Operator's Manual

HydraulicSystem
Maintenance
Thereservoirislledatthefactorywithapproximately
13.2L(3.5USgallons)ofhigh-qualityhydraulicuid.
Checkthelevelofthehydraulicuidbeforethe
engineisrststartedanddailythereafter.The
recommendedreplacementuidisToroPremium
All-SeasonHydraulicFluid(Availablein19L(5
USgallons)pailsor55-gallondrums.Seetheparts
catalogorT orodistributorforpartnumbers.)
Alternateuids:IftheT orouidisnotavailable,
youmayuseotheruidsprovidedtheymeetall
thefollowingmaterialpropertiesandindustry
specications.Donotusesyntheticuid.Consult
withyourlubricantdistributortoidentifyasatisfactory
product.
Note:T orowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonly
productsfromreputablemanufacturerswhowillstand
behindtheirrecommendation.
HighViscosityIndex/LowPourPointAnti-wearHydraulic
Fluid,ISOVG46
MaterialProperties:
Viscosity,ASTMD445cSt@40°C44to48
cSt@100°C7.9to8.5
ViscosityIndexASTM
D2270
140to160
PourPoint,ASTMD97-34°Fto-49°F
IndustrySpecications:
VickersI-286-S(QualityLevel),VickersM-2950-S
(QualityLevel),DenisonHF-0
Important:TheISOVG46Multigradeuidhas
beenfoundtoofferoptimalperformanceinawide
rangeoftemperatureconditions.Foroperation
inconsistentlyhighambienttemperatures,65°F
(18°C)to120°F(49°C),ISOVG68hydraulicuid
mayofferimprovedperformance.
PremiumBiodegradableHydraulicFluid-Mobil
EALEnviroSyn46H
Important:MobilEALEnviroSyn46Histheonly
syntheticbiodegradableuidapprovedbyToro.
Thisuidiscompatiblewiththeelastomersused
inTorohydraulicsystemsandissuitablefora
wide-rangeoftemperatureconditions.Thisuidis
compatiblewithconventionalmineraloils,butfor
maximumbiodegradabilityandperformancethe
hydraulicsystemshouldbethoroughlyushedof
conventionaluid.Theoilisavailablein19L(5
USgallons)containersor55-gallondrumsfrom
yourMobilDistributor.
Important:Manyhydraulicuidsarealmost
colorless,makingitdifculttospotleaks.A
reddyeadditiveforthehydraulicsystemoilis
availablein20mL(2/3oz)bottles.Onebottle
issufcientfor15to22L(4to6USgallons)of
hydraulicoil.OrderPartNo.44-2500fromyour
authorizedTorodistributor.
HydraulicSystemSafety
•Ensurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Seekimmediatemedicalattentionifuid
isinjectedintoskin.Injecteduidmustbe
surgicallyremovedwithinafewhoursbya
doctor.
CheckingtheHydraulic
System
ServiceInterval:Beforeeachuseordaily—Check
thehydraulic-uidlevel.
1.Performthepre-maintenanceprocedure;refer
toPreparingtheMachineforMaintenance(page
38).
2.Cleantheareaaroundthellerneckand
hydraulic-tankcap(Figure64).
g031641
Figure64
1.Hydraulic-tankcap
3.Removethehydraulic-tankcap(Figure64).
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