Section00--GeneralInformation
Section10--Engine
Section21--Transmission
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Maintenance
Engine Control System
Mechanical
Fuel Service Specifications
Emission Control
Intake Exhaust Cooling
Lube
Ignition Starting Charging
Auto Transmission Clutch
Manual Transmission Transfer Propeller Shaft
Drive Shaft
Differential
Axle Suspension
Tire & Wheel
Brake Control
SECTION00--GENERALINFORMATION
SECTION10--ENGINE
SECTION21--TRANSMISSION
SECTION23--DRIVELINES
SECTION25--FRONTMECHANICALDRIVE
SECTION27--REARDRIVEAXLE
SECTION31--POWERTAKE-OFF
SECTION33--BRAKESANDCONTROLS
SECTION35--HYDRAULICSYSTEMS
SECTION41--STEERING
SECTION44--TWO-WHEELDRIVEAXLEANDWHEELS
SECTION50--CLIMATECONTROL
SECTION55--ELECTRICALSYSTEMS
SECTION90--PLATFORM,CAB,ANDBODYWORK
ThesectionsusedthroughoutallNewHollandproductRepairmanuals maynotbeusedforeachproduct.EachRepairmanualwillbemadeupof oneorseveralbooks.Eachbookwillbelabeledastowhichsectionsare intheoverallRepairmanualandwhichsectionsareineachbook.
Thesectionslistedabovearethesectionsutilizedforthe70and70A SeriesTractors.
FOREWORD
Appropriateservicemethodsandcorrectrepairproceduresareessentialforthesafe,reliableoperationofall equipment,aswellasthepersonalsafetyoftheindividualperformingtherepair.
ThisServiceManualprovidestroubleshooting,overhaul,andpressure-testinginstructionsusingrecommended proceduresandequipment.Followingtheseinstructionswillensurethesafe,efficient,andtimelycompletionof theserviceorrepair.
Therearenumerousvariationsinprocedures,techniques,tools,andpartsforservicingmachines,aswellasin theskilloftheindividualdoingthework.Thismanualcannotpossiblyanticipateallsuchvariationsandprovide adviceorcautionsastoeach.Accordingly,anyonewhodepartsfromtheinstructionsprovidedinthismanual mustfirstestablishthattheirpersonalsafety,thesafetyofothers,andtheintegrityofthemachinewillnotbecompromisedbythechoiceofmethods,toolsorparts.
Themanualisdividedintosectionswhicharesubdividedintochapters.Eachchaptercontainsinformationon generaloperatingprinciples,detailedinspection,overhauland,whereapplicable,specifictroubleshooting,specialtools,andspecifications.
Anyreferenceinthismanualtoright,left,rear,front,top,orbottomisasviewedfromtheoperatorísseat,looking forward.
Alldataandillustrationsinthismanualaresubjecttovariationsinbuildspecification.Thisinformationwascorrect atthetimeofissue,butNewHollandpolicyisoneofcontinuousimprovement,andtherighttochangespecifications,equipment,ordesignatanytime,withoutnotice,isreserved.
PRECAUTIONARYSTATEMENTS
PERSONALSAFETY
Throughoutthismanualandonmachinedecals,youwillfindprecautionarystatements(ì CAUTIONî, ìWARNINGî,andìDANGERî)followedbyspecificinstructions.Theseprecautionsareintendedforthepersonal safetyofyouandthoseworkingwithyou.Pleasetakethetimetoreadthem.
CAUTION
ThewordìCAUTIONîisusedwhereasafebehavioralpracticeaccordingtooperatingandmaintenance instructionsandcommonsafetypracticeswillprotecttheoperatorandothersfromaccident involvement.
WARNING
ThewordìWARNINGîdenotesapotentialorhiddenhazardwhichhasapotentialforseriousinjury.It isusedtowarnoperatorsandotherstoexerciseeveryappropriatemeanstoavoidasurprise involvementwithmachinery.
DANGER
ThewordìDANGERîdenotesaforbiddenpracticeinconnectionwithaserioushazard.
FAILURETOFOLLOWTHEìCAUTIONî,ìWARNINGî,ANDìDANGERîINSTRUCTIONSMAYRESULTIN SERIOUSBODILYINJURYORDEATH.
MACHINESAFETY
Additionalprecautionarystatements(ìATTENTIONîandìIMPORTANTî)arefollowedbyspecificinstructions. Thesestatementsareintendedformachinesafety.
ATTENTION: ThewordìATTENTIONîisusedtowarntheoperatorofpotentialmachinedamageifacertain procedureisnotfollowed.
IMPORTANT: ThewordìIMPORTANTîisusedtoinformthereaderofsomethingheneedstoknowtoprevent minormachinedamageifacertainprocedureisnotfollowed.
SAFETYPRECAUTIONS
Practicallyallserviceworkinvolvestheneedtodrive thetractor.Theoperatorísmanual,suppliedwith eachtractor,containsdetailedsafetyprecautions relatingtodriving,operating,andservicingthat tractor.Theseprecautionsareasapplicabletothe servicetechnicianastheyaretotheoperatorand shouldberead,understoodandpracticedbyall personnel.
Priortoundertakinganymaintenance,repair, overhaul,dismantlingorreassemblyoperations, whetherwithinaworkshopfacilityorinthefield, considerationshouldbegiventofactorsthatmay haveaneffectuponsafety,notonlyuponthe mechaniccarryingoutthework,butalsoupon bystanders.
PERSONALCONSIDERATIONS
Thewrongclothesorcarelessnessindresscan causeaccidents.Checktoseethatyouaresuitable clothed.
Somejobsrequirespecialprotectiveequipment.
SkinProtection
Usedmotoroilmaycauseskincancer.Followwork practicesthatminimizetheamountofskinexposed andlengthoftimeusedoilstaysonyourskin.
EyeProtection
Thesmallesteyeinjurymaycauselossofvision. Injurycanbeavoidedbywearingeyeprotection whenengagedinchiselling,grinding,discing, welding,andpainting.
BreathingProtection
Fumes,dust,andpaintsprayareunpleasantand harmful.Thesecanbeavoidedbywearing respiratoryprotection.
HearingProtection
Loudnoisemaydamageyourhearing,andthe greatertheexposuretheworsethedamage.Ifthe noiseisexcessive,wearearprotection.
HandProtection
Itisadvisabletouseaprotectivecreambeforework topreventirritationandskincontamination.After workcleanyourhandswithsoapandwater.Solvents suchasmineralspiritandkerosenemayharmthe skin.
FootProtection
Substantialorprotectivefootwearwithreinforcedtoe capswillprotectyourfeetfromfallingobjects. Additionally,oil-resistantsoleswillhelptoavoid slipping.
SpecialClothing
Forcertainworkitmaybenecessarytowearflame oracid-resistantclothing.
EQUIPMENTCONSIDERATIONS
MachineGuards
Beforeusinganymachine,checktoensurethatthe machineguardsareinpositionandserviceable. Theseguardsnotonlypreventpartsofthebodyor clothingcomingincontactwiththemovingpartsof themachine,butalsowardoffobjectsthatmightfly offthemachineandcauseinjury.
LiftingDevices
Alwaysensurethatliftingequipment,suchaschains, slings,liftingbrackets,hooksandeyes,are thoroughlycheckedbeforeuse.Ifindoubt,select strongerequipmentthanisnecessary.
Neverstandunderasuspendedloadorraised implement.
CompressedAir
Thepressurefromacompressed-airlineoften exceeds690bar(100PSI).Itisperfectlysafeifused correctly.Anymisusemaycauseinjury.
Neverusecompressedairtoblowdust,filing,anddirt awayfromyourworkareaunlessthecorrecttypeof nozzleisfitted.
LiftingProtection
Avoidinjurybycorrectlyhandlingcomponents.Make sureyouarecapableofliftingtheobject.Ifindoubt gethelp.
Compressedairisnotacleaningagent;itwillonly movedustfromoneplacetoanother.Lookaround beforeusinganairhoseasbystandersmaygetgrit intotheireyes,ears,orskin.
HandTools
Manycuts,abrasionsandinjuriesarecausedby defectivetools.Neverusethewrongtoolforthejob, asthisgenerallyleadseithertosomeinjuryortoa poorjob.
Whenremovingorreplacinghardenedpins,usea copperorbrassdriftratherthanahammer.
Fordismantling,overhaul,andassemblyofmajor andsub-components,alwaysusetheSpecial ServiceToolsrecommended.Thesewillreducethe workeffort,labortime,andtherepaircost.
Electricity
Electricityhasbecomesofamiliarindaytoday usage,thatitspotentiallydangerouspropertiesare oftenoverlooked.Misuseofelectricalequipmentcan endangerlife.
Beforeusinganyelectricalequipment-particularly portableappliances-makeavisualchecktomake surethatthewiringisnotwornorfrayedandthatthe plugsandsocketsareintact.Makesureyouknow wherethenearestisolatingswitchforyour equipmentislocated.
GENERALCONSIDERATIONS
Solvents
Usecleaningfluidsandsolventsthatareknowntobe safe.Certaintypesoffluidscancausedamageto components,suchasseals,andcancauseskin irritation.Solventsshouldbecheckedthattheyare suitablenotonlyforthecleaningofcomponentsand individualparts,butalsothattheydonotaffectthe personalsafetyoftheuser.
Housekeeping
Manyinjuriesresultfromtrippingoverorslippingon objectsormaterialleftlyingaroundbyacareless worker.Preventtheseaccidentsfromoccurring.If younoticeahazard,donítignoreit-removeit.
Aclean,hazard-freeplaceofworkimprovesthe surroundingsanddailyenvironmentforeverybody.
Workcleanly,disposingofwastematerialintoproper containers.
Locatethefireextinguishersandfindouthowto operatethem.
Donotpanic-warnthosenearandraisethealarm.
Donotalloworuseanopenflamenearthetractor fueltank,battery,orcomponentparts.
FirstAid
Inthetypeofworkthatmechanicsareengagedin, dirt,grease,andfinedustssettleupontheskinand clothing.Ifacut,abrasionorburnisdisregardedit maybecomeinfectedwithinashorttime.Seek medicalaidimmediately.
Cleanliness
Cleanlinessofthetractorhydraulicsystemis essentialforoptimumperformance.Whencarrying outserviceandrepairs,plugallhoseendsand componentconnectionstopreventdirtentry.
Cleantheexteriorofallcomponentsbeforecarrying outanyformofrepair.Dirtandabrasivedustcan reducetheefficiencyandworkinglifeofacomponent andleadtocostlyreplacement.Useofa high-pressurewasherorsteamcleanerisrecommended.
OPERATIONALCONSIDERATIONS
Stoptheengine,ifatallpossible,beforeperforming anyservice.
Placeawarningsignontractorswhich,dueto serviceoroverhaul,wouldbedangeroustostart. Disconnectthebatteryleadsifleavingsuchaunit unattended.
Donotattempttostarttheenginewhilestanding besidethetractororattempttobypassthesafety startswitch.
Avoidprolongedrunningoftheengineinaclosed buildingorinanareawithinadequateventilationas exhaustfumesarehighlytoxic.
Fire
Firehasnorespectforpersonsorproperty.The destructionthatafirecancauseisnotalwaysfully realized.Everyonemustbeconstantlyonguard.
Extinguishmatches,cigars,andcigarettesbefore throwingthemaway.
Alwaysturntheradiatorcaptothefirststoptoallow pressureinthesystemtodissipatewhenthecoolant ishot.
Neverworkbeneathatractorwhichisonsoftground. Alwaystaketheunittoanareawhichhasahard workingsurface,preferablyconcrete.
Ifitisfoundnecessarytoraisethetractorforeaseof servicingorrepair,makesurethatsafeandstable supportsareinstalledbeneathaxlehousings, casings,etc.,beforestartingwork.
Certainrepairoroverhaulproceduresmaynecessitateseparatingthetractor,eitherattheengine/transmissionortransmission/rearaxlelocation.These operationsaresimplifiedbytheuseoftheTractor SplittingStands.Shouldthisequipmentnotbe available,everyconsiderationmustbegivento stability,balanceandweightofthecomponents, especiallyifacabisinstalled.
Usefootstepsorworkingplatformswhenservicing thoseareasofatractorthatarenotwithineasyreach.
Beforelooseninganyhosesortubesconnecting implementstoremotecontrolvalves,etc.,switchoff theengine,removeallpressureinthelinesby operatingleversseveraltimes.Thiswillremovethe dangerofpersonalinjurybyoilpressure.
Priortopressuretesting,makesureallhosesand connectorsofthetractorandthetestequipmentare ingoodconditionandtightlysealed.Pressure readingsmustbetakenwiththegaugesspecified. Thecorrectprocedureshouldberigidlyobservedto preventdamagetothesystemortheequipment,and toeliminatethepossibilityofpersonalinjury.
WARNING
Escapinghydraulic/dieselfluidunderpressure canpenetratetheskincausingseriousinjury.
Donotuseyourhandtocheckforleaks.Usea pieceofcardboardorpapertosearchforleaks. Stoptheengineandrelievepressurebefore connectingordisconnectinglines. Tightenallconnectionsbeforestartingthe engineorpressurizinglines.
Ifanyfluidisinjectedintotheskin,obtain medicalattentionimmediatelyorgangrenemay result.
Useìpositioncontrolîwhenequipmentorimplementsarerequiredtobeattachedtothehydraulic linkageeitherfortestingpurposesorfortransportation.
Alwayslowerequipmenttothegroundwhenleaving thetractor.
Ifhighliftattachmentsareinstalledonatractor, bewareofoverheadpower,electricortelephone cableswhentraveling.Droptheattachmentnearto groundleveltoincreasestabilityandminimizerisks.
Donotparkorattempttoserviceatractoronan incline.Ifunavoidable,takeextracareandblockall wheels.
Observerecommendedprecautionsasindicatedin thisServiceManualwhendismantlingtheairconditioningsystemasescapingrefrigerantcan causefrostbite.
Priortoremovingwheelsandtiresfromatractor, checktodeterminewhetheradditionalballast(liquid orweights)hasbeenadded.Seekassistanceand usesuitableequipmenttosupporttheweightofthe wheelassembly.
Wheninflatingtires,bewareofoverinflationconstantlycheckthepressure.Overinflationcan causetirestoburstandresultinpersonalinjury.
HEALTHANDSAFETYPRECAUTIONS
Manyoftheproceduresassociatedwithvehicle maintenanceandrepairinvolvephysicalhazardsor otherriskstohealth.Thissectionlists,alphabetically, someofthesehazardousoperations,materialsand equipmentassociatedwiththem.Theprecautions necessarytoavoidthesehazardsareidentified.
Thelistisnotinclusive;alloperations,procedures, andhandlingofmaterialsshouldbecarriedoutwith healthandsafetyinmind.
ACIDSANDALKALIS(SeeBatteryAcids, i.e.,CausticSoda,SulfuricAcid)
Usedinbatteriesandcleaningmaterials.
Irritatingandcorrosivetotheskin,eyes,noseand throat.Causesburns.
Avoidsplashestotheskin,eyes,andclothing.Wear suitableprotectiveglovesandgoggles.Candestroy ordinaryprotectiveclothing.Donotbreathemists.
Ensureaccesstowaterandsoapisreadilyavailable forsplashingaccidents.
ADHESIVESANDSEALERS(SeeFire)
CAUTION
HIGHLYFLAMMABLE,COMBUSTIBLE.
GenerallyshouldbestoredinìNOSMOKINGîareas; cleanlinessandtidinesswhileinuseshouldbe observed,i.e.,fromapplicationswherepossible, disposablepapershouldbedispensedtocover benches.Containers,includingsecondarycontainers,shouldbelabeled.
Solvent-BasedAdhesives/Sealers(See Solvents)
FollowmanufacturerísInstructions
Water-BasedAdhesives/Sealers
Thosebasedonpolymeremulsionsandrubber latticesmaycontainsmallamountsofvolatiletoxic andharmfulchemicals.
Skinandeyecontactshouldbeavoided,and adequateventilationprovidedduringuse.
FollowmanufacturerísInstructions
Resin-BasedAdhesive/Sealers(i.e.,Epoxide andFormaldehydeResinBased)
Mixingshouldonlybecarriedoutinwell-ventilated areasasharmfulortoxicvolatilechemicalsmaybe released.
Skincontactwithuncuredresinsandhardenerscan resultinirritation,dermatitis,andabsorptionoftoxic, orharmfulchemicalsthroughtheskin.Splashescan damagetheeyes.
Provideadequateventilation;avoidskinandeye contact.Followmanufacturerísinstructions.
Anaerobic,CyanoacrylateandotherAcrylic Adhesives
Manyareirritating,sensitizing,orharmfultotheskin. Someareeyeirritants.
Skinandeyecontactshouldbeavoidedandthe manufacturerísinstructionsfollowed.
Cyanoacrylateadhesives(super-glues)mustnot contacttheskinoreyes.Ifskinoreyetissueis bonded,coverwithacleanmoistpadandget medicalattention.Donotattempttopulltissueapart. Useinwell-ventilatedareasasvaporscancause irritationofthenoseandeyes.
Fortwo-partsystems:SeeResin-BasedAdhesive/ Sealers
Isocyanate(Polyurethane)Adhesive/Sealers (SeeResin-BasedAdhesives)
Individualssufferingfromasthmaorrespiratory allergiesshouldnotworkwith,ornear,these materialsassensitivityreactionscanoccur.
Anysprayingshouldpreferablybecarriedoutin exhaustventilatedboothsremovingvaporsand spraydropletsfromthebreathingzone.Individuals workingwithsprayapplicationsshouldwear suppliedairrespirators.
ANTIFREEZE(SeeFire,Solvents,i.e., Isopropanol,EthyleneGlycol,Methanol)
CAUTION
HIGHLYFLAMMABLE,COMBUSTIBLE.
Usedinvehiclecoolantsystems,brakeairpressure systems,andwindshieldwashingsolutions.
Vaporsgivenofffromcoolantantifreeze(Glycol) ariseonlywhenheated.
Antifreezemaybeabsorbedthroughtheskinintoxic orharmfulquantities.Swallowedantifreezeisfatalif nottreated;medicalattentionmustbesought immediately.
BATTERYACIDS(SeeAcidsandAlkalis)
Gasesreleasedduringchargingareexplosive. Neveruseanopenflameorallowsparksnear chargingorrecentlychargedbatteries.
BRAKEANDCLUTCHLININGSANDPADS
(SeeLegalAspects)
Theseitemsmaycontainasbestoswhich,ifinhaled, maycauselungdamageand,insomecases,cancer.
Thenormalhandlingandfittingoftheseitemsshould notcauseanyhazard,butanydrilling,grinding,or fillingoffrictionmaterialsmayproduceasbestosdust andshouldonlybecarriedoutunderstrictly controlledconditions.
Thedustinbrakedrums,etc.,containsverylittle asbestos,butcareshouldbetakentoavoid inhalationofthisdustduringservicingofbrakesand clutches.Theuseofdrumcleaningunits,vacuum cleaning,ordampwipingispreferredtotheuseofair jetsforìblowing-out.î
Thedustshouldbecollectedinasealedplasticbag anddisposedappropriately,accordingtolocallaws andregulations.
BRAZING(SeeWelding)
CHEMICALMATERIALS-GENERAL(See LegalAspects)
Chemicalmaterialssuchassolvents,sealers, adhesives,paints,resinfoams,batteryacids, antifreeze,oils,andgreaseshouldalwaysbeused withcaution,storedandhandledwithcare.Theymay betoxic,harmful,corrosive,irritating,orhighly flammable,causinghazardousfumesanddusts.
Theeffectsofexcessiveexposuretochemicalsmay beimmediateordelayed,brieflyexperiencedor permanent,cumulative,superficial,lifethreatening, ormayreducelifeexpectancy.
CLUTCHLININGSANDPADS(SeeBrake andClutchLiningsandPads)
CORROSIONPROTECTIONMATERIALS (SeeSolvents,Fire)
CAUTION
HIGHLYFLAMMABLE,COMBUSTIBLE.
Thesematerialsarevaried;themanufacturerís instructionsshouldbefollowed.Theymaycontain solvents,resins,andpetroleumproducts.Skinand eyecontactshouldbeavoided.Theyshouldonlybe sprayedinconditionsofadequateventilation,and notinconfinedspaces.
CUTTING(SeeWelding)
DEWAXING(SeeSolventsandFuelsKerosene)
DOíS
Do removechemicalmaterialsfromtheskinand clothingassoonaspracticable.Changeheavily soiledclothingandhaveitcleaned.
Do carefullyreadandobservehazardand precautionwarningsgivenonmaterialcontainers (labels)andinanyaccompanyingleaflets,posteror otherinstructions.Materialhealthandsafetydata sheetscanbeobtainedfrommanufacturers.
Do organizeworkpracticesbywearingprotective clothingandsafetydevicestoavoidcontactwith chemicalmaterials;breathingvapors,aerosols, dusts,andfumes;inadequatecontainerlabeling;or fireandexplosionhazards.
Do washbeforejobbreaks,beforeeating,smoking, drinking,orusingtoiletfacilitieswhenhandling chemicalmaterials.
Do keepworkareasclean,uncluttered,andfreeof spills.
Do storeaccordingtonationalandlocalregulations.
Do keepchemicalmaterialsoutofreachofchildren.
DONíTS
Donot mixchemicalmaterialsexceptunderthe manufacturerísinstructions;somechemicalscan formothertoxicorharmfulchemicals,releasingtoxic orharmfulfumes,orbeexplosivewhenmixed together.
Donot spraychemicalmaterials,particularlythose basedonsolvents,inconfinedspaces,i.e.,when peopleareinsideavehicle.
Donot applyheatorflametochemicalmaterials, exceptunderthemanufacturerísinstructions.Some arehighlyflammable,andsomemayreleasetoxicor harmfulfumes.
Donot leavecontainersopen.Escapingfumescan builduptotoxic,harmful,orexplosiveconcentrations.Somefumesareheavierthanairandwill accumulateinconfinedareas,pits,etc.
Donot transferchemicalmaterialstounlabeled containers.
Donot cleanhandsorclothingwithchemical materials.Chemicals,particularlysolventsandfuels, willdrytheskin,andmaycauseirritationwith dermatitis.Somecanbeabsorbedthroughtheskin intoxicorharmfulquantities.
Donot useemptiedcontainersforothermaterials, exceptwhentheyhavebeencleanedunder supervisedconditions.
Donot snifforsmellchemicalmaterials.Brief exposuretohighconcentrationsoffumescanbe harmfulortoxic.
DUSTS
Powderordustsmaybeanirritant,harmfulortoxic. Avoidbreathingdustsfrompowderychemical materials,orthosearisingfromdryabrasion operations.Wearrespiratoryprotectionifventilation isinadequate.
ELECTRICSHOCK
Electricshockscanresultfromtheuseoffaulty electricalequipmentorfromthemisuseofequipment eveningoodcondition.
Ensureelectricalequipmentismaintainedingood conditionandfrequentlytested.
Ensureflexes,cables,plugsandsocketsarenot frayed,kinked,cut,cracked,orotherwisedamaged.
Ensureelectricequipmentisprotectedbythecorrect ratedfuse.
Neveruseelectricalequipmentoranyother equipmentwhichisinanywayfaulty.Theresults couldbefatal.
Usereducedvoltageequipmentforinspectionand workinglights,wherepossible.
Ensurethecablesofmobileelectricalequipment cannotgettrappedanddamaged,suchasina vehiclehoist.
InCasesofElectrocution:
• Switchoffelectricitybeforeapproachingvictim.
• Ifthisisnotpossible,pushordragthevictimfrom thesourceofelectricityusingdrynon-conductive material.
• Commenceresuscitationiftrainedtodoso.
• SUMMONMEDICALASSISTANCE IMMEDIATELY EXHAUSTFUMES
Thesecontainasphyxiating,harmfulandtoxic chemicals,andparticlessuchascarbonoxides, nitrogenoxides,aldehydes,lead,andaromatic hydrocarbons.Enginesshouldonlyrununder conditionsofadequateextraction,orgeneral ventilation,notinconfinedspaces.
DieselEngine
Soot,discomfort,andirritationusuallygiveadequate warningsignsofhazardousfumeconcentration.
FIBERINSULATION(SeeDusts)
Usedinnoiseandsoundinsulation.
Thefibrousnatureofsurfacesandcutedgecan causeskinirritation.Thisisusuallyaphysical,nota chemicaleffect.
Precautionsshouldbetakentoavoidexcessiveskin contactthroughcarefulorganizationofwork practicesandtheuseofgloves.
FIRE(SeeWelding,Foams,LegalAspects)
Manyofthematerialsfoundon,orassociatedwith, therepairofvehiclesarehighlyflammable.Some releasetoxicorharmfulfumesifburned.
Observestrictfiresafetywhenstoringandhandling flammablematerialsorsolvents,particularlynear electricalequipmentorweldingprocesses.
Beforeusingelectricalorweldingequipment,besure thereisnofirehazardpresent.
Haveasuitablefireextinguisheravailablewhen usingweldingorheatingequipment.
FIRSTAID
Apartfrommeetinganylegalrequirements,itis desirableforsomeoneintheworkshoptobetrained infirstaidprocedures.
Splashesintheeyeshouldbeflushedwithclean waterforatleasttenminutes.
Soiledskinshouldbewashedwithsoapandwater.
Inhalationaffectedindividualsshouldberemovedto freshairimmediately.
Ifchemicalsareswallowed,consultadoctor immediatelywith(label)informationonmaterial used.
Donotinducevomiting,unlessindicatedby manufacturer.
FOAMS-POLYURETHANE(SeeFire)
Usedinsoundandnoiseinsulation.Curedfoamsare usedinseatandtrimcushioning.
Followmanufacturerísinstructions.
Unreactedcomponentsareirritatingandmaybe harmfultotheskinandeyes.Wearglovesand goggles.
Individualswithchronicrespiratorydiseases, asthma,bronchialmedicalproblems,orhistoriesof allergicdiseasesshouldnotworkwithornear uncuredmaterials.
Thecomponentísvaporsandspraymistscancause directirritationand/orsensitivityreactionsandmay betoxicorharmful.
Vaporsandspraymistsmustnotbebreathed.These materialsmustbeappliedwithadequateventilation andrespiratoryprotection.Donotremoverespirator immediatelyafterspraying,waituntilvapor/mists havecleared.
Burningoftheuncuredcomponentsandthecured foamscangeneratetoxicandharmfulfumes.
Smoking,openflames,ortheuseofelectrical equipmentshouldnotbeallowedduringfoaming operationsuntilvapors/mistshavecompletely cleared.Anyheatcuttingofcuredfoamsorpartially curedfoamsshouldbeconductedwithextraction ventilation(seeLegalAspects).
FUELS(SeeFire,LegalAspects, Chemicals-General,Solvents)
Usedasfuelsandcleaningagents.
Gasoline(Petrol)
CAUTION
HIGHLYFLAMMABLE,COMBUSTIBLE.
Swallowingcanresultinmouthandthroatirritation; absorptionfromthestomachcanresultin drowsinessandunconsciousness.Smallamounts canbefataltochildren.Aspirationofliquidintothe lungs,i.e.,throughvomiting,isaveryserioushazard.
Prolongedorrepeatedcontactwithgasolinedries theskinandcausesirritationand/ordermatitis. Liquidintheeyecausesseverepain.
Motorgasolinemaycontainhighquantitiesof benzenewhichistoxicuponinhalation;the concentrationsofgasolinevaporsmustbekeptvery low.Highconcentrationswillcauseeye,noseand throatirritation,nausea,headache,depressionand symptomsofdrunkenness.Veryhighconcentrationswillresultinrapidlossofconsciousness.
Ensurethereisadequateventilationwhenhandling andusinggasoline.Greatcaremustbetakento avoidtheseriousconsequencesofinhalationinthe eventofvaporbuilduparisingfromspillagesin confinedspaces.
Specialprecautionsapplytocleaningandmaintenanceoperationsongasolinestoragetanks.
Gasolineshouldnotbeusedasacleaningagent.It mustnotbesiphonedbymouth.
Kerosene(Paraffin)
Usedalsoasheatingfuel,solvent,andcleaning agent.
CAUTION
FLAMMABLE
Irritationofthemouthandthroatmayresultfrom swallowing.Themainhazardfromswallowingarises ifliquidaspirationintothelungsoccurs.Liquid contactdriestheskinandcancauseirritationand/or dermatitis.Splashesintheeyemaybeslightly irritating.
Innormalcircumstances,thelowvolatilitydoesnot giverisetoharmfulvapors.Exposuretomistsand vaporsfromkeroseneatelevatedtemperatures shouldbeavoided(mistsmayariseindewaxing). Avoidskinandeyecontact;besurethereisadequate ventilation.
DieselFuel(Gas-Oil)(SeeFuels-Kerosene)
CAUTION
Wearasuitablebreathingmaskwhenusing sandblastingequipment,workingwithasbestos basedmaterials,orusingsprayingequipment.
COMBUSTIBLE
Grossorprolongedskincontactwithhighboilinggas oilsmaycauseseriousskindisorders,includingskin cancer.
GASCYLINDERS(SeeFire)
Gasessuchasoxygen,acetylene,carbondioxide, argon,andpropanearenormallystoredincylinders atpressuresofupto137.8bar(2000PSI).Great careshouldbetakeninhandlingthesecylindersto avoidmechanicaldamagetothemorthevalvegear attached.Thecontentsofeachcylindershouldbe clearlyidentifiedbyappropriatemarkings.
Cylindersshouldbestoredinwell-ventilated enclosuresandprotectedfromice,snow,ordirect sunlight.Fuelgases,i.e.,acetyleneandpropane, shouldnotbestoredincloseproximitytooxygen cylinders.
Careshouldbeexercisedtopreventleaksfromgas cylindersandlinesandtoavoidsourcesofignition.
Onlytrainedpersonnelshouldundertakework involvinggascylinders.
GASES(SeeGasCylinder)
GASSHIELDINGWELDING(SeeWelding)
GASWELDING(SeeWelding)
GENERALWORKSHOPTOOLSAND
EQUIPMENT
Itisessentialthatalltoolsandequipmentare maintainedingoodconditionandthecorrectsafety equipmentusedwhererequired.
Neverusetoolsorequipmentforanypurposeother thanforwhichtheyweredesigned.
Neveroverloadequipmentsuchashoists,jacks, axleandchassisstands,orliftingslings.Damage causedbyoverloadingisnotalwaysimmediately apparentandmayresultinafatalfailurethenexttime theequipmentisused.
Donotusedamaged,defectivetoolsorequipment, particularlyhigh-speedequipmentsuchasgrinding wheels.Adamagedgrindingwheelcandisintegrate withoutwarningcausingseriousinjury.
Wearsuitableeyeprotectionwhenusinggrinding, chiseling,orsandblastingequipment.
GLUES(SeeAdhesiveandSealers)
HIGH-PRESSUREAIR,LUBRICATIONAND OILTESTEQUIPMENT
(SeeLubricantsandGreases)
Alwayskeephigh-pressureequipmentingood conditionandregularlymaintained,particularlyjoint andunions.
Neverdirectahigh-pressurenozzleattheskin,as thefluidmaypenetratetotheunderlyingtissueand cancauseseriousinjury.
LEGALASPECTS
Manylawsandregulationsmakerequirements relatingtohealthandsafetyintheuseofmaterials andequipmentinworkshops.
Workshopsshouldbefamiliar,indetail,withthese lawsandregulations.
LUBRICANTSANDGREASES
Avoidallprolongedandrepeatedcontactwith mineraloils,especiallyusedoils.Grossand prolongedskincontactwithusedoilscontaminated duringservice,i.e.,routineservicechangesumpoils, aremoreirritatingandmorelikelytocauseserious effects,includingskincancer.
Washskinthoroughlyafterworkinvolvingoil. Proprietaryhandcleanersmaybeofvalueprovided theycanberemovedfromtheskinwithwater.Donot usepetrol,paraffin,orothersolventstoremoveoil fromtheskin.
Lubricantsandgreasesmaybeslightlyirritatingto theeyes.
Repeatedorprolongedskincontactshouldbe avoidedbywearingprotectiveclothing,ifnecessary. Particularcareshouldbetakenwithusedoilsand greasescontaininglead.Donotallowworkclothing tobecontaminatedwithoil.Drycleanorlaunder suchclothingatregularintervals.Discardoil-soaked shoes.
Donotusepreviouslyusedengineoilsaslubricants orforanyapplicationwheremajorskincontactis likelytooccur.Usedoilsmayonlybedisposedofin accordancewithlocalregulations.
NOISEINSULATIONMATERIAL(See Foams,FiberInsulation)
PAINTS(SeeSolventsandChemical Materials-General)
CAUTION
HIGHLYFLAMMABLE
Paintscancontainharmfulortoxicpigments,driers, andothercomponents,aswellassolvents.Spraying shouldonlybecarriedoutwithadequateventilation.
Two-partorcatalyzedpaintscanalsocontain harmfulandtoxicunreactedresinsandresin-hardeningagents.Themanufacturerísinstructions shouldbefollowedandthesectiononresin-based adhesives,isocyanatecontainingadhesiveand foamsshouldbeconsulted.
Sprayingshouldpreferablybecarriedoutin exhaustedventilatedbooths,removingvaporand spraymistsfromthebreathingzone.Individuals workinginboothsshouldwearrespiratoryprotection. Thosedoingsmall-scalerepairworkintheopen shopshouldwearsuppliedairrespirators.
PAINTTHINNERS(SeeSolvents)
PRESSURIZEDEQUIPMENT(SeeHighPressureAir,LubricationandOilTest Equipment)
RESISTANCEWELDING(SeeWelding)
SEALERS(SeeAdhesivesandSealers)
SOLDER(SeeWelding)
Soldersaremixturesofmetalsinwhichthemelting pointofthemixtureisbelowthatofconstituentmetals (normallyleadandtin).Solderapplicationdoesnot normallygiverisetotoxicleadfumes,provideda gas/airflameisused.Oxyacetyleneflamesshould notbeused,astheyaremuchhotterandwillcause leadfumestobereleased.
Somefumesmaybeproducedbytheapplicationof anyflametosurfacescoatedwithgrease,etc.,and inhalationoftheseshouldbeavoided.
Removalofexcesssoldershouldbeundertakenwith caretoensurefineleaddustisnotproduced,which cancausetoxiceffectsifinhaled.Respiratory protectionmaybenecessary.
Solderspillageandfilingshouldbecollectedand removedpromptlytopreventgeneralaircontaminationbylead.
Highstandardsofpersonalhygienearenecessaryin ordertoavoidingestionofleadorinhalationofsolder dustfromclothing.
SOLVENTS(SeeChemicalMaterialsGeneral,Fuels[Kerosene],Fire)
Acetone,Whitespirit,Toluene,Xylene,Trichlorethane.
Usedincleaningmaterials,dewaxing,paints, plastics,resins,thinners,etc.
CAUTION
HIGHLYFLAMMABLE
Skincontactwilldegreasetheskinandmayresultin irritationand/ordermatitisfollowingrepeatedor prolongedcontact.Somecanbeabsorbedthrough theskinintoxicorharmfulquantities.
Splashesintheeyemaycausesevereirritationand couldleadtolossofvision.
Briefexposuretohighconcentrationsofvaporsor mistswillcauseeyeandthroatirritation,drowsiness, dizziness,headachesand,intheworstcircumstances,unconsciousness.
Repeatedorprolongedexposurestoexcessive,but lowerconcentrationsofvaporsormists,forwhich theremightnotbeadequatewarningindications,can causemoreserioustoxicorharmfuleffects. Aspirationintothelungs,i.e.,throughvomiting,isthe mostseriousconsequence.
Avoidsplashestotheskin,eyes,andclothing.Wear protectivegloves,goggles,andclothingifnecessary. Ensuregoodventilationwheninuse,avoidbreathing fumes,vapors,andspraymists.Keepcontainers tightlysealed.Donotuseinconfinedspaces.
Whenthesprayingmaterialcontainssolvents,e.g., paints,adhesives,andcoatings,useextraction ventilationorpersonalrespiratoryprotectioninthe absenceofadequategeneralventilation.
Donotapplyheatorflame,exceptunderspecificand detailedmanufacturerísinstructions.
SOUNDINSULATION(SeeFiberInsulation, Foams)
SPOTWELDING(SeeWelding)
SUSPENDEDLOADS
Thereisalwaysadangerwhenloadsareliftedor suspended.Neverworkunderanunsupported, suspended,orraisedload,e.g.,jacked-upvehicle, suspendedengine,etc.
Alwaysensureliftingequipmentsuchasjacks, hoists,axlestands,slings,etc.,areadequateand suitableforthejob,ingoodcondition,andregularly maintained.
Neverimproviseliftingtackle.
UNDERSEAL(SeeCorrosionProtection)
WELDING(SeeFire,ElectricShock,Gas Cylinders)
WeldingprocessesincludeResistanceWelding (SpotWelding),ArcWelding,andGasWelding.
ResistanceWelding
Thisprocessmaycauseparticlesofmoltenmetalto beemittedathighvelocity;theeyesandskinmustbe protected.
ArcWelding
Thisprocessemitsahighlevelofultravioletradiation whichmaycauseeyeandskinburnstothewelder andtootherpersonsnearby.Gas-shieldedwelding processesareparticularlyhazardousinthisrespect. Personalprotectionmustbewornandscreensused toshieldotherpeople.
Metalspatterwillalsooccur;appropriateeyeand skinprotectionisnecessary.
appliedcoatingsorcontaminationofthesurfaces beingworkedon.Thesegasesandfumesmaybe toxic;inhalationshouldalwaysbeavoided.Theuse ofextractionventilationtoremovethefumesfromthe workingareamaybenecessary,particularlyincases wherethegeneralventilationispoor,orwhere considerableweldingworkisanticipated.Inextreme caseswhereadequateventilationcannotbe provided,suppliedairrespiratorsmaybenecessary.
GasWelding
Oxyacetylenetorchesmaybeusedforweldingand cutting;specialcaremustbetakentoprevent leakageofthesegases,subsequentlyreducingthe riskoffireandexplosion.
Theprocesswillproducemetalspatter;eyeandskin protectionisnecessary.
Theflameisbrightandeyeprotectionshouldbe used,buttheultravioletemissionismuchlessthan thatfromarcwelding,andlighterfiltersmaybeused.
Theprocessitselfproducesfewtoxicfumes,but suchfumesandgasesmaybeproducedfrom coatingsonthework,particularlyduringcuttingaway ofdamagedparts.Inhalationofthefumesshouldbe avoided.
Inbrazing,toxicfumesmaybereleasedfromthe metalsinthebrazingrod.Aseverehazardmayarise ifbrazingrodscontainingcadmiumareused.Inthis event,particularcaremustbetakentoavoid inhalationoffumes;anexpertísadvicemaybe required.
SPECIALPRECAUTIONSMUSTBETAKEN BEFOREANYWELDINGORCUTTINGTAKES PLACEONVESSELSWHICHHAVECONTAINED COMBUSTIBLEMATERIALS,I.E.,ìBOILINGîOR ìSTEAMINGOUTîTHEINSIDEOFFUELTANKS.
WHITESPIRIT(SeeSolvents)
Theheatoftheweldingarcwillproducefumesand gasesfromthemetalsbeingweldedandfromany
TRACTORIDENTIFICATION
TRACTORIDENTIFICATIONDATA
Thetractorandmajorcomponentsareidentifiedusing serialnumbersand/ormanufacturingcodes.The followingprovidesthelocationsoftheidentificationdata.
NOTE: Tractoridentificationdatamustbesupplied whenrequestingpartsorservice.
Identificationdataisneededtoaidinidentifyingthe tractorifitiseverstolen.
VEHICLEIDENTIFICATIONPLATE
Thevehicleidentificationplateonthe70Series,is locatedinsidetherightfrontlowersidepanelofthe hoodat1.
Thevehicleidentificationplateonthe70ASeries,is locatedinsidetheupperrightsidepanelofthehood at2.
Ownersshouldrecordtheinformationonthesample IDplate.
TheIDplateisstampedwiththefollowing information:
TRACTORNUMBER- Serialnumberprefixedbythe letterìD.î
MODEL- Productionmodelcode.
UNIT- Productionunitdatecode.*
ENGINE- Serialnumber.
TRANSMISSION- Serialnumber.
REARAXLE- Rearaxleserialnumber.
FRONTAXLE- Serialnumber.
HYDRAULICPUMP- Serialnumber.
HYDRAULICLIFT- Blank
FWDFACTOR- Four-wheel-drivefactor.
SPECIALORDER- Blank
*KEYTOPRODUCTIONDATECODES:
TheunitheadingontheIDplaterepresentsthe productiondateofthetractor.
Twotypesofproductiondatecodesareused.One stylestartswithanumeral(example4A03B)while thesecondstylestartswithaletter(exampleA0314).
Thefollowingexamplesexplaineachcode.Referto thestylecodeusedonthetractorbeingworkedon.
ExampleofProductionUnitCode4A03B:
4=Yearofproduction (4=1994,5=1995)
A=Monthofyear (A=January,B=February,...H=August, J=September,...M=December)
NOTE:ìIîisnotused.
03=Dayofmonth
(03=third,04=fourth,...31=thirty-first)
B=Shift (A=night,B=day,C=afternoon)
ExampleofProductionUnitCodeA0314:
A=Monthofyear
(A=January,B=February,...H=August, J=September,...M=December)
NOTE:ìIîisnotused.
03=Dayofmonth (03=third,04=fourth,...31=thirty-first)
1=Shift (1=day,2=afternoon,3=night)
4=Yearofproduction (4=1994,5=1995)
TRACTORIDENTIFICATIONSTAMPING
Theserialnumberandidentificationinformation,1, isstampedonthetopofthefrontsupport.
FOURWHEELDRIVE(FWD)FRONTAXLE IDENTIFICATION
Theserialnumberandaxletypeforthe70Seriesis ontheplate,1,locatedonthefrontoftheaxle housing.
ENGINEIDENTIFICATION
FUELINJECTIONPUMPIDENTIFICATION
NOTE: 70SeriesartshowninFigure9.
Theserialnumberandpumpinformationareonthe plate,1,onthepump.
NOTE: Theplatelocationdiffersslightlyforallthe models.
Thefollowingisakeytotheidentificationplate:
• 011=Factorycode(Germany)
• 362020132315194=Serialnumber
• 0400876405=Supplierordernumber
• PES6A95D410RS2835=Alphanumeric productiondesignation
PE=Inlineinjectionpumpwithcamshaft
S=Flange-mounted
6=Numberofcylinders
A=Sizepump(A-8670and8770, P-8870and8970)
95=Plungerdiameterin1/10mm (915mm)
D=Pumpmodel(ìDîisthelatest versionofìAîsizepumps)
410=Numbercodeforlocationoffeed pumpandgovernor
R=Rotationofpumpasseenfrom driveend(righthand=clockwise)
S2835=Applicationnumber(indicateswhat modelNewHollandtractorthisisused on)
STARTERMOTORIDENTIFICATION
Theserialnumberandstarterinformationareonthe plate,1,onthestarterhousing.
TRANSMISSIONIDENTIFICATION
Theserialnumberandtypearelocatedontheplate, 1,onthelowerrightsideofthetransmission.
TANDEMGEARPUMPIDENTIFICATION
Theserialnumberandpumpidentificationinformationareontheplate,1,onthepumphousing.
AXIALPISTONPUMPIDENTIFICATION
Theserialnumberandpumpidentificationinformationareontheplate,1,onthepumphousingnextto thecasedrainport.
REARAXLEIDENTIFICATION
Theserialnumber,1,isstampedontheleftsideof thePTObossontherearaxlehousing.
CABIDENTIFICATION
Theserialnumberisonthecertificationplate,1,on therearcrossbar.
SERVICETECHNIQUES
GENERAL
Cleantheexteriorofallcomponentsbeforecarrying outanyformofrepair.Dirtandabrasivedustcan reducetheefficientworkinglifeofacomponentand leadtocostlyreplacement.
Timespentonthepreparationandcleanlinessof workingsurfaceswillpaydividendsinmakingthejob easierandsaferandwillresultinoverhauled componentsbeingmorereliableandefficientin operation.
Usecleaningfluidswhichareknowntobesafe. CertaintypesoffluidcancausedamagetoOrings andcauseskinirritation.Solventsshouldbechecked thattheyaresuitableforthecleaningofcomponents andalsothattheydonotriskthepersonalsafetyof theuser.
ReplaceOrings,sealsorgasketswhenevertheyare disturbed.NevermixnewandoldsealsorOrings, regardlessofcondition.Alwayslubricatenewseals andOringswithhydraulicoilbeforeinstallation.
Whenreplacingcomponentparts,usethecorrect toolforthejob.
HOSESANDTUBES
Alwaysreplacehosesandtubesiftheconeendor theendconnectionsonthehosearedamaged.
Wheninstallinganewhose,looselyconnecteach endandmakesurethehosetakesupthedesigned positionbeforetighteningtheconnection.Clamps
shouldbetightenedsufficientlytoholdthehose withoutcrushingandtopreventchafing.
Afterhosereplacementtoamovingcomponent, checkthatthehosedoesnotfoulbymovingthe componentthroughthecompleterangeoftravel.
Besureanyhosewhichhasbeeninstalledisnot kinkedortwisted.
Hoseconnectionswhicharedamaged,dented, crushedorleaking,restrictoilflowandthe productivityofthecomponentsbeingserved. Connectorswhichshowsignsofmovementfromthe originalswagedpositionhavefailedandwill ultimatelyseparatecompletely.
Ahosewithachafedoutercoverwillallowwater entry.Concealedcorrosionofthewirereinforcement willsubsequentlyoccuralongthehoselengthwith resultanthosefailure.
Ballooningofthehoseindicatesaninternalleakage duetostructuralfailure.Thisconditionrapidly deterioratesandtotalhosefailuresoonoccurs.
Kinked,crushed,stretchedordeformedhoses generallysufferinternalstructuraldamagewhichcan resultinoilrestriction,areductioninthespeedof operationandultimatehosefailure.
Free-moving,unsupportedhosesmustneverbe allowedtotoucheachotherorrelatedworking surfaces.Thiscauseschafingwhichreduceshose life.
ORINGFLATFACESEALFITTINGS
WhenrepairingOringfacesealconnectors,the followingproceduresshouldbeobserved.
WARNING
Neverdisconnectortightenahoseortubethat isunderpressure.Ifindoubt,actuatethe operatingleversseveraltimeswiththeengine switchedoffpriortodisconnectingahoseor tube.
1.Releasethefittingsandseparatethehoseor tubeassembly,thenremoveanddiscardtheO ringsealfromthefitting.
2.DipanewOringsealintocleanhydraulicoilprior toinstallation.InstallanewOringintothefitting and,ifnecessary,retaininpositionusing petroleumjelly.
3.Assemblethenewhoseortubeassemblyand tightenthefittingfingertight,whileholdingthe tubeorhoseassemblytopreventitfromturning.
4.Usetwosuitablewrenchesandtightenthefitting tothespecifiedtorqueaccordingtothesizeofthe fitting.Refertothefollowingtorquechart.
NOTE: Toensurealeak-freejointisobtained,itis importantthatthefittingsarenotoverorunder torqued.
ORINGFLATFACESEALFITTINGTORQUEVALUES
SEALERSPECIFICATIONS
Thefollowingsealersshouldbeusedasdirectedinthemanual:
AnaerobicsealerLOCTITEGASKETELIMINATOR518
RTVsiliconesealerLOCTITESUPERFLEX593,595or596
LOCTITEULTRABLUE587
DOWCORNINGSILASTIC732
GENERALELECTRICRTV103OR108
PipesealantPST592PIPESEALANTWITHTEFLON
Thread-lockingcompoundLOCTITE271THREADLOCKER/SEALANT(red)
HARDWARETORQUEVALUES
Checkthetightnessofhardwareperiodically.
Usethefollowingchartstodeterminethecorrect torquewhenchecking,adjustingorreplacing hardwareonthetractor.
IMPORTANT: DONOTusethevalueslistedinthe chartsifadifferenttorquevalueortightening procedureisspecifiedinthismanualforaspecific application.Torquevalueslistedareforgeneraluse only.
Makesurefastenerthreadsarecleanandnot damaged.
NOTE: Atorquewrenchisnecessarytoproperly torquehardware.
MINIMUMHARDWARETIGHTENINGTORQUES
INFOOTPOUNDS(NEWTON-METERS)FORNORMALASSEMBLYAPPLICATIONS
METRICHARDWAREANDLOCKNUTS
SIZEUNPLATEDPLATEDUNPLATEDPLATEDUNPLATEDPLATEDW/CL8.8 W/ZnCrW/ZnCrW/ZnCrBOLT
NOTE:Torquevaluesshownwith*areinchpounds.
IDENTIFICATION
PROPERTYCLASS HEXNUTSANDLOCKNUTS CLASSES05ANDUP
MANUFACTURERíSIDENTIFICATION