Toro 74901 - Hydraulic System Maintenance; Servicing the Hydraulic System

Figure83
1.Flangednut2.Jamnut
HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500
hydraulicoilorMobil
®
115W-50.
Important:Useoilspecied.Otheruidscould
causesystemdamage.
EachHydraulicSystemOilCapacity:52ounces(1.5
l)persidewithlterchange
CheckingtheHydraulicOil
ServiceInterval:Every50hours—Checkthehydraulic
oillevel.
1.Positionthemachineonalevelsurface.
2.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
3.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
4.Allowtheengineandhydraulicsystemtocoolfor
tenminutes.
Note:Theoillevelonthedipstickwillbeincorrect
whentheoilischeckedandtheunitishot.
5.Movetheseatforward.
6.Cleantheareaaroundthedipsticksofhydraulic
systemreservoirs(
Figure84).
7.Removeonedipstickfromthehydraulicreservoir
(
Figure84).
8.Wipethedipstickoffandthreadthedipstickinto
thereservoir.
9.Removethedipstickandlookattheend(
Figure84).
Iftheoillevelisattheaddmark,slowlypouronly
enoughoilintothehydraulicreservoirtoraisethe
leveltothefullorHline.
Important:Donotoverllthehydraulicunits
withoilasdamagemayoccur.Donotrunthe
machinewiththeoilbelowtheaddmark.
10.Installthedipstick.
11.Repeatprocedurefortheoppositedipstick.
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