To Next Page

To Previous Page

SteeringPositionSensor

g290696

Figure81

1.Steeringpositionsensor

3.Casterforkshaft

2.Magneticbolt

4.Sensorharnessconnector

Thesteeringpositionsensorisatwo–pieceassemblylocatedontopoftherear

wheelcasterforkshaft.Thesensorportionincludes2analoghalleffectsensors.

Thesecondpieceoftheassemblyisaboltwithamagneticheadthreadedinto

thecasterforkshaft.Thesteeringpositionsensorfollowstherearcasterfork

movement.

Thesensoroperateson5VDCsuppliedbytheSC7:Steeringmotor.Signal

voltagefromthesteeringpositionsensor(alongwithinformationfromthe

steeringinputdevice)isusedbytheSC7:Steeringmotortodeterminethe

appropriatedirectionandcurrentowtooperatethesteeringmotor.Thesteering

positionsensorsignalsareconstantlymonitoredforsteeringfaultdetection.Ifa

steeringpositionsensorfaultoccurswhilethemachineismoving,themachine

willslowlycometoastop.Thebrakepedalcanbeusedtostopthemachine

soonerifnecessary.Asteeringsensorfaultwilldisablethetractionsystemuntil

theignitionkeyiscycledOFFandON.

TheInfoCenterDisplaycanbeusedtomonitorthedirectionofthesteering

positionsensorduringmachineoperation.

Note:Ifathesteeringpositionsensorisremovedforanyreason,thesteering

systemmustbecalibrated.Calibratethesteeringsystem–centerrst,then

calibratethesteeringsystem–range;refertoCalibratingtheSteeringSystem–

Center(page5–91)andCalibratingtheSteeringSystem–Range(page5–91).

TestingtheSteeringPositionSensor

Thesteeringpositionsensoranditscircuitwiringcanbetestedusingthe

InfoCenterDisplay;refertoUsingtheInfoCenterDisplayforTroubleshooting

(page3–39).Iftestingdeterminesthatthesensorandcircuitwiringarenot

functioningcorrectly,proceedwiththefollowingtestprocedure:

Greensmaster®eTriFlex3360and3370

Page5–89

ElectricalSystem:TestingtheElectricalComponents

19239SLRevB

Toro 04591 Service Manual

Other manuals for Toro 04591