Toro 74265TE - Setting the Hydraulic Pump Neutral Position

BleedingtheHydraulicSystem
Thetractionsystemisselfbleeding,however,itmaybe
necessarytobleedthesystemifuidischangedorafterwork
isperformedonthesystem.
1.Raisetherearofthemachinesothatthewheelsareoff
thegroundandsupportwithjackstands.
2.Starttheengineandrunatlowidlespeedandengage
theleverandtractionon1sideandspinthewheelby
hand.
3.Whenthewheelbeginstospinonitsown,keepit
engageduntilthewheeldrivessmoothly(minimum2
minutes).
4.Checkthehydraulic-uidlevelandaddasrequiredto
maintainproperlevel.
5.Repeatthisprocedureontheoppositewheel.
CheckingtheHydraulicHoses
ServiceInterval:Every100hours
Checkthehydraulichosesforleaks,loosettings,kinked
lines,loosemountingsupports,wear,weatherandchemical
deterioration.Makenecessaryrepairsbeforeoperatingthe
machine.
Note:Keepareasaroundthehydraulicsystemcleanfrom
grassanddebrisbuildup.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskinit
mustbesurgicallyremovedwithinafewhours
byadoctorfamiliarwiththistypeofinjury.
Gangrenemayresultifthisisnotdone.
•Keepbodyandhandsawayfrompinholeleaks
ornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Makesurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
SettingtheHydraulicPump
NeutralPosition
Note:Adjustthehandleneutralrst.Thatneedstobe
correctbeforethefollowingadjustmentcanbemade.
Thisadjustmentmustbemadewithdrivewheelsturning.
DANGER
Mechanicalorhydraulicjacksmayfailtosupport
themachineandcauseaseriousinjury.
•Useajackstandwhensupportingthemachine.
•Donotusehydraulicjacks.
WARNING
Theenginemustberunningsothatyoucanadjust
themotioncontrol.Anycontactwithmovingparts
orhotsurfacesmaycausepersonalinjury.
Keepyourhands,feet,face,clothingandotherbody
partsawayfromrotatingparts,muferandother
hotsurfaces.
1.Raisetheframeandblockupthemachinesothatthe
drivewheelscanrotatefreely.
2.Disconnecttheelectricalconnectorfromtheseat
safetyswitch.Temporarilyinstallajumperwireacross
terminalsinthewire-harnessconnector.
3.Unlatchtheseatandslideseatforward.
4.Disconnecttheseatrodandtilttheseatfullyforward.
SettingtheRightHydraulicPump
NeutralPosition
1.Starttheengine,openthethrottle1/2wayand
disengageparkingbrake;refertoStartingandShutting
OfftheEngine(page24).
Note:Themotion-controllevermustbeinneutral
whilemakinganyadjustments.
2.Adjustthepumprodlengthbyrotatingtheknob,inthe
appropriatedirection,untilthewheelisstillorslightly
creepinginreverse(Figure95).
3.Movethemotion-controlleverforwardandreverse,
thenbacktoneutral.
Note:Thewheelmuststopturningorslightlycreep
inreverse.
4.OpenthethrottletoFAST.
Note:Makesurethatthewheelremainsstoppedor
slightlycreepsinreverse;adjustifnecessary.
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