Toro 74946 - Servicing the Cutting Blades

13.Ifthedeckistoolow ,tightenthesingle-point
adjustmentboltbyrotatingitclockwise.Ifthedeckis
toohigh,loosenthesinglepointadjustmentboltby
rotatingitcounterclockwise(Figure93).
Note:Loosenortightenthesingle-pointadjustment
boltenoughtomovetheheight-of-cutplatemounting
boltsatleast1/3thelengthoftheavailabletravelin
theirslots.Thiswillgainsomeupanddownadjustment
oneachofthe4decklinks.
14.Tightenthe2boltsatthebottomoftheheight-of-cut
plate(Figure93).
Note:Inmostconditions,thebackbladetipshould
beadjusted6.4mm(1/4inch)higherthanthefront.
g017036
Figure93
1.Single-pointadjustmentbolt
15.Torquethe2boltsto37to45N∙m(27to33ft-lb).
16.Onbothsidesofthedeck,measurefromthelevel
surfacetothebacktipoftheblade(positionB)as
showninFigure89.
Note:Themeasurementshouldread8.3cm(3-1/4
inches)
17.Fine-tunethescrewadjusterbyturningittoget8.3
mm(3-1/4inches)height(Figure91).
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(Figure94).
2.Iftheedgesarenotsharporhavenicks,removeand
sharpentheblade;refertoRemovingtheBlades(page
65)andSharpeningtheBlades(page65).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforminginthis
area,immediatelyinstallanewblade(Figure94).
Figure94
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
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