Case WX148 User manual
SERVICE MANUAL
1/1
WX148
Wheeled Excavator
SERVICE MANUAL
WX148
Wheeled Excavator
1/1
Part number 47500167
English
January 2013
Copyright © 2013 CNH Europe Holding S.A. All Rights Reserved.
Part number 47500167
Contents
INTRODUCTION
Engine.......................................................................................10
[10.001]Engineandcrankcase.............................................................10.1
[10.202]Aircleanersandlines..............................................................10.2
[10.206]Fuellters..........................................................................10.3
[10.216]Fueltanks..........................................................................10.4
[10.254]Intakeandexhaustmanifoldsandmufer.........................................10.5
[10.400]Enginecoolingsystem.............................................................10.6
Transmission..............................................................................21
[21.105]Powershifttransmissionlubricationsystem........................................21.1
[21.113]Powershifttransmission............................................................21.2
[21.135]Powershifttransmissionexternalcontrols..........................................21.3
[21.155]Powershifttransmissioninternalcomponents......................................21.4
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
[25.122]Axlesuspensioncontrol............................................................25.4
Rearaxlesystem........................................................................27
[27.100]Poweredrearaxle..................................................................27.1
[27.106]Rearbevelgearsetanddifferential................................................27.2
[27.120]Planetaryandnaldrives..........................................................27.3
Brakesandcontrols....................................................................33
[33.110]Parkingbrakeorparkinglock......................................................33.1
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[33.202]Hydraulicservicebrakes...........................................................33.2
Hydraulicsystems.......................................................................35
[35.000]Hydraulicsystems..................................................................35.1
[35.102]Pumpcontrolvalves................................................................35.2
[35.106]Variabledisplacementpump.......................................................35.3
[35.300]Reservoir,cooler,andlters........................................................35.4
[35.304]Combinationpumpunits...........................................................35.5
[35.352]Hydraulicswingsystem............................................................35.6
[35.353]Hydraulictravelsystem............................................................35.7
[35.354]Hydrauliccentraljoint..............................................................35.8
[35.357]Pilotsystem........................................................................35.9
[35.359]Maincontrolvalve................................................................35.10
[35.360]Hammerandrotatingbuckethydraulicsystem..................................35.11
[35.703]Stabilizerhydraulicsystem.......................................................35.12
[35.730]Positioningarmhydraulicsystem................................................35.13
[35.736]Boomhydraulicsystem..........................................................35.14
[35.737]Dipperhydraulicsystem..........................................................35.15
[35.738]Excavatorandbackhoebuckethydraulicsystem................................35.16
[35.741]Dozerbladecylinders............................................................35.17
Framesandballasting.................................................................39
[39.103]Swingringassembly...............................................................39.1
[39.129]Stabilizers..........................................................................39.2
[39.140]Ballastsandsupports..............................................................39.3
Steering.....................................................................................41
[41.101]Steeringcontrol....................................................................41.1
[41.106]Tierods.............................................................................41.2
[41.200]Hydrauliccontrolcomponents......................................................41.3
[41.216]Cylinders...........................................................................41.4
Wheels......................................................................................44
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[44.511]Frontwheels........................................................................44.1
Cabclimatecontrol.....................................................................50
[50.200]Airconditioning.....................................................................50.1
Electricalsystems.......................................................................55
[55.000]Electricalsystem...................................................................55.1
[55.010]Fuelinjectionsystem...............................................................55.2
[55.012]Enginecoolingsystem.............................................................55.3
[55.014]Engineintakeandexhaustsystem.................................................55.4
[55.015]Enginecontrolsystem..............................................................55.5
[55.020]Transmissionspeedsensors.......................................................55.6
[55.031]Parkingbrakeelectricalsystem....................................................55.7
[55.036]Hydraulicsystemcontrol...........................................................55.8
[55.050]Heating,Ventilation,andAir-Conditioning(HVAC)controlsystem.................55.9
[55.100]Harnessesandconnectors.......................................................55.10
[55.110]Electricalrotaryjoint..............................................................55.11
[55.302]Battery............................................................................55.12
[55.404]Externallighting..................................................................55.13
[55.425]Boom,dipper,andbucketcontrolsystem........................................55.14
[55.512]Cabcontrols......................................................................55.15
[55.514]Cablighting......................................................................55.16
[55.525]Cabenginecontrols..............................................................55.17
[55.530]Camera...........................................................................55.18
[55.640]Electronicmodules...............................................................55.19
Booms,dippers,andbuckets.......................................................84
[84.100]Bucket..............................................................................84.1
[84.910]Boom...............................................................................84.2
Dozerbladeandarm...................................................................86
[86.110]Dozerblade........................................................................86.1
47500167A31/01/2013
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