Toro Groundsmaster 4100-D 30411 - Adjusting the Blade

Figure22
1.Skid
AdjustingtheCuttingUnitRollers
Thecuttingunitrollersshouldbemountedinthelower
positionwhenoperatinginheightofcutsgreaterthan
2-1/2inches(64mm)andinthehigherpositionwhen
operatinginheightofcutslowerthan2-1/2inches(64
mm).
1.Removetheboltandnutsecuringthegagewheelto
thecuttingunitbrackets(Figure23).
Figure23
1.Gagewheel
2.Aligntherollerandspacerwiththetopholesinthe
bracketsandsecurethemwiththeboltandnut.
AdjustingtheBlade
Toensureproperoperationofthecuttingunit,there
mustbe0.38-0.62inch(10-16mm)clearancebetween
thetipsofthewingandcentercuttingunitblades
(Figure24).
1.Raisecuttingunitsobladesarevisibleandblock
centerdecksectionsoitcannotfallaccidentally.
Wingdecksmustbehorizontaltocentercutting
unit.
2.Rotateacenterandadjoiningwingbladesothere
bladetipsarealigned.Measuredistancebetween
bladetips,distanceshouldbeapproximately
0.38-0.62inch(10-16mm)(Figure24).
Figure24
3.Toadjustdistance,locateadjusterboltonrearpivot
linkofcuttingunit(Figure25).Loosenjamnuton
adjusterbolt.Loosenortightenadjusterboltsuntil
0.38-0.62inch(10-16mm)clearanceisattained,
thentightenjamnut.
4.Repeatprocedureonoppositesideofcuttingdeck.
Figure25
1.Adjusterbolt2.Jamnut
CorrectingMismatchBetweenCutting
Units
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbeforeformal
cuttingisstarted.
1.Setallcuttingunitstothedesiredheightofcut;
refertoAdjustingtheHeightofCuttablein
Specications,page18.
2.Checkandadjustfrontandreartractortirepressure
to25-30psi(172-207kPa).
3.Checkandadjustallcastortirepressuresto50psi
(345kPa).
4.Checkchargeandcounterbalancepressures
withengineathighidleusingtestportsdened
inHydraulicSystemsTestPorts.Adjust
counterbalancesettingtobe230psi(1585kPa)
higherthanchargepressurereading.
5.Checkforbentblades;refertoCheckingforaBent
BladeprocedureinMowerMaintenance,page52.
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