Service Manual

Table Of Contents
TestingtheSteeringPositionSensor(continued)
1.Parkthemachineonalevelsurface,lowerthecuttingunits,setthekey
switchtotheOFFpositionandremovethekey.
2.Raiseandsupporttherearofthemachine;refertoJackingInstructions
(page1–6).
3.Ensuretherearwheelassemblyisabletomovefromfullrightstoptofullleft
stop(approximately50°ineitherdirection).
4.Checktherearcasterforkalignmentandsteeringpositionsensorairgap
andadjustifnecessary;refertoAdjustingtheSteeringPositionSensor
(page5–21).
5.RearAngleSig1andRearAngleSig2reporttheamountofsignalvoltage
beingreceivedfromthepositionsensoratthesteeringmotor.Usethe
InfoCentertoviewthesensorsignalvoltage:
Note:WhilethevoltagereadingsontheInfoCenterindicatethesensorwiring
isintact,howthevoltagereadingschangeinregardtoeachotherandthe
casterforkpositionisveryimportant.Whilethevoltagereadingforonesignal
increaseswithcasterforkmovement,thevoltagereadingfortheothersignal
shoulddecrease.Also,thetotaloftheRearAngleSig1andRearAngleSig
2voltagereadingsshouldadduptoabout5.5V.
A.SitintheoperatorseatandsetthekeyswitchtotheONposition.
B.SetthefunctioncontrolswitchtotheNEUTRALposition.
C.FromtheInfoCenterMainMenu,selectDiagnostics>Steering>Inputs.
g290697
Figure83
(shownwithcasterforkturnedtotheleft)
D.Turnthecasterforkbyhanduntilitissquarewiththemachine(straight).
RearAngleSig1andRearAngleSig2shouldbe2.03.0V.
E.Turntherearcasterforkbyhandfullytotheleft(counterclockwise).
RearAngleSig1shouldbe3.54.0VandRearAngleSig2should
be1.01.5V.
F.Turntherearcasterforkbyhandfullytotheright(clockwise).RearAngle
Sig1shouldbe1.01.5VandRearAngleSig2shouldbe3.54.0V.
G.SetthekeyswitchtotheOFFposition.
6.Ifanyofthesensorreadingsareoutofrange,testthesteeringposition
sensor:
Greensmaster®eTriFlex3360and3370
Page5–91
ElectricalSystem:TestingtheElectricalComponents
19239SLRevE