CASE CONSTRUCTION 521F User manual

Part number 47955970
1st edition English
February 2016
SERVICE MANUAL
521F
Tier 4B (final)
Wheel Loader
Printedin U.S.A.
© 2016 CNH Industrial Italia S.p.A. All Rights Reserved.
Case is a trademark registered in the United States and many
other countries, owned by or licensed to CNH Industrial N.V.,
its subsidiaries or affiliates.

SERVICEMANUAL
521F
4795597002/02/2016
EN

LinkProduct/Engine
ProductMarketProductEngine
521FTIER4BZ-BARNorthAmericaF4HFE413N*B001
521FTIER4BXTNorthAmericaF4HFE413N*B001
521FTIER4BXRNorthAmericaF4HFE413N*B001
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Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.202]Aircleanersandlines..............................................................10.2
[10.500]SelectiveCatalyticReduction(SCR)exhausttreatment...........................10.3
[10.400]Enginecoolingsystem.............................................................10.4
[10.414]Fananddrive......................................................................10.5
[10.310]Aftercooler..........................................................................10.6
[10.304]Enginelubricationsystem..........................................................10.7
Transmission..............................................................................21
[21.113]Powershifttransmission............................................................21.1
[21.135]Powershifttransmissionexternalcontrols..........................................21.2
[21.155]Powershifttransmissioninternalcomponents......................................21.3
Four-WheelDrive(4WD)system..................................................23
[23.314]Driveshaft..........................................................................23.1
Frontaxlesystem.......................................................................25
[25.100]Poweredfrontaxle.................................................................25.1
[25.102]Frontbevelgearsetanddifferential...............................................25.2
[25.108]Finaldrivehub,steeringknuckles,andshafts.....................................25.3
[25.310]Finaldrives.........................................................................25.4
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
4795597002/02/2016

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[33.202]Hydraulicservicebrakes...........................................................33.1
[33.110]Parkingbrakeorparkinglock......................................................33.2
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
[35.357]Pilotsystem........................................................................35.5
[35.752]Hydraulicfandrivecoolingsystem.................................................35.6
[35.355]Hydraulichandcontrol.............................................................35.7
[35.701]Frontloaderarmhydraulicsystem.................................................35.8
[35.723]Frontloaderbuckethydraulicsystem..............................................35.9
[35.734]Toolquickcouplerhydraulicsystem.............................................35.10
Framesandballasting.................................................................39
[39.100]Frame..............................................................................39.1
Steering.....................................................................................41
[41.200]Hydrauliccontrolcomponents......................................................41.1
[41.216]Cylinders...........................................................................41.2
[41.910]Auxiliarysteering...................................................................41.3
Wheels......................................................................................44
[44.511]Frontwheels........................................................................44.1
[44.520]Rearwheels........................................................................44.2
Cabclimatecontrol.....................................................................50
[50.100]Heating.............................................................................50.1
[50.200]Airconditioning.....................................................................50.2
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
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[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
[55.988]SelectiveCatalyticReduction(SCR)electricalsystem............................55.9
[55.989]ExhaustGasRecirculation(EGR)electricalsystem.............................55.10
[55.012]Enginecoolingsystem...........................................................55.11
[55.024]Transmissioncontrolsystem.....................................................55.12
[55.519]Cabbrakecontrols...............................................................55.13
[55.030]Servicebrakeelectricalsystem..................................................55.14
[55.031]Parkingbrakeelectricalsystem..................................................55.15
[55.512]Cabcontrols......................................................................55.16
[55.036]Hydraulicsystemcontrol.........................................................55.17
[55.051]CabHeating,Ventilation,andAir-Conditioning(HVAC)controls.................55.18
[55.050]Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem...............55.19
[55.047]Steeringcontrolsystem..........................................................55.20
[55.524]Cabcontrols(Liftarm,Boom,Dipper,Bucket)...................................55.21
[55.415]Loaderarmandbucketcontrolsystem..........................................55.22
[55.518]Wiperandwashersystem........................................................55.23
[55.404]Externallighting..................................................................55.24
[55.405]Externallightingswitchesandrelays............................................55.25
[55.514]Cablighting......................................................................55.26
[55.510]Caborplatformharnessesandconnectors......................................55.27
[55.408]Warningindicators,alarms,andinstruments....................................55.28
[55.DTC]FAULTCODES..................................................................55.29
Frontloaderandbucket...............................................................82
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[82.100]Arm.................................................................................82.1
[82.300]Bucket..............................................................................82.2
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.156]Cabglazing........................................................................90.2
[90.105]Machineshieldsandguards.......................................................90.3
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INTRODUCTION
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Contents
INTRODUCTION
Foreword-Importantnoticeregardingequipmentservicing....................................3
Safetyrules.....................................................................................4
Personalsafety.................................................................................5
Basicinstructions-Importantnoticeregardingequipmentservicing.........................14
Basicinstructions-Howtousethemaintenancestandardandprecautions.................15
Basicinstructions-Precautionfordisassemblyandassembly...............................17
Basicinstructions-Electricalequipmentprecautions........................................19
Consumables.................................................................................20
Consumables-BiodieselFuel................................................................21
Hydrauliccontamination......................................................................22
Productidentication..........................................................................23
Productidentication..........................................................................24
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