Toro 74922 - Adjusting the Motion-Control Linkage

Figure81
5.Iftheendsofthelevershitagainsteachother,refer
toAdjustingtheMotionControlNeutral-LockPivot
(page55).
6.Repeattoadjustthecontrollevers.
AdjustingtheMotion-Control
Linkage
Locatedoneithersideofthefueltank,belowtheseatarethe
pump-controllinkages.Rotatingthepumplinkagewitha
1/2–inchwrenchallowsnetuningadjustmentssothatthe
machinedoesnotmoveinneutral.Anyadjustmentsshould
bemadeforneutralpositioningonly.
WARNING
Enginemustberunninganddrivewheelsmust
beturningsomotioncontroladjustmentcanbe
performed.Contactwithmovingpartsorhot
surfacesmaycausepersonalinjury.
Keepngers,hands,andclothingclearofrotating
componentsandhotsurfaces.
1.Priortostartingtheengine,pushthedeck-liftpedal,
andremovetheheight-of-cutpin.
2.Lowerdecktotheground.
3.Raisetherearofmachineupandsupportitwithjack
stands(orequivalentsupport).
Note:Raisethemachinejusthighenoughtoallow
drivewheelstoturnfreely.
4.Removetheelectricalconnectionfromtheseatsafety
switch,locatedunderthebottomcushionoftheseat.
Note:Theswitchisapartoftheseatassembly.
5.Temporarilyinstallajumperwireacrosstheterminals
intheconnectorofthemainwiringharness.
6.Starttheengineandrunitatfullthrottleandrelease
thebrake.
Note:Thebrakemustbeengagedandthe
motion-controlleversmustbeouttostartthe
engine.Theoperatordoesnothavetobeinthe
seat,becauseofthejumperwirebeingused.
7.Runtheunitforatleast5minuteswiththedrivelevers
atfullforwardspeedtobringthehydraulicoilupto
theoperatingtemperature.
Note:Themotion-controlleversneedstobein
neutralwhilemakinganynecessaryadjustments.
8.Bringthemotion-controlleversintotheneutral
position.
9.Adjustthepumpcontrolrodlengthsbyrotatingthe
doublenutsontherodintheappropriatedirection
untilthewheelsslightlycreepinreverse(Figure82).
g027342
Figure82
1.Doublenuts
10.Movethemotion-controlleverstothereverseposition
andwhileapplyingslightpressuretothelever,allow
thereverse-indicatorspringstobringtheleversback
toneutral.
Note:Thewheelsmuststopturningorslightlycreep
inreverse.
11.Shutofftheunit,removethejumperwirefromthewire
harness,andplugtheconnectorintotheseatswitch.
12.Removethejackstands.
13.Raisethedeckandinstalltheheight-of-cutpin.
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