Toro Groundsmaster 4300-D - Page 314

Testing
1.Parkthemachineonalevelsurface,lowerthecuttingdecks,andshutoff
theengine.Removethekeyfromthekeyswitch.
2.Toaccesstheresistor,removethesunshadefromthetopoftheROPS
extension.
3.Disconnectthewireharnessconnectorsfromtheresistormoduleterminals.
4.Useamultimetertocheckthattheresistancevaluesoftheresistormodule
asbelow(Figure197).
TestPoint1TestPoint2ExpectedReading
MotorPinPin1Lessthan9ohms
MotorPinPin2Lessthan6ohms
MotorPinPin3Lessthan3ohms
5.Replacetheresistormoduleifitfailsthetest.
6.Iftheresistormoduletestingiscorrectandacircuitproblemstillexists,check
thewireharness;refertoAppendixA(pageA–1)-FoldoutDrawings.
7.Afteryoucompletethetesting,connectthewireharnessconnectorstothe
resistormoduleterminals(Figure197)andinstallthesunshade.
ElectricalSystem:TestingtheElectricalComponents
Page5–90
Groundsmaster
®
4300-D
16226SLRevC