HydraulicSystem
Maintenance
ChangingtheHydraulicFluid
ServiceInterval:Aftertherst200hours
Every800hours
Changethehydraulicuidafterevery800operatinghours,
innormalconditions.Iftheuidbecomescontaminated,
contactyourlocalTorodistributorbecausethesystemmust
beushed.Contaminateduidlooksmilkyorblackwhen
comparedtocleanoil.
1.Turntheengineoffandraisethehood.
2.Loosenthedrainvalveonthebottomofthereservoir
andletthehydraulicuidowintolargedrainpan.
Closethevalvewhenthehydraulicuidstopsdraining.
3.Fillthereservoir(
Figure74)withapproximately8
gallons(30l)ofhydraulicuid;refertoCheckingthe
HydraulicFluid.
Important:Useonlythehydraulicuids
specied.Otheruidscouldcausesystem
damage.
Figure74
1.Hydraulicreservoir
4.Installthereservoircap.Starttheengineanduseall
ofthehydrauliccontrolstodistributehydraulicuid
throughoutthesystem.Alsocheckforleaks;thenstop
theengine.
5.Checktheuidlevelandaddenoughtoraiselevel
theleveltotheFULLmarkonthedipstick.Donot
overll.
ReplacingtheHydraulicFilters
ServiceInterval:Aftertherst200hours
Every800hours
Changethe2hydraulicltersinitiallyaftertherst200
operatinghours.Thereafter,changetheltersafterevery800
operatinghours,innormalconditions.
UseTororeplacementlters(PartNo.94-2621fortheleft
sideofthemachineand75-1310fortherightsideofthe
machine).
Important:Useofanyotherltermayvoidthewarranty
onsomecomponents.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengine,engagetheparking
brakes,andremovetheignitionkey.
2.Cleantheareaaroundtheltermountingarea.Place
adrainpanunderthelterandremovethelter
(Figure75).
Figure75
3.Lubricatethenewltergasketandllthelterwith
hydraulicuid.
4.Ensurethattheltermountingareaisclean.Screwthe
lteronuntilthegasketcontactsthemountingplate;
thentightenthelteranadditional1/2turn.
5.Starttheengineandletitrunforabouttwominutesto
purgeairfromthesystem.Stoptheengineandcheck
forleaks.
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