Toro 30366 - Adjusting the Cutting Unit Pitch; Correcting Cutting Unit Mismatch

Figure17
PositionC
Thisisthefullopenposition.Thesuggestedusefor
thispositionisasfollows.
•Useintall,densegrassmowingconditions.
•Useinwetconditions.
•Lowerstheenginepowerconsumption.
•Allowsincreasedgroundspeedinheavyconditions.
Figure18
AdjustingtheCuttingUnit
Pitch
Cuttingunitpitchisthedifferenceinheight-of-cut
fromthefrontofthebladeplanetothebackofthe
bladeplane.Tororecommendsabladepitchof1/4in.
(6mm).Thatisthebackofthebladeplaneis1/4in.(6
mm)higherthanthefront.
1.Positionthemachineonalevelsurfaceontheshop
oor.
2.Setthecuttingunittothedesiredheight-of-cut.
3.Rotate1bladesothatitpointsstraightforward.
4.Usingashortruler,measurefromtheoortothe
fronttipoftheblade.Rotatethebladetiptotherear
andmeasurefromtheoortothetipoftheblade.
5.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
6.Loosenthejamnutsonthebottomofthe
height-of-cutrods(
Figure19).
Figure19
1.Height-of-cut
2.Jamnut
7.Rotatetheheight-of-cutrodstoraiseorlowerthe
rearofthecuttingunitandattainthecorrectcutting
unitpitch.
8.Tightenthejamnuts.
CorrectingCuttingUnit
Mismatch
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbeforeformal
cuttingisstarted.
1.Setthecuttingunittothedesiredheightofcut;
refertoAdjustingtheHeightofCut.
2.Checkandadjustfrontandreartractortirepressure
to20psi(138kPa).
3.Checkandadjustallcastortirepressuresto50psi
(345kPa).
4.Checkforbentblades;refertoCheckingforaBent
Blade.
5.Cutgrassinatestareatodetermineifallcutting
unitsarecuttingatthesameheight.
6.Ifcuttingunitadjustmentsarestillneeded,ndaat
surfaceusinga6foot(2m)orlongerstraightedge.
7.Toeasemeasuringbladeplane,raisetheheightof
cuttothehighestposition;refertoAdjustingthe
HeightofCut.
8.Lowerthecuttingunitontotheatsurface.Remove
thecoversfromthetopofthecuttingunits.
9.Rotatethebladeoneachspindleuntiltheendsface
forwardandbackward.
10.Measurefromtheoortothefronttipofthe
cuttingedge.
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