Checkingthe
Hydraulic-FluidLevel
ServiceInterval:Beforeeachuseordaily
Thereservoirislledatthefactorywith56.7L(15US
gallons)ofhigh-qualityhydraulicuid.Thebesttime
tocheckthehydraulicoiliswhentheuidiscold.The
machineshouldbeinitstransportconguration.The
recommendedreplacementuidis:
ToroPremiumAllSeasonHydraulicFluid(Availablein
19L(5USgallon)pailsor208L(55USgallon)drums.See
thePartsCatalogoryourToroDistributorforpartnumbers.)
Alternativeuids:IftheT orouidisnotavailable,
otherconventional,petroleum-baseduidsmaybe
used,providedthattheymeetallofthefollowing
materialpropertiesandindustryspecications.Check
withyouroilsuppliertoseewhethertheoilmeets
thesespecications.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
onlyproductsfromreputablemanufacturerswho
standbehindtheirrecommendation.
HighViscosityIndex/LowPourPointAntiwearHydraulic
Fluid,ISOVG46Multigrade
MaterialProperties:
Viscosity,ASTMD445cSt@40°C(104°F)
44to48
cSt@100°C(212°F)
7.9to9.1
Viscosityindex,ASTM
D2270
140orhigher(high
viscosityindexindicatesa
multiweightuid)
Pourpoint,ASTMD97-36.7°Cto-45°C(-34°Fto
-49°F)
FZG,failstage
11orbetter
Watercontent(newuid)500ppm(maximum)
IndustrySpecications:
VickersI-286-S,VickersM-2950-S,DenisonHF-0,
Vickers35VQ25(EatonATS373-C)
Theproperhydraulicuidsmustbespeciedfor
mobilemachinery(asopposedtoindustrialplant
usage),multiweight-type,withZnDTPorZDDP
anti-wearadditivepackage(notanashless-typeuid).
Important:Manyhydraulicuidsarealmost
colorless,makingitdifculttospotleaks.A
reddyeadditiveforthehydraulicsystemoilis
availablein20ml(2/3oz)bottles.1bottleis
sufcientfor15to22L(4to6USgallons)of
hydraulicoil.OrderPartNumber44-2500from
yourToroDistributor.
Synthetic,BiodegradableHydraulicFluid(Availablein
19L(5USgallon)pailsor208L(55USgallon)drums.See
thePartsCatalogoryourToroDistributorforpartnumbers.)
Thishigh-quality,synthetic,biodegradableuidhas
beentestedandfoundcompatibleforthisT oro
model.Otherbrandsofsyntheticuidmayhave
sealcompatibilityproblemsandTorocannotassume
responsibilityforunauthorizedsubstitutions.
Note:Thissyntheticuidisnotcompatiblewiththe
ToroBiodegradableFluidpreviouslysold.Seeyour
ToroDistributorformoreinformation.
1.Positionthemachineonalevelsurface,lower
thecuttingunits,andstoptheengine.
2.Cleantheareaaroundthellerneckandthe
capofthehydraulictank(Figure64).
g021215
Figure64
1.Hydraulic-tankcap
3.Removethecap/dipstickfromthellerneckand
wipeitwithacleanrag.
4.Insertthedipstickintothellerneck;then
removeitandcheckthelevelofuid.
Note:Theuidlevelshouldbewithinoperating
rangeonthedipstick.
Important:Donotoverllthetank.
5.Ifthelevelislow,addtheappropriateamountof
uidtoraisetheleveltothefullmark.
6.Installthecap/dipstickontothellerneck.
ChangingtheHydraulic
Fluid
ServiceInterval:Every800hours
Every2years—Drainandushthehydraulic
tank.
Iftheuidbecomescontaminated,contactyourT oro
Distributorbecausethesystemmustbeushed.
Contaminateduidlooksmilkyorblackwhen
comparedtocleanoil.
1.Stoptheengineandraisethehood.
48