Operator's Manual
3.Ifthecoolantlevelislow,removethe
expansion-tankcapandreplenishthesystem.
Donotoverllthetank.
4.Installtheexpansion-tankcap.
g008885
Figure31
1.Expansiontank
CheckingtheHydraulic
System
ServiceInterval:Beforeeachuseordaily—Check
thelevelofthehydraulicuid.
Thereservoirislledatthefactorywithapproximately
13.2L(3.5USgallons)ofhigh-qualityhydraulicuid.
Checkthelevelofthehydraulicuidbeforetheengine
isrststartedanddailythereafter.
TherecommendedreplacementuidisToro
PremiumAllSeasonHydraulicFluid(available
in19L(5USgallons)containersor208L(55US
gallons)drums—seethepartsdocumentationoryour
Torodistributorforpartnumbers).
Alternativeuids:IftheT orouidisnotavailable,
otherconventional,petroleum-baseduidsmaybe
used,providedthattheymeetallofthefollowing
materialpropertiesandindustryspecications.Check
withyouroilsuppliertoseewhethertheuidmeets
thesespecications.
Note:Torowillnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonly
productsfromreputablemanufacturerswhowillstand
behindtheirrecommendation.
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.Ared
dyeadditiveforthehydraulicsystemuidis
availablein20ml(2/3oz)bottles.Onebottle
issufcientfor15to22L(4to6USgallons)of
hydraulicuid.OrderPartNo.44-2500fromyour
AuthorizedToroDistributor.
Synthetic,BiodegradableHydraulicFluidis
availablein19L(5USgallons)containersor208L
(55USgallons)drums—seethepartsdocumentation
oryourT orodistributorforpartnumbers.
Thishigh-quality,synthetic,biodegradableuidhas
beentestedandfoundcompatibleforthisT oro
model.Otherbrandsofsyntheticuidmayhave
sealcompatibilityproblemsandTorocannotassume
responsibilityforunauthorizedsubstitutions.
Note:Thissyntheticuidisnotcompatiblewiththe
ToroBiodegradableFluidpreviouslysold.Seeyour
ToroDistributorformoreinformation.
Alternativeuids:
•MobilEALEnvirosynH46(US)
•MobilEALHydraulicOil46(international)
1.Parkthemachineonalevelsurface,lowerthe
cuttingunits,engagetheparkingbrake,shutoff
theengine,andremovethekeyfromtheignition
switch.
2.Cleantheareaaroundthellerneckandcapof
thehydraulictank(Figure32).
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