Toro XLS 420T - Cooling System Maintenance; Cleaning the Cooling System; Blade and Mower Deck Maintenance; Servicing the Blades

CoolingSystem
Maintenance
CleaningtheCoolingSystem
ServiceInterval:Every100hours—Cleanthecooling
system.
Useadrybrushtocleangrassandaccumulateddebris
fromtheengine.
1.Disengagethebladecontrol(PTO).
2.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
3.Removetheairintakescreen,aircleanerclover,and
fanhousing.
4.Cleandebrisandgrassfromtheparts.
5.Installtheairintakescreen,aircleanercover,and
fanhousing.
Important:Topreventcontaminatingthefuel
system,donotusewatertocleantheengine.
BladeMaintenance
ServicingtheBlades
ServiceInterval:Beforeeachuseordaily
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,keep
extrablades.
DANGER
Awornordamagedbladecanbreakandapiece
ofthebladecouldbethrownintotheoperator’s
orbystander’sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
InspectingtheBlades
1.Removethemower;refertoRemovingtheMower.
2.Inspectthecuttingedges(Figure28).Iftheedges
arenotsharporhavenicks,removethebladesand
sharpenthem;refertoSharpeningtheBlades.
Figure28
1.Cuttingedge3.Wear/slotforming
2.Curvedarea
3.Inspecttheblades,especiallythecurvedarea
(Figure28).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure28),immediatelyinstalla
newblade.
RemovingtheBlades
1.Removethemower;refertoRemovingtheMower.
2.Carefullytipthemowerover.
3.Removethebolt(5/8inchwrench),curvedwasher,
retainer,andblade(Figure29).Useablockofwood
asawedgebetweenthebladeandthemowertolock
thebladewhenyouareremovingthebolt.
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