Toro 74902TE - Hydraulic System Maintenance; Servicing the Hydraulic System

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500hydraulic
oilorMobil
®
115W-50.
Important:Useoilspecied.Otheruidscould
damagethehydraulicsystem.
EachHydraulicSystemOilCapacity:1.5L(52oz)
persidewithlterchange
CheckingtheHydraulicOil
ServiceInterval:Every50hours—Checkthe
hydraulicoillevel.
1.Positionthemachineonalevelsurface.
2.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
3.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
4.Waitfortheengineandhydraulicsystemtocool
for10minutes.
Note:Theoillevelonthedipstickisincorrectif
youchecktheoilwhenthemachineishot.
5.Movetheseatforward.
6.Cleantheareaaroundthedipsticksofthe
hydraulicsystemreservoirs(Figure89).
7.Remove1dipstickfromthehydraulicreservoir
(Figure89).
8.Wipethedipstickoffandthreadthedipstickinto
thereservoir.
9.Removethedipstickandlookattheend(Figure
89).
Note:Iftheoillevelisattheaddmark,slowly
pouronlyenoughoilintothehydraulicreservoir
toraisetheleveltothefullorHline.
Important:Donotoverllthehydraulic
unitswithoil,asdamagemayoccur.Donot
runthemachinewiththeoilbelowtheadd
mark.
10.Installthedipstick.
11.Repeatprocedurefortheoppositedipstick.
g015459
Figure89
Eitherdipstickisusedinthemachine
1.Full3.H—meanshighlevel
2.Add4.Dipsticklocationsunder
seat
WARNING
Hydraulicoilescapingunderpressure
canpenetrateskinandcauseinjury.
•Ifhydraulicoilisinjectedintothe
skin,itmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliar
withthistypeofinjury.Gangrenemay
resultifthisisnotdone.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicoil.
•Usecardboardorpapertond
hydraulicleaks.
•Safelyrelieveallpressureinthe
hydraulicsystembeforeperforming
anyworkonthehydraulicsystem.
•Makesurethatallhydraulicoilhoses
andlinesareingoodconditionand
thatallhydraulicconnectionsand
ttingsaretightbeforeapplying
pressuretothehydraulicsystem.
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