuppliersoflubricants,antifreezeanddetergentsregardingtheireffectson humansandtheenvironmentandhowtostore, handleanddisposeofthesesubstancessafely.

4.Avoidspillagewhendrainingusedcoolantmixtures,engineoils,transmissionandhydraulic fluids,brakefluid.Afterdraining,donotmix brakefluidorfuelwithlubricants.Storethemina riskfreemanneruntilwhentheycanbedisposed ofinanadequateway,inaccordancewithlocal regulationsandtheresourcesavailable.

5.Moderncoolingmixtures,suchasantifreezeand otheradditives,mustbechangedeverytwo years.Maximumattentionmustbepaidtopreventthattheyspillovertheground.Theymustbe collectedanddisposedofsothatdonotcreate anydanger.

6.Donotunsealairconditioningsystembyyourselves,sincetheycancontaingasesthatmust notbereleasedintotheatmosphere.Thepersonnelspecialisedinairconditionersuses specialequipmenttochargeanddischargeair conditioningsystems.

Usefulindications

1.Donotfilltankswithinadequatecanistersordispensingpressurisedsystemsthatcouldcause considerablespillage.

2.Ingeneral,avoidthecontactoftheskinwithany fuel,oil,acid,solventetc.Themajorityofthem containsubstancedangerousforyourhealth.

3.Modernlubricantscontainadditives.Donotburn contaminatedfuelsand/orwedoilsinnormal heatingburners.

7.Repairatonceanyleakageordefectofthe enginecooling systemorhydraulicsystem.

8.Donotincreasethepressureofanypressurised system,sincethiscouldcauseseriousproblems tothecomponentsofthesystem.

9.Protecthoseswhenperforminganywelding, sinceasplashofweldingmaterialscouldpenetrateandburnthem,causingaholeorweakeningthewallwithsubsequentleakagesofoil, coolantetc.

MAINTENANCETECHNIQUES

GENERALNOTICES

Cleantheoutsideofallthecomponentspriortoperforminganytypeofrepair.Dirtandabrasivedustcan reducetheefficientlifeexpectancyofacomponent andresultinexpensiverepairs.

Thetimespentinpreparingandcleaningworking surfacesisgivingresults,makingworkeasierand safer,andthecomponentsoverhauledwillbemore reliableandoperatebetter.

Usecleaningfluidsproventobesafe.Sometypesof fluidcancauseseriousproblemstoO--Ringsandirritatetheskin.Itisnecessarytocheckthatthesolventsaresuitabletocleanthecomponentsandthat oftheyarefreeofrisksforthehealthofworkers.

ReplaceO--Rings,sealingringsandsealseverytime theyaremoved.NeveruseoldO--Ringsorsealsand newonestogether,independentlyfromtheirconditions.AlwayslubricatenewO--Ringsandsealswith hydraulicoilbeforeinstallingthem.

Whenreplacingcomponents,alwaysusethetooling requiredbythistypeofwork.

HOSESANDSTEELPIPES

Alwaysreplacehosesandsteelpipeswhenthetaper endorconnectionsaredamaged.

Whenanewhoseisinstalled,connectitwithout tighteningtheendsandmakesurethatitisroutedin thecorrectmanner,beforetighteningtheends.Fixturesmustbetightenedjustenoughtoholdthehose withoutsqueezingit,avoidingrubbingaswell. Afterreplacingahoseofmovingcomponents,make surethatthehoseisnotdisturbedbythemovement ofthecomponentinanyposition.

Makesurethatallhosesinstalledarenotchokedor bent.

Ifhoseconnectionsaredamaged,dented,chokedor leaking,decreasetheflowofoilandtheproductivity oftherelevantactuators.Connectionsshowing signsofdisplacementfromtheiroriginalpre-pressedpositionmustbeconsideredasalready broken,sincetheyaregoingtofailorseparatesoon. Ahosewitharaggedoutersleeveallowswaterto penetrate.Thus,hiddencorrosionofthereinforcing wirewilldevelopalongtheentirelengthofthehose, withthesubsequentfailureofthehoseitself.

Ifahoseswells,thisindicatesthatthereisaninternal leakageduetoastructuralfailure.Thiscondition deterioratesveryquicklyandcausesthefailureof thehose.

Clogged,squeezed,excessivelytensionedor deformedhosesaregenerallyeasilysubjecttoflow reduction,decrementoftheoperationalspeedofthe fluidandthefinalfailureofthehose.

Loosehosesmovefreelyandmustbeprevented fromtouchingeachotherandnearbysurfaces.This causesarubbingactionshorteningtheusefullifeof thehose.

CONNECTIONSWITHFRONTSEALING O--RINGS

Whenrepairingconnectionswithfrontsealing O--Rings,pleasecomplywiththefollowingprocedures.

WARNING:NEVERDISCONNECT,NOR TIGHTENAHOSEORASTEELPIPEUNDER PRESSURE.IFINDOUBT,MOVETHECONTROL LVERSSEVERALTIMESWITHTHEENGINE INOPERATIVEBEFOREDISCONNECTINGA HOSEORASTEELPIPE.

1.Loosentheconnectionsandseparatethehose orsteelpipe,thenremoveandeliminatethe O--Ringsfromtheconnection.

2.DipanewO--Ringinclean,hydraulicoilbefore installingit.InstallthenewO--Ringintheconnectionand,ifnecessary,holditinitsposition withvaseline.

3.Installanewhoseorsteelpipeandtightenmanuallytheconnectionholding,atthesametime, thepipestilltopreventitfromturning.

4.Usetwowrenchestotightentheconnectionto thetorqueprescribedforitssize.Pleasereferto thetabletofollowforthetighteningtorques.

NOTE:toensurethatajointdoesnotleak,itis importantthattheconnectionsareneither excessivelytightenednortoolittle.

SPECIFICSEALINGCOMPOUNDS

Thefollowingsealingcompoundsmustbeused,complyingwiththeindicationsprovidedbytheManual:

SEALANTSCOMMERCIALNAME

AnaerobicsealantLOCTITE518(liquidgasket)

RTVsiliconsealantLOCTITESUPERFLEX593,595or596 LOCTITEULTRABLUE587DOWCORNINGSILASTIC 732GENERALELECTRICRTV103or108

PipesealantPST592(pipesealantwithteflon)

Lockingcompoundfor threads LOCTITE271/RED(sealant/lockingforthreads)

TIGHTENINGVALUESFORFASTENERS

Checkperiodicallythatthefastenersareproperly tightened.

Baseduponthetablestofollow,determinethecorrecttighteningtorquewhenpartsofthefastening componentsarechecked,adjustedorreplaced.

IMPORTANT:DONOTusethevalueslistedinthe tableswhentheManualindicatesadifferenttorque

ortighteningprocedureforaspecificapplication.The torquevaluesareprovidedforgeneraluseonly. Makesurethatthethreadsofthefastenersareclean andundamaged.

NOTE: useatorquewrenchtotightenfastenerscorrectly.

IDENTIFICATION

HEXSCREWS(WITHOUTNUT)ANDROUNDHEADBOLTS

CLASS5.6ANDHIGHER

IDENTIFICATIONOFTHEMANUFACTURER

HEXNUTSANDTIGHTENINGNUTS CLASS05ANDHIGHER

IDENTIFICATIONOFTHEMANUFACTURER

GRADEIDENTIFICATION

GRADEA:NOCUTS

GRADEB:ONEPERIMETERCUT

GRADEC:TWOPERIMETERCUTS

GRADEIDENTIFICATION

GRADEA:NEWMARK

GRADEB:THREEMARKS

GRADEC.SIXMARKS GRADEIDENTIFICATION

THEMARKSARENOTCOMPULSORILY LOCATEDINTHECORNERS

GRADEA.NOMARKS

GRADEB:LETTERB GRADEC:LETTERC

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