Toro 74946 - Hydraulic System Maintenance; Servicing the Hydraulic System

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500hydraulicoil
orMobil
®
115W-50.
Important:Useoilspecied.Otheruidscould
damagethehydraulicsystem.
EachHydraulicSystemOilCapacity:1.5L(52oz)per
sidewithlterchange
CheckingtheHydraulicOil
ServiceInterval:Every50hours—Checkthehydraulicoil
level.
1.Positionthemachineonalevelsurface.
2.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
3.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
4.Waitfortheengineandhydraulicsystemtocoolfor
10minutes.
Note:Theoillevelonthedipstickisincorrectifyou
checktheoilwhenthemachineishot.
5.Movetheseatforward.
6.Cleantheareaaroundthedipsticksofthehydraulic
systemreservoirs(Figure85).
7.Remove1dipstickfromthehydraulicreservoir(Figure
85).
8.Wipethedipstickoffandthreadthedipstickintothe
reservoir.
9.Removethedipstickandlookattheend(Figure85).
Note:Iftheoillevelisattheaddmark,slowlypour
onlyenoughoilintothehydraulicreservoirtoraisethe
leveltothefullorHline.
Important:Donotoverllthehydraulicunits
withoil,asdamagemayoccur.Donotrunthe
machinewiththeoilbelowtheaddmark.
10.Installthedipstick.
11.Repeatprocedurefortheoppositedipstick.
G015459
H
3
4
Figure85
Eitherdipstickisusedinthemachine
1.Full3.H—meanshighlevel
2.Add4.Dipsticklocationsunder
seat
WARNING
Hydraulicoilescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicoilisinjectedintotheskin,it
mustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistype
ofinjury.Gangrenemayresultifthisis
notdone.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicoil.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesurethatallhydraulicoilhosesand
linesareingoodconditionandthatall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
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