Toro 30934 - Adjusting the Hydro Control Linkages

2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Raisetherearofthemachineontojackstandstoraise
thedrivewheelsofftheground.
4.Disengagetheparkingbrake.
5.Starttheengineandmovethethrottleaheadtothefull
throttleposition.
6.Placetheneutrallocksinthefullforwardpositionand
movethespeed-controllevertothemediumspeed
position.
7.HoldOPCleversdown.
Note:TheOPCleversmustbehelddownwhenever
thespeed-controlleverisoutoftheneutralpositionor
theenginewillstop.
WARNING
Electricalsystemwillnotperformproper
safetyshutoffwithOperatorPresenceControl
(OPC)levershelddowninplace.
•MakesureOperatorPresenceControl
(OPC)leversareworkingwhenadjustment
iscompleted.
•NeveroperatethisunitwithOperator
PresenceControl(OPC)levershelddown
inplace.
8.Squeezeonedriveleveruntilanincreasedresistanceis
felt.Thisiswhereneutralshouldbe.
Note:Makesureyouhavenotreachedtheendofthe
neutrallockslot.Ifyouhave,shortenthecontrollever
linkage.RefertoAdjustingtheControlRod.
9.Ifthewheelturnswhileholdingthedriveleverin
neutral,theneutralcontrollinkagesneedtobeadjusted
(
Figure37).Ifwheelstopsthengotostep12.
10.Loosenthenutagainsttheneutralcontrollinkageyoke
(Figure37).
11.Adjusttheneutralcontrollinkageuntiltherespective
drivewheelstopswhilethedriveleverispulledagainst
theneutralspring(neutralposition)(Figure37).
12.Turntheadjustingboltapproximately1/4turn
clockwiseifthewheelisturninginreverseorturnthe
boltapproximately1/4turncounter-clockwiseifthe
wheelisturningforward(Figure37).
13.Releasethedrivelevertotheforwarddriveposition
andsqueezebackintotheneutralposition.Check
toseeifthewheelstops.Ifnot,repeattheabove
adjustmentprocedure.
14.Afteradjustmentsaremade,tightenthenutsagainst
theyokes.
15.Repeatthisprocedurefortheoppositeside.
Figure37
1.Neutralcontrollinkage3.Adjustingbolt
2.Yoke4.Nut
AdjustingtheHydroControl
Linkages
WARNING
Theenginemustberunningsothatthecontrol
linkageadjustmentscanbeperformed.Contact
withmovingpartsorhotsurfacesmaycause
personalinjury.
Keephands,feet,face,clothingandotherbody
partsawayfromrotatingparts,mufer,andother
hotsurfaces.
WARNING
Mechanicalorhydraulicjacksmayfailtosupport
machineandcauseaseriousinjury.
•Usejackstandswhensupportingmachine.
•Donotusehydraulicjacks.
AdjustingtheLeftSideLinkage
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Raisetherearofthemachineontojackstandshigh
enoughtoraisethedrivewheelsofftheground.
4.Disengagetheparkingbrake.
5.Starttheengineandmovethethrottleaheadtothefull
throttleposition.
6.Placetheleftdriveleverinthefullforwardposition.
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