Toro 74909TE - Servicing the Cutting Blades

13.Ifthedeckistoolow,tightenthesingle-point
adjustmentboltbyrotatingitclockwise.Ifthedeckis
toohigh,loosenthesinglepointadjustmentboltby
rotatingitcounterclockwise(Figure102).
Note:Loosenortightenthesingle-pointadjustment
boltenoughtomovetheheight-of-cutplatemounting
boltsatleast1/3thelengthoftheavailabletravel
intheirslots.Thiswillgainsomeup-and-down
adjustmentoneachofthe4decklinks.
14.Tightenthe2boltsatthebottomoftheheight-of-cut
plate(Figure102).
Note:Inmostconditions,thebackbladetipshould
beadjusted6.4mm(1/4inch)higherthanthefront.
g017036
Figure102
1.Single-pointadjustmentbolt
15.Torquethe2boltsto37to45N∙m(27to33ft-lb).
16.Onbothsidesofthedeck,measurefromthelevel
surfacetothebacktipoftheblade(positionB)as
showninFigure98.
Note:Themeasurementshouldread8.3cm(3-1/4
inches)
17.Fine-tunethescrewadjusterbyturningittoget8.3
mm(3-1/4inches)height(Figure100).
Note:Toincreasetheheight,turntheadjustmentnut
clockwise;todecrease,turncounterclockwise.
18.Measureuntilall4sidesarethecorrectheight.
19.Tightenallthenutsonthedeck-lift-armassemblies.
20.Lowerthedischargechute.
ServicingtheCuttingBlades
Toensureasuperiorqualityofcut,keepthebladessharp.For
convenientsharpeningandreplacement,keepextrablades
onhand.
WARNING
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownatyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladesperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengagethe
blade-controlswitch(PTO),andsettheparkingbrake.
2.TurntheignitionkeytoOFF.Removethekey,and
disconnectthesparkplugwiresfromthesparkplugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure103).
2.Iftheedgesarenotsharporhavenicks,removeand
sharpentheblade;refertoRemovingtheBlades(page
64)andSharpeningtheBlades(page64).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforminginthis
area,immediatelyinstallanewblade(Figure103).
Figure103
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
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