New Holland W270C Tier 4 User manual

Print No. 84547255C
Wheel Loader
Tier 4
W270C / W300C
SERVICE MANUAL

SERVICEMANUAL
W270C
W300C
84547255C15/03/2013
EN
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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
[10.310]Aftercooler..........................................................................10.5
Transmission..............................................................................21
[21.114]Mechanicaltransmission...........................................................21.1
Four-WheelDrive(4WD)system..................................................23
[23.314]Driveshaft..........................................................................23.1
Frontaxlesystem.......................................................................25
[25.100]Poweredfrontaxle.................................................................25.1
Rearaxlesystem........................................................................27
[27.100]Poweredrearaxle..................................................................27.1
Brakesandcontrols....................................................................33
[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
[35.525]Auxiliaryhydraulicvalvesandlines................................................35.4
[35.701]Frontloaderarmhydraulicsystem.................................................35.5
[35.723]Frontloaderbuckethydraulicsystem..............................................35.6
Framesandballasting.................................................................39
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[39.100]Frame..............................................................................39.1
Steering.....................................................................................41
[41.101]Steeringcontrol....................................................................41.1
[41.200]Hydrauliccontrolcomponents......................................................41.2
[41.216]Cylinders...........................................................................41.3
[41.910]Auxiliarysteering...................................................................41.4
Wheels......................................................................................44
[44.511]Frontwheels........................................................................44.1
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
[55.202]Coldstartaid.......................................................................55.7
[55.011]Fueltanksystem...................................................................55.8
[55.988]SelectiveCatalyticReduction(SCR)electricalsystem............................55.9
[55.012]Enginecoolingsystem...........................................................55.10
[55.024]Transmissioncontrolsystem.....................................................55.11
[55.519]Cabbrakecontrols...............................................................55.12
[55.030]Servicebrakeelectricalsystem..................................................55.13
[55.031]Parkingbrakeelectricalsystem..................................................55.14
[55.512]Cabcontrols......................................................................55.15
[55.035]Remotecontrolvalveelectriccontrol............................................55.16
[55.036]Hydraulicsystemcontrol.........................................................55.17
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[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
[55.530]Camera...........................................................................55.23
[55.518]Wiperandwashersystem........................................................55.24
[55.404]Externallighting..................................................................55.25
[55.405]Externallightingswitchesandrelays............................................55.26
[55.514]Cablighting......................................................................55.27
[55.510]Caborplatformharnessesandconnectors......................................55.28
[55.408]Warningindicators,alarms,andinstruments....................................55.29
[55.DTC]FAULTCODES..................................................................55.30
Booms,dippers,andbuckets.......................................................84
[84.100]Bucket..............................................................................84.1
Platform,cab,bodywork,anddecals.............................................90
[90.150]Cab.................................................................................90.1
[90.151]Cabinterior.........................................................................90.2
[90.114]Operatorprotections...............................................................90.3
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INTRODUCTION
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Contents
INTRODUCTION
Internationalsymbols–Conversionfactors....................................................3
Torque..........................................................................................5
Basicinstructions...............................................................................9
Torque–Driveshafts,centerbearing,anduniversaljoints...................................11
Capacities.....................................................................................12
W270C
Capacities.....................................................................................13
W300C
Generalspecication.........................................................................14
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INTRODUCTION
Internationalsymbols–Conversionfactors
MetrictoU.S.
MultiplyByToobtain
Sq.meter10.76391Squarefoot
AreaHectare2.47105Acre
Newton3.596942Ounceforce
ForceNewton0.224809Poundforce
Millimeter0.039370Inch
Meter3.280840Foot
Length
Kilometer0.621371Mile
MassKilogram2.204622Pound
Mass/AreaKilogram/hectare0.000466Ton/acre
Mass/Energygr/kW/hr.0.001644lbs/hp/hr.
Mass/VolumeKg/cubicmeter1.685555lb/cubicyd.
PowerKilowatt1.34102Horsepower
Kilopascal0.145038lb/sq.inch
PressureBar14.50385lb/sq.inch
TemperatureDegreeC1.8xC+32DegreeF
Newtonmeter8.850748lb/inch
TorqueNewtonmeter0.737562lb/foot
VelocityKilometer/hr.0.621371Miles/hr.
Cubiccentimeter0.061024Cubicinch
Cubicmeter35.31466Cubicfoot
Cubicmeter1.307950Cubicyd.
Milliliter0.033814Ounce(USuid)
Litre1.056814Quart(USliquid)
Litre0.879877Quart(Imperial)
Litre0.264172Gallon(USliquid)
Volume
Litre0.219969Gallon(Imperial)
Litre/min.0.264172Gallon/min.(USliquid)
Volume/timeLitre/min.0.219969Gallon/min.(Imperial)
U.S.toMetric
MultiplyByToobtain
Squarefoot0.092903Squaremeter
AreAcre0.404686Hectare
Ounceforce0.278014Newton
ForcePoundforce4.448222Newton
Inch25.4*Millimeter
Foot0.3048*Meter
Length
Mile1.609344*Kilometer
Pound0.453592Kilogram
MassOunce28.35Gram
Mass/AreaTon/acre2241702Kilogram/hectare
Mass/Energylb/hp/hr608.2774gr/kW/hr
Mass/Volumelb/cubicyd.0.593276kg/cubicmeter
PoweHorsepower0.745700Kilowatt
lbs/sq.in.6.894757Kilopascal
lbs/sq.in.0.069Bar
Pressure
lbs/sq.in.0.070303Kg/sq.cm
TemperatureDegreeF1.8F-32DegreeC
Pound/inch0.112985Newtonmeter
TorquePound/foot1.355818Newtonmeter
VelocityMiles/hr.1.609344*Kilometer/hr.
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INTRODUCTION
MultiplyByToobtain
Cubicinch16.38706Cubiccentimeter
Cubicfoot0.028317Cubicmeter
Cubicyard0.764.555Cubicmeter
Ounce(USuid)29.57353Milliliter
Quart(USliquid)0.946353Litre
Quart(Imperial)1.136523Litre
Gallon(US)3.785412Litre
Volume
Gallons(Imperial)4.546092Litre
Volume/time:Gallon/min.3.785412Litre/min.
*=exact
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INTRODUCTION
Torque
Decimalhardware
Usethetorquesinthischartwhenspecialtorquesarenotgiven.ThesetorquesapplytofastenerswithbothUNCand
UNFthreadsasreceivedfromsuppliersdry,orwhenlubricatedwithengineoil.Notapplicableifspecialgraphities,
Molydisuldegreases,orotherextremepressurelubricantsareused.
Grade5Bolts,NutsandStuds
1/4in12-15N·m(106-133lbin)
5/16in23-28N·m(204-248lbin)
3/8in48-57N·m(425-504lbin)
7/16in73-87N·m(54-64lbft)
1/2in109-130N·m(80-96lbft)
9/16in149-179N·m(110-132lbft)
5/8in203-244N·m(150-180lbft)
3/4in366-439N·m(270-324lbft)
7/8in542-651N·m(400-480lbft)
1.0in787-944N·m(580-696lbft)
1-1/8in1085-1193N·m(800-880lbft)
1-1/4in1519-1681N·m(1120-1240lbft)
1-3/8in1980-2278N·m(1460-1680lbft)
1-1/2in2631-2983N·m(1941-2200lbft)
Grade8Bolts,NutsandStuds
1/4in16-20N·m(142-177lbin)
5/16in33-39N·m(292-345lbin)
3/8in61-73N·m(540-646lbin)
7/16in95-114N·m(70-84lbft)
1/2in149-179N·m(110-132lbft)
9/16in217-260N·m(160-192lbft)
5/8in298-358N·m(220-264lbft)
3/4in515-618N·m(380-456lbft)
7/8in814-976N·m(600-720lbft)
1.0in1220-1465N·m(900-1081lbft)
1-1/8in1736-1953N·m(1280-1440lbft)
1-1/4in2468-2712N·m(1820-2000lbft)
1-3/8in3227-3688N·m(2380-2720lbft)
1-1/2in4285-4827N·m(3160-3560lbft)
NOTE:UsethicknutswithGrade8bolts.
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