HydraulicSystem
Maintenance
Thereservoirislledatthefactorywithapproximately
4.7liters(5quarts)ofhighqualitytractor
transmission/hydraulicuid.Therecommended
replacementuidisasfollows:
ToroPremiumTransmission/HydraulicTractorFluid
(Availablein5gallonpailsor55gallondrums.Seeparts
catalogorT orodistributorforpartnumbers.)
Alternateuids:IftheTorouidisnotavailable,Mobil®424
hydraulicuidmaybeused.
Note:Torowillnotassumeresponsibilityfordamagecaused
byimpropersubstitutions.
Note:Manyhydraulicuidsarealmostcolorless,makingit
difculttospotleaks.Areddyeadditiveforthehydraulic
systemoilisavailablein20ml(2/3ounce.)bottles.One
bottleissufcientfor15-221iters(4-6gallons)ofhydraulic
oil.Orderpartnumber44-2500fromyourauthorizedToro
distributor.
CheckingtheHydraulicFluid
Level
ServiceInterval:Beforeeachuseordaily
1.Positionthemachineonalevelsurface.Placethe
controlsintheneutrallockedpositionandstartthe
engine.RunengineatlowestpossibleRPMtopurge
thesystemofair.DonotengagethePTO.Raise
thedecktoextendliftcylinders,stoptheengine,and
removethekey.
2.Raisetheseattoaccessthehydraulicuidtank.
3.Removethehydraulicllcap(Figure76)fromller
neck.
Figure76
1.Dipstick2.Fillcap
4.Removethedipstickandwipeitwithacleanrag
(Figure76).
5.Placethedipstickintothellerneck;thenremoveit
andchecklevelofuid(Figure76).
Iflevelisnotwithinnotchedareaofthedipstick,add
enoughhighqualityhydraulicuidtoraiselevelto
withinthenotchedarea.Donotoverll.
6.Replacethedipstickandthreadthellcapnger-tight
ontollerneck.
7.Checkallhosesandttingsforleaks.
ChangingtheHydraulicOil
AndFilter
ServiceInterval:Aftertherst200hours
Every800hours
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedpositionandsettheparkingbrake.
2.MovethethrottlelevertotheSlowposition,stopthe
engine,removethekey,andwaitforallmovingpartsto
stopbeforeleavingtheoperatingposition.
3.Placealargepanunderthehydraulicreservoirand
transmissioncaseandremovetheplugs,drainingallof
thehydraulicuid(Figure77).
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