New Holland T8.275 User manual

Part number 47533593
2nd edition English
October 2013
SERVICE MANUAL
T8.275 / T8.300 / T8.330 /
T8.360 / T8.390 / T8.420
Continuously Variable Transmission (CVT)
Tractor
PIN ZCRC02586 and above
PrintedinU.S.A.
Copyright © 2013 CNH America LLC. All Rights Reserved. NewHollandisaregisteredtrademarkofCNH America LLC.
Racine Wisconsin 53404 U.S.A.

Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.101]Cylinderheads.....................................................................10.2
[10.114]Pumpdrives........................................................................10.3
[10.202]Aircleanersandlines..............................................................10.4
[10.216]Fueltanks..........................................................................10.5
[10.310]Aftercooler..........................................................................10.6
[10.400]Enginecoolingsystem.............................................................10.7
[10.414]Fananddrive......................................................................10.8
[10.500]SelectiveCatalyticReduction(SCR)exhausttreatment...........................10.9
Powercoupling...........................................................................19
[19.100]Driveshaft..........................................................................19.1
Transmission..............................................................................21
[21.504]ContinuouslyVariableTransmission(CVT)........................................21.1
[21.505]ContinuouslyVariableTransmission(CVT)externalcontrols......................21.2
[21.507]ContinuouslyVariableTransmission(CVT)internalcomponents..................21.3
[21.506]ContinuouslyVariableTransmission(CVT)lubricationsystem....................21.4
Four-WheelDrive(4WD)system..................................................23
[23.202]Electro-hydrauliccontrol...........................................................23.1
[23.314]Driveshaft..........................................................................23.2
Frontaxlesystem.......................................................................25
[25.100]Poweredfrontaxle.................................................................25.1
[25.102]Frontbevelgearsetanddifferential...............................................25.2
[25.108]Finaldrivehub,steeringknuckles,andshafts.....................................25.3
[25.122]Axlesuspensioncontrol............................................................25.4
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Rearaxlesystem........................................................................27
[27.100]Poweredrearaxle..................................................................27.1
[27.106]Rearbevelgearsetanddifferential................................................27.2
[27.120]Planetaryandnaldrives..........................................................27.3
PowerTake-Off(PTO).................................................................31
[31.104]Rearelectro-hydrauliccontrol......................................................31.1
[31.110]One-speedrearPowerTake-Off(PTO)............................................31.2
[31.114]Two-speedrearPowerT ake-Off(PTO)............................................31.3
[31.146]FrontPowerTake-Off(PTO).......................................................31.4
Brakesandcontrols....................................................................33
[33.110]Parkingbrakeorparkinglock......................................................33.1
[33.202]Hydraulicservicebrakes...........................................................33.2
[33.220]Trailerbrakehydrauliccontrol......................................................33.3
[33.224]Trailerbrakepneumaticcontrol....................................................33.4
Hydraulicsystems.......................................................................35
[35.000]Hydraulicsystems..................................................................35.1
[35.102]Pumpcontrolvalves................................................................35.2
[35.106]Variabledisplacementpump.......................................................35.3
[35.114]Three-pointhitchcontrolvalve.....................................................35.4
[35.124]Three-pointhitchhydraulicadjustment............................................35.5
[35.204]Remotecontrolvalves.............................................................35.6
[35.300]Reservoir,cooler,andlters........................................................35.7
[35.304]Combinationpumpunits...........................................................35.8
Pneumaticsystem......................................................................36
[36.100]Pneumaticsystem..................................................................36.1
Hitches,drawbars,andimplementcouplings..................................37
[37.110]Rearthree-pointhitch..............................................................37.1
[37.162]Fronthitch..........................................................................37.2
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Steering.....................................................................................41
[41.101]Steeringcontrol....................................................................41.1
[41.200]Hydrauliccontrolcomponents......................................................41.2
[41.206]Pump...............................................................................41.3
Cabclimatecontrol.....................................................................50
[50.100]Heating.............................................................................50.1
[50.200]Airconditioning.....................................................................50.2
[50.300]Cabpressurizingsystem...........................................................50.3
Electricalsystems.......................................................................55
[55.012]Enginecoolingsystem.............................................................55.1
[55.015]Enginecontrolsystem..............................................................55.2
[55.024]Transmissioncontrolsystem.......................................................55.3
[55.045]Frontaxlecontrolsystem..........................................................55.4
[55.046]Rearaxlecontrolsystem...........................................................55.5
[55.050]Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem.................55.6
[55.051]CabHeating,Ventilation,andAir-Conditioning(HVAC)controls...................55.7
[55.100]Harnessesandconnectors.........................................................55.8
[55.130]Rearthree-pointhitchelectroniccontrolsystem...................................55.9
[55.201]Enginestartingsystem...........................................................55.10
[55.301]Alternator.........................................................................55.11
[55.302]Battery............................................................................55.12
[55.404]Externallighting..................................................................55.13
[55.405]Externallightingswitchesandrelays............................................55.14
[55.408]Warningindicators,alarms,andinstruments....................................55.15
[55.512]Cabcontrols......................................................................55.16
[55.514]Cablighting......................................................................55.17
[55.518]Wiperandwashersystem........................................................55.18
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[55.640]Electronicmodules...............................................................55.19
[55.988]SelectiveCatalyticReduction(SCR)electricalsystem..........................55.20
[55.DTC]FAULTCODES..................................................................55.21
Platform,cab,bodywork,anddecals.............................................90
[90.100]Enginehoodandpanels...........................................................90.1
[90.102]Engineshields,hoodlatches,andtrims...........................................90.2
[90.118]Protectionsandfootboards.........................................................90.3
[90.124]Pneumatically-adjustedoperatorseat..............................................90.4
[90.150]Cab.................................................................................90.5
[90.151]Cabinterior.........................................................................90.6
[90.160]Cabinteriortrimandpanels........................................................90.7
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INTRODUCTION
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Contents
INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing....................................3
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Safetyrules.....................................................................................4
T8.275NA,T8.300NA,T8.330NA,T8.360NA,T8.390NA,T8.420
Safetyrules-Generalmaintenancesafety.....................................................5
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Safetyrules-PersonalProtectiveEquipment(PPE)...........................................6
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Safetyrules-DoNotOperatetag..............................................................7
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Safetyrules-Ecologyandtheenvironment....................................................8
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Torque-Minimumtighteningtorquesfornormalassembly.....................................9
T8.275,T8.300,T8.330,T8.360,T8.390,T8.420
Capacities.....................................................................................14
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
Productidentication..........................................................................16
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390
[ZCRC02586-]NA,T8.420[ZCRC02586-]NA
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INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing
T8.275[ZCRC02586-]NA,T8.300[ZCRC02586-]NA,T8.330[ZCRC02586-]NA,T8.360[ZCRC02586-]NA,T8.390[ZCRC02586-]NA,T8.420
[ZCRC02586-]NA
Allrepairandmaintenanceworklistedinthismanualmustbecarriedoutonlybyqualieddealershippersonnel,
strictlycomplyingwiththeinstructionsgiven,andusing,wheneverpossible,thespecialtools.
Anyonewhoperformsrepairandmaintenanceoperationswithoutcomplyingwiththeproceduresprovidedherein
shallberesponsibleforanysubsequentdamages.
Themanufacturerandalltheorganizationsofitsdistributionchain,including-withoutlimitation-national,regional,or
localdealers,rejectanyresponsibilityfordamagescausedbypartsand/orcomponentsnotapprovedbythemanu-
facturer,includingthoseusedfortheservicingorrepairoftheproductmanufacturedormarketedbythemanufacturer.
Inanycase,nowarrantyisgivenorattributedontheproductmanufacturedormarketedbythemanufacturerincase
ofdamagescausedbypartsand/orcomponentsnotapprovedbythemanufacturer.
Theinformationinthismanualisup-to-dateatthedateofthepublication.Itisthepolicyofthemanufacturerfor
continuousimprovement.Someinformationcouldnotbeupdatedduetomodicationsofatechnicalorcommercial
type,orchangestothelawsandregulationsofdifferentcountries.
Incaseofquestions,refertoyourNEWHOLLANDSalesandServiceNetworks.
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INTRODUCTION
Safetyrules
T8.275NA,T8.300NA,T8.330NA,T8.360NA,T8.390NA,T8.420
Personalsafety
Thisisthesafetyalertsymbol.Itisusedtoalertyoutopotentialpersonalinjuryhazards.Obeyall
safetymessagesthatfollowthissymboltoavoidpossibledeathorinjury.
Throughoutthismanualandonmachinedecals,youwillndthesignalwordsDANGER,WARNING,andCAUTION
followedbyspecialinstructions.Theseprecautionsareintendedforthepersonalsafetyofyouandthoseworking
withyou.
Readandunderstandallthesafetymessagesinthismanualbeforeyouoperateorservicethemachine.
DANGERindicatesahazardoussituationwhich,ifnotavoided,willresultindeathorseriousinjury.The
colorassociatedwithDANGERisRED.
WARNINGindicatesahazardoussituationwhich,ifnotavoided,couldresultindeathorseriousinjury.
ThecolorassociatedwithWARNINGisORANGE.
CAUTION,usedwiththesafetyalertsymbol,indicatesahazardoussituationwhich,ifnotavoided,couldresult
inminorormoderateinjury.ThecolorassociatedwithCAUTIONisYELLOW.
FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIONMESSAGESCOULDRESULT
INDEATHORSERIOUSINJURY.
Machinesafety
NOTICE:Noticeindicatesasituationwhich,ifnotavoided,couldresultinmachineorpropertydamage.Thecolor
associatedwithNoticeisBLUE.
ThroughoutthismanualyouwillndthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor
propertydamage.ThewordNoticeisusedtoaddresspracticesnotrelatedtopersonalsafety.
Information
NOTE:Noteindicatesadditionalinformationwhichclariessteps,procedures,orotherinformationinthismanual.
ThroughoutthismanualyouwillndthewordNotefollowedbyadditionalinformationaboutastep,procedure,or
otherinformationinthemanual.ThewordNoteisnotintendedtoaddresspersonalsafetyorpropertydamage.
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