Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
CuttingUnitCharacteristics
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliesthe
adjustmentprocedureneededtodeliveroptimum
mowingperformance.Thepreciseadjustment
possiblewiththedualknob/bedbardesigngivesthe
necessarycontroltoprovideacontinualself-sharpening
action-thusmaintainingsharpcuttingedges,ensuring
goodquality-of-cut,andgreatlyreducingtheneedfor
routinebacklapping.
DailyAdjustmentsofCutting
Unit
Priortomowingeachday,orasrequired,eachcutting
unitmustbecheckedtoverifyproperbedknife-to-reel
contact.Thismustbeperformedeventhoughquality
ofcutisacceptable.
1.Lowerthecuttingunitsontoahardsurface,shutoff
theengine,andremovetheignitionkey.
2.Slowlyrotatethereelinareversedirection,
listeningforreel-to-bedknifecontact.Ifnocontact
isevident,turnthebedknifeadjustingknobs
clockwise,oneclickatatime,untillightcontactis
feltandheard.
Note:Theadjustmentknobshavedetents
correspondingto0.0007in.(0.018mm)bedknife
movementforeachindexedposition.
3.Ifexcessivecontactisfelt,turnthebedknife
adjustingknobscounterclockwise,oneclickat
atimeuntilnocontactisevident.Thenturn
thebedknifeadjustingknobsoneclickatatime
clockwise,untillightcontact
Important:Lightcontactispreferredatall
times.Iflightcontactisnotmaintained,
thebedknife/reeledgeswillnotsufciently
self-sharpenanddullcuttingedgeswillresult
afteraperiodofoperation.Ifexcessivecontact
ismaintained,bedknife/reelwearwillbe
accelerated,unevenwearcanresult,andquality
ofcutmaybeadverselyaffected.
Note:Asthereelbladescontinuetorunagainst
thebedknife,aslightburrwillappearonthefront
cuttingedgesurfacealongthefulllengthofthe
bedknife.Ifaleisoccasionallyrunacrossthe
frontedgetoremovethisburr,improvedcutting
canbeobtained.
Afterextendedrunning,aridgewilleventually
developatbothendsofthebedknife.Thesenotches
mustberoundedofforledushwiththecutting
edgeofthebedknifetoensuresmoothoperation
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