Toro Groundsmaster 4010 - Changing the Hydraulic Fluid

HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
MaterialProperties:
St@40°C44to50 Viscosity,ASTMD445
St@100°C7.9to8.5
ViscosityIndexASTMD2270
140to160
PourPoint,ASTMD97-34°Fto-49°F
IndustrySpecications:VickersI-286-S(Quality
Level),VickersM-2950-S
(QualityLevel),Denison
HF-0
Theproperhydraulicuidsmustbespeciedfor
mobilemachinery(asopposedtoindustrialplant
usage),multi-weighttype,withZnDTPorZDDP
anti-wearadditivepackage(notanashless-typeuid).
ToroSyntheticBiodegradableHydraulicFluid
(Availablein19L(5USgallon)pailsor208L(55US
gallon)drums.SeethePartsCatalogoryourToro
Distributorforpartnumbers)
Thishighqualitysynthetic,biodegradableuidhas
beentestedandfoundcompatibleforthisT oro
model.Otherbrandsofsyntheticuidmayhave
sealcompatibilityproblemsandT orocannotassume
responsibilityforunauthorizedsubstitutions.
Important:Thissyntheticuidisnotcompatible
withtheToroBiodegradableFluidpreviouslysold.
SeeyourToroDistributorformoreinformation.
Alternativebiodegradableuids:
MobilEALEnvirosynH46(US)
MobilEALHydraulicOil46(International)
Important:Manyhydraulicuidsarealmost
colorless,makingitdifculttospotleaks.A
reddyeadditiveforthehydraulicsystemoilis
availablein20ml(2/3oz)bottles.1bottleis
sufcientfor15to22L(4to6USgallons)of
hydraulicoil.OrderPartNo.44-2500fromyour
ToroDistributor.
1.Positionthemachineonalevelsurface,lower
themowerdecks,shutofftheengine,and
removethekeyfromtheignition.
2.Checkthehydraulic-uidlevel(Figure103).
g031863
Figure103
ChangingtheHydraulicFluid
ServiceInterval:Every800hours
Iftheuidbecomescontaminated,contactyour
localTorodistributorbecausethesystemmustbe
ushed.Contaminateduidlooksmilkyorblackwhen
comparedtocleanoil.
1.Positionthemachineonalevelsurface,lower
themowerdecks,shutofftheengine,and
removethekeyfromtheignition.
2.Removethedrainplugfromthebottom,frontof
thereservoirandletthehydraulicuidowinto
alargedrainpan.
3.Installandtightentheplugwhenthehydraulic
uidstopsdraining.
4.Fillthereservoir(Figure104)withhydraulicuid;
refertoCheckingtheHydraulicFluid(page71).
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