Toro Groundsmaster 5910 Series - Page 379

•A75ohmresistorassemblyisusedforproperkeyswitchoperation.The
resistorplugsintotheconsolewireharnessnearthekeyswitch(seeAppendix
A(pageA–1)).Theresistorcanbeidentiedbyitsgraycolor,resistorsymbol
andT oropartnumberontheendoftheresistorbody(Figure257).
•A1.6Kohm(1600ohm)resistorassemblyisusedforproper12Volt
alternatoroperation.Theresistorplugsintotheenginewireharnessnearthe
starter(seeAppendixA(pageA–1)).Theresistorcanbeidentiedbyits
graycolor,resistorsymbolandT oropartnumberontheendoftheresistor
body(Figure257).
•A2Kohm(2000ohm)miniresistorisusedformonitoringthe24Volt
electricalsystem.Theresistorplugsintodiodeblock2inthefrontpower
centerbehindtheoperatorseat(Figure258).Theresistorcanbeidentied
byitssilvercolorandresistorsymbolontheendoftheresistorbody(Figure
259).
Testing
1.Disconnecttheresistorfromthewireharnessorremovethediodeblock
coverandpulltheresistorfromthediodeblock.
2.Measuretheresistanceacrosstheresistorterminalsusingadigital
multimeter(ohmssetting).Theresistanceacrosstheterminalsshouldbeat
orneartheresistorsratedresistance.Replacetheresistorifareadingother
thantheratedresistanceisobtained.
Groundsmaster
®
5900&5910
Page6–117
ElectricalSystem:ComponentTesting
16227SLRevB