Toro CT2120 30655 - Hydraulic System Maintenance; Servicing the Hydraulic System; Hydraulic Oil Overheat Warning System

HydraulicSystem
Maintenance
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Getimmediatemedicalhelpifuidisinjected
intoskin.
ServicetheHydraulicSystem
ServiceInterval:Every500hours
Note:Keepwaterawayfromelectricalcomponents.
Useadryclothorbrushtocleansuchareas.
Thisprocedureisbestcarriedoutwhenthehydraulicoil
iswarm(nothot).Lowerthecutterheadstotheground
anddrainthehydraulicsystem.
1.Removetheoiltankllerangetogainaccessto
thesuctionstrainer.
2.Unscrewandremovethestrainerandcleanwith
parafnorpetrolbeforeinstalling.
3.Installthereturnlineoillterelement.
4.Installthetransmissionoillterelement,refer
to
ChangingtheTransmissionOilFilter(page39).
5.Installthedrainplugandrellthehydraulictank
withfreshcleanhydraulicoiloftherecommended
grade,referto
Specications(page18).
6.Runthemachineandoperateallhydraulicsystems
untilthehydraulicoiliswarm.
7.Checktheoillevelandtopupasnecessarytothe
uppermarkonthesightlevelgauge.
3
2
1
G014452
Figure63
1.Oiltanklter
3.Fillerstrainercap
2.Suctionstrainer
ChecktheHydraulicOil
OverheatWarningSystem
ServiceInterval:Every500hours
1
G014439
Figure64
1.T emperatureswitch2.Hydraulicoiltank
1.TurntheignitionkeytotheignitiononpositionI.
2.Disconnectthered/bluewireterminalfromthe
hydraulictanktemperatureswitch.
3.Touchthemetalterminalofthewireontoasuitable
earthpoint,ensuringthatthemetalsurfacesmake
goodcontact.
Thehornwillsoundandthehydraulicoiltemperature
warninglightwillilluminatetoconrmcorrect
operation.Ifnecessary,makerepairsbeforeoperating
themower.
45