Toro TITAN ZX 4800 - Mower Deck Maintenance; Blade Inspection and Service

BleedingtheHydraulicSystem
1.Raisetherearofmachineupandsupportitwithjack
stands(orequivalentsupport)justhighenoughto
allowthedrivewheelstoturnfreely.
G010333
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Figure60
1.Jackingpoints
2.Entertheoperator'sposition,starttheengine,move
thethrottlecontrolto1/2throttleposition,and
disengagetheparkingbrake.
A.Movethebypassleversintothepushingthe
machineposition;refertoPushingtheMachine
byHand(page25).Withthebypassvalves
openandtheenginerunning,slowlymovethe
motion-controlleversinbothforwardandreverse
directions(5or6times).
B.Movethebypassleversintotheoperating
themachineposition.Withthebypassvalve
closedandtheenginerunning,slowlymovethe
directionalcontrolinbothforwardandreverse
directions(5to6times).
C.Shutofftheengineandchecktheuidlevelinthe
expansionreservoir.Addthespecieduidas
untilitreachestheFullColdlineontheexpansion
reservoir.
3.Repeatstep2untilalloftheairiscompletelypurged
fromthesystem.
Note:Whenthetransaxleoperatesatnormalnoise
levelsandmovessmoothlyforwardandreverseat
normalspeeds,thenthetransaxleisconsideredpurged.
MowerDeck
Maintenance
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseason,because
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowth,andincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
WARNING
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownatyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagethe
blade-controlswitch,movethemotion-controlleversoutward
tothePARKposition,shutofftheengine,andremovethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure61).
Note:Iftheedgesarenotsharporhavenicks,remove
andsharpentheblades;refertoSharpeningtheBlades
(page45).
2.Inspecttheblades,especiallythecurvedarea(Figure
61).
Note:Ifyounoticeanydamage,wear,oraslot
forminginthisarea(items3and4inFigure61),
immediatelyinstallanewblade.
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