Toro TX 427 Series - Changing the Hydraulic Fluid

WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwise,gangrenemay
result.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
11.Checktheuidlevelinthehydraulictank(referto
CheckingtheHydraulic-FluidLevel(page17))andadd
uidtoraisetheleveltomarkondipstick.Donot
overllthetank.
12.Closetherear-accesscover.
ChangingtheHydraulicFluid
ServiceInterval:Every400hours/Yearly(whichevercomes
rst)
HydraulicFluidSpecication:
Useonly1ofthefollowinguidsinthehydraulicsystem:
•ToroPremiumTransmission/HydraulicTractor
Fluid(refertoyourAuthorizedToroDealerformore
information)
•ToroPremiumAllSeasonHydraulicFluid(referto
yourAuthorizedToroDealerformoreinformation)
•IfeitheroftheaboveTorouidsarenotavailable,
youmayuseanotherUniversalTractorHydraulic
Fluid(UTHF),buttheymustbeonlyconventional,
petrolium-basedproducts.Thespecicationsmustfall
withinthelistedrangeforallofthefollowingmaterial
propertiesandtheuidshouldmeetthelistedindustry
standards.Checkwithyouroilsuppliertodetermineif
theoilmeetsthesespecications.
Note:Torodoesnotassumeresponsibilityfordamage
causedbyimpropersubstitutions,souseonlyproducts
fromreputablemanufacturerswhostandbehindtheir
recommendations.
MaterialProperties
cStat40degreesC:55to62 Viscosity,ASTMD445
cStat100degreesC:9.1to
9.8
Viscosityindex,ASTMD2270
140to152
PourPoint,ASTMD97-37to-43degreesC(-35to
-46degreesF)
IndustryStandards
APIGL-4,AGCOPoweruid821XL,FordNewHolland
FNHA-2-C-201.00,KubotaUDT ,JohnDeereJ20C,Vickers
35VQ25andVolvoWB-101/BM.
Note:Manyhydraulicuidsarealmostcolorless,making
itdifculttospotleaks.Areddyeadditiveforthe
hydraulicsystemoilisavailablein20ml(2/3oz)bottles.
Onebottleissufcientfor15to22L(4to6USgallons)
ofhydraulicuid.Orderpartno.44-2500fromyour
AuthorizedToroDealer.
1.Positionthetractionunitonalevelsurface.
2.Openthehoodandremovetheleftsidescreen.
3.Installthecylinderlock,shutofftheengine,and
removethekey.
4.Allowthetractionunittocoolcompletely.
5.Removethehydraulic-tankcapanddipstick(Figure60).
Figure60
1.Filler-neckcap2.Dipstick
6.Placealargedrainpain(capableofholding15US
gallons)underthedrainplugonthefrontofthe
tractionunit(Figure61).
Note:Thedrainplugislocatedbehindthefront
weights,undertheslopedplate.
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