Toro Reelmaster 3550 - Changing the Hydraulic Fluid; Checking the Hydraulic Lines and Hoses

5.Starttheengineandletitrunforabout2minutesto
purgeairfromthesystem.Shutofftheengineand
checkforleaks.
ChangingtheHydraulicFluid
ServiceInterval:Every400hours
Iftheuidbecomescontaminated,contactyourlocalToro
distributorbecausethesystemmustbeushed.Contaminated
uidlooksmilkyorblackwhencomparedtocleanoil.
1.Parkthemachineonalevelsurface,lowerthecutting
units,engagetheparkingbrake,shutofftheengine,
andremovethekeyfromtheignitionswitch.
2.Disconnectthelargehydraulichose(Figure63)from
thereservoirandletthehydraulicuidowintoa
drainpan.
g020253
Figure63
1.Hydraulichose
3.Installthehydraulichosewhenhydraulicuidstops
draining.
4.Fillthereservoir(Figure64)withapproximately13.2
L(3.5USgallons)ofhydraulicuid;refertoChecking
theHydraulicSystem(page21).
Important:Useonlythehydraulicuids
specied.Otheruidscouldcausesystem
damage.
g008886
Figure64
1.Hydraulicllcap
5.Installthereservoircap.Starttheengineanduseallof
thehydrauliccontrolstodistributethehydraulicuid
throughoutthesystem.
6.Checkforleaks;thenshutofftheengine.
7.Checktheuidlevelandaddenoughtoraisethelevel
toFullmarkonthedipstick.
Important:Donotoverllthereservoir.
CheckingtheHydraulicLines
andHoses
ServiceInterval:Beforeeachuseordaily
Parkthemachineonalevelsurface,lowerthecuttingunits,
engagetheparkingbrake,shutofftheengine,andremovethe
keyfromtheignitionswitch.
Checkthehydrauliclinesandhosesforleaks,kinkedlines,
loosemountingsupports,wear,loosettings,weather
deterioration,andchemicaldeterioration.Makeallnecessary
repairsbeforeoperatingthemachine.
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