Toro Groundsmaster 4500-D Series - Page 302

TractionPedalAdjustment(continued)
A.Voltageinfullreverseshouldbefrom0.5to1.75V(approximate).
B.Voltageinfullforwardshouldbefrom3.5to4.5V(approximate).
5.Ifvoltagerangefromfullreversetofullforwardisincorrect,adjustmentofthe
springshaftandrodendbearingisnecessary(Figure179).
A.Loosenhexnutthatsecuresrodendbearinginspringshaft.Hexnutcan
beaccessedthroughslotinframebracketnexttotractionpedal.
B.Usehexonfrontendofspringshafttorotatespringshaftwhichchanges
tractionpedalpositioninrelationtotractionpedalpositionsensor.The
springshafthexnutcanbeaccessedfrombelowthemachine.
C.Checkrangeofvoltageasdescribedinstep4aboveandmake
additionaladjustmentstothespringshaftuntilrangeofvoltageiswithin
specications.
D.Tightenhexnuttosecurerodendbearinginspringshaft.Checkthat
tractionpedalrangeofvoltageisstillcorrectafterhexnutistightened.
Traction Pedal
Forward Range: OFF
Neutral
Reverse Range: OFF
ON
g309422
Figure181
6.Afteranyadjustmentofthespringshaftandrodendbearing,usethe
InfoCenterDisplayDiagnosticsmenutoobtainandselecttheTractionPedal
menuitem(seeInfoCenterDisplay(page6–8)).ChooseOutputsandthe
InfoCenterdisplaywillidentifythetractionpedalposition(Figure181).
A.Whenthetractionpedalisintheneutralposition,theInfoCentershould
displayNeutralasONandbothForwardRangeandReverseRange
asOFF.
B.MovetractionpedalintheforwarddirectionandtheInfoCentershould
displaytheForwardRangeasONandbothNeutralandReverseRange
asOFF.
C.Returnthetractionpedaltoneutralandthenmovepedalinthereverse
direction.TheInfoCentershoulddisplaytheReverseRangeasONand
bothNeutralandForwardRangeasOFF.
D.Ifoutputsareincorrect,additionaladjustmentofthespringshaftandrod
endbearingarenecessary.
7.Aftercompletingalladjustmentsandbeforereturningthemachineto
operation,calibratetractionpedalpositionsensor(seeTractionPedal
PositionSensorCalibration(page6–21)).
ElectricalSystem:Adjustments
Page6–20
Groundsmaster
®
4500-D/4700-D
19245SLRevA