Toro 30605 - Hydraulic System Maintenance; Hydraulic System Safety; Checking the Hydraulic Fluid

HydraulicSystem
Maintenance
HydraulicSystemSafety
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ensurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Seekimmediatemedicalattentionifuidis
injectedintoskin.
CheckingtheHydraulicFluid
ServiceInterval:Beforeeachuseordaily
Thereservoirislledatthefactorywithapproximately29L
(7.75USgallons)ofhigh-qualityhydraulicuid.Checkthe
levelofthehydraulicuidbeforetheengineisrststarted
anddailythereafter.Therecommendedreplacementuid
isasfollows:
ToroPremiumAllSeasonHydraulicFluid(Availablein
19L(5gallon)pailsor208L(55gallon)drums.SeetheParts
CatalogoryourToroDistributorforpartnumbers).
Alternativeuids:IftheTorouidisnotavailable,other
conventional,petroleum-baseduidsmaybeused,
providedtheymeetallofthefollowingmaterialproperties
andindustryspecications.Checkwithyouroilsupplierto
seewhethertheoilmeetsthesespecications.
Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhowillstandbehindtheir
recommendation.
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
MaterialProperties:
St@40°C44to48 Viscosity,ASTMD445
St@100°C7.9to8.5
ViscosityIndexASTMD2270
140to160
PourPoint,ASTMD97-34°Fto-49°F
IndustrySpecications:VickersI-286-S(Quality
Level),VickersM-2950-S
(QualityLevel),Denison
HF-0
Theproperhydraulicuidsmustbespeciedformobile
machinery(asopposedtoindustrialplantusage),multi-weight
type,withZnDTPorZDDPanti-wearadditivepackage(not
anashless-typeuid).
ToroSyntheticBiodegradableHydraulicFluid(Available
in19L(5USgallon)pailsor208L(55USgallon)drums.See
thePartsCatalogoryourToroDistributorforpartnumbers)
Thishighqualitysynthetic,biodegradableuidhasbeen
testedandfoundcompatibleforthisToromodel.Other
brandsofsyntheticuidmayhavesealcompatibilityproblems
andTorocannotassumeresponsibilityforunauthorized
substitutions.
Important:Thissyntheticuidisnotcompatiblewith
theToroBiodegradableFluidpreviouslysold.Seeyour
ToroDistributorformoreinformation.
Alternativebiodegradableuids:
MobilEALEnvirosynH46(US)
MobilEALHydraulicOil46(International)
Important:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditivefor
thehydraulicsystemoilisavailablein20ml(0.67oz)
bottles.1bottleissufcientfor15to22L(4to6US
gallons)ofhydraulicuid.OrderPartNo.44-2500from
yourToroDistributor.
1.Positionthemachineonalevelsurface,lowerthe
mowerdecks,shutofftheengine,andremovethekey.
2.Checkthehydraulic-uidlevel(Figure72).
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