Operator's Manual

CheckingandAdjustingtheCutting
Unit
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliestheadjustment
procedureneededtodeliveroptimummowingperformance.
Thepreciseadjustmentpossiblewiththedualknob/bedbar
designgivesthenecessarycontroltoprovideacontinual
self-sharpeningaction-thusmaintainingsharpcuttingedges,
ensuringgoodqualityofcut,andgreatlyreducingtheneed
forroutinebacklapping.
Priortomowingeachday,orasrequired,checkeachcutting
unittoverifyproperbedknife-to-reelcontact.Thismustbe
performedeventhoughthequalityofcutisacceptable.
1.Slowlyrotatethereelinareversedirection,listening
forreel-to-bedknifecontact.
Note:Theadjustmentknobshavedetents
correspondingto0.018mm(0.0007inch)bedknife
movementforeachindexedposition.Referto
AdjustingtheBedknifetotheReel(page6).
2.Testthecuttingperformancebyinsertingalongstrip
ofcuttingperformancepaper(ToroPart125-5610)
betweenreelandbedknife,perpendiculartothe
bedknife(Figure20).Slowlyrotatethereelforward;it
shouldcutthepaper.
Figure20
Note:Ifexcessivecontact/reeldragisevidentitwill
beeithernecessarytobacklap,refacethefrontofthe
bedknife,orgrindthecuttingunittoachievethesharp
edgesneededforprecisioncutting(refertotheToro
ManualforSharpeningReelandRotaryMowers,Form
No.09168SL).
Important:Lightcontactispreferredatalltimes.
Ifyoudonotmaintainlightcontact,thebedknife
andreeledgeswillnotsufcientlyself-sharpen
andwilldullafteraperiodofoperation.Ifyou
maintainexcessivecontact,thebedknifeandreel
willwearquicker,wearunevenly,andthequality
ofcutmaybeadverselyaffected.
Note:Afterextendedrunning,aridgewilleventually
developatbothendsofthebedknife.Roundoffor
lethesenotchesushwiththecuttingedgeofthe
bedknifetoensuresmoothoperation.
Note:Overtime,youwillneedtogrindthechamfer
(Figure21),asitisonlydesignedtolast40%ofthe
bedknifelife.
Figure21
1.Lead-inchamferonright
endofbedknife
3.1.5mm(0.060inch)
2.6mm(0.25inch)
Note:Donotmakethelead-inchamfertoolargeas
itmaycauseturftufting.
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