HydraulicSystem
Maintenance
ChangingtheHydraulicFluid
ServiceInterval:Aftertherst200hours
Every800hours
Changethehydraulicuidafterevery800operating
hours,innormalconditions.Iftheuidbecomes
contaminated,contactyourlocalTorodistributor
becausethesystemmustbeushed.Contaminateduid
looksmilkyorblackwhencomparedtocleanoil.
1.Turntheengineoffandraisethehood.
2.Loosenthedrainvalveonthebottomofthe
reservoirandletthehydraulicuidowintolarge
drainpan.Closethevalvewhenthehydraulicuid
stopsdraining.
3.Fillthereservoir(Figure67)withapproximately8
gallons(30l)ofhydraulicuid;refertoChecking
theHydraulicFluid.
Important:Useonlythehydraulicuids
specied.Otheruidscouldcausesystem
damage.
Figure68
1.Hydraulicreservoir
4.Installthereservoircap.Starttheengineanduseall
ofthehydrauliccontrolstodistributehydraulicuid
throughoutthesystem.Alsocheckforleaks;then
stoptheengine.
5.Checktheuidlevelandaddenoughtoraiselevel
theleveltotheFULLmarkonthedipstick.Donot
overll.
ReplacingtheHydraulicFilters
ServiceInterval:Aftertherst200hours
Every800hours
Changethe2hydraulicltersinitiallyaftertherst200
operatinghours.Thereafter,changetheltersafter
every800operatinghours,innormalconditions.
UseTororeplacementlters(PartNo.94-2621forthe
leftsideofthemachineand75-1310fortherightside
ofthemachine).
Important:Useofanyotherltermayvoidthe
warrantyonsomecomponents.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengine,engagetheparking
brakes,andremovetheignitionkey.
2.Cleantheareaaroundtheltermountingarea.Place
adrainpanunderthelterandremovethelter
(Figure69).
Figure69
3.Lubricatethenewltergasketandllthelterwith
hydraulicuid.
4.Ensurethattheltermountingareaisclean.Screw
thelteronuntilthegasketcontactsthemounting
plate;thentightenthelteranadditional1/2turn.
5.Starttheengineandletitrunforabouttwominutes
topurgeairfromthesystem.Stoptheengineand
checkforleaks.
CheckingtheHydraulicLines
andHoses
ServiceInterval:Every2years
Inspectthehydrauliclinesandhosesdailyfor
leaks,kinkedlines,loosemountingsupports,wear,
loosettings,weatherdeterioration,andchemical
deterioration.Makeallnecessaryrepairsbefore
operating.
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