Toro 31598 - Hydraulic System Maintenance; Checking the Hydraulic Fluid

Figure85
Leftsidedeck
HydraulicSystem
Maintenance
CheckingtheHydraulicFluid
ServiceInterval:Beforeeachuseordaily—Checkthe
hydraulicuidlevel.
Themachinesreservoirislledatthefactorywith
approximately19U.S.gallons(71.9l)ofhighquality
hydraulicuid.Checkthelevelofthehydraulicuid
beforetheengineisrststartedanddailythereafter.
Therecommendedreplacementuidis:
ToroPremiumAllSeasonHydraulicFluid(Available
in5gallonpailsor55gallondrums.Seepartscatalogor
Torodistributorforpartnumbers.)
Alternateuids:IftheTorouidisnotavailable,other
uidsmaybeusedprovidedtheymeetallthefollowing
materialpropertiesandindustryspecications.Wedo
notrecommendtheuseofsyntheticuid.Consult
withyourlubricantdistributortoidentifyasatisfactory
product.
Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhowillstandbehind
theirrecommendation.
HighViscosityIndex/LowPourPointAnti-wear
HydraulicFluid,ISOVG46
MaterialProperties:
St@40°C44to48 Viscosity,ASTMD445
St@100°C7.9to8.5
ViscosityIndexASTM
D2270
140to160
PourPoint,ASTMD97-34°Fto-49°F
FZG,Failstage
11orbetter
Watercontent(newuid)500ppm(maximum)
IndustrySpecications:VickersI-286-S(QualityLevel),
VickersM-2950-S(Quality
Level),DenisonHF-0
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