Toro 74955 - Adjusting the Height-of-Cut Pin; Servicing the Cutting Blades

10.Ifneeded,loosenthewhizlocknutonthesideofthe
yokeandthejamnutontop.Finetunethescrew
adjusterbyturningittoget7.6mm(3inch)height(see
Figure87).
Toincreasetheheight,turntheadjusterscrew
clockwise;todecrease,turncounterclockwise.
Figure87
1.Whizlocknut3.Jamnut
2.Adjusterscrew4.Yoke
11.Ifthefrontdecklinksdonothaveenoughadjustment
toachieveaccuratecutheight,thesinglepoint
adjustmentcanbeutilizedtogainmoreadjustment.
12.Toadjustthesinglepointsystem,loosenthetwobolts
atthebottomoftheheightofcutplate.RefertoFigure
88.
Figure88
1.Boltsatthebottomoftheheight-of-cutplate
13.Ifthedeckistoolow,tightenthesinglepoint
adjustmentboltbyrotatingitclockwise.Ifthedeckis
toohigh,loosenthesinglepointadjustmentboltby
rotatingitcounterclockwise(Figure89).
Note:Loosenortightenthesinglepointadjustment
boltenoughtomovetheheight-of-cutplatemounting
boltsatleast1/3thelengthoftheavailabletravel
intheirslots.Thiswillregainsomeupanddown
adjustmentoneachofthefourdecklinks.
g017036
Figure89
1.Singlepointadjustmentbolt
14.Tightenthetwoboltsatthebottomoftheheightofcut
plate(Figure88).Torqueto37-45N-m(27-33ft-lb).
Note:Inmostconditions,thebackbladetipshould
beadjusted6.4mm(1/4inch)higherthanthefront.
15.Onbothsidesofthedeck,measurefromthelevel
surfacetothebacktipoftheblade(PostionB).The
measurementshouldread8.3cm(31/4inches)(Figure
86).
16.Finetunethescrewadjusterbyturningittoget8.3mm
(3–1/4inches)height(Figure87).
Toincreasetheheight,turntheadjustmentnut
clockwise;todecrease,turncounterclockwise.
17.Measureuntilallfoursidesarethecorrectheight.
Tightenallthenutsonthedeck-liftarmassemblies.
18.Lowerdischargechute.
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseasonbecause
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowthandincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
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