SERVICEMANUAL T7.170AutoCommand,T7.170PowerCommand,T7.170RangeCommand, T7.185AutoCommand,T7.185PowerCommand,T7.185RangeCommand, T7.200AutoCommand,T7.200PowerCommand,T7.200RangeCommand, T7.210AutoCommand,T7.210PowerCommand,T7.210RangeCommand 84477609A27/09/2011
Contents INTRODUCTION HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMSA PRIMARYHYDRAULICPOWERSYSTEM..............................................A.10.A PRIMARYHYDRAULICPOWERSYSTEMClosedcentermechanicalremotevalve...A.10.B SECONDARYHYDRAULICPOWERSYSTEM..........................................A.12.A HYDRAULICCOMMANDSYSTEM......................................................A.14.A PNEUMATICSYSTEM...................................................................A.20.A ELECTRICALPOWERSYSTEM........................................................A.30.A ELECTRONICSYSTEM.................................................................A.50.A FAULTCODES...........................................................................A.50.A ENGINEANDPTOIN...................................................................B TRANSMISSION,DRIVEANDPTOOUT........................................C TRANSMISSIONSemi-Powershift.......................................................C.20.D FRONTPTOHydraulic...................................................................C.42.C AXLES,BRAKESANDSTEERING.................................................D FRONTAXLE............................................................................D.10.A 84477609A27/09/2011
2WD-4WDSYSTEMHydraulic...........................................................D.14.C SERVICEBRAKEHydraulic..............................................................D.30.C SERVICEBRAKEPneumatic............................................................D.30.E PARKINGBRAKEMechanical...........................................................D.32.B PARKINGBRAKEElectronic.............................................................D.32.D BRAKECONNECTIONHydraulic........................................................D.34.C SUSPENSIONHydraulic.................................................................D.40.C FRAMEANDCAB........................................................................E FRAMEPrimaryframe...................................................................E.10.B SHIELD...................................................................................E.20.A USERCONTROLSANDSEAT..........................................................E.32.A USERPLATFORM.......................................................................E.34.A HITCHANDWORKINGTOOL.......................................................H 84477609A27/09/2011
INTRODUCTION 84477609A27/09/2011 1
Contents INTRODUCTION Foreword........................................................................................3 Foreword........................................................................................4 84477609A27/09/2011 2
Foreword IMPORTANTINFORMATION
LANDServicenetwork,strictlycomplyingwiththeinstructionsgivenandusing,wheneverrequired,thespecialtools. Anyonewhocarriesouttheaboveoperationswithoutcomplyingwiththeprescriptionsshallberesponsibleforthe subsequentdamages.
localdealers,rejectanyresponsibilityfordamagesduetotheanomalousbehaviorofpartsand/orcomponentsnot marketedbytheManufacturerincaseofdamagesduetoananomalousbehaviorofpartsand/orcomponentsnot Noreproduction,thoughpartialoftextandillustrationsallowed.
84477609A27/09/2011
INTRODUCTION
3
Foreword TechnicalInformation
ofthosecategoriestofindtherightpieceoftechnicalinformationyouneedtoresolvethatcustomersconcernonhis
Thatinformationcouldbe:
• thedescriptionofhowtoremovethecylinderhead
• atableofspecificationsforahydraulicpump
• afaultcode
• atroubleshootingtable
• aspecialtool
INTRODUCTION
technicalinformationelectronicallythroughWebdelivery,DVDandinpapermanuals.AcodingsystemcalledICE Technicalinformationiswrittentosupportthemaintenanceandserviceofthefunctionsorsystemsonacustomers thenewICEcoding,accordingtothefunctionsorsystemsonthatmachine.Onceyouhavelocatedthetechnical havebeenwrittenforthatfunctionorsystem,thetechnicaldata(specifications),thefunctionaldata(howitworks), ByintegratingthisnewICEcodingintotechnicalinformation,youwillbeabletosearchandretrievejusttheright • LOCATION-isthecomponentorfunctiononthemachine,thatthepieceoftechnicalinformationisgoingto • functiononthemachinee.g.CapacitywouldbeatypeofTechnicalDatathatwoulddescribetheamountoffuel •
84477609A27/09/2011 4
INTRODUCTION HowtoUsethisManual ThismanualisdividedintoSections.EachSectionisthendividedintoChapters.Contentspagesareincludedatthe EachChapterisdividedintofourInformationtypes: • • • DiagnosticData(faultcodes,electricalandhydraulictroubleshooting)forallthemechanical,electricalorhy• Sections machinethatthemanualiswrittenfor.EachSectionhasaContentspagelistedinalphabetic/numericorder.This SECTION B-EngineandPTOIn D-Axles,BrakesandSteering H-HitchandWorkingTool PRODUCT Tractors XXXXXXXX XXXXXXXXX XXXXXXXXXX XXXXXXXXX XXXX 84477609A27/09/2011 5
SERVICEMANUAL HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS T7.170AutoCommand,T7.170PowerCommand,T7.170RangeCommand, T7.185AutoCommand,T7.185PowerCommand,T7.185RangeCommand, T7.200AutoCommand,T7.200PowerCommand,T7.200RangeCommand, T7.210AutoCommand,T7.210PowerCommand,T7.210RangeCommand 84477609A27/09/2011 A
Contents HYDRAULIC,PNEUMATIC,ELECTRICAL, ELECTRONICSYSTEMS-A PRIMARYHYDRAULICPOWERSYSTEMElectro-hydraulicremotevalve...............A.10.C PNEUMATICSYSTEM.....................................................................A.20.A ELECTRICALPOWERSYSTEM..........................................................A.30.A ELECTRONICSYSTEM...................................................................A.50.A FAULTCODES.............................................................................A.50.A 84477609A27/09/2011 A
HYDRAULIC,PNEUMATIC,ELECTRICAL, ELECTRONICSYSTEMS-A T7.170AutoCommand,T7.170PowerCommand,T7.170RangeCommand, T7.185AutoCommand,T7.185PowerCommand,T7.185RangeCommand, T7.200AutoCommand,T7.200PowerCommand,T7.200RangeCommand, T7.210AutoCommand,T7.210PowerCommand,T7.210RangeCommand 84477609A27/09/2011 A.10.A/1
Contents HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONIC SYSTEMS-A TECHNICALDATA Powerbeyond Hydraulicpump Chargepump Generalspecification.......................................................................5 FUNCTIONALDATA PRIMARYHYDRAULICPOWERSYSTEM Powerbeyond Hydraulicpump Variabledisplacementpump-Dynamicdescription............................................36 Compensator SERVICE PRIMARYHYDRAULICPOWERSYSTEM Hydraulicpump Variabledisplacementpump-Overhaul......................................................47 Compensator Filter 84477609A27/09/2011 A.10.A/2
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM Powerbeyond-Torque BAIL10CVT060FAB 1 84477609A27/09/2011 A.10.A/3
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM HydraulicpumpVariabledisplacementpump-Generalspecification Variabledisplacementpump Type VariableDisplacementClosedCentre LoadSensingPistonPump Rotation Clockwise Pumpspeed@enginespeed 2400RPM maximumrated speed(Theoretical) 3000RPM Pumpspeed@enginespeed 2200RPM 2750RPM Output@enginespeed 2200RPM (Standardflow) 125l/min ( ) Output@enginespeed 2200RPM (Highflow) 140l/min ( 37.0USgpm ) PistonPumpdisplacement(Standardflow) 56cm³/rev PistonPumpdisplacement(Highflow) 63cm³/rev LowStandbyPressure 26bar ( )± 1bar ( ) LowStandbyPressure(withItaliantrailerbrakes) 36bar ( 522.0psi ) HighStandbyPressure 210bar ( 3045.00psi )± 5bar ( 72.5psi ) Maximumsystempressure 245bar ( 5bar ( ) CoolerByPassvalve ( ChargePump Type Internalrotorgearpump ChargePumpdisplacement 74cm³/rev Standardflow 82cm³/rev Highflow Output@enginespeed 2200RPM Standardflow 200l/min ( 52.8USgpm ) Output@enginespeed 2200RPM Hiflow 225l/min ( ) Chargepressurefilterdumpvalve: Crackopen 10bar ( 145.0psi ) Fullyopen 15bar ( ) Chargepressure 2-4bar ( ) Chargepressureswitchcloses 1bar ( 14.5psi ) 84477609A27/09/2011 A.10.A/4
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM Chargepump-Generalspecification ChargePump Type Internalrotorgearpump ChargePumpdisplacement 74cm³/rev Standardflow 82cm³/rev Highflow Output@enginespeed 2200RPM Standardflow 250l/min ( 66USgpm ) Output@enginespeed 2200RPM Hiflow 250l/min ( 66USgpm ) Chargepressurefilterdumpvalve: Crackopen 10bar ( 145.0psi ) Fullyopen 15bar ( 217.5psi ) Chargepressure 2-4bar ( ) Chargepressureswitchcloses 1bar ( ) 84477609A27/09/2011 A.10.A/5
HighPressureCircuit
HydraulicLiftAssembly.
TrailerBrake(WhereFitted)
SuspendedFrontAxle.
SteeringCircuit
SteeringMotorandCylinders
LowPressureCircuit
DifferentialLock
FrontWheelDriveengagement
Transmissionclutchandsynchroniserengagement
Creeperengagement(Wherefitted)
FrontPTO(Wherefitted)
50kph engagement(Wherefitted)
LubricationCircuit
PTOClutchPlates
TransmissionClutchPlates.
TransmissionShaftPressureLube
HydraulicLiftCrossShaft
LessHydraulicTrailerBrakesWithHydraulicTrailerBrakesHydraulicTrailerBrakeItaly
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM PRIMARYHYDRAULICPOWERSYSTEM-Staticdescription
HydraulicPump/HPL/RemoteValveOptions
Options/Configurations
EDC MechanicalRemote Valves 2NonConfigurable 2Configurable 1NonConfigurable+2Configurable 2NonConfigurable+2Configurable 84477609A27/09/2011 A.10.A/6
ThehydraulicliftElectronicDraftControlvalve(EDCvalve)isastacktypeproportionalsolenoidoperatedvalve (1) mountedwiththeremotecontrolvalvesattherearofthetractor.(Referto
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM Options/Configurations RemoteValves 2,3,or4Electrohydraulicallyoperatedvalves Transmission 18X640KM/HSEMIPOWERSHIFT 18X635KM/HSEMIPOWERSHIFT 19X640KM/HSEMIPOWERSHIFT 19X650KM/HSEMIPOWERSHIFT 17X630KM/HSEMIPOWERSHIFT 18X640KM/HFULLPOWERSHIFT 18X635KM/HFULLPOWERSHIFT 19X640KM/HFULLPOWERSHIFT 19X650KM/HFULLPOWERSHIFT
Table 1
Figure 1
(1)
BAIL07APH323ASA 1
Figure 2
BAIL10CVT038AAB 2
) 84477609A27/09/2011 A.10.A/7
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM BAIL10CCM010AAB 3 BSE2884A 4 (1) .Draftsensitivitycontrolknob (2) .Dropratecontrolknob (3) .Heightlimitcontrolknob (4) .Sliplimitcontrolknob BRL6436B 5 (1) (2) (3) (4) (5) (6) 84477609A27/09/2011 A.10.A/8
BRK5798B 7
Theraiseandloweringfunctionsoftheelectronicdraftcontrolliftsystemcanalsobeoperatedfromtherearfender switches (1) and (2)
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
BAIL07APH331ASA 6 (1) (2) (3) (4)
84477609A27/09/2011 A.10.A/9
BSE3774A 8 Mechanicalremotecontrolvalves (1) (2)
1
NOTE:
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM 9 (1) BSE3845A
SemiPowershifttransmissiontractorshavetwoshiftbuttonsplusanextrarangebuttononthereverseside
offerssignificantbenefitsinreducingtheenginepowerlossthatoccursinopencentresystemswhereahighvolume ofoil,oftenfarinexcessofdemand,iscontinuouslypumpedroundthehydrauliccircuitevenwhentheyarenotbeing Afixeddisplacementpump(ChargePump)servesasaninitialdisplacementpumpforthevariabledisplacementpump andelectronicdraftcontrolvalveandapilotoilsupplywithlowerpriority.Thehighestloadpressureisindicatedto thepumppressureinsuchawaythatitalwaysexceedsthehighestloadpressurebyapre-setdifference.Apriority valveforlowpressurecircuitdemandislocatedinthebottomsubplateoftheremotevalvestack.Tractorsfittedwith Electro-hydraulicremotevalvesalsohavehighpressureoilsuppliedfromthevariabledisplacementpumptothetop 20-22Bar 84477609A27/09/2011 A.10.A/10
CLOSEDCENTRELOADSENSINGHIGHPRESSUREHYDRAULICCIRCUIT Theprincipalofoperationoftheclosedcentreloadsensinghighpressurehydrauliccircuitwithvariableflowpiston
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM BAIL07APH330GSA 11 Line 6.LoadSensingLine 7.LubricationManifold 8.LowPressureFeedto 50km/h 19thGearClutch Manifold 9.VariableDisplacementPump Valves Themainfilter (1) andthechargefilter (2) Figure areinstalledontractorswithvariabledisplacementpump(CCLS 2.ChargeFilter 84477609A27/09/2011 A.10.A/11
BAIS06CCM055AVA
(1) the 0.8bar ( 11.600psi )supplementarylube valveandthe 3bar ( 43.500psi )chargepressurebypassvalve (2) .
BRJ5174B
BAIL07APH325ASA
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
Mid-MountRemoteValves. Mid-mount ) 84477609A27/09/2011 A.10.A/12
BAIL06CCM088ASA
Suspendedfrontaxlecontrolvalve(wherefitted) beyondportonthesubplateoftheremotevalvestackandwiththeuseofprocessorcontrolledPWMvalvescontrols theflowofoiltothesuspensioncylinder(Referto )
BAIL10CVT051AAB
FrontAxleSuspensionCylinder
BSE3769A
SteeringMotor steeringwheelisrotated.ThelessSupersteermodelsuseafixeddisplacementmotor.Alsofittedasanoptionon somemodelsisaFastSteervalve (1) whichiscoupledtothesteeringmotor (2)
84477609A27/09/2011
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
A.10.A/13
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM BAIL07APH352ASA BSE2868B pensionvalveandmid-mountedvalves,wherefitted,istheloadsensingshuttlevalve
84477609A27/09/2011 A.10.A/14
(2) Figure
BAIL07APH326ASA
Thecomponentsinthehighpressurehydrauliccircuitareconnectedbytheirloadsensinglinestothehydraulicload combinedpressureoftheloadsenselineandflowcompensatingvalvespring.Thismovesthespoolintheflowcom-
HighPressureoilisfedtoasubplateatthebottomoftheremotevalvestackwhereitisdirectedtotheTrailerBrake
Electro-HydraulicRemoteValves.Withinthesubplateisapressurecompensatingvalvewhichdivertstheoiltothe lowpressuresystematapressureof 18bar ( 261.00psi
HighPressureoilisalsofedtothetopoftheRemoteValvestackthroughanendplatewhichincorporatesapressure limitingvalveandthissuppliesoilat 20-22bar
Surplusoilfromthechargepumptothevariabledisplacementpumpisfedpastthe 0.8bar valveandbooststhe
Thetrailerbrakevalveislocatedonthesubplateoftheremotevalvestack.Thevalvedivertsoilpressuretothe
BAIL07APH327ASA Doubleactingconvertibletosingle-actingwithfloat.
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
84477609A27/09/2011 A.10.A/15
BAIL07APH328ASA
Whentheoiliscoldandpressuredifferentialacrosstheoilcoolerishigherthan 6bar ( 87lbf/in2 valve (1) locatedinthetransmissiontopcoverwilloperatetoensurethatadequateflowtothelubricationcircuitis maintained.Thisfeatureofdivertingoilfromthecoolerassistsinaidingarapidwarmupofoilincoldweatherconditions.
Thesteeringpump/steeringreturnoilisdirectedthroughtheoilcooleratthefrontofthetractorandislimitedtoa maximumpressureof (
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM Doubleactingconvertibletosingle-acting.
84477609A27/09/2011 A.10.A/16
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HighPressureCircuit
RemoteControlValves.
TrailerBrake(WhereFitted)
FrontLift(Wherefitted).
SteeringCircuit
SteeringMotorandCylinders
LowPressureCircuit
DifferentialLock
FrontWheelDriveengagement
Transmissionclutchandsynchroniserengagement
Creeperengagement(Wherefitted)
FrontPTO(Wherefitted)
50kph engagement(Wherefitted)
HydrostaticUnit
LubricationCircuit
PTOClutchPlates
TransmissionClutchPlates.
TransmissionShaftPressureLube
HydraulicLiftCrossShaft
Options/Configurations
HydraulicPump/HPL/RemoteValveOptions
LessHydraulicTrailerBrakesWithHydraulicTrailerBrakesHydraulicTrailerBrakeItaly
ElectronicDraftControlvalve(EDCvalve)
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM PRIMARYHYDRAULICPOWERSYSTEM-Staticdescription
MechanicalRemote Valves 1NonConfigurable+2Configurable 2NonConfigurable+2Configurable
84477609A27/09/2011 A.10.A/17
RemoteValves
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
Transmission HydraulicCVT Table 1
Options/Configurations
BAIL10CVT067GAB 1 Mainhydrauliccomponents
Figure 2
5°C ( 41.0°F 84477609A27/09/2011 A.10.A/18
showsthevariabledisplacementpump (1) andsuctionfilterassembly (2) Whentheoiliscoldandpressuredifferentialacrosstheoilcoolerishigherthan
BAIL10CVT037AAB 2
Thegearpump (1) Figure 3 supplieslowpressureandlubricationoil.
BAIL10CVT066AAB 3
BAIL10CVT039AAB 4
Thepriorityvalve (1) valve(wherefitted) (2) )
BAIL10CVT041AAB 5 Closedcentreremotevalves.
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
84477609A27/09/2011 A.10.A/19
(1) Figure 6
BAIL10CVT038AAB 6 Mechanicalremotecontrolvalves (1) (2) 1
BRE1744B 7
ThehydraulicliftElectronicDraftControlvalve(EDCvalve)isastacktypeproportionalsolenoidoperatedvalve (1)
BAIL10CCM010AAB 8 Tractorsinstalledwiththeelectronicdraftcontrolhydraulicliftassemblyuseauniqueoperatorcontrolpanel. 84477609A27/09/2011 A.10.A/20
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
Theraiseandloweringfunctionsoftheelectronicdraftcontrolliftsystemcanalsobeoperatedfromtherearfender switch (1)
Theraiseandloweringfunctionsoftheelectronicdraftcontrolliftsystemcanalsobeoperatedfromtherearfender switch (1)
84477609A27/09/2011
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
(1) (2) (3) (4) (5) (6)
(1) (2) (3) (4)
BRL6436B 9
BAIL07APH331ASA
BRE1481B
11
A.10.A/21
BRK5798B
Theraiseandloweringfunctionsoftheelectronicdraftcontrolliftsystemcanalsobeoperatedfromtherearfender switches (1) and (2)
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
block.Thisincludesapriorityvalveandalsoalowpressureregulatingvalve (1) .
84477609A27/09/2011 A.10.A/22
BSE3845A
BAIL10CVT065AAB
PowerbeyondslicewithISOstandardcouplers
BAIL10CVT061AAB
Powerbeyondhydraulicreturnport(1)
ThePowerbeyondhydraulicreturnportisusedtoreducebackpressureintheremotehydraulicreturnlineandcreate desiredforimprovedimplementoperation
BAIL10CVT051AAB
HYDRAULIC,PNEUMATIC,ELECTRICAL,ELECTRONICSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
A.10.A/23
84477609A27/09/2011
