Noticeofrevision
Noticeofrevision
1strevision
Theaffectedpagesareindicatedbytheuseofthe followingmarks.Itisrequestedthatnecessaryactionsmustbetakentothesepagesaccordingtothe listbelow.
Listofrevisedpages
2012/07
MarkIndicationActionrequired
QPagetobenewlyaddedAdd qPagetobereplacedReplace ()PagetobedeletedDiscard
Q 1(01)10-1840-1740-54 Q 2(01)10-1940-1840-55 00-110-2040-1940-56 00-210-2140-2040-57 00-310-2240-2140-58 00-410-2340-2240-59 00-510-2440-2340-60 00-610-2540-2440-61 01-110-2640-2540-62 01-210-2740-2640-63 01-310-2840-2740-64
01-420-140-2840-65 q 01-5(01)20-240-2940-66 01-620-340-3040-67 01-720-440-3140-68
01-830-140-3240-69 01-930-240-3340-70
01-1030-340-3440-71 01-1130-440-3540-72 01-1230-540-3640-73 10-130-640-3740-74 10-240-140-3840-75 10-340-240-3940-76 10-440-340-4040-77 10-540-440-4140-78 10-640-540-4240-79 10-740-640-4340-80 10-840-740-4440-81 10-940-840-4540-82 10-1040-940-4640-83 10-1140-1040-4740-84 10-1240-1140-4840-85 10-1340-1240-4940-86
10-1440-1340-5040-87 10-1540-1440-5140-88 10-1640-1540-5290-1 10-1740-1640-5390-2
MarkPage
1 2 qColophon(01)
MachinemodelSerialnumber
WA900-3E060079andup
00Indexandforeword
TableofContents
00Indexandforeword
TableofContents....................................................................................................................00-2
TableofContents.................................................................................................................00-2
Foreword.................................................................................................................................00-6
Beforereadingthismanual..................................................................................................00-6
01Specification
Specification............................................................................................................................01-3
Specificationdimensiondrawing..........................................................................................01-3
Specifications.......................................................................................................................01-4
Weighttable.........................................................................................................................01-7
Tableoffuel,coolantandlubricants....................................................................................01-9
10Structureandfunction
Coolingsystemandrelateddevices.......................................................................................10-3
Coolingsystem....................................................................................................................10-3
Hydraulicsystem.....................................................................................................................10-5
Powerladdersystem...........................................................................................................10-5
Electricalsystem.....................................................................................................................10-10
Powerladdercontroller........................................................................................................10-10
Rearviewmonitorsystem....................................................................................................10-19
Engineservicemonitorsystem............................................................................................10-22
Parkingbrakecircuit............................................................................................................10-24
Sensor..................................................................................................................................10-26
20Standardvaluetable
Standardvaluetable...............................................................................................................20-3
Standardvaluetableforchassis..........................................................................................20-3
Standardvaluetableforelectricalsystem...........................................................................20-4
30Testingandadjusting
Testingandadjusting..............................................................................................................30-3
Inspectionandadjustmentofpotentiometer........................................................................30-3
Ladderpositioncalibrationprocedure..................................................................................30-4
Procedurefortestingdiodes................................................................................................30-6
40Troubleshooting
Generalinformationontroubleshooting..................................................................................40-4
Classificationandproceduresoftroubleshooting................................................................40-4
Failurecodestable...............................................................................................................40-5
Fuselocations......................................................................................................................40-7
Troubleshootingbyfailurecode..............................................................................................40-9
Failurecode[D1EMKA](Disconnectionofparkingbrakeinterlockrelay)...........................40-9
Failurecode[D1EMKB](Groundfaultofparkingbrakeinterlockrelay)..............................40-11
Failurecode[D1EMKY](Hotshortofparkingbrakeinterlockrelay)...................................40-12
Failurecode[D1EPKA](Disconnectionofladderdrivepumprelay)...................................40-13
Failurecode[D1EPKB](Groundfaultofladderdrivepumprelay)......................................40-14
Failurecode[D1EPKY](Shortcircuitofladderdrivepumprelay).......................................40-15
Failurecode[D1EQKY](Ladderoperationalarmrelayoutputhotshortcircuit)..................40-16
Failurecode[D1EQKZ](Ladderoperationalarmrelayoutputabnormality: Opencircuit,groundfault)........................................................................................40-17
Failurecode[D1ERKB](Ladderraisesolenoidoutputgroundfault)...................................40-18
Failurecode[D1ERKZ](Ladderraisesolenoidoutputabnormality: Opencircuit,hotshortcircuit)...................................................................................40-19
Failurecode[D1ESKB](Ladderlowersolenoidoutputgroundfault)..................................40-20
Failurecode[D1ESKZ](Ladderlowersolenoidoutputabnormality: Opencircuit,hotshortcircuit)...................................................................................40-21
Failurecode[DBL0KR](PowerladdercontrollerCAN-NETsignallineopencircuit)..........40-22
Failurecode[DBL0KT](Non-volatilememorywriteerror)...................................................40-26
Failurecode[DBL1KK](PowerLowError:Batterydirect)...................................................40-27
Failurecode[DBL2KK](SolenoidPowerLowError)...........................................................40-29
Failurecode[DDB6KZ](Parkingbrakesystemabnormality)..............................................40-31
Failurecode[DDDGKY](Ladderoperationswitchhotshortcircuit)....................................40-33
Failurecode[DDDKKY](Ladderraiseoperationswitchhotshortcircuit)...........................40-35
Failurecode[DDDLKY](Ladderloweroperationswitchhotshortcircuit)...........................40-38
Failurecode[DK5VKX](Ladderanglesensorabnormality:Outofrange)..........................40-41
Failurecode[DK5VMA](Powerladdersystemabnormality)...............................................40-43
Failurecode[DUM9KY](Ladderindicatoroutputhotshortcircuit).....................................40-46
Failurecode[DUM9KZ](Ladderindicatoroutputabnormality:Opencircuit,hotshortcircuit)40-47
Failurecode[DV00KY](Ladderinterlockcautionoutputhotshortcircuit)..........................40-48
Failurecode[DV00KZ](Ladderinterlockcautionoutputabnormality: Opencircuit,groundfault)........................................................................................40-49
Failurecode[DWNLKA](Laddercushionvalveoutputopencircuit)...................................40-50
Failurecode[DWNLKB](Laddercushionvalveoutputgroundfault)..................................40-51
Failurecode[DWNLKY](Laddercushionvalveoutputhotshortcircuit).............................40-52
Troubleshootingofelectricalsystem(E-mode).......................................................................40-53
E-1Powerladderdoesnotoperate.....................................................................................40-53
E-2Brakeoiltemperaturewarningkeepslighting...............................................................40-56
E-3Parkingbrakedoesnotoperate(asemergencybrake)................................................40-58
E-4Parkingbrakeisappliedwhilemachineistraveling......................................................40-62
E-5ParkingbrakeisreleasedasstartingswitchisturnedtoONposition..........................40-65
Troubleshootingofhydraulicandmechanicalsystem(H-mode)............................................40-67
H-1Powerladderdoesnotmoveoritsspeedislow...........................................................40-67
H-2FanofADDcoolerdoesnotrotate...............................................................................40-68
Troubleshootingofmaintenancemonitorsystem(Kmode)...................................................40-69
Maintenancemonitorsystem...............................................................................................40-69
K-1Hydraulicoillevelgaugeflashes...................................................................................40-71
Troubleshootingformachinemonitor(M-mode).....................................................................40-74
M-1Rearviewmonitordoesnotoperate.............................................................................40-74
M-2Whileclearancelampisturnedon,illuminanceofrearviewmonitorremainsdark.....40-77
M-3Rearviewmonitordoesnotworkinreverse-interlockmode........................................40-78
M-4Illuminanceofrearviewmonitorcannotbeadjusted...................................................40-80
M-5Optionalcontrollererrorandreal-timemonitorsreenarenotdisplayed onengineservicemonitor........................................................................................40-82
M-6Enginecompartmentlampdoesnotlightup................................................................40-84
M-7Steplampdoesnotlightup..........................................................................................40-87
90Diagramsanddrawings
Hydrauliccircuitdiagram........................................................................................................90-3
Symbolsusedinhydrauliccircuitdiagram...........................................................................90-3
Powertrainhydrauliccircuitdiagram...................................................................................90-7
Brake,powerladderandadditionalcoolerhydrauliccircuitdiagram...................................90-9
Workequipmenthydrauliccircuitdiagram...........................................................................90-11
Electricalcircuitdiagram.........................................................................................................90-13
Symbolsusedinelectriccircuitdiagram..............................................................................90-13
Electricalcircuitdiagram......................................................................................................90-17
Connectorarrangementdiagram.........................................................................................90-21
qThisshopmanualdescribesonlythedifferentpartfromthestandardmachine(WA900-3E0:S/N60079 andup).
qForthecomponentthatisnotdescribedinthismanual,refertotheshopmanualforthestandardmachine (WA900-3E0:S/N60079andup).
MachinemodelSerialnumber
WA900-3E060079andup 01Specification
Specifications
MachinemodelWA900-3E0
Serialnumber60079andup
WeightOperatingweightkg111,200
Loadonfrontaxlekg62,020
Loadonrearaxlekg49,180
Bucketcapacity(heaped) m3 13.0
Operatingloadkg23,400
TravelspeedForward1stkm/h7.0
TravelspeedForward2ndkm/h12.3
TravelspeedForward3rdkm/h28.0
TravelspeedReverse1stkm/h7.1
TravelspeedReverse2ndkm/h12.4
TravelspeedReverse3rdkm/h28.3
MaximumrimpullkN{kg}588.4{60,000}
Gradeabilitydegree25
Min.turningradius
Centerofoutsidetiremm9,200
Outsideofchassis(bucketwithteeth)mm11,000
Overalllength(bucketwithteeth)mm14,058
Overallwidth(chassis)mm4,585
Bucketwidth(outsideofcuttingedge)mm4,810
Bucketwidth(withtireguards)mm5,045
Overallheight(totopofROPScab)mm5,275
Overallheight(withbucketfully raised) mm9,680
Wheelbasemm5,450
Treadmm3,350
Min.groundclearancemm295
Maximumbuckethingepinheightmm6,960
Dumpingclearance (toothtip/cuttingedgeend)
Dumpingreach (toothtip/cuttingedgeend)
mm4,640/5,020
mm2,450/2,215
Buckettilt-forwardangledegree47
Buckettilt-backangle(travelingposture) degree60
Diggingdepth,10deg.(toothtip/cuttingedgeend) mm470/645
Engine
Power train system
Wheel and axle
Brake
MachinemodelWA900-3E0
Serialnumber60079andup
ModelKomatsuSAA12V140E-3
4-cycle,water-cooled,Vtype12-cylinder,directinjection, withtwinturbochargersand Typeaftercooler
NumberofcylindersBorexStrokemm12140x165
Totaldisplacement l{cc}30.48{30,480}
Ratedhorsepower
SAEJ1995(gross)
ISO14396671{900}/2,050{2,050}
kW{HP}/min-1 {rpm} 671{900}/2,050{2,050}
ISO9249/SAEJ1349(net)638{856}/2,050{2,050}
Maximumtorque Nm/rpm {kgm/rpm} 4,089{417}/1,300
Ratedfuelconsumptionrateg/kWh {g/HPh}
200.4{149.8}
Max.speedwithnoloadrpm2,200
Min.speedwithnoloadrpm650
Startingmotor24V,7.5kWx2
Alternator24V,90Ax2
Battery12V,200Ahx2
Torqueconverter3-element,1-stage,1-phase(TCA51-1A)
Transmission Planetarygear,3-forwardand3-reversespeeds (KTM3365)
ReductiongearunitSpiralbevelgeartype
DifferentialStraightbevelgeartype
FinalreductiongearPlanetarygear,singlereduction,oilbathtype
DrivemethodFrontandrearwheeldrive
FrontaxleFullfloatingtype,fixedtoframe
RearaxleFullfloatingtype,supportedbycenterpin
Tire45/654558PR(L5)
Wheelrim36.00x45WTB
Inflationpressure kPa{kg/cm2} 667{6.8}
Footbrake
Handbrake
Steeringsystem
Wet,multipledisctypebrakesactingonfrontandrear wheelsindependently
Drydisctypebrakeactingondriveshaft(frontaxle), hydraulicallyreleasedandspringapplied
TypeFramearticulationsteering
StructureFullhydraulicpowersteering