Toro 74922 - Hydraulic System Maintenance; Servicing the Hydraulic System

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500hydraulicoil
orMobil
®
115W-50.
Important:Usethespeciedoil.Otheruidscould
causesystemdamage.
EachHydraulicSystemOilCapacity:1.5L(52oz)per
sidewithlterchange
CheckingtheHydraulicOil
ServiceInterval:Every50hours—Checkthehydraulicoil
level.
1.Positionthemachineonalevelsurface.
2.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
3.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
4.Allowtheengineandthehydraulicsystemtocoolfor
10minutes.
Note:Theoillevelonthedipstickwillbeincorrect
whentheoilischeckedandtheunitishot.
5.Movetheseatforward.
6.Cleantheareaaroundthedipsticksofhydraulic-system
reservoirs(Figure85).
7.Removeonedipstickfromthehydraulicreservoir
(Figure85).
8.Wipethedipstickoffandthreadthedipstickintothe
reservoir.
9.Removethedipstickandlookattheend(Figure85).
Important:Donotoverllthehydraulicunits
withoilasdamagemayoccur.Donotrunthe
machinewiththeoilbelowtheaddmark.
10.Iftheoillevelisattheaddmark,slowlypouronly
enoughoilintothehydraulicreservoirtoraisethelevel
tothefullorHline.
11.Installthedipstick.
12.Repeattheprocedurefortheoppositedipstick.
G015459
H
3
4
Figure85
Eitherdipstickwillbeusedinthemachine
1.Full3.H—meanshighlevel
2.Add4.Dipsticklocationsunder
seat
WARNING
Hydraulicoilescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicoilisinjectedintotheskinit
mustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistype
ofinjury.Gangrenemayresultifthisis
notdone.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicoil.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulic-oilhosesandlines
areingoodcondition,andallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
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