New Holland W50C Tier4 Manuale utente

SERVICE MANUAL

W50C / W60C / W70C / W80C Tier4

Compact Wheel Loader

Part number 47768541B

English

April 2015

SERVICE

MANUAL

1/1

Part number 47768541B

W50C

W60C

W70C

W80C

Compact Wheel Loader

SERVICEMANUAL

W50CZB,W60CZB,W70CHS,W70C,W80CHS,W80C

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Contents

INTRODUCTION

Engine.......................................................................................10

[10.001]Engineandcrankcase.............................................................10.1

[10.216]Fueltanks..........................................................................10.2

Transmission..............................................................................21

[21.135]Powershifttransmissionexternalcontrols..........................................21.1

[21.160]Creeper............................................................................21.2

Frontaxlesystem.......................................................................25

[25.100]Poweredfrontaxle.................................................................25.1

[25.102]Frontbevelgearsetanddifferential...............................................25.2

[25.108]Finaldrivehub,steeringknuckles,andshafts.....................................25.3

Rearaxlesystem........................................................................27

[27.100]Poweredrearaxle..................................................................27.1

[27.106]Rearbevelgearsetanddifferential................................................27.2

[27.120]Planetaryandnaldrives..........................................................27.3

[27.124]Finaldrivehub,steeringknuckles,andshafts.....................................27.4

Brakesandcontrols....................................................................33

[33.202]Hydraulicservicebrakes...........................................................33.1

[33.110]Parkingbrakeorparkinglock......................................................33.2

[33.204]Frontaxlebrake....................................................................33.3

Hydraulicsystems.......................................................................35

[35.000]Hydraulicsystems..................................................................35.1

[35.300]Reservoir,cooler,andlters........................................................35.2

[35.104]Fixeddisplacementpump..........................................................35.3

[35.106]Variabledisplacementpump.......................................................35.4

[35.359]Maincontrolvalve..................................................................35.5

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[35.357]Pilotsystem........................................................................35.6

[35.600]Highowhydraulics................................................................35.7

[35.353]Hydraulictravelsystem............................................................35.8

[35.701]Frontloaderarmhydraulicsystem.................................................35.9

[35.723]Frontloaderbuckethydraulicsystem............................................35.10

[35.734]Toolquickcouplerhydraulicsystem.............................................35.11

Framesandballasting.................................................................39

[39.140]Ballastsandsupports..............................................................39.1

Steering.....................................................................................41

[41.101]Steeringcontrol....................................................................41.1

[41.200]Hydrauliccontrolcomponents......................................................41.2

[41.216]Cylinders...........................................................................41.3

Electricalsystems.......................................................................55

[55.000]Electricalsystem...................................................................55.1

[55.100]Harnessesandconnectors.........................................................55.2

[55.045]Frontaxlecontrolsystem..........................................................55.3

[55.408]Warningindicators,alarms,andinstruments......................................55.4

[55.DTC]FAULTCODES....................................................................55.5

Platform,cab,bodywork,anddecals.............................................90

[90.150]Cab.................................................................................90.1

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INTRODUCTION

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Contents

INTRODUCTION

Basicinstructions-Importantnoticeregardingequipmentservicing...........................3

Basicinstructions-Shopandassembly........................................................4

Safetyrules.....................................................................................6

Personalsafety.................................................................................7

Foreword-Ecologyandtheenvironment....................................................16

Productidentication-Machinecomponents.................................................17

Torque........................................................................................19

Consumables.................................................................................28

Productidentication-Machineorientation..................................................29

Hydrauliccontamination......................................................................30

Basicinstructions-Howtousethemaintenancestandardandprecautions.................31

Basicinstructions-Precautionfordisassemblyandassembly...............................33

Basicinstructions-Electricalequipmentprecautions........................................35

Productidentication..........................................................................36

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INTRODUCTION

Basicinstructions-Importantnoticeregardingequipmentservicing

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,refertoyourNEWHOLLANDCONSTRUCTIONSalesandServiceNetworks.

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INTRODUCTION

Basicinstructions-Shopandassembly

Shimming

Foreachadjustmentoperation,selectadjustingshimsandmeasuretheadjustingshimsindividuallyusingamicrom-

eter,thenadduptherecordedvalues.Donotrelyonmeasuringtheentireshimmingset,whichmaybeincorrect,or

theratedvalueshownoneachshim.

Rotatingshaftseals

Forcorrectrotatingshaftsealinstallation,proceedasfollows:

1.Beforeassembly,allowthesealtosoakintheoilitwillbesealingforatleastthirtyminutes.

2.Thoroughlycleantheshaftandcheckthattheworkingsurfaceontheshaftisnotdamaged.

3.Positionthesealinglipfacingtheuid.

NOTE:Withhydrodynamiclips,takeintoconsiderationtheshaftrotationdirectionandpositionthegroovessothat

theywillmovetheuidtowardstheinnersideoftheseal.

4.Coatthesealinglipwithathinlayeroflubricant(useoilratherthangrease).Fillthegapbetweenthesealinglip

andthedustlipondoublelipsealswithgrease.

5.Insertthesealinitsseatandpressdownusingaatpunchorsealinstallationtool.Donottapthesealwitha

hammerormallet.

6.Whileyouinserttheseal,checkthatthesealisperpendiculartotheseat.Whenthesealsettles,makesurethat

thesealmakescontactwiththethrustelement,ifrequired.

7.Topreventdamagetotheseallipontheshaft,positionaprotectiveguardduringinstallationoperations.

O-ringseals

LubricatetheO-ringsealsbeforeyouinsertthemintheseats.ThiswillpreventtheO-ringsealsfromoverturningand

twisting,whichwouldjeopardizesealingefciency.

Sealingcompounds

Applyasealingcompoundonthematingsurfaceswhenspeciedbytheprocedure.Beforeyouapplythesealing

compound,preparethesurfacesasdirectedbytheproductcontainer.

Spareparts

OnlyuseCNHOriginalPartsorNEWHOLLANDCONSTRUCTIONOriginalParts.

Onlygenuinesparepartsguaranteethesamequality,duration,andsafetyasoriginalparts,astheyarethesame

partsthatareassembledduringstandardproduction.OnlyCNHOriginalPartsorNEWHOLLANDCONSTRUCTION

OriginalPartscanofferthisguarantee.

Whenorderingspareparts,alwaysprovidethefollowinginformation:

•Machinemodel(commercialname)andProductIdenticationNumber(PIN)

•Partnumberoftheorderedpart,whichcanbefoundinthepartscatalog

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INTRODUCTION

Protectingtheelectronicand/orelectricalsystemsduringchargingandwelding

Toavoiddamagetotheelectronicand/orelectricalsystems,alwaysobservethefollowingpractices:

1.Nevermakeorbreakanyofthechargingcircuitconnectionswhentheengineisrunning,includingthebattery

connections.

2.Nevershortanyofthechargingcomponentstoground.

3.Alwaysdisconnectthegroundcablefromthebatterybeforearcweldingonthemachineoronanymachine

attachment.

•Positiontheweldergroundclampasclosetotheweldingareaaspossible.

•Ifyouweldincloseproximitytoacomputermodule,thenyoushouldremovethemodulefromthemachine.

•Neverallowweldingcablestolieon,near,oracrossanyelectricalwiringorelectroniccomponentwhileyou

weld.

4.Alwaysdisconnectthenegativecablefromthebatterywhenchargingthebatteryinthemachinewithabattery

charger.

NOTICE:Ifyoumustweldontheunit,youmustdisconnectthebatterygroundcablefromthemachinebattery.

Theelectronicmonitoringsystemandchargingsystemwillbedamagedifthisisnotdone.

5.Removethebatterygroundcable.Reconnectthecablewhenyoucompletewelding.

Specialtools

WARNING

Batteryacidcausesburns.Batteriescontainsulfuricacid.

Avoidcontactwithskin,eyesorclothing.Antidote(external):Flushwithwater.Antidote(eyes):ush

withwaterfor15minutesandseekmedicalattentionimmediately.Antidote(internal):Drinklarge

quantitiesofwaterormilk.Donotinducevomiting.Seekmedicalattentionimmediately.

Failuretocomplycouldresultindeathorseriousinjury.W0111A

ThespecialtoolsthatNEWHOLLANDCONSTRUCTIONsuggestsandillustrateinthismanualhavebeenspecically

researchedanddesignedforusewithNEWHOLLANDCONSTRUCTIONmachines.Thespecialtoolsareessential

forreliablerepairoperations.Thespecialtoolsareaccuratelybuiltandrigorouslytestedtoofferefcientandlong-

lastingoperation.

Byusingthesetools,repairpersonnelwillbenetfrom:

•Operatinginoptimaltechnicalconditions

•Obtainingthebestresults

•Savingtimeandeffort

•Workinginsafeconditions

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