Toro Groundsmaster 3320-D - Testing the Glow Plug System (Groundsmaster 3280-D); Checking the Operation of the Interlock Switches

TestingtheChargingSystem(continued)
BatteryVoltageTable
Atleast0.50Vovertheinitialbatteryvoltage.
Initialbatteryvoltage=12.30V
Batteryvoltageafter3minutescharge
=12.85V
Difference
=+0.55V
TestingtheGlowPlugSystem(Groundsmaster3280-D)
Thisisafast,simpletestthathelpstodeterminetheintegrityandoperationof
theGroundsmaster3280-Dglowplugsystem.Performthistestwhenyound
hardstarting(coldengine)onadieselengineequippedwithaglowplugsystem.
Tool(s)required:Digitalmultimeterand/orinductiveAmmeter(AC/DCCurrent
Transducer).
Testinstructions:Properlyconnecttheammetertothedigitalmultimeter(referto
themanufacturer’sinstructions).Setthemultimetertothecorrectscale.With
thekeyswitchintheOFFposition,placetheammeterpickuparoundthemain
glowplugpowersupplywireandreadthemeterpriortoactivatingtheglowplug
system.Adjustthemetertoreadzero(ifapplicable).Activatetheglowplug
systemandrecordthemultimeterresults.
TheglowplugsystemoftheGroundsmaster3280-Dmachineshouldhavea
readingofapproximately21A.
CheckingtheOperationoftheInterlockSwitches
CAUTION
Donotdisconnectthesafetyswitches.Theyarefortheoperator’s
protection.
Checktheoperationoftheinterlockswitchesdailyforproper
operation.
Replaceanymalfunctioningswitchesbeforeoperatingthemachine.
TheGroundsmaster3280-Dand3320machinesisequippedwithaStandard
ControlModule(SCM)whichmonitorstheinterlockswitchoperation.The
informationontheSCMisdescribedinStandardControlModule(SCM)(page
6–3)andtheTractionUnitOperator'sManual.
TheinterlocksystemusedonyourGroundsmasterincludesthekeyswitch,
PTOswitch,seatswitch,tractionneutralsensor,parkingbrakeswitch,anddeck
liftswitch.
TestingoftheindividualinterlockswitchesisincludedintheTestingtheElectrical
Components(page6–20).
ElectricalSystem:ElectricalSystemQuickChecks
Page6–16
Groundsmaster
®
3280-D/3320
05138SLRevB