CheckingtheCoolingSystem
ServiceInterval:Beforeeachuseordaily
CAUTION
Iftheenginehasbeenrunning,thepressurized,hot
coolantcanescapeandcauseburns.
•Donotopentheradiatorcapwhentheengine
isrunning.
•Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
Thecoolingsystemislledwitha50/50solutionofwater
andpermanentethyleneglycolantifreeze.
1.Cleananydebrisoffthescreen,oilcooler,andthefront
oftheradiatordailyandmoreoftenifconditionsare
extremelydustyanddirty.RefertoRemovingDebris
fromtheCoolingSystem(page38).
2.Checkthelevelofthecoolantintheexpansiontank
(Figure22).
Note:Checkandensurethatthecoolantlevelis
betweenthemarksonthesideofthetank.
g025068
Figure22
1.Expansiontank
3.Ifthecoolantlevelislow,removetheexpansiontank
capandreplenishthesystem.Donotoverll.
4.Installtheexpansiontankcap.
CheckingtheHydraulicFluid
Themachinesreservoirislledatthefactorywith
approximately32L(7.0UKgallons)ofhigh-qualityhydraulic
uid.Checkthelevelofthehydraulicuidbeforeyou
starttheengineforthersttimeanddailythereafter.The
recommendedreplacementuidisasfollows:
ToroPremiumAllSeasonHydraulicFluid(Availablein
19L(5gallon)pailsor208L(55gallon)drums.Seeparts
catalogorT oroDistributorforpartnumbers.)
Alternateuids:IftheTorouidisnotavailable,otheruids
maybeusedprovidedtheymeetallthefollowingmaterial
propertiesandindustryspecications.Wedonotrecommend
theuseofsyntheticuid.Consultwithyourlubricant
distributortoidentifyasatisfactoryproduct.
Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhowillstandbehindtheir
recommendation.
HighViscosityIndex/LowPourPointAnti-wearHydraulic
Fluid,ISOVG46
MaterialProperties:
Viscosity,ASTMD445cSt@40°C44to48
cSt@100°C7.9to8.5
ViscosityIndexASTM
D2270
140to160
PourPoint,ASTMD97-34°Fto-49°F
IndustrySpecications:
VickersI-286-S(QualityLevel),VickersM-2950-S
(QualityLevel),DenisonHF-0
Note:Manyhydraulicuidsarealmostcolorless,makingit
difculttospotleaks.Areddyeadditiveforthehydraulic
systemoilisavailablein20ml(2/3oz)bottles.Onebottle
issufcientfor15to22L(4to6gallons)ofhydraulic
uid.OrderPartNo.44-2500fromyourauthorizedToro
distributor.
BiodegradableHydraulicFluid-ToroPremiumSynthetic
BioHydFluid
ToroBiodegradableHydraulicFluid(Availablein5
gallonpailsor55gallondrums.SeepartscatalogorT oro
distributorforpartnumbers).
Note:ToroPremiumSyntheticBioHydFluidistheonly
syntheticbiodegradableuidapprovedbyToro.Thisuidis
compatiblewiththeelastomersusedinTorohydraulicsystems
andissuitableforawiderangeoftemperatureconditions.
Thisuidiscompatiblewithconventionalmineraloils,but
formaximumbiodegradabilityandperformancethehydraulic
systemshouldbethoroughlyushedofconventionaluid.
ContactyourlocalToroDistributorfordetails.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,andshutofftheengine.
2.Checkthesightlevelgaugeonthesideofthetank.The
levelneedstobeattheuppermark.
3.Ifhydraulicuidisneeded,cleanareaaroundthecap
ofhydraulictank(Figure23).
4.Removethecapfromthetank.
19