WHEELLOADER
MachinemodelSerialnumber
WA1200-660004andup
00Indexandforeword00-1
TableofContents00-2
00Indexandforeword
TableofContents....................................................................................................................00-2
TableofContents.................................................................................................................00-2
Foreword.................................................................................................................................00-4
Beforereadingthismanual..................................................................................................00-4
01Specification
Specification............................................................................................................................01-3
Specificationdimensiondrawing..........................................................................................01-3
Specifications.......................................................................................................................01-4
Weighttable.........................................................................................................................01-7
Tableoffuel,coolantandlubricants....................................................................................01-9
10Structureandfunction
Enginerelateditems...............................................................................................................10-3
Engineoilreservesystem....................................................................................................10-3
Hydraulicsystem.....................................................................................................................10-6
Powerladdersystem...........................................................................................................10-6
Electricalsystem.....................................................................................................................10-11
Powerladdercontroller........................................................................................................10-11
Rearviewmonitorsystem....................................................................................................10-20
Engineservicemonitorsystem............................................................................................10-23
Parkingbrakecircuit............................................................................................................10-25
20Standardvaluetable
Standardvaluetable...............................................................................................................20-3
Standardvaluetableformachine........................................................................................20-3
Standardvaluetableforelectricalsystem...........................................................................20-4
Sensor..................................................................................................................................10-26
30Testingandadjusting
Testingandadjusting..............................................................................................................30-3
Checkingandadjustmentofpotentiometer.........................................................................30-3
Ladderpositioncalibrationprocedure..................................................................................30-4
Procedurefortestingdiodes................................................................................................30-6
40Troubleshooting
Generalinformationontroubleshooting..................................................................................40-4
Classificationandproceduresoftroubleshooting................................................................40-4
Failurecodestable...............................................................................................................40-5
Connectorlistandlayout.....................................................................................................40-7
Fuselocations......................................................................................................................40-18
Troubleshootingbyfailurecode..............................................................................................40-20
Failurecode[D1EMKA](Disconnectionofparkingbrakeinterlockrelay)...........................40-20
Failurecode[D1EMKB](Groundfaultofparkingbrakeinterlockrelay)..............................40-22
Failurecode[D1EMKY](Failureofparkingbrakeinterlockrelayoutput:Hotshortcircuit).40-24
Failurecode[D1EPKA](Disconnectionofladderdrivepumprelay)...................................40-26
Failurecode[D1EPKB](GroundFaultofLadderDrivePumpRelayOutput)......................40-28
Failurecode[D1EPKY](Failureofladderdrivepumprelayoutput:Hotshortcircuit).........40-30
Failurecode[D1EQKY](Failureofladderexternalalarmrelayoutput:Hotshortcircuit)....40-32
Failurecode[D1EQKZ](Ladderoperationalarmrelayoutputabnormality:Opencircuit,groundfault) .............................................................................................................................................40-34
Failurecode[D1ERKB](Ladderraisesolenoidoutputgroundfault)...................................40-36
Failurecode[D1ERKZ](Failureofladderraisesolenoidoutput:Opencircuit,orhotshortcircuit) .............................................................................................................................................40-38
Failurecode[D1ESKB](Ladderlowersolenoidoutputgroundfault)..................................40-40
Failurecode[D1ESKZ](Failureofladderlowersolenoidoutput:Opencircuit,orhotshortcircuit) .............................................................................................................................................40-42
Failurecode[DBL0KT](Non-volatilememorywriteerror)...................................................40-44
Failurecode[DBL1KK](PowerLowError:Batterydirect)...................................................40-46
Failurecode[DBL2KK](SolenoidPowerLowError)...........................................................40-48
Failurecode[DDB6KZ](Parkingbrakesystemabnormality)..............................................40-50
Failurecode[DDDGKY](Defectiveladderoperationswitch:Hotshortcircuit)...................40-52
Failurecode[DDDKKY](Defectiveladderraiseswitch:Hotshortcircuit)...........................40-54
Failurecode[DDDLKY](Defectiveladderlowerswitch:Hotshortcircuit)..........................40-56
Failurecode[DK5VKX](Ladderanglesensorabnormality:Outofrange)..........................40-58
Failurecode[DK5VMA](Powerladdersystemabnormality)...............................................40-61
Failurecode[DUM9KY](Failureofladderindicatoroutput:Hotshortcircuit).....................40-64
Failurecode[DUM9KZ](Failureofladderindicatoroutput:Opencircuitorgroundfault)...40-66
Failurecode[DV00KY](Failureofladderinterlockcautionoutput:Hotshortcircuit)..........40-68
Failurecode[DV00KZ](Ladderinterlockcautionoutputabnormality:Opencircuit,groundfault) .............................................................................................................................................40-70
Failurecode[DWNLKA](Laddercushionvalveoutputopencircuit)...................................40-72
Failurecode[DWNLKB](Laddercushionvalveoutputgroundfault)..................................40-73
Failurecode[DWNLKY](Laddercushionvalveoutputhotshortcircuit).............................40-74
Troubleshootingofelectricalsystem(E-mode),......................................................................40-75
E-1Powerladderdoesnotoperate.....................................................................................40-75
E-2Parkingbrakedoesnotwork(asemergencybrake).....................................................40-78
E-3Parkingbrakeappliesduringtraveling..........................................................................40-82
E-4ParkingbrakeisreleasedwhenstartingswitchisturnedON.......................................40-84
Troubleshootingformachinemonitor(M-mode).....................................................................40-86
M-1Rearviewmonitordoesnotoperate..............................................................................40-86
M-2TherearviewmonitorisdarkevenwhenclearancelampisON..................................40-89
M-3Rearviewmonitordoesnotlinktoreversemovement..................................................40-90
M-4Cannotadjustthebrightnessofrearviewmonitor........................................................40-92
M-5Enginecompartmentlampdoesnotlight.....................................................................40-94
M-6Nolamplightsinfrontframe.........................................................................................40-97
M-7Transmissionroomlampdoesnotlight........................................................................40-100
M-8Frontandreartirelampsdonotlight............................................................................40-102
Troubleshootingofhydraulicandmechanicalsystem(H-mode)............................................40-104
H-1Powerladderdoesnotmoveoritsspeedislow...........................................................40-104
90Diagramsanddrawings
Hydrauliccircuitdiagram........................................................................................................90-3
Symbolsusedinhydrauliccircuitdiagram...........................................................................90-3
Servicecenterhydraulicdiagram........................................................................................90-7
Electricalcircuitdiagram.........................................................................................................90-9
Symbolsusedinelectriccircuitdiagram..............................................................................90-9
Electricalcircuitdiagram......................................................................................................90-13
Beforereadingthismanual00-4
qThisshopmanualdescribesonlythedifferentpartfromthestandardmachine(WA1200-6:S/N60001and up).
qForthecomponentthatisnotdescribedinthismanual,refertheshopmanualforthestandardmachine (WA1200-6:S/N60001andup).
MachinemodelSerialnumber
WA1200-660004andup
01Specification
Dimensionsin()areforthemachine equippedwith65/65-57-62PRtires.
Dimensionsmarkedwith*and**areformachinesequippedwitharockbucketandlimestonebucketrespectively.
Specifications
Weight
Performance
MachinemodelWA1200-6
Serialnumber60004andup
Operatingweightkg216,800[221,840]
Loadonfrontaxlekg128,900[131,900]
Loadonrearaxlekg87,900[89,940]
Bucketcapacity(heaped) m3
Operatingloadkg36,000
Travelspeedforward1stkm/h6.1[6.0]
Travelspeedforward2ndkm/h11.1[10.9]
Travelspeedforward3rdkm/h18.7[18.3]
Travelspeedreverse1stkm/h6.3[6.2]
Travelspeedreverse2ndkm/h11.4[11.2]
Travelspeedreverse3rdkm/h19.3[18.9]
MaximumrimpullkN{kg}992{101,200}[1,015{103,480}]
Gradeabilitydegree25
Min.turningradius
Centerofoutsidetiremm12,015 Outsideofchassis (bucketwithteeth)mm14,330
Overalllength(bucketwithteeth)mm18,310[18,345]
Overallwidth(chassis)mm5,820[5,970]
Bucketwidthmm
6,400(includingcuttingedges), 6,550(includingtireguards)
Overallheight(totopofROPS)mm6,970[6,930]
Overallheight(withbucketfullyraised)mm12,205[12,165]
Wheelbasemm7,100
Dimension
Treadmm4,300
Min.groundclearancemm760[715]
Maximumbuckethingepinheightmm8,850[8,810]
Dumpingclearance(cuttingedgeend)mm6,755[6,725]
Dumpingreach(cuttingedgeend)mm2,585[2,690]
Buckettilt-forwardangledegree50.5(withbucketfullyraised)
Buckettilt-backangledegree50
Diggingdepthmeasuredatcuttingedge(with bucket10degreeforward-tilt) mm590[630]
Dimensionsin[]areforthemachineequippedwith65/65-57-62PRtires.
Brake
Footbrake
Handbrake
MachinemodelWA1200-6
Serialnumber60004andup
Wet,multipledisctypebrakesactingonfrontand rearwheelsindependently,hydraulicallyactuated
Wet,multipledisctypebrakeactingondriveshaft (transmissionoutputshaft),hydraulicallyreleased andspringapplied
SteeringsystemTypeFramearticulatesteering
StructureFullhydraulicpowersteering
Quadrupletypepump
qTorqueconverterandtransmissionpump
qBrakecoolingpump
qBrakepump
Workequipmentpump(1)
Workequipmentpump(2)
Hydraulic pump delivery
qCoolingfanpump
Hydraulic system
l/min752(Gearpump:SAR(4)200+200)
l/min135(gearpump:SAR(3)71)
l/min74.4(gearpump:SAR(2)40)
l/min633(variabledisplacementpistonpump:HPV160 +160)
l/min385(variabledisplacementpistonpumpHPV95+ 95)
l/min74.4(gearpump:SAL(2)40)
Switchingpump l/min633(variabledisplacementpistonpump:HPV160 +160)
qHydrauliccoolingpump l/min418(gearpump:SAR(3)125+100)
Steeringpump l/min633(variabledisplacementpistonpump:HPV160 +160)
qHydrauliccontrolpump l/min135(gearpump:SAR(2)71)
qPPCpump l/min126(gearpump:SAR(2)63)
Emergencysteeringpump l/min352(gearpump:SAM(3)100+100)
HydraulicmotorCoolingfanmotorFixeddisplacementpistonmotor:LMF40
Transmissionvalve
Control valve setpressure
Cylinder
MPa {kg/cm2}2.65{27}(spooltype,electricallycontrolled)
Steeringvalve MPa {kg/cm2}31.4{320}(spooltype)
EPCvalve MPa {kg/cm2}3.9{40}(electromagnetictype)
Workequipmentvalve MPa {kg/cm2}31.4{320}(2-spooltype)
Steeringcylinder
numberofcylinders-bore xstroke mmDouble-actingpistontype2-225x660
Liftarmcylinder numberofcylinders-bore xstroke mmDouble-actingpistontype2-360x1,835
Bucketcylinder numberofcylinders-bore xstroke mmDouble-actingpistontype2-300x985
ShapeofbucketcuttingedgeSpadenosewithtipteeth
MachinemodelWA1200-6
Serialnumber60004andup
DescriptionSSDA16V160E-2
Type 4-cycle,water-cooled,V-type16-cylinder, directinjection,withturbochargerandaftercooler
Numberofcylinders-borexstrokemm16-159x190
Pistondisplacement(totalpistondisplacement) l{cc}60{60,360}
Rated horsepower
SAEJ1995(Gross)
Engine
Power train
Axle and wheel
1,411{1,892}/1,800{1,800}
ISO143961,411{1,892}/1,800{1,800}
kW{HP}/ min-1 {rpm}
ISO9249/SAEJ1349(Net)1,316{1,765}/1,800{1,800}
Maximumtorque
Nm/rpm {kgm/rpm}8,150/1,500{831/1,500}
Fuelconsumptionratio g/kWh {g/HPh}208{155}(atratedhorsepower:gross)
Max.speedwithnoloadrpm1,900
Min.speedwithnoloadrpm650
Startingmotor24V,9.0kWx2
Alternator24V140A
Battery12V,160Ahx6
Torqueconverter3-element,1-stage,1-phase(TCA51-3)
Transmission Planetarygeartype,3-forwardand3-reverse speeds
ReductiongearunitSpiralbevelgeartype
DifferentialStraightbevelgeartype
Finalreductiongear
Planetarygear,doublereduction,oilbathlubrication
DrivemethodFrontandrearwheeldrive FrontaxleFullfloatingtype,fixedtoframe
RearaxleFullfloatingtype,supportedbycenterpin
Tire(standard)60/80-R57(L5)
Tire(optional)65/65-57-62PR(L5)
Tire(optional)58/85-57-84PR(L5)
Wheelrim(60/80tire)(standard)47.00x57/5.0
Wheelrim(65/65tire)(optional)52.00x57/6.0
Inflationpressure(frontwheel)
kPa {kg/cm2} 690{7.0}
Inflationpressure(rearwheel) kPa {kg/cm2} 590{6.0}
Weighttable
MachinemodelWA1200-6
Serialnumber60004andup Engine8,570
Radiator(includinghydraulicoilcooler)2,776
Coolingfanmotor13.9
Torqueconverteroilcooler209
Torqueconverter1,456
Transmission3,781
Damper375
Upperdriveshaft112
Centerdriveshaft186
Frontdriveshaft275
Reardriveshaft287
Centersupport164
Frontaxle16,248
Rearaxle16,590
Frontdifferential1,618
Reardifferential1,843
Planetarycarrier(percarrier)880
Wheelhub(perhub)710
Axlepivot(rearaxle)(front/rear)625/960
Tire(60tire)(standard)(pertire)5,894
Tire(65tire/58tire)(optional)(pertire)7,100/6,033
Wheel(60tire)(standard)(perwheel)1,895
Wheel(65tire/58tire)(optional)(perwheel)2,050/1,963
Steeringvalve66
Steeringcylinder(percylinder)584
Hydraulictank(tankalone)1,459(1,248)
Workequipmentpump(pump1/pump2)193/180
Torqueconverterpump+transmissionpump+brakecoolingpump+ brakepump72.8
Switchingpump+hydrauliccoolingpump237
Steeringpump+controlpump+PPCpump221
Ladderpumpmotor6
Workequipmentcontrolvalve(pervalve)95
Ladderpowerunit(includingmotor,valveandbox)assembly113
Laddercylinder5
Ladderassembly162
Liftarmcylinder(percylinder)2,963
