Toro 03676 - Hydraulic System Maintenance; Hydraulic System Safety; Hydraulic Fluid Specifications; Checking the Hydraulic-Fluid Level

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
HydraulicFluid
Specications
Thereservoirislledatthefactorywithhigh-quality
hydraulicuid.Checkthelevelofthehydraulicuid
beforeyourststarttheengineanddailythereafter;
refertoCheckingtheHydraulic-FluidLevel(page62).
Recommendedhydraulicuid:T oroPXExtended
LifeHydraulicFluid;availablein19L(5USgallon)
pailsor208L(55USgallon)drums.
Note:Amachineusingtherecommended
replacementuidrequireslessfrequentuidandlter
changes.
Alternativehydraulicuids:IfToroPXExtended
LifeHydraulicFluidisnotavailable,youmayuse
anotherconventional,petroleum-basedhydraulicuid
havingspecicationsthatfallwithinthelistedrange
forallthefollowingmaterialpropertiesandthatit
meetsindustrystandards.Donotusesyntheticuid.
Consultwithyourlubricantdistributortoidentifya
satisfactoryproduct.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
productsonlyfromreputablemanufacturerswhowill
standbehindtheirrecommendation.
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
MaterialProperties:
Viscosity,ASTMD445cSt@40°C(104°F)
44to48
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46(cont'd.)
ViscosityIndexASTMD2270
140orhigher
PourPoint,ASTMD97-37°Cto-45°C(-34°F
to-49°F)
IndustrySpecications:EatonVickers694(I-286-S,
M-2950-S/35VQ25or
M-2952-S)
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditivefor
thehydraulicuidisavailablein20ml(0.67oz)
bottles.Abottleissufcientfor15to22L(4to6US
gallons)ofhydraulicuid.OrderPartNo.44-2500
fromyourauthorizedTorodistributor.
Important:ToroPremiumSynthetic
BiodegradableHydraulicFluidistheonly
syntheticbiodegradableuidapprovedbyToro.
Thisuidiscompatiblewiththeelastomersused
inTorohydraulicsystemsandissuitablefora
wide-rangeoftemperatureconditions.Thisuidis
compatiblewithconventionalmineraloils,butfor
maximumbiodegradabilityandperformance,the
hydraulicsystemshouldbethoroughlyushedof
conventionaluid.Theoilisavailablein19L(5
USgallons)pailsor208L(55USgallons)from
yourauthorizedTorodistributor.
Checkingthe
Hydraulic-FluidLevel
ServiceInterval:Beforeeachuseordaily
Thereservoirislledatthefactorywithhigh-quality
hydraulicuid.Thebesttimetocheckthehydraulic
oiliswhentheuidiscold.Themachineshouldbein
itstransportconguration.
1.Preparethemachineformaintenance;referto
PreparingforMaintenance(page41).
2.Cleantheareaaroundthellerneckandthe
capofthehydraulictank(Figure112).
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