Toro 30413 - Pivoting the Front Cutting Unit down; Adjusting the Cutting Unit Pitch

PivotingtheFrontCuttingUnit
Down
1.Slowlylowerwingcuttingunitsuntilthecenterof
gravityshiftsandthecentercuttingunitrotates
downward.
2.Sitontheseat,starttheengine,andlowerthecenter
cuttingunituntilitisslightlyoffoftheoor.
3.Securetheheight-of-cutchainstotherearofthe
cuttingunit.
4.Pivotdampersupwardintopositionandsecurewith
clevispinandcotterpin.
AdjustingtheCuttingUnit
Pitch
MeasuringtheCuttingUnitPitch
Cuttingunitpitchisthedifferenceinheight-of-cutfrom
thefrontofthebladeplanetothebackoftheblade
plane.Tororecommendsabladepitchof1/4inch(6
mm).Thatisthebackofthebladeplaneis1/4inch(6
mm)higherthanthefront.
1.Positionthemachineonalevelsurfaceontheshop
oor.
2.Setthecuttingunittothedesiredheight-of-cut.
3.Rotate1bladesothatitpointsstraightforward.
4.Usingashortruler,measurefromtheoortothe
fronttipoftheblade.Rotatethebladetiptotherear
andmeasurefromtheoortothetipoftheblade.
5.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
AdjustingtheFrontCuttingUnit
1.Loosenthejamnutsonthetoporbottomofthe
height-of-cutchainU-bolt(Figure76).
2.Adjusttheothersetofnutstoraiseorlowertherear
ofthecuttingunitandattainthecorrectcuttingunit
pitch.
3.Tightenthejamnuts.
Figure76
1.Height-of-cutchain
2.U-bolt
AdjustingtheWingCuttingUnits
1.Removethecapscrewsandnutssecuringthecastor
armtothecastorfork(Figure77).
2.Repositiontheshims,asrequired,toraiseorlower
thecastorwheeluntilthecuttingunithasthecorrect
pitch.
3.Installthecapscrewsandnuts.
Figure77
1.Castorwheel4.Shims
2.Tensioningcap5.Axlemountingholes
3.Spacers
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