Toro 30381 - Hydraulic System Maintenance; Checking the Hydraulic System

HydraulicSystem
Maintenance
Thehydraulicsystemislledatthefactorywithapproximately
4.7L(5USqt)ofhigh-qualitytransmission/tractorhydraulic
uid.Thebesttimetocheckthehydraulicuidiswhenitis
cold.Themachineshouldbeinthetransportconguration.
IftheuidlevelisbelowtheAddmarkonthedipstick,add
uidtobringtheleveltothemiddleoftheacceptablerange.
Donotoverllthesystem.Iftheuidlevelisbetweenthe
FullmarkandtheAddmark,noadditionaluidisrequired.
Therecommendedreplacementuidis:
ToroPremiumTransmission/HydraulicTractorFluid
(Availablein5USgallonpailsor55USgallondrums.
SeethepartsdocumentationorT orodistributorforpart
numbers.)
Alternativeuids:IftheTorouidisnotavailable,youcan
useMobil®424hydraulicuid.
Note:Torowillnotassumeresponsibilityfordamagecaused
byimpropersubstitutions.
Note:Manyhydraulicuidsarealmostcolorless,makingit
difculttospotleaks.Areddyeadditiveforthehydraulic
systemoilisavailablein20ml(2/3oz)bottles.Onebottle
issufcientfor15to22L(4to6USgallons)ofhydraulic
oil.Orderpartnumber44-2500fromyourAuthorizedToro
Distributor.
CheckingtheHydraulic
System
ServiceInterval:Beforeeachuseordaily
Checkthelevelofthehydraulicuidbeforetheengineisrst
startedanddailythereafter.
1.Positionthemachineonalevelsurface.
2.Placethecontrolsintheneutrallockedpositionand
starttheengine.
Note:RunengineatlowestpossibleRPMtopurge
thesystemofair.DonotengagethePTO.
3.Raisethedecktoextendliftcylinders,stoptheengine,
andremovethekey.
4.Raisetheseattoaccessthehydraulicuidtank.
5.Removethehydraulicllcap(
Figure89)fromtheller
neck.
Figure89
1.Dipstick2.Fillcap
6.Removethedipstickandwipeitwithacleanrag
(Figure89).
7.Placethedipstickintothellerneck;thenremoveit
andchecklevelofuid(Figure89).
Note:Iflevelisnotwithinnotchedareaofthe
dipstick,addenoughhighqualityhydraulicuidto
raiseleveltowithinthenotchedarea.Donotoverll.
8.Replacethedipstickandthreadthellcapnger-tight
ontollerneck.
9.Checkallhosesandttingsforleaks.
61