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Case March 2014 User manual

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SERVICE MANUAL
1/1 SERVICE MANUAL
CX45B Series 2
CX50B Series 2
CX55B
Mini Excavator
Part number 47574282B
English
March 2014
Copyright © 2014 CNH Industrial Italia S.p.A. All Rights Reserved.
CX45B Series 2
CX50B Series 2
CX55B
Mini Excavator
Part number 47574282B
SERVICEMANUAL
CX45B
CX50B
CX55B
47574282B24/03/2014
EN
Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.102]Panandcovers....................................................................10.2
[10.106]Valvedriveandgears..............................................................10.3
[10.101]Cylinderheads.....................................................................10.4
[10.105]Connectingrodsandpistons.......................................................10.5
[10.103]Crankshaftandywheel............................................................10.6
[10.216]Fueltanks..........................................................................10.7
[10.218]Fuelinjectionsystem...............................................................10.8
[10.202]Aircleanersandlines..............................................................10.9
[10.250]Turbochargerandlines...........................................................10.10
[10.254]Intakeandexhaustmanifoldsandmufer.......................................10.11
[10.400]Enginecoolingsystem...........................................................10.12
[10.304]Enginelubricationsystem........................................................10.13
Hydraulicsystems.......................................................................35
[35.000]Hydraulicsystems..................................................................35.1
[35.300]Reservoir,cooler,andlters........................................................35.2
[35.106]Variabledisplacementpump.......................................................35.3
[35.359]Maincontrolvalve..................................................................35.4
[35.355]Hydraulichandcontrol.............................................................35.5
[35.356]Hydraulicfootcontrol...............................................................35.6
[35.352]Hydraulicswingsystem............................................................35.7
[35.353]Hydraulictravelsystem............................................................35.8
[35.354]Hydrauliccentraljoint..............................................................35.9
[35.736]Boomhydraulicsystem..........................................................35.10
[35.737]Dipperhydraulicsystem..........................................................35.11
47574282B24/03/2014
[35.738]Excavatorandbackhoebuckethydraulicsystem................................35.12
[35.360]Hammerandrotatingbuckethydraulicsystem..................................35.13
[35.739]Swingarmhydraulicsystem.....................................................35.14
[35.741]Dozerbladecylinders............................................................35.15
Framesandballasting.................................................................39
[39.101]Upperframe........................................................................39.1
[39.103]Swingringassembly...............................................................39.2
[39.140]Ballastsandsupports..............................................................39.3
Tracksandtracksuspension........................................................48
[48.130]Trackframeanddrivingwheels....................................................48.1
[48.100]Tracks..............................................................................48.2
[48.134]Tracktensionunits.................................................................48.3
[48.138]Trackrollers........................................................................48.4
Cabclimatecontrol.....................................................................50
[50.200]Airconditioning.....................................................................50.1
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
[55.100]Harnessesandconnectors.........................................................55.2
[55.015]Enginecontrolsystem..............................................................55.3
[55.201]Enginestartingsystem.............................................................55.4
[55.301]Alternator...........................................................................55.5
[55.302]Battery..............................................................................55.6
[55.011]Fueltanksystem...................................................................55.7
[55.013]Engineoilsystem..................................................................55.8
[55.512]Cabcontrols........................................................................55.9
[55.404]Externallighting..................................................................55.10
[55.510]Caborplatformharnessesandconnectors......................................55.11
Booms,dippers,andbuckets.......................................................84
47574282B24/03/2014
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[84.114]Boompivotingsupport.............................................................84.1
[84.910]Boom...............................................................................84.2
[84.912]Dipperarm.........................................................................84.3
[84.100]Bucket..............................................................................84.4
Dozerbladeandarm...................................................................86
[86.110]Dozerblade........................................................................86.1
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.110]Operatorplatformlesscab.........................................................90.2
[90.114]Operatorprotections...............................................................90.3
[90.105]Machineshieldsandguards.......................................................90.4
[90.116]Fendersandguards................................................................90.5
47574282B24/03/2014
INTRODUCTION
47574282B24/03/2014
1
Contents
INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing....................................3
Safetyrules.....................................................................................4
Personalsafety.................................................................................5
Torque........................................................................................11
Basicinstructions-Howtousemaintenancestandardsandprecautions....................17
Generalspecication.........................................................................19
Weight........................................................................................21
Capacities.....................................................................................24
Productidentication..........................................................................26
Productidentication-Machineorientation..................................................28
Partidentication.............................................................................29
47574282B24/03/2014
2
INTRODUCTION
Foreword-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,refertoyourCASECONSTRUCTIONSalesandServiceNetworks.
47574282B24/03/2014
3
INTRODUCTION
Safetyrules
Personalsafety
Thisisthesafetyalertsymbol.Itisusedtoalertyoutopotentialpersonalinjuryhazards.Obeyall
safetymessagesthatfollowthissymboltoavoidpossibledeathorinjury.
ThroughoutthismanualyouwillndthesignalwordsDANGER,WARNING,andCAUTIONfollowedbyspecialin-
structions.Theseprecautionsareintendedforthepersonalsafetyofyouandthoseworkingwithyou.
Readandunderstandallthesafetymessagesinthismanualbeforeyouoperateorservicethemachine.
DANGERindicatesahazardoussituationthat,ifnotavoided,willresultindeathorseriousinjury.
WARNINGindicatesahazardoussituationthat,ifnotavoided,couldresultindeathorseriousinjury.
CAUTIONindicatesahazardoussituationthat,ifnotavoided,couldresultinminorormoderateinjury.
FAILURETOFOLLOWDANGER,WARNING,ANDCAUTIONMESSAGESCOULDRESULT
INDEATHORSERIOUSINJURY.
Machinesafety
NOTICE:Noticeindicatesasituationthat,ifnotavoided,couldresultinmachineorpropertydamage.
ThroughoutthismanualyouwillndthesignalwordNoticefollowedbyspecialinstructionstopreventmachineor
propertydamage.ThewordNoticeisusedtoaddresspracticesnotrelatedtopersonalsafety.
Information
NOTE:Noteindicatesadditionalinformationthatclariessteps,procedures,orotherinformationinthismanual.
ThroughoutthismanualyouwillndthewordNotefollowedbyadditionalinformationaboutastep,procedure,or
otherinformationinthemanual.ThewordNoteisnotintendedtoaddresspersonalsafetyorpropertydamage.
47574282B24/03/2014
4