Operator's Manual

HydraulicSystem
Maintenance
HydraulicSystemSafety
Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
Usecardboardorpapertondhydraulicleaks.
Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
HydraulicFluid
Specications
Thereservoirislledatthefactorywithapproximately
22.7L(6USgallons)ofhigh-qualityhydraulicuid.
Checkthelevelofthehydraulicuidbeforetheengine
isrststartedanddailythereafter;refertoChecking
theHydraulic-FluidLevel(page62).
Recommendedreplacementuid:T oroPX
ExtendedLifeHydraulicFluid;availablein19L(5US
gallon)pailsor208L(55USgallon)drums.
Note:Amachineusingtherecommended
replacementuidrequireslessfrequentuidandlter
changes.
Alternativehydraulicuids:IfT oroPXExtendedLife
HydraulicFluidisnotavailable,youmayuseanother
conventional,petroleum-basedhydraulicuidhaving
specicationsthatfallwithinthelistedrangeforallthe
followingmaterialpropertiesandthatitmeetsindustry
standards.Donotusesyntheticuid.Consultwith
yourlubricantdistributortoidentifyasatisfactory
product.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
productsonlyfromreputablemanufacturerswhowill
standbehindtheirrecommendation.
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
MaterialProperties:
Viscosity,ASTMD445cSt@40°C(104°F)
44to48
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46(cont'd.)
ViscosityIndexASTMD2270
140orhigher
PourPoint,ASTMD97-37°Cto-45°C(-34°
Fto-49°F)
IndustrySpecications:EatonVickers694(I-286-S,
M-2950-S/35VQ25or
M-2952-S)
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditive
forthehydraulicuidisavailablein20ml(2/3oz)
bottles.Abottleissufcientfor15to22L(4to6
USgallons)ofhydraulicuid.OrderPartNumber.
44-2500fromyourauthorizedT orodistributor.
Important:ToroPremiumSynthetic
BiodegradableHydraulicFluidistheonly
syntheticbiodegradableuidapprovedbyToro.
Thisuidiscompatiblewiththeelastomersused
inTorohydraulicsystemsandissuitablefora
wide-rangeoftemperatureconditions.Thisuidis
compatiblewithconventionalmineraloils,butfor
maximumbiodegradabilityandperformance,the
hydraulicsystemshouldbethoroughlyushed
ofconventionaluid.Theoilisavailablein19L
(5USgallon)pailsor208L(55USgallon)drums
fromyourauthorizedTorodistributor.
Checkingthe
Hydraulic-FluidLevel
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Removetheplugfromthehydraulictank(Figure
78).
62