Toro 74267 - Replacing the Hydraulic Filter and Fluid

ReplacingtheHydraulicFilterand
Fluid
ServiceInterval:Aftertherst25hours
Every250hours—Changethehydrauliclter
andhydraulicuidwhenusingMobil
®
1uid.
Every500hours—Changethehydraulic
lterandhydraulicuidwhenusingT oro
®
HYPR-OIL
™
500hydraulicuid.
Usesummerlterabove0°C(32°F)
Usewinterlterbelow0°C(32°F)
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
Important:Donotsubstituteautomotive
oillterorseverehydraulicsystemdamage
mayresult.
3.Placedrainpanunderlter,removetheoldlter
andwipethelteradaptergasketsurfaceclean
(Figure87).
g001044
Figure87
1.Hydrauliclter
4.Removetherighthydrauliclinethatcomesinto
theadapter(Figure88).
5.Allowtheuidtodrainoutofthesystemintothe
drainpan.
6.Installtherighthydrauliclinetotheadapter
(Figure88).
g001313
Figure88
1.Righthydraulicline3.Hydraulictank
2.Hydrauliclter
7.Applyathincoattotherubbergasketonthe
replacementlter(Figure89).
8.Installthereplacementhydrauliclterontothe
lteradapter.
Note:Donottighten.
9.Fillthehydraulictankwithhydraulicuiduntil
theuidoverowsthelterandthenturnthe
uidlterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightenthelter
anadditional1/2turn(Figure89).
10.Cleanupanyspilleduid.
11.Adduidtothecoldlevelofthebafeinthe
hydraulictank.
12.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
Note:If1orbothwheelsdonotdrive,referto
BleedingtheHydraulicSystem(page64).
14.Checktheuidlevelwhiletheuidiswarm.
Note:Theuidshouldbebetweencoldandhot.
15.Ifrequired,adduidtothehydraulictank.
Note:Donotoverll.
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