Toro 74953 - Servicing the Cutting Blades

toohigh,loosenthesinglepointadjustmentboltby
rotatingitcounterclockwise(Figure89).
Note:Loosenortightenthesinglepointadjustment
boltenoughtomovetheheight-of-cutplatemounting
boltsatleast1/3thelengthoftheavailabletravel
intheirslots.Thiswillregainsomeup-and-down
adjustmentoneachofthe4decklinks.
g017036
Figure89
1.Singlepointadjustmentbolt
14.Tightenthe2boltsatthebottomoftheheight-of-cut
plate(Figure88).Torquethemto37to45N-m(27
to33ft-lb).
Note:Inmostconditions,thebackbladetipshould
beadjusted6.4mm(1/4inch)higherthanthefront.
15.Onbothsidesofthedeck,measurefromthelevel
surfacetothebacktipoftheblade(PostionB).The
measurementshouldread8.3cm(3-1/4inches);refer
toFigure86.
16.Fine-tunetheadjusterscrewbyturningittoget8.3
mm(3-1/4inches)height(Figure87).
Toincreasetheheight,turntheadjustmentnut
clockwise;todecreasetheheight,turnthenut
counterclockwise.
17.Measureuntilall4sidesarethecorrectheight.Tighten
allthejamnutsonthedeck-liftarmassemblies.
18.Lowerthedischargechute.
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseason,because
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowthandincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagethe
blade-controlswitch(PTO),andsettheparkingbrake.Turn
theignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure90).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea(Figure
90).Ifyounoticeanydamage,wear,oraslotforming
inthisarea(Figure90),immediatelyinstallanewblade.
Figure90
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
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