Toro TX 427 - Hydraulic System Maintenance; Hydraulic System Safety Precautions; Hydraulic-Fluid Specifications; Checking Hydraulic-Fluid Level

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
Hydraulic-Fluid
Specications
HydraulicTankCapacity:45.4L(12USgallons)
Useonly1ofthefollowinguidsinthehydraulic
system:
•ToroPremiumTransmission/HydraulicTractor
Fluid(refertoyourAuthorizedT oroDealerfor
moreinformation)
•ToroPremiumAllSeasonHydraulicFluid
(refertoyourAuthorizedToroDealerformore
information)
•IfeitheroftheaboveT orouidsarenotavailable,
youmayuseanotherUniversalTractor
HydraulicFluid(UTHF),buttheymustbeonly
conventional,petroleum-basedproducts.The
specicationsmustfallwithinthelistedrangefor
allthefollowingmaterialpropertiesandtheuid
shouldmeetthelistedindustrystandards.Check
withyourhydraulicuidsuppliertodetermineifthe
uidmeetsthesespecications.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
onlyproductsfromreputablemanufacturerswho
willstandbehindtheirrecommendations.
MaterialProperties
cStat40°C:55to62 Viscosity,ASTMD445
cStat100°C:9.1to9.8
Viscosityindex,ASTMD2270
140to152
PourPoint,ASTMD97-37to-43°C(-35to-46°F)
IndustryStandards
APIGL-4,AGCOPoweruid821XL,FordNewHolland
FNHA-2-C-201.00,KubotaUDT ,JohnDeereJ20C,Vickers
35VQ25andVolvoWB-101/BM
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditive
forthehydraulicsystemuidisavailablein20ml
(2/3oz)bottles.Onebottleissufcientfor15to
22L(4to6USgallons)ofhydraulicuid.Order
PartNo.44-2500fromyourAuthorizedService
Dealer.
Checkingthe
Hydraulic-FluidLevel
ServiceInterval:Every25hours
Checkthehydraulic-uidlevelbeforetheengineis
rststartedandafterevery25operatinghours.
RefertoHydraulic-FluidSpecications(page42)for
hydraulic-uidspecications.
Important:Alwaysusethecorrecthydraulic
uid.Unspecieduidswilldamagethehydraulic
system.
1.Removeanyattachments.
2.Parkthemachineonalevelsurface,lowerthe
loaderarms,andfullyretractthetiltcylinder.
3.Shutofftheengine,removethekey,andallow
theenginetocool.
4.Openthehoodandremovetheleftsidescreen.
5.Cleantheareaaroundthellerneckofthe
hydraulictank(Figure60).
6.Removetheller-neckcapandchecktheuid
levelonthedipstick(Figure60).
Theuidlevelshouldbebetweenthemarkson
thedipstick.
g013121
Figure60
1.Filler-neckcap2.Dipstick
42