Toro 74312 - Hydraulic System Maintenance; Hydraulic System Safety; Servicing the Hydraulic System

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Ensurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Seekimmediatemedicalattentionifuid
isinjectedintoskin.Injecteduidmustbe
surgicallyremovedwithinafewhoursbya
doctor.
ServicingtheHydraulic
System
HydraulicFluidType:Toro
®
HYPR-OIL
™
500
hydraulicoilorMobil
®
115W-50.
Important:Usetheuidspecied.Otheruids
couldcausesystemdamage.
CheckingtheHydraulicFluid
ServiceInterval:Every40hours—Checkthe
hydraulicuidlevel.
1.Positionthemachineonalevelsurface.
2.Movethespeed-controllevertotheNEUTRAL
positiontostopthemachine.
3.DisengagethePTO,engagetheparkingbrake,
shutofftheengine,andwaitforallmovingparts
tostop.
4.Waitfortheengineandthehydraulicsystemto
coolfor10minutes.
Note:T ogetthecorrectreading,checkthe
hydraulicuidlevelwhenthemachineiscool.
5.Raisetheseatup.
6.Cleantheareaaroundthedipstickofthe
hydraulic-systemreservoir(Figure60).
7.Removethedipstickfromthehydraulicreservoir
(Figure60).
8.Wipethedipstickoffandthreadthedipstickinto
thereservoir.
9.Removethedipstickandlookattheend(Figure
60).Iftheoillevelisattheaddmark,slowly
pouronlyenoughoilintothehydraulicreservoir
toraisetheleveltothefullline.
Important:Donotoverllthehydraulic
unitswithoil,asdamagemayoccur.Donot
runthemachinewiththeoilbelowtheadd
mark.
10.Installthedipstick.
g025772
Figure60
1.Full2.Add
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintothe
skinitmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliar
withthistypeofinjuryorgangrene
mayresult.
•Keepyourbodyandhandsawayfrom
pin-holeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertond
hydraulicleaks.
•Safelyrelieveallpressureinthe
hydraulicsystembeforeperforming
anyworkonthehydraulicsystem.
•Makesurethatallhydraulicuid
hosesandlinesareingoodcondition
andallhydraulicconnectionsand
ttingsaretightbeforeapplying
pressuretohydraulicsystem.
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