Toro 74955 - Inspecting the Blades; Checking for Bent Blades

DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
controlswitch(PTO),andsettheparkingbrake.Turnthe
ignitionkeytooff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure90).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoServicingtheCuttingBlades(page57).
2.Inspecttheblades,especiallythecurvedarea(Figure
90).Ifyounoticeanydamage,wear,oraslotforming
inthisarea(Figure90),immediatelyinstallanewblade.
Figure90
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
CheckingforBentBlades
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Rotatethebladesuntiltheendsfaceforwardand
backward(Figure91).Measurefromalevelsurfaceto
thecuttingedge,positionA,oftheblades(Figure91).
Notethisdimension.
Figure91
1.Measureherefromblade
tohardsurface
2.PositionA
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep3above.
Thedifferencebetweenthedimensionsobtainedin
steps3and4mustnotexceed1/8inch(3mm).Ifthis
dimensionexceeds1/8inch(3mm),thebladeisbent
andmustbereplaced;refertoRemovingtheBlades
(page59)andSharpeningtheBlades(page59).
WARNING
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedblade
withanewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
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