Toro Groundsmaster 4100 - Hydraulic System Maintenance

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
CheckingtheHydraulic
Fluid
ServiceInterval:Beforeeachuseordaily
Thereservoirislledatthefactorywithapproximately
29L(7.75USgallons)ofhigh-qualityhydraulicuid.
Checkthelevelofthehydraulicuidbeforetheengine
isrststartedanddailythereafter.Therecommended
replacementuidisasfollows:
ToroPremiumAllSeasonHydraulicFluid
(Availablein19L(5USgallons)pailsor208L(55US
gallons)drums.SeethePartsCatalogoryourT oro
Distributorforpartnumbers).
Alternativeuids:IftheT orouidisnotavailable,
otherconventional,petroleum-baseduidsmaybe
used,providedtheymeetallofthefollowingmaterial
propertiesandindustryspecications.Checkwith
youroilsuppliertoseewhethertheoilmeetsthese
specications.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
onlyproductsfromreputablemanufacturerswhowill
standbehindtheirrecommendation.
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.Ared
dyeadditiveforthehydraulicuidisavailablein
20ml(2/3oz)bottles.1bottleissufcientfor15
to22L(4to6USgallons)ofhydraulicoil.Order
PartNo.44-2500fromyourToroDistributor.
1.Parkthemachineonalevelsurface,lowerthe
mowerdecks,shutofftheengine,andremove
thekey.
2.Checkthehydraulic-uidlevel(Figure116).
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