Toro Groundsmaster 360 - Testing the Glow Plug System; Checking the Operation of the Interlock Switches

TestingtheChargingSystem(continued)
BatteryVoltageTable
Atleast0.50Vovertheinitialbatteryvoltage.
Initialbatteryvoltage=12.30V
Batteryvoltageafter3minutescharge
=12.85V
Difference
=+0.55V
TestingtheGlowPlugSystem
Thisisafast,simpletestthathelpstodeterminetheintegrityandoperationof
theGroundsmasterglowplugsystem.Performthistestwhenyoundhard
starting(coldengine)onadieselengineequippedwithaglowplugsystem.
Tool(s)required:Digitalmultimeterand/orinductiveAmmeter(AC/DCCurrent
Transducer).
Testinstructions:Properlyconnecttheammetertothedigitalmultimeter(refer
tothemanufacturer’sinstructions).Setthemultimetertothecorrectscale.
WiththekeyswitchintheOFFposition,placetheammeterpickuparoundthe
mainglowplugpowersupplywireandreadthemeterpriortoactivatingthe
glowplugsystem.Adjustthemetertoreadzero(ifapplicable).Activatethe
glowplugsystembyturningthekeyswitchtotheRUNpositionandrecordthe
multimeterresults.
TheglowplugsystemoftheGroundsmaster360machinesshouldhavea
readingofapproximately21A.Iflowcurrentreadingisobserved,1(ormore)of
theglowplugsisdamaged.
CheckingtheOperationoftheInterlockSwitches
CAUTION
Donotdisconnectthesafetyswitches.Theyarefortheoperator’s
protection.
Checktheoperationoftheinterlockswitchesdailyforproper
operation.
Replaceanymalfunctioningswitchesbeforeoperatingthemachine.
InterlockswitchoperationisdescribedintheTractionUnitOperator’sManual.
TheGroundsmaster360machinesareequippedwithaToroElectronicController
(TEC)whichmonitorsinterlockswitchoperation.T estingofindividualinterlock
switchesisincludedintheT estingtheElectricalComponents(page5–49).
Note:UsetheInfoCenterdisplaytotesttheT oroElectronicControllerinputs
andoutputsbeforefurthertroubleshootingofanelectricalproblemonyour
Groundsmaster.
ElectricalSystem:ElectricalSystemQuickChecks
Page5–42
Groundsmaster360
16225SLRevC