Toro 30403 Service Manual

HighTemperatureWarningSwitch
g227147
Figure151
1.Hightemperaturewarningswitch(dieselengine)
g230991
Figure152
1.Hightemperaturewarningswitch(gasolineengine)
Thehightemperaturewarningswitch(Figure151andFigure152)isattached
tothewaterpumphousingontheengineandhasayellowwireattachedtoit.
Thisswitchisnormallyopenandcloseswhentheenginecoolanttemperature
reachesapproximately105°C(220°F).Theclosedswitchcausesthehigh
temperaturewarninglightontheconsoletoilluminateandalsoprovidesaninput
totheStandardControlModule(SCM).
ThisinputcausestheSCMhightemperaturewarningLEDtoilluminateandthe
cuttingdecktoshutdown.Thehightemperaturewarningswitchandcircuit
wiringshouldbetestedasaSCMinputbeforeperformingthefollowingtesting
procedure.
TestingtheHighTemperatureWarningSwitch
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,shutoffthe
engine,settheparkingbrake,andremovethekeyfromthekeyswitch.
2.Unlatchthehoodandraiseit.
ElectricalSystem:TestingtheElectricalComponents
Page6–52
Groundsmaster
®
3280-D/3320
05138SLRevB

Toro 30403 Specifications

General

Brand	Toro
Model	30403
Category	Lawn Mower
Language	English