Operator's Manual

HeightofCutChartTerms
HeightofCutSetting(HOC)
Thedesiredheightofcut.
BenchSetHeightofCut
Thebenchsetheightofcutistheheightatwhichthetop
edgeofthebedknifeissetaboveaatlevelsurfacethat
contactsthebottomofboththefrontandrearroller.
EffectiveHeightofCut
Thisistheactualheightthatthegrasshasbeencut.Fora
givenbenchsetheightofcut,theactualheightofcutwill
varydependingonthetypeofgrass,timeofyear,turf,and
soilconditions.Thecuttingunitsetup(aggressivenessofcut,
rollers,bedknives,attachmentsinstalled,turfcompensation
settings,etc.)willalsoaffecttheeffectiveheightofcut.Check
theeffectiveheightofcutusingtheTurfEvaluator,Model
04399,regularlytodeterminethedesiredbenchsetheight
ofcut.
AggressivenessofCut
Cuttingunitaggressivenessofcuthasasignicantimpact
ontheperformanceofthecuttingunit.Aggressivenessof
Cutreferstotheangleofthebedkniferelativetotheground
(Figure14).
Thebestcuttingunitsetupisdependentonyourturf
conditionsanddesiredresults.Experiencewiththecutting
unitonyourturfwilldeterminethebestsettingtouse.
Aggressivenessofcutmaybeadjustedthroughoutthecutting
seasontoallowforvariousturfconditions.
Ingeneral,lesstonormalaggressivesettingsaremore
appropriateforwarmseasongrasses(Bermuda,paspalum,
zoysia)whilecoolseasongrasses(bent,bluegrass,rye)may
requirenormaltomoreaggressivesetups.Moreaggressive
setupscutmoregrassoffbyallowingthespinningreeltopull
moregrassupintothebedknife.
Figure14
1.Rearspacers
3.Aggressivenessofcut
2.Sideplatemountingange
TurfCompensationSettings
Theturfcompensationspringtransferstheweightfromthe
fronttotherearroller.(Thishelpstoreduceawavepattern
intheturf,alsoknownasmarcellingorbobbing.)
Important:Makespringadjustmentswiththecutting
unitmountedtothetractionunit,pointingstraight
aheadandloweredtotheshopoor.
1.Makesurethatthehairpincotterisinstalledintherear
holeinthespringrod(Figure15).
Figure15
1.Turfcompensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthespringrod
untilthecompressedlengthofthespringis15.9cm
(6.25inches)(Figure15).
Note:Whenoperatingthemachineonroughterrain,
decreasethespringlengthby12.7mm(1/2inch).
Note:Theturfcompensationsettingwillneedtobe
resetiftheHOCsettingortheaggressivenessofcut
settingischanged.
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