New Holland Boomer 8N Compact Tractor Service Repair Manual

INTRODUCTION

ThisservicemanualprovidesthetechnicalinformationneededtoproperlyservicetheNewHolland Boomer8NCVTtransmission.Usethismanualin conjunctionwiththeoperatorísmanualforcomplete operation,adjustment,andmaintenanceinformation.

OnNewHollandequipment,leftandrightare determinedbystandingbehindtheunit,lookingin thedirectionoftravel.

PRECAUTIONARY STATEMENTS

PERSONALSAFETY

Thisisthesafetyalertsymbol.Itisusedtoalertyoutopotential personalinjuryhazards.Obeyallsafetymessagesthatfollowthis symboltoavoidpossibleinjuryordeath.

Throughoutthismanualandonmachinedecals,youwillfindsignalwords DANGER, WARNING,and CAUTION followedbyspecificinstructions.Theseprecautionsareintendedforthepersonalsafetyofyouandthoseworking withyou.Pleasetakethetimetoreadthem.

DANGER

DANGERindicatesahazardoussituationwhich,ifnotavoided,willresult indeathorseriousinjury.The colorassociatedwithDangerisRED.

M1169A

WARNING

WARNINGindicatesahazardoussituationwhich,ifnot avoided,couldresultindeathorseriousinjury. ThecolorassociatedwithWarningisORANGE.

CAUTION

CAUTION,usedwiththesafetyalert symbol,indicatesahazardoussituationwhich,ifnotavoided,could resultinminorormoderateinjury.ThecolorassociatedwithCautionisYELLOW.

FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIO NINSTRUCTIONSCOULDRESULTINDEATH ORSERIOUSINJURY.

MACHINESAFETYANDINFORMATION

NOTICE isusedtoaddresspracticesnotrelatedtopersonalinjury.

NOTICE: Thesignalword NOTICE isusedthroughoutthismanualfollowedbyspecificinstructions.These messagesareintendedformachinesafety,ortoidentifyandpresentsupplementaryinformation.

M1170A

M1171A

TECHNICALINFORMATION

HARDWARE

GENERAL

TheBoomer8Ntractorhasbeenbuiltusingmetric hardware.

NOTICE: Besuretousethehardwarespecified whenusingtappedholes,astryingtoinstallametric boltinaninchthread,oraninchboltinametric thread,willdamagethethread.

Certainhardwaremustbetightenedtospecific torquespecifications.Ifspecifictorquespecifications arenotnoted,tightenthehardwaretothestandard torquechartspecificationlistedinthismanual.

PLATING

HardwareusedonNewHollandtractorsisplated withzincchromate(goldcolor).Goldcolored hardwarehasdifferenttorquingrequirementsfrom unplatedorzincplated(silvercolor)hardware becauseofthedifferenceinthecoefficientoffriction oftheplatingmaterial.Thetorquechartsinthis manuallistthecorrectspecificationsforgold,silver, andunplatedbolts.

NUTTIGHTENING

Wheneverpossible,thenutshouldbetightened,not theheadofthebolt.Whentighteningusingthebolt head,theclamploadcanbelostbecausesomeof thetorqueappliedtwiststheboltinsteadof tensioning(stretching)it.Thetensionontheboltis whatholdsthejointtogether.

Approximately90%ofthetorqueappliedduring assemblygoestoovercomingfrictionbetweenthe parts.Theother10%isusedtotension(stretch)the bolt.Afterassembly,thefrictionalforcesdisappear, whichisthebasisforthesayingìIfitdoesnotfail duringassembly,itwillnotfailinservice.îThebolt maylaterfailduetootherfactors,butnotfrombeing overtightened.

LOCKNUTS

Mostlocknutsarecoatedwithaspeciallubricantthat isdrytothetouch.Anytimealocknutisused,alower thannormaltorqueisrequired.Refertothetorque chartsinthismanualforspecificvalues.

JAMNUTS

Whenusingajamnuttolockaregularnut,thejam nutshouldbeinstalledfirstandtightenedtoonehalf therecommendedtorque,thenheldinplacewhile installingaregularnuttotherecommendedtorque.

THREADLUBRICATION

Theadditionofanti-seizecompound,Molykote,oil, graphite,oranyotherlubricanttoaboltdecreases thefrictionbetweenitandanut.Thismakesit necessarytoreducetherecommendedtorqueto preventovertensioningofthebolt.Whenusingthe torquechartsinthismanual,decreasethevalueby 20%wheneveralubricantisused.

WORKINGSAFELY

1.Duringthemanufacturingofthistractor,every stephasbeentakentoensuresafeoperation. However,thebestwaytoavoidaccidentsisto exercisecautionatalltimes.Oncetheaccident hasalreadyhappeneditistoolatetoremember whatstepsshouldhavebeentaken.

2.Readthismanualcarefullybeforestarting,using, carryingoutmaintenance,refuelingorperforminganyothertypeofoperationonthetractor.

3.Thetimespentreadingthismanualwillallowyou togettoknowyourtractor,therebysavingtime andeffort.Thiswillalsohelppreventaccidents fromtakingplace.

4.Readallthesafetydecalsonthemachineand followtheinstructionsthereonbeforestarting, operating,refuelingorcarryingoutmaintenance onthemachine.Promptlyreplaceanydecals thataredamaged,lostorillegible.

Cleanthedecalsiftheyarecoveredbymudor debris.

5.Rememberthatthetractorisexclusivelydesigned foragriculturaluse.Anyotherusewillrequireprior authorizationfromCNHAmericaLLC.

6.Itisadvisabletokeepafirstaidkitonhand.

7.Thetractormustonlybeusedbyresponsible personnel,trainedintractoruseandauthorized tooperatethemachine.

8.Donotaltertheinjectionsystemcalibrationinan attempttoincreasemaximumenginespeed.

9.Donotwearlooseclothingthatmaybetrapped inmovingparts.

Checkthatallrotatingpartsconnectedtothe powertake-offarecorrectlyprotected.

10.Donotalterthecalibrationofthepressurerelief valvesinthevarioushydrauliccircuits(steering, hydrauliclift,auxiliarydistributors,etc.).

11.Avoidusingthetractorinunsuitablephysical conditions,stopworkinstead.

12.Enterandleavethetractorusingthestepsand handlesprovided.Keepthesefittingsfreeofmud anddebris.

STARTINGTHETRACTOR

1.Beforestartingtheengine,checkthatthehand brakeisonandthatthetransmissionshuttleshift leverandpowertake-offaredisengaged,evenif thetractorisfittedwithastart-upsafetydevice. Neverdisconnectthestart-upsafetyswitch.Ifthe switchdoesnotworkcorrectly,contactyourlocal dealerforeventualrepairoperations.

2.Beforestartingtheengine,makesurethatall attachedimplementsareloweredtotheground.

3.Beforestartingtheengine,checkthatallcovers andguardsarecorrectlyinposition(hoodside panels,powertake-offguard,frontaxle transmissionshaftcover,etc.).

4.Neverstartormaneuverthetractorunless seatedinthedrivingposition.

5.Beforemovingthetractor,alwayscheckthatthe areaisfreeofpersonsorobstacles.

6.Neverruntheengineinaclosedspacewithout ensuringadequateventilation.Exhaustfumes aredamagingtothehealthandcanbelethal.

USINGTHETRACTOR

1.Selectthemostsuitablewheelsettingforthe workinhand,i.e.:thesettingthatprovidesthe beststability.

2.Depressthespeedcontrolpedalslowly:if engagedtooquickly,especiallywhenthetractor isgettingoutofahole,ditchoroperatingon muddygroundorsteepslopes,thetractormay overturn.

Releasethespeedcontrolpedalimmediatelyif frontwheelsbegintolift.

3.Whentravelingdownhill,keepthetractoringear. Neverplaceshuttleshiftleverintheneutral position.

4.Whenthetractorismoving,theoperatormust remaincorrectlyseatedinthedrivingposition.

5.Nevergetonoroffthetractorwhileinmovement.

6.Whenusingthebrakes,pressthepedaldown slowly.

7.Avoidtakingturnsathighspeeds.

8.Alwaysusethetractorataspeedthatwill guaranteesafeoperationonthetypeofland beingworked.Whenworkingonunevenground, usemaximumcaretoensureproperstability.

9.Ifyouhavetoworkwiththetractoronagradient, forexampleonhillsides,driveatmoderatespeed especiallywhentakingturns.

10.Proceedwithmaximumcautionwhenworking withthewheelsneartheedgeofditchesor slopes.

11.Whendrivingonpublichighways,observethe HighwayCode.

12.Whendriving,donotrestyourfeetonthebrake pedals.

13.Neverhaulpassengersontractor.

Whendrivingonroads,connectthebrakepedals usingtheplateprovided.Brakingwhenthe pedalsarenotconnectedcouldcausethetractor toskid.Avoidexcessivewearonthebrakesby usingenginebraking.

TOWINGANDTRANSPORT

1.Toguaranteetractorstabilitywhenmoving, adjustthehitchingdeviceaccordingtothetrailer orimplementtobeused.

2.Driveslowlywhentowingextremelyheavyloads.

3.Foryourownsafety,donottowtrailersthatare notfittedwithanindependent brakingsystem.

4.Ifthetractorisusedtotowheavyloads,always usethehitchingdeviceandneverhitchloads ontothelowerarmsorthetoplinkofthe three-pointlinkage.Thismayresultintippingor overturning.

5.Whentowing,donotnegotiateturnswiththe differentiallockengagedasthismaypreventyou fromsteeringthetractor.

USINGIMPLEMENTSANDAGRICULTURAL MACHINERY

1.Donotconnectimplementsormachinerythat requiremorepowerthancanbegeneratedby yourtractormodel.

2.Nevernegotiatesharpturnswiththepower take-offunderaheavyload;thismaydamagethe universaljointsonthetransmissionshaft connectedtothepowertake-off.

3.Neverstandbetweenthereversingtractorand theimplementwhenhitching.

4.Whenusingimplementsthatrequirethetractor tobestationarywiththeenginerunning,keepthe shuttleleverintheneutralposition,applythe handbrakeandusesuitablewheel chocks.

5.Donotoperatemachinesconnectedtothepower take-offwithoutfirstensuringthattheoperating rangeofthemachineisfreeofbystanders. Alsocheckthatallrotatingpartsconnectedtothe powertake-offshaftarecorrectlyprotected.

6.Addsometypeofrearballastwhenusinglifting equipmentfittedtothefrontofthetractor.Rear ballast,suchas,rearwheelweights,fluidinrear tiresor3ptweightbox.

STOPPINGTHETRACTOR

1.Whenthetractorisstationary,neverleave connectedimplementsintheraisedposition.All implementsmustbeloweredbeforestoppingthe engine.

2.Beforeleavingthedrivingposition,movethe transmissionshuttleshiftlevertotheneutral position,disengagethepowertake-off,applythe handbrakeandstoptheengine. Alwaysremovetheignitionkeyfromthe dashboardwhenleavingthetractorunattended.

3.Parkonflatsurfaces,wherepossible,putthe tractorintogearandapplythehandbrake.Asan additionalsafetymeasure,usewheelchocks (availableasanoptional);thisprocedureis compulsorywhenparkingwithatrailerhitched.

SERVICINGTHETRACTOR

CAUTION

Somephotographsinthismanualmayshow shieldsorcoverpanelsremovedforpurposesof clarity.

NEVEROPERATEunitwithoutallshieldsand coverpanelsinplace.

1.Donotworkonthetireswithunsuitable equipmentorwithoutthenecessaryexperience. Incorrecttirefittingmayputsafetyatrisk.Ifin doubt,contactskilledpersonnel.

2.Whenchangingorstoringtires,makesurethey arestackedcorrectlyandcannotrollortopple overcausingpersonalinjury.

3.Beforeremovinganyhydraulictubing,checkthat thesystemisnotpressurized.

4.Leaksofpressurizedoilcancauseserious injuries.Whenlookingforleaksusethe appropriatesafetyequipment:screens,safety glassesandgloves.

5.Beforetouchinganyelectricalcomponents, disconnectthegroundleadfromthebattery.

6.Onlyremovetheradiatorcapaftertheengine hasbeenallowedtocool.Withtheengine switchedoff,useaclothtoslowlyunscrewthe capandreleasethepressurebeforecompletely removingthecap.

7.Beforeinspecting,cleaningorcarryingout maintenanceonthetractor(oranyimplement connectedtothetractor),alwaysensurethatthe engineisswitchedoff,thetransmissionshuttle shiftleverinneutral,thebrakesareon,thepower take-offisdisengagedandthatallmovingparts arestationary.

8.Alwayskeepafireextinguisherathand.

DIESELFUEL

1.UNDERNOCIRCUMSTANCESshouldgasoline,alcohol,orblendedfuelsbeaddedtodiesel fuel.Thesecombinationscancreatean increasedfireorexplosivehazard.Suchblends aremoreexplosivethanpuregasolineina closedcontainersuchasafueltank.DONOT USETHESEBLENDS.

2.Neverremovethefuelcaporrefuelwiththe enginerunningorhot.

3.Donotsmokewhilerefuelingorwhenstanding nearfuel.

4.Maintaincontrolofthefuelfillerpipenozzlewhen fillingthetank.

5.Donotfillthefueltanktocapacity.Allowroomfor expansion.

6.Lowsulfurdieselfuelrequired.

WHENYOUSEETHISSYMBOL ITMEANS:

SAFETYDECALS

Thefollowingsafetydecalshavebeenplacedon yourmachineintheareasindicated.Theyare intendedforyourpersonalsafetyandforthose workingwithyou.Pleasetakethismanualandwalk aroundyourmachinetonotethecontentandlocation ofthesewarningsigns.Reviewthesewarningsigns

andtheoperatinginstructionsdetailedinthismanual withyourmachineoperators.

Keepthedecalslegible.Iftheyarenot,obtain replacementsfromyourauthorizeddealer.Thedecal replacementpartnumbersarelistedwitheachdecal.

WARNING:PullOnlyFromDrawbar

PARTNO:86532904

LOCATION:PTOShield

WARNING:RotatingFan andBelts

PARTNO:86532907

LOCATION:Bothsidesof RadiatorShroud

DANGER:BatterySafety PARTNO:82037580

LOCATION:InFrontofBattery

WARNING:BeforeStartingandOperating PARTNO:86401125B

LOCATION:LeftSidePod

DANGER:ROPS

PARTNO:86543805_D

LOCATION:TopUnderSideofROPS

WARNING:TractorDismounting PARTNO:84222486

LOCATION:TopLeftDash

WARNING:ToJumpStart PARTNO:86402367

LOCATION:Infrontofbattery

IMPORTANT:DisconnectTransmission PARTNO:84173942

LOCATION:TopLeftDash

WARNING:CoolingSystem UnderPressure PARTNO:82029421

LOCATION:AirFilterIntakeTube

DANGER:StartEngineOnlyFrom OperatorísSeat PARTNO:82985062

LOCATION:OnTopofStarter

WARNING:OperateControlsonlyfrom Tractorseat PARTNO:87300025

LOCATION:PTOShield

INSTRUCTIONDECALS

PTOEngagement

PARTNO:84143212

LOCATION:Left-Hand PODnearFloor (WithMidPTOOnly)

Forward-ReverseShuttle

PARTNO:87301625

LOCATION:TopLeftofDash

PositionControl

Lever

PARTNO:86567896

LOCATION: Right-HandPODTop

OperatingRemote

Control

Valve-Single

Spool(Optional)

PARTNO:86567895

LOCATION: Right-HandPODTop

DifferentialLock

PARTNO:86532901

LOCATION:Above PedalLeftSideof OperatorísPlatform

FlowControlValve

PARTNO:86400295

LOCATION:TopofFlow ControlKnob

StarterSwitch

PARTNO:87656846

LOCATION:Starter Switch,RightSideof InstrumentPanel

EngineOil PARTNO:86532916

LOCATION:EngineOil FillerCap

Hyd.ManifoldOperation (SeeOperatorísManual)

PARTNO:86532914

LOCATION:RightSide FrameRailUnderneath OperatorísPlatform

Lubricationand MaintenanceIntervals

PARTNO:84181050

LOCATION:InsideofHood

AirCleanerMaintenance

PARTNO:86401636

LOCATION:AirCleanerCanister

RedReflectiveTape

PARTNO:86547781

LOCATION:BackRearFender (BothSides)

Code

ParkingBrake

PARTNO:86521672

LOCATION:Rightsideofoperatorís platform

Throttle

PARTNO:81863547

LOCATION:TopRightDash

LowSulfurFuel

PARTNO:84224768

LOCATION:LeftRearPostofROPS,nearfueltank

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