Toro 30606 - Blade Maintenance; Checking for a Bent Blade; Removing and Installing the Cutter Blade(S); Inspecting and Sharpening the Cutter Blade(S)

BladeMaintenance
CheckingforaBentBlade
Afterstrikingaforeignobject,inspectthemachine
fordamageandmakerepairsbeforerestartingand
operatingtheequipment.T orqueallthespindlepulley
nutsto176to203N-m(130to150ft-lb).
1.Positionthemachineonalevelsurface.Raise
thecuttingunit,engagetheparkingbrake,put
thetractionpedalinneutral,putthePTOlever
intheOffposition,stoptheengine,andremove
theignitionkey.Blockthecuttingunittoprevent
itfromaccidentallyfalling.
2.Rotatethebladeuntiltheendsfaceforwardand
backward(Figure111).Measurefromtheinside
ofthecuttingunittothecuttingedgeatthefront
oftheblade.Rememberthisdimension.
g004740
Figure111
3.Rotatetheoppositeendofthebladeforward.
Measurebetweenthecuttingunitandcutting
edgeofthebladeatthesamepositionasin
step2.Thedifferencebetweenthedimensions
obtainedinsteps2and3mustnotexceed
3mm(1/8inch).Ifthedimensionexceeds3
mm(1/8inch),thebladeisbentandmustbe
replaced;refertoRemovingandInstallingthe
CutterBlade.
RemovingandInstalling
theCutterBlade(s)
Theblademustbereplacedifasolidobjectishit,
thebladeisoutofbalance,orifthebladeisbent.
AlwaysusegenuineT ororeplacementbladestobe
sureofsafetyandoptimumperformance.Neveruse
replacementbladesmadebyothermanufacturers
becausetheycouldbedangerous.
1.Raisethecuttingunittothehighestposition,
engagetheparkingbrake,stoptheengine,and
removetheignitionkey.Blockthecuttingunitto
preventitfromaccidentallyfalling.
2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalp
cup,andbladefromthespindleshaft(Figure
112).
3.Installtheblade,anti-scalpcup,andbladebolt.
Tightenthebladeboltto115to149N-m(85to
110ft-lb).
Important:Thecurvedpartoftheblade
mustbepointingtowardtheinsideofthe
cuttingunittoensurepropercutting.
Note:Afterstrikingaforeignobject,torqueall
thespindlepulleynutsto115to149N-m(85
to110ft-lb).
g004741
Figure112
1.Bladebolt2.Anti-scalpcup
InspectingandSharpening
theCutterBlade(s)
DANGER
Awornordamagedbladecanbreak,and
apieceofthebladecouldbethrowninto
theoperator'sorbystander'sarea,resulting
inseriouspersonalinjuryordeath.Trying
torepairadamagedblademayresultin
discontinuedsafetycerticationofthe
product.
•Inspectthebladeperiodicallyforwearor
damage.
•Nevertrytostraightenabladethatisbent
orweldabrokenorcrackedblade.
•Replaceawornordamagedblade.
Twoareasmustbeconsideredwhencheckingand
servicingthecutterblade-thesailandthecutting
edge.Bothcuttingedgesandthesail,whichisthe
turnedupportionoppositethecuttingedge,contribute
toagoodquality-of-cut.Thesailisimportantbecause
itliftsthegrassupstraight,therebyproducingan
evencut.However,thesailwillgraduallyweardown
duringoperation,andthisconditionisnormal.As
thesailwearsdown,thequality-of-cutwilldegrade
somewhat,althoughthecuttingedgesaresharp.
Thecuttingedgeoftheblademustbesharpsothat
thegrassiscutratherthantorn.Adullcuttingedge
isevidentwhenthetipsofthegrassappearbrown
andshredded.Sharpenthecuttingedgestocorrect
thiscondition.
70