Toro 74418 - Adjusting the Front-to-Rear Mower Pitch

AdjustingtheFront-to-RearMower
Pitch
1.Positiontherightbladefront-to-rear(Figure62).
2.MeasuretherightbladeattheAlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(Figure62).
Figure62
1.Measureherefromblade
tohardsurface
2.MeasureatAandB
3.Recordthismeasurement.
4.MeasuretherightbladeattheBlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(Figure62).
5.Recordthismeasurement.
6.Themowerbladeshouldbea1/4to3/8inch
(6to10mm)loweratpositionAthanatposition
B(Figure62).Ifitisnotcorrect,proceedtothe
followingsteps.
Note:Bothofthefrontswivelsneedtobeadjusted
thesameamounttomaintainequalchaintension.
7.Loosenthefrontswiveljamnuts,atthefrontof
therightandleftswivels,approximatelya1/2inch
(13mm)(Figure61).
8.Adjusttheliftnutsonboththeleftandtheright
sideofthemachinetoachieve1/4to3/8inch
(6to10mm)lowerinfrontatAthanintherearat
B(Figure61).
9.Tightenbothswiveljamnutsagainstthefrontswivel
tolocktheheight.
10.Checktomakesurethereisequaltensiononthe
chainsandadjustagainifneeded.
AdjustingtheCompressionSpring
1.Raisethemowerliftlevertothetransportposition.
2.Checkthedistancebetweenthetwolargewashers,
itneedstobe11-1/8inches(28.2cm)for52inch
mowerdecksand10-1/2inches(26.7cm)for60
inchmowerdecks(Figure63).
3.Adjustthisdistance,bylooseningthespringjam
nutandturningthenutinfrontofeachspring
(Figure63).
Note:Turningthenutclockwisewillshortenthe
spring;counter-clockwisewilllengthenthespring.
4.Lockthenutintopositionbytighteningthespring
jamnut(Figure63).
Figure63
1.10-1/2inch(26.7cm)5.Swiveljamnut
2.Frontnut
6.Liftnut
3.Springjamnut
7.Frontsupportarm
4.Frontswivel8.Largewasher
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseason
becausesharpbladescutcleanlywithouttearingor
shreddingthegrassblades.Tearingandshreddingturns
grassbrownattheedges,whichslowsgrowthand
increasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,
replaceitimmediatelywithagenuineTororeplacement
blade.Forconvenientsharpeningandreplacement,you
maywanttokeepextrabladesonhand.
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