Toro 74445 - Hydraulic System Maintenance; Servicing the Hydraulic System

Figure56
1.Clevispininslot
6.Doublenuts
2.Nut7.Jamnut
3.Nut-Lefthandthread
8.Yoke
4.Adjustmentbolt9.Balljoint
5.Pumprod
7.Checkwherethecontrolleverisrelativetothenotch
intheconsole(Figure55).Itshouldbecentered,
allowingthelevertopivotoutwardtotheneutral
lockposition.
8.Ifadjustmentisneeded,loosenthenutandjamnut
againsttheyoke(Figure56).
9.Applyslightrearwardpressureonthemotioncontrol
lever,andturntheheadoftheadjustmentboltin
theappropriatedirectionuntilthecontrolleveris
centeredintheneutrallockposition.
Note:Keepingrearwardpressureontheleverwill
keepthepinattheendoftheslotandallowthe
adjustmentbolttomovethelevertotheappropriate
position.
10.Tightenthenutandjamnut(Figure56).
11.Repeatontheoppositesideofmachine.
HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500
hydraulicoilorMobil
®
115W-50.
HydraulicSystemOilCapacity:67ounces(2.0l)
Important:Useoilspeciedorequivalent.Other
uidscouldcausesystemdamage.
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every50hours
Note:Therearetwowaysofcheckingthehydraulicoil.
Oneiswhentheoiliswarmandoneiswhentheoilis
cold.Thebafeinsidethetankhastwolevelsdepending
iftheoiliswarmorcold.
1.Positionthemachineonalevelsurfaceandsetthe
parkingbrake.
2.Cleantheareaaroundllerneckofhydraulictank
(Figure57).
3.Removethecapfromthellerneck.Lookinsideto
checkifthereisuidinthereservoir(Figure57).
4.Ifthereisnouid,adduidtothereservoiruntilit
reachesthecoldlevelofthebafe.
5.Runthemachineatlowidlefor15minutestoallow
anyairtopurgeoutofthesystemandwarmthe
uid.RefertoStartingandStoppingtheEnginein
Operation.
6.Rechecktheuidlevelwhiletheuidiswarm.The
uidshouldbebetweencoldandhot.
7.Ifrequired,adduidtothehydraulictank.
Note:Theuidlevelshouldbetothetopofthehot
levelofthebafe,whentheuidishot(Figure57).
8.Installthecaponllerneck.
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