Toro 74291 - Replacing the Hydraulic Filter and Oil

Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskin
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultifthisisnot
done.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
ReplacingtheHydraulicFilter
andOil
ServiceInterval:Aftertherst25hours
Yearly
Usesummerlterabove32°F(0°C)
Usewinterlterbelow32°F(0°C)
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
Important:Donotsubstituteautomotiveoil
lterorseverehydraulicsystemdamagemay
result.
3.Placedrainpanunderlter,removetheoldlter
andwipethelteradaptergasketsurfaceclean
(Figure54).
Figure54
1.Hydrauliclter
4.Applyathincoathydrouidtotherubbergasketon
thereplacementlter(Figure55).
Figure55
1.Hydrauliclter
3.Adapter
2.Gasket
5.Installthereplacementhydrauliclterontothelter
adapter.Donottighten.
6.Fillthehydraulictankwithhydraulicuiduntilthe
uidoverowsthelterandthenturntheoillter
clockwiseuntiltherubbergasketcontactsthelter
adapter,thentightenthelteranadditional1/2turn
(Figure55).
7.Cleanupanyspilleduid.
8.Adduidtothecoldlevelofthebafeinthe
hydraulictank.
9.Starttheengineandletitrunforabouttwominutes
topurgeairfromthesystem.Stoptheengineand
checkforleaks.Ifoneorbothwheelswillnotdrive,
referBleedingHydraulicSystem.
10.Rechecktheuidlevelwhiletheuidiswarm.The
uidshouldbebetweencoldandhot.
11.Ifrequired,adduidtothehydraulictank.Donot
overll.
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