Toro 74990 - Adjusting the Motion-Control Linkage

g009195
Figure83
Adjustingthe
Motion-ControlLinkage
Locatedoneithersideofthefueltank,belowtheseat
arethepumpcontrollinkages.Rotatingthepump
linkagewitha1/2inchwrenchallowsnetuning
adjustmentssothatthemachinedoesnotmovein
neutral.Anyadjustmentsshouldbemadeforneutral
positioningonly.
WARNING
Enginemustberunninganddrivewheels
mustbeturningsomotioncontroladjustment
canbeperformed.Contactwithmovingparts
orhotsurfacesmaycausepersonalinjury.
Keepngers,hands,andclothingclearof
rotatingcomponentsandhotsurfaces.
1.Priortostartingtheengine,pushthedecklift
pedalandremovetheheightofcutpin.Lower
decktotheground.
2.Raisetherearofmachineupandsupportwith
jackstands(orequivalentsupport)justhigh
enoughtoallowdrivewheelstoturnfreely.
3.Removetheelectricalconnectionfromtheseat
safetyswitch,locatedunderthebottomcushion
oftheseat.Theswitchisapartoftheseat
assembly.
4.Temporarilyinstallajumperwireacrossthe
terminalsintheconnectorofthemainwiring
harness.
5.Starttheengine.Thebrakemustbeengaged
andmotion-controlleversouttostartengine.
Youdonothavetobeintheseatbecauseof
thejumperwirebeingused.Runtheengine
atfullthrottleandreleasethebrake.
6.Runtheunitatleast5minuteswiththedrive
leversatfullforwardspeedtobringhydraulicoil
uptooperatingtemperature.
Note:Themotion-controlleverneedsto
beinneutralwhilemakinganynecessary
adjustments.
7.Bringthemotion-controlleversintotheneutral
position.Adjustpumpcontrolrodlengths
byrotatingthedoublenutsontherodinthe
appropriatedirectionuntilthewheelsslightly
creepinreverse(Figure84).Movethe
motion-controlleverstothereversepositionand
whileapplyingslightpressuretotheleverallow
thereverseindicatorspringstobringthelevers
backtoneutral.Thewheelsmuststopturningor
slightlycreepinreverse.
g029649
Figure84
1.Doublenuts
8.Shutofftheunit.Removethejumperwirefrom
thewireharnessandplugtheconnectorintothe
seatswitch.
9.Removethejackstands.
10.Raisethedeckandre-installtheheightofcut
pin.
11.Checkthatthemachinedoesnotcreepin
neutralwiththeparkbrakesdisengaged.
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