Toro 74952 - Hydraulic System Maintenance

Figure80
Right-handmotioncontrolshown
1.Torquethelocknutto23N-m(17ft-lb).Theboltmust
protrudepasttheendofthelocknutaftertorquing.
2.Mostresistance(rmestfeel)
3.Damper
4.Mediumresistance(mediumfeel)
5.Leastresistance(softestfeel)
AdjustingtheMotion-Control
Neutral-LockPivot
Theangednutcanbeadjustedtoobtainamoredesired
motion-controlleverresistancewhenmovingittothe
neutral-lockposition.SeeFigure81foradjustmentoptions.
1.Loosenthejamnut.
2.Tightenorloosentheangednuttothedesiredfeel.
Formoreresistance,tightentheangednut.
Forlessresistance,loosentheangednut
3.Tightenthejamnut.
Figure81
1.Flangednut2.Jamnut
HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500hydraulicoil
orMobil
®
115W-50.
Important:Useoilspecied.Otheruidscouldcause
systemdamage.
EachHydraulicSystemOilCapacity:1.5L(1.59USqt)
persidewithlterchange
CheckingtheHydraulicOil
ServiceInterval:Every50hours—Checkthehydraulicoil
level.
1.Positionthemachineonalevelsurface.
2.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedpositionandsettheparkingbrake.
3.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
4.Allowtheengineandthehydraulicsystemtocoolfor
10minutes.
Note:Theoillevelonthedipstickwillbeincorrectif
theoilischeckedwhenthemachineishot.
5.Movetheseatforward.
6.Cleantheareaaroundthedipsticksofthe
hydraulic-systemreservoirs(Figure82).
7.Removeonedipstickfromthehydraulicreservoir
(Figure82).
8.Wipethedipstickoffandthreadthedipstickintothe
reservoir.
9.Removethedipstickandlookattheend(Figure82).
Iftheoillevelisattheaddmark,slowlypouronly
enoughoilintothehydraulicreservoirtoraisethelevel
tothefullorHline.
Important:Donotoverllthehydraulicunits
withoilasdamagemayoccur.Donotrunthe
machinewiththeoilbelowtheaddmark.
10.Installthedipstick.
11.Repeatprocedurefortheoppositedipstick.
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