Pleasecutwhereindicatedandinsertthelabelintotheplasticpocketonthespineof thebinder.
TK
CRAWLERTRACTOR REPAIR
TK76,TK85,TK85M
Vol.1
86637916
TK CRAWLERTRACTOR REPAIR
TK76,TK85,TK85M Vol.1
86637916
86637920
GENERALINSTRUCTIONS
IMPORTANTNOTICE
AllmaintenanceandrepairworkdescribedinthismanualmustbeperformedexclusivelybyNEWHOLLAND servicetechnicians,instrictaccordancewiththeinstructionsgivenandusinganyspecifictoolsnecessary. Anyoneperformingtheoperationsdescribedhereinwithoutstrictlyfollowingtheinstructionsispersonallyresponsibleforanyeventualinjuryordamagetoproperty.
BATTERY
Beforecarryingoutanykindofserviceoperations,disconnectandisolatethebatterynegativelead,unlessotherwiserequestedforspecificoperations(e.g.:operationsthatrequiretheenginerunning).Oncethespecificoperationhasbeencompleted,disconnecttheleadinordertocompletetheoperation.
SHIMMING
Foreachadjustmentoperation,selectadjustingshimsandmeasureindividuallyusingamicrometer,thenadd uptherecordervalues.Donotrelyonmeasuringtheentireshimmingset,whichmaybeincorrect,ortherated valueindicatedforeachonshim.
ROTATINGSHAFTSEALS
Forcorrectrotatingshaftsealinstallation,proceedasfollows: --beforeassembly,allowthesealtosoakintheoilitwillbesealingforatleastthirtyminutes; --thoroughlycleantheshaftandcheckthattheworkingsurfaceontheshaftisnotdamaged; --positionthesealinglipfacingthefluid;withhydrodynamiclips,takeintoconsiderationtheshaftrotationdirectionandpositionthegroovessothattheywilldeviatethefluidtowardstheinnersideoftheseal; --coatthesealinglipwithathinlayeroflubricant(useoilratherthangrease)andfillthegapbetweenthesealing lipandthedustlipondoublelipsealswithgrease; --insertthesealinitsseatandpressdownusingaflatpunch;donottapthesealwithahammerormallet; --whilstinsertingtheseal,checkthattheitisperpendiculartotheseat;oncesettled,makesurethatitmakes contactwiththethrustelement,ifrequired; --topreventdamagingtheseallipontheshaft,positionaprotectiveguardduringinstallationoperations.
O--RING“SEALS”
LubricatetheO--RINGsealsbeforeinsertingthemintheseats,thiswillpreventthemfromoverturningandtwisting,whichwouldjeopardisesealingefficiency.
SEALINGCOMPOUNDS
ApplyoneofthefollowingsealingcompoundsonthematingsurfacesmarkedwithanX:RTVSILMATE,RHODORSILCAF1orLOCTITE510orSILASTICAPblack.
Beforeapplyingthesealingcompound,preparethesurfacesasfollows: --removeanyincrustationsusingawirebrush; --thoroughlyde--greasethesurfacesusingoneofthefollowingcleaningagents:trichlorethylene,petrolora waterandsodasolution.
BEARINGS
Wheninstallingbearingsitisadvisedto: --heatthebearingsto80to90 0C(176to194 0F)beforefittingontheshafts; --allowthebearingstocoolbeforeinstallingthemfromtheoutside.
SPRINGPINS
Whenfittingsplitsocketelasticpins,ensurethatthepinnotchispositionedinthedirectionoftheforcerequired tostressthepin. Spiralspringpinsdonotrequirespecialpositioning.
Carefullycheckthemetalrings,makingsurethatthe sealingsurfacesshownosignsofscoring,dentsor wearcausedbyringpairmisalignmentorsurfaceflatnesserrors.
Evenifonlyoneoftheringsisfaulty,changetheentireseal.
Neverpairausedringwithanewoneorusedifferent pairsofrings.
Tofittheseals,proceedasfollows.
1.Eliminateanysharpedgesorburrandcarefully cleantheseatsfortherubberrings.
2.Thoroughlycleantheringsontheseals.
3.Inserteachmetalring(2)ontherespective rubberring(1),asshowninthedrawing,actingon thepointsindicatedbythearrows. 1
4.Makesurethatthemetalringisfittedcorrectly, checkingthatmeasurement(A)isconstantonall ofthecircumference.
5.Assembleeachpairofringsintheirrespective seats(1),manuallypositioningtherubberring(as showninfigure
6.Beforeterminatingassemblyoperations,clean thesealingsurfaces(1)withaclean(notfrayed) clothandpourathincoveringoffluidoiloverthe surfaces.
SPAREPARTS
OnlyuseoriginalNEWHOLLANDsparepartsbearingthelogoshownbelow.
Onlyoriginalsparepartsguaranteethesamequality,durationandsafetyastheyarethesamepartsthatare assembledduringproduction.
Only originalNEWHOLLANDparts canofferthisguarantee. Whenorderingspareparts,alwaysprovidethefollowinginformation: --vehiclemodel(commercialname)andframenumber; --enginetypeandnumber; --partnumberoftheorderedpart,whichcanbefoundinthe“Microfiches”orthe“SparePartsCatalogue”,used fororderprocessing.
TOOLS
ThetoolsthatNEWHOLLANDproposeandillustrateinthismanualare: --specificallyresearchedanddesignedforusewithNEWHOLLANDvehicles; --essentialforreliablerepairoperations; --accuratelybuiltandrigorouslytestedsoastoofferefficientandlong--lastingoperation. Byusingthesetools,repairpersonnelwillbenefitfrom: --operatinginoptimaltechnicalconditions; --obtainingthebestresults; --savingtimeandeffort; --workinginsafeconditions.
CAUTION
Wearlimitvaluesindicatedforcertainpartsarerecommended,butnotbinding.Theterms“front”,“rear”,“right-hand”and“left--hand”(whenreferredtodifferentparts)areintendedasseenfromthedrivingpositionwiththe vehicleinthenormaldirectionofmovement.
MOVINGTHETRACTORWITHTHEBATTERYREMOVED
Externalpowersupplycablesshouldonlybeconnectedtotherespectivepositiveandnegativecableterminals, usingefficientclampsthatguaranteeadequateandsecurecontact. Disconnectallservices(lights,windshieldwipers,etc.)beforestartingthevehicle. Ifthevehicleelectricalsystemrequireschecking,carryoutoperationswiththepowersupplyconnected;once checkingiscompleted,disconnectallservicesandswitchoffthepowersupplybeforedisconnectingthecables.
SAFETYREGULATIONS
WARNINGANDDANGERSYMBOL
Thiswarningsymbolpointsoutimportantmessages concerningyoursafety.
Carefullyreadthefollowingsafetyregulationsand observeadvisedprecautionsinordertoavoidpotentialhazardsandsafeguardyourhealthandsafety. Inthismanualthesymbolisaccompaniedbythefollowingkey--words:
CAUTION --Warningsconcerningunsuitablerepair operationsthatmayjeopardisethesafetyofService personnel.
DANGER Specificwarningsconcerningpotential hazardsforoperatorsafetyorforotherpersonsdirectlyorindirectlyinvolved.
ACCIDENTPREVENTION
Mostaccidentsorinjuriesthatoccurinworkshopsare theresultofnon--observanceofsimpleandfundamentalsafetyregulations.Forthisreason,INMOST CASESTHESEACCIDENTSCANBEAVOIDEDby foreseeingpossiblecausesandconsequentlyacting withthenecessarycautionandcare.
Accidentsmayoccurwithalltypesofvehicles,regardlessofhowwellitwasdesignedandbuilt.
Acarefulandjudiciousservicetechnicianisthebest guaranteeagainstaccidents.
Preciseobservanceofthemostbasicsafetyruleis normallysufficienttoavoidmanyseriousaccidents.
DANGER. Nevercarryoutanycleaning,lubrication ormaintenanceoperationswhentheengineisrunning.
SAFETYREGULATIONS
GENERALGUIDELINES
--Carefullyfollowspecifiedrepairandmaintenance procedures.
--Donotwearrings,wristwatches,jewellery,unbuttonedorloosearticlesofclothingsuchas:ties, tornclothing,scarves,openjacketsorshirtswith openzipsthatmayremainentangledinmoving parts.Itisadvisedtowearapprovedsafetyclothing,e.g.:non--slipfootwear,gloves,safety goggles,helmets,etc.
--Donotcarryoutrepairoperationswithsomeone sittinginthedriver’sseat,unlessthepersonisa trainedtechnicianwhoisassistingwiththeoperationinquestion.
--Donotoperatethevehicleoruseanyoftheimplementsfromdifferentpositions,otherthanthe driver’sseat.
--Donotcarryoutoperationsonthevehiclewiththe enginerunning,unlessspecificallyindicated.
--Stoptheengineandcheckthatthehydrauliccircuitsarepressure--freebeforeremovingcaps, covers,valves,etc.
--Allrepairandmaintenanceoperationsmustbe carriedoutusingextremecareandattention.
--Servicestepsandplatformsusedintheworkshoporelsewhereshouldbebuiltaccordingto standardaccidentpreventionregulations.
--Disconnectthebatteriesandlabelallcontrolsto indicatethatthevehicleisbeingserviced.Any partsthataretoberaisedmustbelockedinposition.
--Donotcheckorfillfueltanks,accumulatorbatteries,norusestartingliquidwhensmokingor nearnakedflames,asthesefluidsareinflammable.
--Brakesareinoperativewhenmanuallyreleased forrepairormaintenancepurposes.Useblocks orsimilardevicestocontrolthemachineinthese conditions.
--Thefuelnozzleshouldalwaysbeincontactwith thefillingaperture.Maintainthispositionuntilfillingoperationsarecompletedinordertoavoid possiblesparkscausedbytheaccumulationof staticelectricity.
--Onlyusespecifiedtowingpointsfortowingthe tractor.Connectpartscarefully.Makesurethatall pinsand/orlocksaresecuredinpositionbefore applyingtraction.Neverremainnearthetowing bars,cablesorchainsthatareoperatingunder load.
--Transportvehiclesthatcannotbedrivenusinga traileroralow--loadingplatformtrolley,ifavailable.
--Whenloadingorunloadingthevehiclefromthe trailer(orothermeansoftransport),selectaflat areacapableofsustainingthetrailerortruck wheels.Firmlysecurethetractortothetruckor trailerandlockthewheelsinthepositionusedby thecarrier.
--Electricheaters,battery--chargersandsimilar equipmentmustonlybepoweredbyauxiliary powersupplieswithefficientgroundinsulationto avoidelectricalshockhazards.
--Alwaysusesuitablehoistingorliftingdevices whenraisingormovingheavyparts.
--Takeextracareifbystandersarepresent.
--Neverpourgasolineordieseloilintoopen,wide orlowcontainers.
--Neverusegasoline,dieseloilorotherinflammableliquidsascleaningagents.Usenon--inflammable,nontoxiccommerciallyavailablesolvents.
--Wearsafetygoggleswithsideguardswhen cleaningpartswithcompressedair.
--Limittheairpressuretoamaximumof2.1bar (30.46psi),accordingtolocalregulations.
--Donotruntheengineinconfinedspaceswithout suitableventilation.
--Donotsmoke,usenakedflames,orcause sparksintheareawhenfuelfillingorhandling highlyinflammableliquids.
--Neverusenakedflamesforlightingwhenworking onthemachineorcheckingfor“leaks.
--Allmovementsmustbecarriedoutcarefully whenworkingunder,onornearthevehicle.Wear protectiveequipment:helmets,gogglesand specialfootwear.
--Whencarryingoutcheckswiththeenginerunning,requesttheassistanceofanoperatorinthe
driver’sseat.Theoperatormustmaintainvisual contactwiththeservicetechnicianatalltimes.
--Ifoperatingoutsidetheworkshop,positionthe vehicleonaflatsurfaceandlockinposition.If workingonaslope,lockthevehicleinposition. Movetoaflatareaassoonasissafelypossible.
--Damagedorbentchainsorcablesareunreliable. Donotusethemforliftingortowing.Alwaysuse suitableprotectivegloveswhenhandlingchains orcables.
--Chainsshouldalwaysbesafelysecured.Make surethatthehitch--uppointiscapableofsustainingtheloadinquestion.Keeptheareanearthe hitch--uppoint,chainsorcablesfreeofallbystanders.
--MaintenanceandrepairoperationsmustbecarriedoutinaCLEANandDRYarea.Eliminateany wateroroilspillageimmediately.
--Donotcreatepilesofoilorgrease--soakedrags astheyrepresentaseriousfirehazard.Always storeragsinaclosedmetalcontainer. Beforestartingthevehicleorimplements,make surethatthedriver’sseatislockedinposition. Alsocheckthattherearenopersonswithinthe tractororimplementrangeofaction.
--Emptypocketsofallobjectsthatmayfallunobservedintothevehicleparts.
--Inthepresenceofprotrudingmetalparts,use protectivegogglesorgoggleswithsideguards, helmets,specialfootwearandgloves.
--Whenwelding,useprotectivesafetydevices: tintedsafetygoggles,helmets,specialoveralls, glovesandfootwear.Allpersonspresentinthe areawhereweldingistakingplacemustwear tintedgoggles.NEVERLOOKDIRECTLYAT THEWELDINGARCWITHOUTSUITABLEEYE PROTECTION.
--Metalcablestendtofraywithrepeateduse.Alwaysusesuitableprotectivedevices(gloves, goggles,etc.)whenhandlingcables.
--Handleallpartscarefully.Donotputyourhands orfingersbetweenmovingparts.Wearsuitable safetyclothing--safetygoggles,glovesand shoes.
STARTUP
--Neverruntheengineinconfinedspacesthatare notequippedwithadequateventilationforexhaustgasextraction.
--Neverplacethehead,body,limbs,feet,handsor fingersnearfansorrotatingbelts.
ENGINE
--Alwaysloosentheradiatorcapslowlybeforeremovingittoallowanyremainingpressureinthe systemtobedischarged.F illingupwithcoolant shouldonlybecarriedoutwiththeengine stoppedoridling(ifhot).
--Neverfillupwithfuelwhentheengineisrunning, especiallyifhot,inordertopreventtheoutbreak offireasaresultoffuelspillage.
--Nevercheckoradjustfanbelttensionwhenthe engineisrunning. Neveradjustthefuelinjectionpumpwhenthevehicleismoving.
--Neverlubricatethevehiclewhentheengineis running.
ELECTRICALSYSTEMS
--Ifitisnecessarytouseauxiliarybatteries,rememberthatbothendsofthecablesmustbe connectedasfollows:(+)with(+)and(--)with(--). Avoidshort--circuitingtheterminals.GASRELEASEDFROMBATTERIESISHIGHLYINFLAMMABLE.Duringcharging,leavethebattery compartmentuncoveredtoimproveventilation. Nevercheckthebatterychargeusing“jumpers” (metalobjectsplacedontheterminals).Avoid sparksorflamesnearthebatteryzone.Donot smoketopreventexplosionhazards.
--Beforeservicingoperations,checkforfuelorcurrentleaks.Eliminateanyeventualleaksbefore proceedingwithwork.
--Neverchargebatteriesinconfinedspaces.Make surethatthereisadequateventilationinorderto preventaccidentalexplosionhazardsasaresult oftheaccumulationofgasesreleasedduring chargingoperations.
--Alwaysdisconnectthebatteriesbeforeperforminganykindofservicingontheelectricalsystem.
HYDRAULICSYSTEMS
--Aliquidleakingfromatinyholemaybealmostinvisiblebut,atthesametime,bepowerfulenough
topenetratetheskin;Therefore,NEVERUSE HANDSTOCHECKFORLEAKS.Useapieceof cardboardorwoodforthispurpose.Ifanyliquid penetratesskintissue,callformedicalaidimmediately.Failuretotreatthisconditionwithcorrectmedicalproceduremayresultinseriousinfectionordermatosis.
--Inordertocheckthepressureinthesystemuse suitableinstruments.
WHEELSANDTYRES
--Makesurethatthetyresarecorrectlyinflatedat thepressurespecifiedbythemanufacturer. Periodicallychecktherimsandtyresfordamage.
--Standawayfrom(atthesideof)thetyrewhen checkinginflationpressure.
--Onlycheckpressurewhenthetractorisunloaded andthetyresarecold,toavoidincorrectreadings asaresultofover--pressure.Donotusepartsof recoveredwheelsasincorrectweldingbrazingor heatingmayweakenandeventuallycausedamagetothewheel.
--Nevercutorweldarimmountedwithaninflated tyre.
--Toremovethewheels,lockboththefrontandrear vehiclewheels.Afterhavingraisedthevehicle, positionsupportsunderneath,accordingtoregulationsinforce.
--Deflatethetyrebeforeremovinganyobjectsthat maybejammedinthetyretread.
--Neverinflatetyresusinginflammablegases;as thismayresultinexplosionsandinjurytobystanders.
REMOVALANDRE--FITTING
--Liftandhandleallheavypartsusingsuitablehoistingequipment.Makesurethatpartsaresustainedbyappropriatehooksandslings.Usethe hoistingeyeboltsforliftingoperations.Extracare shouldbetakenifpersonsarepresentnearthe loadtobelifted.
--Handleallpartscarefully.Donotputyourhands orfingersbetweenparts.Wearsuitablesafety clothing--safetygoggles,glovesandshoes.
--Avoidtwistingchainsormetalcables.Always wearsafetygloveswhenhandlingcablesor chains.
COMPONENTTOBEFILLED ORTOPPEDUP
Coolingsystem:
--modelsTK65,TK75 ...... --modelsTK76,TK85,TK95
Fueltank:
--modelsTK65,TK75 ...... --modelsTK76,TK85,TK95
Enginesump: withoutfilter:
--modelsTK65,TK75 ...... --modelsTK76,TK85,TK95 withfilter:
10.5(2.31) 13.0(2.86)
Water&liquid AMBRA AGRIFLU 50%+50%
80(17.6) 129(28.38)
--modelsTK65,TK75 --modelsTK76,TK85,TK95 6.7(1.47) 10.5(2.31)
Steeringclutches............
Transmission: (gears,beveldrive, brakesandhydraulic lift)
--modelsTK65,TK75 --modelsTK76,TK85,TK95 Tracktensionwheel, carriagerollers,tracksupport rollers......................
Decantedandfiltereddieselfuel
7.3(1.61) 11.2(2.46) AMBRA SUPERGOLD 15W--40 oilor 10W--30
1.4(0.31)
NH900A
33.3(7.32) 39.0(7.92)
AMBRA SUPER oil 10W
NH330G (SAE15W--40)
NH24G (SAE10W--30)
APICF--4/SG CCMCD4 MIL--L--2104E
NH301C
AMBRAMULTIF oil
Finaldrives (each)..................... 2.0(0.44) AMBRA HYPOIDE90 oil
Greasefittings..............
AMBRAGR9 grease
NH420A
APICECCMCD4 MIL--L--2104C SAE10W
APIGL4 ISO46/68 SAE20W--30
NH520A
APIGL5 MIL--L--2105D SAE80W--90
NH710A NLGI2
