Toro 23208 - Hydraulic System Maintenance; Hydraulic Fluid Specifications; Checking the Hydraulic-Fluid Level

HydraulicSystem
Maintenance
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwise,gangrenemay
result.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
HydraulicFluid
Specications
Every1,500hours/Every2years(whichever
comesrst)—Replaceallmovinghydraulic
hoses.
HydraulicTankCapacity:23L(6USgallons)
Useonly1ofthefollowinguidsinthehydraulic
system:
•ToroPremiumTransmission/HydraulicTractor
Fluid(refertoyourAuthorizedT oroDealerfor
moreinformation)
•ToroPremiumAllSeasonHydraulicFluid
(refertoyourAuthorizedToroDealerformore
information)
•IfeitheroftheaboveTorouidsarenotavailable,
youmayuseanotherUniversalTractor
HydraulicFluid(UTHF),buttheymustbeonly
conventional,petrolium-basedproducts.The
specicationsmustfallwithinthelistedrangefor
allthefollowingmaterialpropertiesandtheuid
shouldmeetthelistedindustrystandards.Check
withyourhydraulicuidsuppliertodetermineifthe
uidmeetsthesespecications.
Note:T orowillnotassumeresponsibilityfor
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uidisavailablein20
ml(0.67oz)bottles.Onebottleissufcientfor
15to22L(4to6USgallons)ofhydraulicuid.
OrderPartNo.44-2500fromyourAuthorizedT oro
Dealer.
Checkingthe
Hydraulic-FluidLevel
ServiceInterval:Every25hours
RefertoHydraulicFluidSpecications(page37).
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
hydrauliclift.
2.Shutofftheengineandremovethekey.
3.Lookintotheglassbubbleontherightsideof
themachine.Ifyoucannotseehydraulicuidin
thebubble,continuethisproceduretoadduid.
g007808
Figure53
1.Hydraulic-uidcheckbubble
4.Removethecoverplate;refertoRemovingthe
CoverPlate(page21).
5.Cleantheareaaroundthellerneckofthe
hydraulictankandremovethecapandlter
fromthellerneckusingasocket(Figure54).
37