Toro 4045 - Hydraulic System Maintenance; Servicing the Hydraulic Fluid; Checking the Hydraulic Fluid Level

HydraulicSystem
Maintenance
ServicingtheHydraulicFluid
Thehydraulicreservoirislledatthefactorywith
approximately170L(45USgallons)ofhigh-qualityhydraulic
uid.Checkthelevelofthehydraulicuidbefore
theengineisrststartedanddailythereafter.The
recommendedreplacementuidasfollows:
ToroPremiumAllSeasonHydraulicFluid(Availablein
5gallonpailsor55gallondrums.ContactyourAuthorized
ToroDealerforpartnumbers.)
Alternateuids:IftheTorouidisnotavailable,other
uidsmaybeusedprovidedtheymeetallthefollowing
materialpropertiesandindustryspecications.Wedonot
recommendtheuseofsyntheticuid.Consultwithyour
lubricantdealertoidentifyasatisfactoryproduct.
Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhowillstandbehindtheir
recommendation.
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
MaterialProperties:
42.2cStat40°C(104°F) Viscosity,ASTMD445
7.8cStat100°C(212°F)
ViscosityIndexASTM
D2270
158
PourPoint,ASTMD97-6°C(-42°F)
IndustrySpecications:VickersI-286-S(QualityLevel),
VickersM-2950-S(Quality
Level),DenisonHF-0
Note:Manyhydraulicuidsarealmostcolorless,makingit
difculttospotleaks.Areddyeadditiveforthehydraulic
systemoilisavailablein20mL(2/3oz)bottles.Onebottleis
sufcientfor15-22L(4-6gal)ofhydraulicoil.Orderpart
no.505-150fromyourAuthorizedToroDealer.
Note:Ifambientoperatingtemperaturesexceed43°C(110°
F),contactToroforuidrecommendations.
CheckingtheHydraulicFluid
ServiceInterval:Beforeeachuseordaily
Checkthehydraulicuidasfollows:
1.Parkthemachineonalevelsurface,stoptheengine,
andremovetheignitionkey.
2.Opentherear-accessdoor.
3.Lookatthesightgaugeonthehydraulictankandcheck
theleveloftheoil(Figure149).
Figure149
1.Fulloillevel
2.Lowoillevel
4.Ifthelevelislow,openthehydraulic-tankcap(Figure
150),andaddtheappropriateuiduntilitreachesFull
onthesightgauge.
Figure150
1.Hydraulic-tankcap
5.Installcapontothellerneck.
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