Toro 31598 - Adjusting the Cutting Unit Pitch

Figure92
1.Heightofcutchain
3.Hairpincotter
2.Clevispin
4.Starttheengine,slowlyraisethefrontcuttingunit,
andstoptheengine.Removetheignitionkey.
5.Wedgea2x4betweentherearofthedeckandthe
machine(
Figure93).
Figure93
1.2x4
PivotingtheFrontCuttingUnit
Down
1.Withthehelpofanotherpersonholdingthefrontof
thecuttingunit,removethe2x4.
2.Sitontheseat,starttheengine,andlowerthecutting
unituntilitisslightlyoffoftheoor.
3.Securetheheight-of-cutchainstotherearofthe
cuttingunit.
4.Connectthedamperassemblyandsecureitwiththe
retainerclip.
AdjustingtheCuttingUnit
Pitch
MeasuringtheCuttingUnitPitch
Cuttingunitpitchisthedifferenceinheight-of-cutfrom
thefrontofthebladeplanetothebackoftheblade
plane.Tororecommendsabladepitchof.300inch(7.5
mm).Thatisthebackofthebladeplaneis.300inch
(7.5mm)higherthanthefront.
1.Positionthemachineonalevelsurfaceontheshop
oor.
2.Setthecuttingunittothedesiredheight-of-cut.
3.Makesurethewingletsareleveltothefrontdeck
andthefrontdeckislevelsidetoside.
AdjustingtheFrontCuttingUnit
1.Rotatethe2outerfrontbladesandthewingletblades
sothattheypointstraightforward(Figure94).
Figure94
1.Useoneoftheseblades
formeasuringthefront
bladeheight
2.Useoneoftheseblades
formeasuringtherear
bladeheight
2.Usingashortruler,measurefromtheoorto
thefronttipofthefrontbladeandrecordthis
dimension.
3.Measurefromtheoortothebacktipofthewinglet
bladeandrecordthisdimension.
4.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
5.Loosenthejamnutsonthetoporbottomofthe
height-of-cutchainU-bolt(
Figure95).
Note:Loosenortightentheheightofcutchain
nutsequallysothedeckremainslevelsidetoside.
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