Toro 74295 - Setting the Hydraulic Pump Neutral Position

BleedingtheHydraulicSystem
Thetractionsystemisselfbleeding,however,itmaybe
necessarytobleedthesystemifuidischangedorafter
workisperformedonthesystem.
1.Raiserearofthemachinesowheelsareoffthe
groundandsupportwithjackstands.
2.Starttheengineandrunatlowidlespeed.Engage
theleverandtractionononesideandspinthewheel
byhand.
3.Whenthewheelbeginstospinonitsown,keepit
engageduntilwheeldrivessmoothly.(minimum
2minutes)
4.Checkhydraulicuidlevelandaddasrequiredto
maintainproperlevel.
5.Repeatthisprocedureontheoppositewheel.
CheckingtheHydraulicHoses
ServiceInterval:Every100hours
Checkthehydraulichosesforleaks,loosettings,kinked
lines,loosemountingsupports,wear,weatherand
chemicaldeterioration.Makenecessaryrepairsbefore
operating.
Note:Keepareasaroundthehydraulicsystemclean
fromgrassanddebrisbuildup.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskinit
mustbesurgicallyremovedwithinafewhours
byadoctorfamiliarwiththistypeofinjury.
Gangrenemayresultifthisisnotdone.
•Keepbodyandhandsawayfrompinholeleaks
ornozzlesthatejecthighpressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
hydraulicsystem.
SettingtheHydraulicPump
NeutralPosition
Note:Adjustthehandleneutralrst.Thatneedstobe
correctbeforethefollowingadjustmentcanbemade.
DANGER
Mechanicalorhydraulicjacksmayfailtosupport
machineandcauseaseriousinjury.
•Usejackstandwhensupportingmachine.
•Donotusehydraulicjacks.
WARNING
Enginemustberunningsomotioncontrol
adjustmentcanbeperformed.Contactwithmoving
partsorhotsurfacesmaycausepersonalinjury.
Keephands,feet,face,clothingandotherbody
partsawayfromrotatingparts,muferandother
hotsurfaces.
Thisadjustmentmustbemadewithdrivewheelsturning.
1.Raisetheframeandusejackstandstoholdupthe
machinesodrivewheelscanrotatefreely.
2.Unlatchtheseat,tilttheseatforwardanddisconnect
electricalconnectorfromtheseatsafetyswitch.
3.Temporarilyinstallajumperwireacrossterminals
inthewiringharnessconnector.
4.Slidetheseatforward,disconnecttheproprodand
tilttheseatfullyforward.
SettingtheRight-handHydraulicPump
NeutralPosition
1.Starttheengine,openthethrottle1/2wayand
releasetheparkingbrake.RefertoStartingand
StoppingtheEnginein
Operation(page14).
Note:Themotioncontrollevermustbeinneutral
whilemakinganyadjustments.
2.Loosenthelocknutagainsttheballjoint.
3.Adjustthepumprodlengthbyrotatingthedouble
nutsonrod,intheappropriatedirection,until
thewheelisstillorslightlycreepinginreverse
(
Figure68).
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