Toro Groundsmaster 4100-D - Pivoting the Front Cutting Unit down; Adjusting the Cutting Unit Pitch

4.Starttheengineandslowlyraisethecentercutting
unit.
5.Slowlyraiseeachwingcuttinguntilthecenterof
gravityshiftsandthedeckstartstorotateintothe
uprightposition.Stoptheengineandremovethe
ignitionkey.
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(Figure79).
2.Adjusttheothersetofnutstoraiseorlowertherear
ofthecuttingunitandattainthecorrectcuttingunit
pitch.
3.Tightenthejamnuts.
Figure79
1.Height-of-cutchain
2.U-bolt
AdjustingtheWingCuttingUnits
1.Removethecapscrewsandnutssecuringthecastor
armtothecastorfork(Figure80).
2.Repositiontheshims,asrequired,toraiseorlower
thecastorwheeluntilthecuttingunithasthecorrect
pitch.
3.Installthecapscrewsandnuts.
Figure80
1.Castorarm3.Castorfork
2.Shims
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