Service Manual

Mow/TransportSwitch
g190819
Figure176
1.Mowspeedlimiter
3.SwitchLEDlocation
2.Mow/transportswitch
Themow/transportswitchisanormallyclosedproximityswitchthatopenswhen
themowspeedlimiterisplacedintheTRANSPORTposition.Theswitchmounts
toabracketonthefootrestplatform(Figure176).Thesensingplateforthe
mow/transportswitchisthemowspeedlimiter.
TheT oroElectronicController(TEC)monitorstheoperationofthemow/transport
switch.
TestingtheMow/TransportSwitch
1.Parkthemachineonalevelsurface,lowerthecuttingdecks,settheparking
brake,andshutofftheengine.
2.Beforeyoudisconnectthemow/transportswitchfortesting,ensurethat
youtesttheswitchanditscircuitwiringasaTECelectricalinputwiththe
InfoCenterdisplay;refertoUsingtheInfoCenterDisplayforTroubleshooting
(page5–26).
3.Iftheinputtestingveriesthatthemow/transportswitchandcircuitwiringare
functioningcorrectly,nofurthermow/transportswitchtestingisnecessary.
4.Iftheinputtestingdeterminesthatthemow/transportswitchandcircuitwiring
arenotfunctioningcorrectly,proceedwiththetest.
5.Locatethemow/transportswitch(Figure176).
6.TurnthekeyswitchtotheRUNposition(donotstarttheengine)andcheck
theLEDonthecableendofthemow/transportswitch.TheLEDshouldbe
illuminatedmowspeedlimiterisintheMOWposition.TheLEDshouldnotbe
illuminatedwhenthelimiterisintheTRANSPORTposition.
7.Ifthemow/transportswitchLEDdidnotfunctioncorrectly,dothefollowing:
A.Ensurethatthemow/transportswitchisproperlyadjusted;referto
AdjustingtheMow/TransportSwitch(page5–44).Ifnecessary,adjustthe
switchandreturntostep6.
B.EnsurethatthekeyswitchisintheOFFpositionanddisconnectthe
mow/transportswitchconnectorfromtheplatformwireharness.
C.Useamultimeter(ohmssetting),checkthattheplatformwireharness
connectorterminalforblackwireisclosed(continuity)totheground.
ElectricalSystem:TestingtheElectricalComponents
Page5–68
Groundsmaster
®
4300-D
16226SLRevD