Toro Groundsmaster 3280-D Service Manual

TractionNeutralSensor(MachineSerialNumberabove316000000)
g226812
Figure148
1.Tractionneutralsensor3.Neutralarm
5.Lockwasher(2each)
2.Sensorbracket4.Jamnut(2each)
Thetractionneutralsensorisanormallyopenproximityswitchthatcloseswhen
thetractionpedalisintheneutralposition.Thesensorislocatedundertheseat
andmountstoasensorbracketoverthehydraulicpump(Figure148).The
sensingplateforthetractionneutralsensoristheneutralarm.
TheStandardControlModulemonitorstheoperationofthetractionneutral
sensor.IfthekeyswitchisintheONpositionandthetractionpedalisinthe
neutralposition,theSCMneutralinputLEDshouldbeilluminated.
TestingtheTractionNeutralSensor
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,settheparking
brake,andshutofftheengine.
2.Beforeyoudisconnectthetractionneutralsensorfortesting,ensurethat
youtestthesensoranditscircuitwiringasaSCMinput;refertoStandard
ControlModule(SCM)(page6–3).
3.IftheSCMveriesthatthesensorandcircuitwiringarefunctioningcorrectly,
thennomoreswitchtestingisnecessary.
4.IftheSCMdeterminesthatthetractionneutralsensorandcircuitwiringare
notfunctioningcorrectly,proceedwiththetest.
5.Raisetheoperatorseatandremovetheseatplate.
6.Locatethetractionneutralsensor.
7.TurnthekeyswitchtotheRUNposition(donotstarttheengine)andcheck
theLEDonthecableendofthetractionneutralsensor.TheLEDshouldbe
illuminatedwhenthetractionpedalisintheneutralposition.
8.WiththekeyswitchisstillintheRUNposition(donotstarttheengine),press
thetractionpedaleitherforwardorreverseandchecktheLEDonthecable
endofthetractionneutralsensor.TheLEDshouldnotbeilluminatedwhen
thetractionpedalispressed.
ElectricalSystem:TestingtheElectricalComponents
Page6–48
Groundsmaster
®
3280-D/3320
05138SLRevB

Toro Groundsmaster 3280-D Specifications

General

Brand	Toro
Model	Groundsmaster 3280-D
Category	Lawn Mower
Language	English