SERVICE MANUAL T8.275 / T8.300 / T8.330 / T8.360 / T8.390 Tractor PIN ZBRC07000 and after Part number 47386189 English October 2012 Copyright © 2012 CNH America LLC. All Rights Reserved.
SERVICEMANUAL 4738618926/06/2012
Contents INTRODUCTION Engine.......................................................................................10 Cylinderheads...........................................................................10.101 Pumpdrives..............................................................................10.114 Fananddrive.............................................................................10.414 SelectiveCatalyticReduction(SCR)exhausttreatment.................................10.500 Transmission..............................................................................21 Powershifttransmissionlubricationsystem..............................................21.105 Powershifttransmission..................................................................21.113 Powershifttransmissionexternalcontrols................................................21.135 Gearboxinternalcomponents............................................................21.145 Powershifttransmissioninternalcomponents............................................21.155 Four-WheelDrive(4WD)system..................................................23 Electrohydrauliccontrol...................................................................23.202 Driveshaft................................................................................23.314 Frontaxlesystem.......................................................................25 Poweredfrontaxle.......................................................................25.100 Frontbevelgearsetanddifferential......................................................25.102 Finaldrivehub,steeringknuckles,andshafts...........................................25.108 Rearaxlesystem........................................................................27 4738618926/06/2012
PowerTake-Off(PTO).................................................................31 Rearelectrohydrauliccontrol.............................................................31.104 Two-speedrearPowerTake-Off(PTO)..................................................31.114 FrontPowerTake-Off(PTO)..............................................................31.146 Parkingbrake/Parkinglock..............................................................33.110 Trailerbrakepneumaticcontrol...........................................................33.224 Hydraulicsystems.......................................................................35 Variabledisplacementpump.............................................................35.106 Three-pointhitchcontrolvalve...........................................................35.114 Remotecontrolvalves....................................................................35.204 Reservoir,cooler,andfilters..............................................................35.300 Combinationpumpunits..................................................................35.304 Pneumaticsystem......................................................................36 Rearthree-pointhitch....................................................................37.110 Fronthitch................................................................................37.162 Steering.....................................................................................41 Steeringcontrol...........................................................................41.101 4738618926/06/2012
Pump.....................................................................................41.206 Cabclimatecontrol.....................................................................50 Heating...................................................................................50.100 Electricalsystems.......................................................................55 Frontaxlecontrolsystem.................................................................55.045 Rearaxlecontrolsystem.................................................................55.046 Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem.......................55.050 CabHeating,Ventilation,andAir-Conditioning(HVAC)controls.........................55.051 Enginestartingsystem...................................................................55.201 Externallighting..........................................................................55.404 Externallightingswitchesandrelays.....................................................55.405 Electronicmodules.......................................................................55.640 SelectiveCatalyticReduction(SCR)electricalsystem...................................55.988 FAULTCODES..........................................................................55.DTC Platform,cab,bodywork,anddecals.............................................90 Enginehoodandpanels..................................................................90.100 4738618926/06/2012
Pneumatically-adjustedoperatorseat....................................................90.124 Cab.......................................................................................90.150 4738618926/06/2012
INTRODUCTION 4738618926/06/2012 1
Contents INTRODUCTION Safetyrules.....................................................................................3 Basicinstructions-Importantnoticeregardingequipmentservicing...........................6 Torque-Minimumtighteningtorquesfornormalassembly.....................................7 4738618926/06/2012 2
withyou.
Safetyrules
Personalsafety
INDEATHORSERIOUSINJURY.
Machinesafety
NOTICE: Noticeindicatesasituationwhich,ifnotavoided,couldresultinmachineorpropertydamage.Thecolor
ThroughoutthismanualyouwillfindthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor
Information
NOTE:
INTRODUCTION
4738618926/06/2012 3
Safetyrules
Standardsafetyprecautions consultation.
• Wearsuitableworkattireandsafetyglasseswithnojewelrysuchasringsandchainswhenworkingcloseto
• Wearsafetyglovesandgoggleswhenperformingthefollowingoperations:
•
• Usingcompressedairorliquidsatapressuregreaterthan 2bar ( 29psi
•
• Alwayswearsafetyshoesandfittingclothes.
•
•
• Inthepresenceofvoltagesexceeding 48-60V
• • • occur.
• 50°C ( 122
• •
• Alwaysuseadequateandsafecontainersforenginefluidsandusedoil.
INTRODUCTION
• • Ensurethatworkingareasareprovidedwithemergencyboxes.Theymustbeclearlyvisibleandalwayscontain
• • • Preventionofinjury
• Duringmaintenance
4738618926/06/2012 4
• • Useofsolventsordetergentsduringmaintenancemayemittoxicvapors.Alwayskeepworkingareasaerated. • •
• • • • • released.Takeallnecessaryprecautionsbleedinganddrainingresidualpressure.Alwaysweartheproper
• Donotalterthelengthsofanywires.
• Donotconnectanyelectronicservicetooltotheengineelectricalequipmentunlessspecificallyapprovedby
• Forengineequippedwithanelectroniccontrolunit
•
• Removetheincaseofworkrequiringheatingover 80°C ( 176°F
•
• electroniccomponentswillvoidenginewarrantyassistanceandmayaffectthecorrectworkingorderandlife
RespectoftheEnvironment
• nel'ssafetyandhealth.
•
• 4738618926/06/2012
INTRODUCTION
5
SERVICEMANUAL Engine T8.275WE T8.300WE T8.330WE T8.360WE T8.390WE 4738618926/06/2012
Contents Engine-10 Engineandcrankcase......................................................................10.001 Fananddrive...............................................................................10.414 SelectiveCatalyticReduction(SCR)exhausttreatment...................................10.500 4738618926/06/2012
Engine-10 Engineandcrankcase-001 T8.275WE T8.300WE T8.330WE T8.360WE T8.390WE 4738618926/06/2012 10.001/1
Contents Engine-10 Engineandcrankcase-001 SERVICE Engine 4738618926/06/2012 10.001/2
Engine-Remove
Prioroperation:
Prioroperation:
Prioroperation:
Prioroperation:
ATTENTION: FortractorsequippedwithfrontPTO/hitch,refertosteps –foradditionaldisassemblyinstructions.
NOTE: Cleanallfittingsbeforedisconnecting.
NOTE: (1) securingthecondenser/fuel
RCPH10CCH054BAB 1 dryer (1)
andthecondenseroutlethose (2) .
RCPH10CCH896AAB 2 (1) fromit'smountingandsetaside.
RCPH10CCH894AAB 3
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4.Removethenuts (1)
RCPH10CCH055BAB 4
5.Disengagethehoseclamps (1) ,tagandremovethe
RCPH10CCH897AAB 5
6.Loosenthehydraulichosefittings (1) attheoilcooler.
NOTE: Bepreparedtocollectsomehydraulicfluid.
RCPH10CCH898AAB 6 (1) securingtherighthosebracket (2) .
RCPH10CCH899AAB 7
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8.Tagandremovethehydraulichoses (1) . (2) (3) (4) (5)
RCPH10CCH056BAB 8
13.RemoveanddiscardtheintakeelbowO-ringseal (1)
RCPH10CCH903AAB 9
14.Loosentheclamps (1) anddisconnecttheengine coolantoutlet (2) andinlethoses (3)
RCPH10CCH902AAB
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15.Removethebolts (1) securingtheline/harness RCPH10CCH057BAB 11 16.OntherighthandsideattheA/Ccompressor,disconnectthefourharnessconnectors (1) theA/Clineclamp (2) RCPH10CCH059BAB (1) andsuction (2) A/C RCPH10CCH060BAB 4738618926/06/2012 10.001/6
18.Ifequipped,disconnecttheharnessconnector (1) for RCPH10CCH904AAB (1) forthefan RCPH10CCH905AAB (1) putcable (2) RCPH10CCH907AAB (1) fortheengine gridheaterandthepowersupplycable (2) . RCPH10CCH062BAB 4738618926/06/2012 10.001/7
22.Disengagethehoseclamps (1) anddisconnectthe fuelsupply (2) andreturn (3)
(4) (5) .
RCPH10CCH061BAB (1) , andremovetheblowbyrecirculationtube (2) andset
RCPH10CCH807AAB
26.Removetheattachingbolts (1) haustshield (2)
RCPH10CCH906AAB (1) andsupplyandreturn hoseconnections (2) attheSCRdosingvalve (3)
RCPH10CCH908AAB
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28.Removethebolts (1) fortheexhaustshieldbracket. Setthebracket (2) RCPH10CCH909AAB (1) haustpipeclamp (2) RCPH10CCH910AAB (1) andthelowerpipe clamp (2) (3) RCPH10CCH063BAB 4738618926/06/2012 10.001/9
31.Loosentheclamp (1) attheaircleanerassembly. RCPH10CCH064BAB (1) securingtheclamp (2) forthe (3) RCPH10CCH808AAB 35.Loosentheclamp (1) .Removetheturboinletelbow (2) RCPH10CCH809AAB (1) fortheSCRsystem (2) necttheinletconnector (3) (4) RCPH10CCH911AAB 4738618926/06/2012 10.001/10
linefittings (1)
coolersupplyandreturnhoses (2) .
RCPH10CCH066BAB
(2) forthe 12V auxiliarypost (1)
(3)
ingnutsanddisconnectthepowercableinto (4) and from (5)
(6)
(1) securingthehoseclamp (2) for
(3) securingthebracket (4) tothe
RCPH10CCH070BAB
RCPH10CCH071BAB
10.001/11
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47.Disconnecttheharnessconnector (2) attheprimary
(1)
(1)
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fuelfilter
RCPH10CCH794AAB
movethebracket (2) RCPH10CCH069BAB 49.Disengagetheclampanddisconnectthehose (1) (2) bolts (3) RCPH10CCH914AAB
50.Disconnectthecabheatersupply (1) andreturn (2)
hose (3) (fromthedeaerationtank).Removethe bracketattachingbolts (4)
RCPH10CCH072BAB (1) securingtherearhose/tube bracket (2)
RCPH10CCH915AAB
53.Disconnecttheconnectors (1) betweentheengine
RCPH10CCH916AAB (1) sure (2)
RCPH10CCH920AAB
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RCPH10CCH917AAB
batterygroundcable (1) (2) put (3)
cable (4)
RCPH10CCH919AAB (1) andscrew (2) andremovethe (3)
RCPH10CCH818AAB 60.Attheleftfrontcabmount,removetheboltanddisconnectthegroundconnector (1) .
RCPH10CCH921AAB
(1) (2)
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61.Supporttheharness/linebracketassembly.Remove theclampbolt (1) (2) RCPH10CCH918AAB RCPH10CCH075BAB RCPH10CCH913AAB 4738618926/06/2012 10.001/15
64.Properlysupportthecoolingpackageandcarefully
Donotdamagethecoolingfanwhileremovingthe coolingpackage.
(1) 66.Removethesixnutsandwashers (2) securingthe
(1) andcoverforthedropboxdrive
4738618926/06/2012 10.001/16
NOTE:
RCPH10CCH068BAB
RCPH10CCH073BAB
RCPH10CCH813AAB
69.Markthedriveshaft (1) .Removethefourboltsand RCPH10CCH817AAB (1) fromtheplate (2) fortheright RCPH10CCH925AAB (1) securingthe 72.Removetheboltsandwashersfromtheplate (2) for RCPH10CCH080BAB (1) fromtheplatefor aside. RCPH10CCH926AAB 4738618926/06/2012 10.001/17
74.Attachproperliftingequipmenttotheliftingbrackets RCPH10CCH084BAB 75.Removetherightrearenginemount.Inspectfor RCPH07CCH166AAB (1) securingthebrackets (2) forthefrontenginemount. (3) securingthefrontenginemount (4) required. RCPH10CCH833AAB 4738618926/06/2012 10.001/18
79.Releasethetensiononthefandrivebelt (1) 80.Repeatfortheaccessorydrivebelt (2) . RCPH10CCH076BAB TractorsequippedwithfrontPTO/hitch
RCPH11CCH009AAB (1) securingthetubeclamps (2) Removetheclampsandsetaside.Movetube/hose RCPH11CCH006AAB 4738618926/06/2012 10.001/19
NOTE:
83.Disconnecttheinletandoutlethoses (1) totheoil
RCPH11CCH002BAB (1) securingthecoolerbrackets (2)
RCPH11CCH003BAB (1) fromthedriveshaft (2)
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RCPH10CCH651AAB
4738618926/06/2012
