Toro Groundmaster Series - Key Switch

KeySwitch
POSITIONCLOSED
CIRCUITS
OFF
1+6,4+5
RUN1+3+4+5+6
START
1+2+4+5+6
Thekeyswitchislocatedontheoperator’sconsoleandhas3positions:OFF,
RUN,andSTART.ThekeyswitchisaninputusedbytheTDMdisplay/controller
tomanagevariousmachinefunctions.
TestingtheKeySwitch
ThekeyswitchanditscircuitwiringcanbetestedusingtheTDM
display/controller;refertoUsingtheTDMDisplay/ControllerScreensfor
Troubleshooting(page3–12).Iftestingdeterminesthattheswitchandcircuit
wiringarenotfunctioningcorrectly,proceedwiththefollowingtestprocedure:
1.Parkthemachineonalevelsurface,lowerthecuttingunit(orattachment),
engagetheparkingbrake,setthekeyswitchtotheOFFpositionandremove
thekeyfromthekeyswitch.
2.Disconnectthebatterynegative(-)cableatthebattery;refertoRemoving
andInstallingtheBattery(page6–64).
3.Removetheoperator’sconsolecovers;refertoRemovingandInstallingthe
Operator’sConsoleCovers(page7–23)
4.Disconnectthewireharnessconnectorfromtheswitchandremovethe
switchfromtheconsoleifnecessary.Checktheswitchandtheharness
connectorfordamageorcorrosionandcleanorrepairifnecessary.
Note:Keyswitchterminals1and6areconnectedinternally.Terminals4
and5arealsoconnectedinternally.Theseterminalsshouldhavecontinuity
regardlessoftheswitchposition.
5.Useamultimeter(ohmssetting)andtheprecedingtabletodetermine
whethercontinuityexistsbetweenthevariousterminalsforeachswitch
position.
6.Replacetheswitchifnecessary.
7.Iftheswitchtestscorrectlyandacircuitproblemstillexists,checkthewire
harnesses;refertoAppendixA(pageA–1).
8.Installtheswitchandconnectthewireharnessaftertesting.
9.Installtheconsolecovers.
10.Connectthebatterynegative(-)cableatthebattery.
ElectricalSystem:TestingtheElectricalComponents
Page6–22
Groundsmaster
®
3200,3300and3310
19240SLRevA