Toro 30344 - Servicing the Hydraulic System

MaterialProperties:
Viscosity,ASTMD445cSt@40°C55to62
cSt@100°C9.1to9.8
ViscosityIndexASTM
D2270
140to152
PourPoint,ASTMD97-35°Fto-46°F
IndustrySpecications:
APIGL-4,AGCOPoweruid821XL,FordNewHolland
FNHA-2-C-201.00,KubotaUDT,JohnDeereJ20C,
Vickers35VQ25,andVolvoWB-101/BM
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditive
forthehydraulicuidisavailablein20ml(2/3oz)
bottles.Abottleissufcientfor15to22L(4to6US
gallons)ofhydraulicuid.OrderPartNo.44-2500
fromyourauthorizedTorodistributor.
ServicingtheHydraulic
System
PreparingtoServicetheHydraulic
System
1.Movemachinetoalevelsurfaceandengage
theparkingbrake.
2.PlaceallcontrolsintheNEUTRALpositionand
starttheengine.
3.Runtheengineatlowestpossibleenginespeed
topurgethesystemofair.
Important:DonotrunthePTO.
4.Cyclesteeringwheelseveraltimesfullytothe
leftandright,andalignthesteeringwheels
straightforward.
CheckingtheHydraulicSystem
andFluidLevel
ServiceInterval:Beforeeachuseordaily
Note:Thetransaxlehousingactsasthereservoir
forthehydraulicsystem.
1.Raisethedecktoextendthedeck-liftcylinders,
shutofftheengine,andremovethekeyfrom
thekeyswitch.
2.Loosendipstickcap(Figure78)andremovethe
dipstickfromtransaxlellertubeandwipethe
dipstickwithacleanrag.
g034075
Figure78
3.Insertthedipstickintothelltubeandthread
dipstickcapontothetube.
4.Removethedipstickandchecktheuidlevel
(Figure79).
g034080
Figure79
5.Iftheuidlevelisbelowthelowermarkofthe
dipstick,addthespeciedhydraulicuidintothe
lltube(Figure80)untiluidlevelrisesbetween
theupperandlowermarkswhencheckedwith
thedipstick(Figure79).
Important:Donotllthetransaxlehousing
withhydraulicuidabovetheuppermarkof
thedipstick.
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