Toro 30473 - Changing the Hydraulic Fluid and Filter

Note:Runtheengineatthelowestpossiblerpmto
purgethesystemofair.
Important:DonotengagethePTO.
3.Raisethedecktoextendtheliftcylinders,shutoffthe
engine,andremovethekey.
4.Raisetheseattoaccessthehydraulicuidtank.
5.Removethehydraulicllcapfromthellerneck
(Figure46).
Figure46
1.Dipstick2.Fillcap
6.Removethedipstickandwipeitwithacleanrag
(Figure46).
7.Placethedipstickintothellerneck;thenremoveit
andcheckthelevelofuid(Figure46).
Note:Ifthelevelisnotwithinthenotchedareaof
thedipstick,addenoughhigh-qualityhydraulicuidto
raisetheleveltowithinthenotchedarea.
Important:Donotoverll.
8.Replacethedipstickandthreadthellcapnger-tight
ontothellerneck.
9.Checkallhosesandttingsforleaks.
ChangingtheHydraulicFluid
AndFilter
ServiceInterval:Aftertherst200hours
Every800hours
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.MovethethrottlelevertotheSLOWposition,shutoff
theengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Placealargepanunderthehydraulicreservoirand
transmissioncaseandremovetheplugs,drainingallof
thehydraulicuid(Figure47).
Figure47
1.Hydraulic-reservoirdrain
plug
3.Transmission-casedrain
plug
2.Filter
4.Cleantheareaaroundthehydraulicuidlterand
removethelter(Figure47).
5.Immediatelyinstallanewhydraulicuidlter.
6.Installthehydraulic-reservoirandtransmission-case
drainplugs.
7.Fillthereservoirtotheproperlevel(approximately
5.7Lor6.0USqt);refertoCheckingtheHydraulic
System(page34).
8.Starttheengineandcheckforoilleaks.Allowthe
enginetorunforabout5minutes,thenshutitoff.
9.After2minutes,checkthelevelofthehydraulicuid;
refertoCheckingtheHydraulicSystem(page34).
35