Operator's Manual

Extended
LowHOC
(Optional)
120–16405.6mm
(.220inch)
6.4-12.7mm
(.250-.500inch)
Extended
EdgeMax®
LowHOC
(Optional)
119–42805.6mm
(.220inch)
6.4-12.7mm
(.250-.500inch)
EdgeMax®
(Production)
108-90956.9mm
(.270inch)
9.5-38.1mm
(.375-1.50
inch)*
Standard
(Optional)
108-90966.9mm
(.270inch)
9.5-38.1mm
(.375-1.50
inch)*
HeavyDuty
(Optional)
110-40749.3mm
(.370inch)
12.7-38.1mm
(.500-1.50inch)
*WarmseasongrassesmayrequiretheLowHOC
bedknifefor12.7mm(.500inches)andbelow.
Figure19
1.BedknifeLipHeight*
CuttingUnitCharacteristics
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliestheadjustment
procedureneededtodeliveroptimummowingperformance.
Thepreciseadjustmentpossiblewiththedualknob/bedbar
designgivesthenecessarycontroltoprovideacontinual
self-sharpeningaction-thusmaintainingsharpcuttingedges,
ensuringgoodquality-of-cut,andgreatlyreducingtheneed
forroutinebacklapping.
DailyAdjustmentsofCuttingUnit
Priortomowingeachday,orasrequired,checkeachcutting
unittoverifyproperbedknife-to-reelcontact.Thismustbe
performedeventhoughthequalityofcutisacceptable.
1.Slowlyrotatethereelinareversedirection,listening
forreel-to-bedknifecontact.
Note:Theadjustmentknobshavedetents
correspondingto0.018mm(0.0007inch)bedknife
movementforeachindexedposition.Referto
AdjustingtheBedknifetotheReel.
2.Testthecuttingperformancebyinsertingalongstrip
ofcuttingperformancepaper(Toropartnumber
125-5610)betweenreelandbedknife,perpendicular
tothebedknife(Figure20).Slowlyrotatethereel
forward;itshouldcutthepaper.
Figure20
Note:Ifexcessivecontact/reeldragisevidentitwill
beeithernecessarytobacklap,refacethefrontofthe
bedknife,orregrindthecuttingunittoachievethe
sharpedgesneededforprecisioncutting(Refertothe
ToroManualforSharpeningReelandRotaryMowers,
FormNo.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,thechamfer(Figure21)willneedto
beregroundasitisonlydesignedtolast40%ofthe
bedknifelife.
Figure21
Note:Donotmakethelead-inchamfertoolargeas
itmaycauseturftufting.
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