Case 750M User manual

Part number 51418565
2nd edition English
November 2017
Replaces part number 47907863
SERVICE MANUAL
750M
Tier 4A (interim)
Crawler Dozer
PIN NCDC75000 and above; PIN NDDC70000 and above;
PIN NEDC70000 and above; PIN NFDC70000 and above;
PIN NFC101000 and above
Printedin U.S.A.
© 2017 CNH Industrial America LLC. All Rights Reserved.
Case is a trademark registered in the United States and many
other countries, owned or licensed to CNH Industrial N.V.,
its subsidiaries or affiliates.

SERVICEMANUAL
750MLongTrack(LT)[NCDC75000-],750MLongTrack(LT)[NDDC70000-],
750MLongTrack(LT)[NEDC70000-],750MLongTrack(LT)[NFDC70000-
],750MLongTrack(LT)-Tier4A(interim)[NFC101000-],750MWideTrack
(WT)/LowGroundPressure(LGP)[NCDC75000-],750MWideTrack(WT)
/LowGroundPressure(LGP)[NDDC70000-],750MWideTrack(WT)/
LowGroundPressure(LGP)[NEDC70000-],750MWideTrack(WT)/Low
GroundPressure(LGP)[NFDC70000-],750MWideTrack(WT)/LowGround
Pressure(LGP)-Tier4A(interim)[NFC101000-]
5141856510/11/2017
EN

LinkProduct/Engine
ProductMarketProductEngine
750MLongTrack(LT)-Tier4A
(interim)[NFC101000-]
NorthAmericaF5HFL413J*A002
750MWideTrack(WT)/Low
GroundPressure(LGP)-Tier4A
(interim)[NFC101000-]
NorthAmericaF5HFL413J*A002
750MLongTrack(LT)
[NCDC75000-]
NorthAmericaF5HFL413J*A002
750MLongTrack(LT)
[NDDC70000-]
NorthAmericaF5HFL413J*A002
750MLongTrack(LT)
[NEDC70000-]
NorthAmericaF5HFL413J*A002
750MLongTrack(LT)
[NFDC70000-]
NorthAmericaF5HFL413J*A002
750MWideTrack(WT)/
LowGroundPressure(LGP)
[NCDC75000-]
NorthAmericaF5HFL413J*A002
750MWideTrack(WT)/
LowGroundPressure(LGP)
[NDDC70000-]
NorthAmericaF5HFL413J*A002
750MWideTrack(WT)/
LowGroundPressure(LGP)
[NEDC70000-]
NorthAmericaF5HFL413J*A002
750MWideTrack(WT)/
LowGroundPressure(LGP)
[NFDC70000-]
NorthAmericaF5HFL413J*A002
5141856510/11/2017

Contents
INTRODUCTION
Maintenance..............................................................................00
[00.150]Start-up.............................................................................00.1
[00.AAA]Maintenancegenericsub-group...................................................00.2
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.216]Fueltanks..........................................................................10.2
[10.206]Fuellters..........................................................................10.3
[10.202]Aircleanersandlines..............................................................10.4
[10.250]Turbochargerandlines.............................................................10.5
[10.501]ExhaustGasRecirculation(EGR)exhausttreatment..............................10.6
[10.400]Enginecoolingsystem.............................................................10.7
[10.414]Fananddrive......................................................................10.8
[10.310]Aftercooler..........................................................................10.9
[10.304]Enginelubricationsystem........................................................10.10
Powercoupling...........................................................................19
[19.100]Driveshaft..........................................................................19.1
Hydrostaticdrive.........................................................................29
[29.218]Pumpandmotorcomponents......................................................29.1
[29.202]Hydrostatictransmission...........................................................29.2
Brakesandcontrols....................................................................33
[33.110]Parkingbrakeorparkinglock......................................................33.1
[33.202]Hydraulicservicebrakes...........................................................33.2
Hydraulicsystems.......................................................................35
[35.000]Hydraulicsystems..................................................................35.1
[35.300]Reservoir,cooler,andlters........................................................35.2
5141856510/11/2017

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[35.104]Fixeddisplacementpump..........................................................35.3
[35.359]Maincontrolvalve..................................................................35.4
[35.741]Dozerbladecylinders..............................................................35.5
[35.525]Auxiliaryhydraulicvalvesandlines................................................35.6
Tracksandtracksuspension........................................................48
[48.130]Trackframeanddrivingwheels....................................................48.1
[48.100]Tracks..............................................................................48.2
[48.134]Tracktensionunits.................................................................48.3
[48.138]Trackrollers........................................................................48.4
[48.140]Dropboxandnaldrive............................................................48.5
Cabclimatecontrol.....................................................................50
[50.100]Heating.............................................................................50.1
[50.104]Ventilation..........................................................................50.2
[50.200]Airconditioning.....................................................................50.3
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
[55.202]Coldstartaid.......................................................................55.7
[55.011]Fueltanksystem...................................................................55.8
[55.014]Engineintakeandexhaustsystem.................................................55.9
[55.640]Electronicmodules...............................................................55.10
[55.030]Servicebrakeelectricalsystem..................................................55.11
[55.512]Cabcontrols......................................................................55.12
[55.050]Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem...............55.13
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[55.518]Wiperandwashersystem........................................................55.14
[55.408]Warningindicators,alarms,andinstruments....................................55.15
[55.989]ExhaustGasRecirculation(EGR)electricalsystem.............................55.16
[55.DTC]FAULTCODES..................................................................55.17
Lubricationsystem......................................................................71
[71.460]Greaselubricationsystem.........................................................71.1
Dozerbladeandarm...................................................................86
[86.110]Dozerblade........................................................................86.1
Tools.........................................................................................89
[89.128]Ripperassembly...................................................................89.1
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.151]Cabinterior.........................................................................90.2
[90.154]Cabdoorsandhatches............................................................90.3
[90.120]Mechanically-adjustedoperatorseat...............................................90.4
[90.124]Pneumatically-adjustedoperatorseat..............................................90.5
[90.110]Operatorplatformlesscab.........................................................90.6
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INTRODUCTION
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Contents
INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing....................................3
Safetyrules(*)..................................................................................4
Safetyrules-Personalsafety..................................................................5
Safetyrules-Ecologyandtheenvironment(*).................................................7
Safetyrules-Donotoperatetag...............................................................8
Torque-Minimumtighteningtorquesfornormalassembly.....................................9
Torque-Standardtorquedataforhydraulics.................................................14
Torque-Standardtorquedataforhydraulicconnections.....................................30
Torque........................................................................................37
Basicinstructions-Shopandassembly(*)...................................................40
Enginecoolingsystem-Basicinstructions...................................................42
Maintenancechart............................................................................44
Basicinstructions-Movingadisabledmachine..............................................45
Hydrauliccontamination......................................................................55
Capacities.....................................................................................56
Generalspecication.........................................................................57
Conversionfactors............................................................................64
ConsumablesLoctite®ProductChart........................................................66
Productidentication..........................................................................72
Productidentication-Machineorientation..................................................74
(*)Seecontentforspecicmodels
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