Toro 74721 - Mower Maintenance; Servicing the Cutting Blades; Blade Safety; Before Inspecting or Servicing the Blades

ReleasingtheElectric
Brake
Youcanmanuallydisengagetheelectricbrakeby
rotatingthelinkarmsforward.Oncetheelectricbrake
isenergized,thebrakeengagesagain.
1.TurntheignitionkeytotheOFFpositionor
disconnectthebattery.
2.Locatetheshaftontheelectricbrakewherethe
brakelinkarmsareconnected(Figure44).
3.Rotatetheshaftforwardtoreleasethebrake.
g027911
Figure44
1.Brake-linkarmontheelectricbrakecontrolmodule
2.Left,reartire
MowerMaintenance
ServicingtheCutting
Blades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,
keepextrabladesonhand.
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.Tryingto
repairadamagedblademayresultindiscontinued
safetycerticationoftheproduct.
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andmovethe
motion-controlleversoutwardtothePARK
position.
2.Shutofftheengine,removethekey,and
disconnectthespark-plugwiresfromthespark
plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure45).
2.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblade;refertoSharpeningthe
Blades(page38).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming
inthisarea,immediatelyinstallanewblade
(Figure45).
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