Toro Groundsmaster 4010-D - Mower Maintenance; Pivoting (Tilting) the Front Cutting Unit Upright; Adjusting the Cutting Unit Pitch; Measuring the Cutting Unit Pitch

MowerMaintenance
Pivoting(Tilting)theFront
CuttingUnitUpright
Note:Althoughnotneededfornormalmaintenance
procedures,thefrontcuttingunitcanbepivoted(tilted)toan
uprightposition.Shouldyoudesiretotiltthecuttingunit,
proceedasfollows:
1.Raisethefrontcuttingunitslightlyoffoftheoor,set
theparkingbrake,andstoptheengine.Removethe
ignitionkey.
2.Removethehairpincotterandclevispinsecuringthe
decktransportlatchtothelatchplate.Pivotlatch
towardrearofdeck.
3.Removethehairpincotterandclevispinsecuringthe
height-of-cutchainstotherearofthecuttingunit.
4.Starttheengine,slowlyraisethefrontcuttingunit,and
stoptheengine.Removetheignitionkey.
5.Graspthefrontofthecuttingunitandliftittoan
uprightposition.
6.Holdthecuttingunitupright,tthecableendoverthe
pinonthecuttingunitliftarmandsecureitwiththe
hairpincotter(
Figure77).
g020681
Figure77
1.Cable
2.Pin
PivotingtheFrontCuttingUnit
Down
1.Withthehelpofanotherperson,holdthecuttingunit
upright,removethehairpincottersecuringthecable
end,andremovethecablefromthepin.
2.Pivot(tilt)thecuttingunitdownward.
3.Storethecableundertheoperator'splatform.
4.Sitontheseat,starttheengine,andlowerthecutting
unituntilitisslightlyoffoftheoor.
5.Securetheheight-of-cutchainstotherearofthe
cuttingunit.
6.Pivottransportlatchupwardintopositionandsecure
withclevispinandcotterpin.
AdjustingtheCuttingUnit
Pitch
MeasuringtheCuttingUnitPitch
Cuttingunitpitchisthedifferenceinheight-of-cutfromthe
frontofthebladeplanetothebackofthebladeplane.Toro
recommendsabladepitchof8to11mm(5/16to7/16inch).
Thatisthebackofthebladeplaneis8to11mm(5/16to
7/16inch)higherthanthefront.
1.Positionthemachineonalevelsurfaceontheshop
oor.
2.Setthecuttingunittothedesiredheight-of-cut.
3.Rotate1bladesothatitpointsstraightforward.
4.Usingashortruler,measurefromtheoortothefront
tipoftheblade.Rotatethebladetiptotherearand
measurefromtheoortothetipoftheblade.
5.Subtractthefrontdimensionfromthereardimension
tocalculatethebladepitch.
AdjustingtheFrontCuttingUnit
1.Loosenthejamnutsonthetoporbottomofthe
height-of-cutchainU-bolt(Figure78).
2.Adjusttheothersetofnutstoraiseorlowertherearof
thecuttingunitandattainthecorrectcuttingunitpitch.
3.Tightenthejamnuts.
Figure78
1.Height-of-cutchain
2.U-bolt
AdjustingtheSideCuttingUnits
ServiceInterval:Every800hours
1.Removethetensioningcapfromthespindleshaftand
slidethespindleoutofthecastorarm(
Figure79).
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