SERVICE MANUAL CX250D CX250D Long Reach Crawler Excavator Part number 47899898 English June 2015 © 2015 CNH Industrial Italia S.p.A. All Rights Reserved.
SERVICEMANUAL CX250DCrawlerexcavatorsLCversion(TIER4FINAL)-MEAMarket CX250DLongReachCrawlerexcavatorsLCLongReach(TIER4FINAL)MEAMarket 4789989829/06/2015
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 [10.218]Fuelinjectionsystem...............................................................10.9 [10.202]Aircleanersandlines............................................................10.10 [10.250]Turbochargerandlines...........................................................10.11 [10.501]ExhaustGasRecirculation(EGR)-DieselParticulateFilter(DPF)exhaust [10.400]Enginecoolingsystem...........................................................10.15 [10.414]Fananddrive....................................................................10.16 [10.310]Aftercooler........................................................................10.17 [10.304]Enginelubricationsystem........................................................10.18 Hydraulicsystems.......................................................................35 [35.000]Hydraulicsystems..................................................................35.1 [35.102]Pumpcontrolvalves................................................................35.4 [35.359]Maincontrolvalve..................................................................35.5 4789989829/06/2015
Framesandballasting.................................................................39 [39.140]Ballastsandsupports..............................................................39.1 Tracksandtracksuspension........................................................48 [48.134]Tracktensionunits.................................................................48.3 [48.138]Trackrollers........................................................................48.4 Cabclimatecontrol.....................................................................50 Electricalsystems.......................................................................55 [55.000]Electricalsystem...................................................................55.1 [55.100]Harnessesandconnectors.........................................................55.2 [55.525]Cabenginecontrols................................................................55.3 [55.015]Enginecontrolsystem..............................................................55.4 [55.201]Enginestartingsystem.............................................................55.5 [55.301]Alternator...........................................................................55.6 [55.302]Battery..............................................................................55.7 4789989829/06/2015
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[55.051]CabHeating,Ventilation,andAir-Conditioning(HVAC)controls.................55.19 [55.524]Cabcontrols(Liftarm,Boom,Dipper,Bucket)...................................55.21 [55.992]Anti-theftsystem.................................................................55.29 Booms,dippers,andbuckets.......................................................84 [84.910]Boom...............................................................................84.1 Platform,cab,bodywork,anddecals.............................................90 [90.150]Cab.................................................................................90.1 4789989829/06/2015
[90.118]Protectionsandfootboards.........................................................90.3 [90.120]Mechanically-adjustedoperatorseat...............................................90.4 4789989829/06/2015
4789989829/06/2015
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INTRODUCTION
Contents
Safetyrules.....................................................................................4 Safetyrules–Generalinformation.............................................................5 Torque–Boltandnut.........................................................................12 Generalspecification(*)......................................................................19 Generalspecification(*)......................................................................24 Weight(*).....................................................................................37 Weight(*).....................................................................................40 Dimension(*).................................................................................42 Dimension(*).................................................................................45 Conversionfactors............................................................................46 Consumables.................................................................................58 Capacities.....................................................................................61 Abbreviation..................................................................................62 Productidentification..........................................................................65 4789989829/06/2015 2
INTRODUCTION
INTRODUCTION Foreword-Importantnoticeregardingequipmentservicing
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Anyonewhoperformsrepairandmaintenanceoperationswithoutcomplyingwiththeproceduresprovidedherein Themanufacturerreservestherighttomakeimprovementsindesignandchangesinspecificationsatanytimewithout illustrativematerialhereinareasaccurateasknownattimeofpublicationbutaresubjecttochangewithoutnotice.
