Service Manual
Adjustments
DPACuttingUnitCharacteristics
CAUTION
Neverinstallorworkonornearacuttingunitorcuttingunit
suspensionwiththeenginerunning.Alwaysstoptheengineand
removethekeybeforeworkingonornearacuttingunit.
Thedualpointadjust(DPA)bedknife-to-reeladjustmentsystemincorporatedin
thiscuttingunitsimpliestheadjustmentprocedureneededtodeliveroptimum
mowingperformance.Thepreciseadjustmentpossiblewiththisdesigngives
thenecessarycontroltoprovideacontinualself-sharpeningaction.Thisfeature
maintainssharpcuttingedges,assuresgoodqualityofcutandgreatlyreduces
theneedforroutinebacklapping.Inaddition,therearrollerpositioningsystem
allowsforvariousheight-of-cutrangesandaggressivenessofcutselections.
Ifacuttingunitisdeterminedtobeoutofadjustment,completethefollowing
proceduresinthespeciedordertoadjustthecuttingunitproperly.
1.Adjustthebedknifetoreelcontact;refertotheCuttingUnitOperator’s
Manual.
Note:Ifoneofthecuttingunitsideplatesisremovedduringcuttingunit
serviceormaintenance,checktomakesuretherearrollerislevel(parallel
tothereel)beforeadjustingtherearroller;refertoLevelingtheRearRoller
(page7–8).
2.Determinedesiredheight-of-cutrangeandadjusttherearrolleraccordingly;
refertotheCuttingUnitOperator’sManual.
3.Adjusttheheight-of-cut;refertotheCuttingUnitOperator’sManual.
4.Adjustthecut-offbar;refertotheCuttingUnitOperator’sManual
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DPACuttingUnits:Adjustments
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