Operator's Manual

Usethefollowingcharttodeterminewhichbedknifeis
bestsuitedforthedesiredheightofcut.
Bedknife/Height-of-CutChart
BedknifeBedknifeLip
Height
HeightofCut
EdgeMax®Low
HOC(Model03641)
5.6mm
(0.220inch)
6.4-12.7mm
(0.250-0.500inch)
LowHOC
(Optional)
5.6mm
(0.220inch)
6.4-12.7mm
(0.250-0.500inch)
Extended
EdgeMax®Low
HOC(Optional)
5.6mm
(0.220inch)
6.4-12.7mm
(0.250-0.500inch)
ExtendedLowHOC
(Optional)
5.6mm
(0.220inch)
6.4-12.7mm
(0.250-0.500inch)
EdgeMax®(Models
03638and03639)
6.9mm
(0.270inch)
9.5-38.1mm
(0.375-1.50inch)*
Standard(Optional)
6.9mm
(0.270inch)
9.5-38.1mm
(0.375-1.50inch)*
HeavyDuty
(Optional)
9.3mm
(0.370inch)
12.7-38.1mm
(0.500-1.50inch)
*WarmseasongrassesmayrequiretheLowHOCbedknifefor
12.7mm(0.500inches)andbelow.
Figure18
1.Bedknifelipheight
AdjustingtheTurfCompensation
Settings
Theturfcompensationspringtransferstheweightfromthe
fronttotherearroller.(Thishelpstoreduceawavepattern
intheturf,alsoknownasmarcellingorbobbing.)
Important:Makespringadjustmentswiththecutting
unitmountedtothetractionunit,pointingstraight
aheadandloweredtotheshopoor.
1.Makesurethatthehairpincotterisinstalledintherear
holeinthespringrod(Figure19).
Figure19
1.Turfcompensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthespringrod
untilthecompressedlengthofthespringis15.9cm
(6.25inches)(Figure19).
Note:Whenoperatingthemachineonroughterrain,
decreasethespringlengthby12.7mm(1/2inch).
Note:Theturfcompensationsettingwillneedtobe
resetiftheHOCsettingortheaggressiveness-of-cut
settingischanged.
CheckingandAdjustingtheCutting
Unit
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliestheadjustment
procedureneededtodeliveroptimummowingperformance.
Thepreciseadjustmentpossiblewiththedualknob/bedbar
designgivesthenecessarycontroltoprovideacontinual
self-sharpeningaction-thusmaintainingsharpcuttingedges,
ensuringgoodqualityofcut,andgreatlyreducingtheneed
forroutinebacklapping.
Priortomowingeachday,orasrequired,eachcuttingunit
mustbecheckedtoverifyproperbedknife-to-reelcontact.
Thismustbeperformedeventhoughqualityofcutis
acceptable.
1.Lowerthecuttingunitsontoahardsurface,shutoff
theengine,andremovetheignitionkey.
2.Slowlyrotatethereelinareversedirection,listening
forreel-to-bedknifecontact.
Ifnocontactisevident,turnthebedknifeadjustingknobs
clockwise,oneclickatatime,untillightcontactisfeltand
heard.
Thereelmustcutonesheetofpaper,wheninsertedataright
angletothebedknife,atbothendsandatthecenterofthe
reel;refertostep12andFigure10inAdjustingtheBedknife
totheReel(page7)
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