FanSpeedSwitch(MachineswithOperatorCab)
g243778
Figure142
1.Cabheadliner(air/heatpanel)
2.Fanspeedswitch
Thefanspeedswitchislocatedinthecabheadliner(Figure142).Theswitchis
usedtoselectthefanspeed(off,low,medium,orhigh).
TestingtheFanSpeedSwitch
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,andshutoffthe
engine.Removethekeyfromthekeyswitch.
2.Toaccesstheswitch,removetherooffromthetopofthecab;refertoRoof
Assembly(page11–3).
3.Removetheair/heatpanelfromthecabheadliner.
4.Disconnectthemachinewireharnessconnectorfromthefanspeedswitch.
g242792
Figure143
BackofSwitch
5.Theswitchterminalsareidentiîš¿edinFigure143andthecircuitryofthe
switchisshownintheCircuitLogicTable(page6–43).Withtheuseofa
multimeter(ohmssetting),testtheswitchfunctionstodetermineifcontinuity
existsbetweenonlytheterminalslistedforeachswitchposition.Checkthe
continuitybetweentheswitchterminals.
ElectricalSystem:TestingtheElectricalComponents
Page6–42
Groundsmaster
®
3280-D/3320
05138SLRevB
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