Toro Workman 07390 - Hydraulic System Maintenance

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Beforedisconnectingorperforminganyworkon
thehydraulicsystem,relieveallpressureinthe
systembyshuttingofftheengine,cyclingthe
dumpvalvefromraisetolower,and/orlowering
thecargobedandattachments.Placetheremote
hydraulicsleverintheoatposition.Donotwork
underaraisedbedwithouttheproperbedsafety
supportinplace.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandthatallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourhandsandbodyawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
ServicingtheHydraulic
System
HydraulicFluidSpecications
Thereservoirislledatthefactorywithhigh-quality
hydraulicuid.Checkthelevelofthehydraulicuid
beforeyourststarttheengineanddailythereafter;
refertoCheckingtheHydraulic-FluidLevel(page59).
Recommendedreplacementuid:T oroPX
ExtendedLifeHydraulicFluid;availablein19L(5US
gallon)pailsor208L(55USgallon)drums.
Note:Amachineusingtherecommended
replacementuidrequireslessfrequentuidandlter
changes.
Alternative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
ViscosityIndexASTMD2270
140orhigher
PourPoint,ASTMD97-37°Cto-45°C(-34°F
to-49°F)
IndustrySpecications:EatonVickers694(I-286-S,
M-2950-S/35VQ25or
M-2952-S)
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditivefor
thehydraulicuidisavailablein20ml(0.67oz)
bottles.Abottleissufcientfor15to22L(4to6US
gallons)ofhydraulicuid.OrderPartNo.44-2500
fromyourauthorizedTorodistributor.
CheckingtheHydraulic-Fluid
Level
ServiceInterval:Beforeeachuseordaily—Check
thehydraulic-uidlevel.(Check
thelevelofhydraulicuidbefore
theengineisrststartedanddaily
thereafter.)
Hydraulic-uidcapacityforNon-TCmodel:7.5L
(2USgallons)
Hydraulic-uidcapacityforNon-TCmodelwiththe
HighFlowHydraulicKit(optional)orTCmodel:
15.1L(4USgallons)
1.Parkthemachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutofftheengineandremovethekey.
4.Cleantheareaaroundthellerneckandthe
capofthehydraulicreservoir(Figure79and
Figure80).
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