Operator's Manual

HeightofCutChartTerms
HeightofCutSetting(HOC)
ThedesiredHeightofCut.
BenchSetHeightofCut
Theheightatwhichthetopedgeofthebedknifeissetabove
aatlevelsurfacethatcontactsthebottomofboththefront
andrearroller.
EffectiveHeightofCut
Thisistheactualheightthegrasshasbeencut.Foragiven
benchsetheightofcut,theactualheightofcutwillvary
dependingonthetypeofgrass,timeofyear,turfandsoil
conditions.Thecuttingunitsetup(aggressivenessofcut,
rollers,bedknives,attachmentsinstalled,turfcompensation
settings,etc.)willalsoaffecttheeffectiveheightofcut.Check
theeffectiveheightofcutusingtheTurfEvaluator,Model
04399regularlytodeterminethedesiredbenchsetheight
ofcut.
AggressivenessofCut
CuttingunitAggressivenessofCuthasasignicantimpact
ontheperformanceofthecuttingunit.Aggressivenessof
Cutreferstotheangleofthebedkniferelativetotheground
(Figure13).
Thebestcuttingunitsetupisdependentonyourturf
conditionsanddesiredresults.Experiencewiththecutting
unitonyourturfwilldeterminethebestsettingtouse.
Aggressivenessofcutmaybeadjustedthroughoutthecutting
seasontoallowforvariousturfconditions.
Ingeneral,lesstonormalaggressivesettingsaremore
appropriateforwarmseasongrasses(Bermuda,Paspalum,
Zoysia)whilecoolseasongrasses(Bent,Bluegrass,Rye)may
requirenormaltomoreaggressivesetups.Moreaggressive
setupscutmoregrassoffbyallowingthespinningreeltopull
moregrassupintothebedknife.
Figure13
1.Rearspacers
3.Aggressivenessofcut
2.Sideplatemountingange
RearSpacers
Thenumberofrearspacersdeterminestheaggressiveness
ofcutforthecuttingunit.Foragivenheightofcut,adding
spacers,belowthesideplatemountingange,increasesthe
aggressivenessofthecuttingunit.Allcuttingunitsona
givenmachinemustbesettothesameaggressivenessofcut
(Numberofrearspacers,partno.119–0626),otherwisethe
after-cutappearancecouldbenegativelyaffected(Figure13).
TurfCompensationSettings
Theturfcompensationspringtransferstheweightfromthe
fronttotherearroller.(Thishelpstoreduceawavepattern
intheturf,alsoknownasmarcellingorbobbing.)
Important:Makespringadjustmentswiththecutting
unitmountedtothetractionunit,pointingstraight
aheadandloweredtotheshopoor.
1.Makesurethehairpincotterisinstalledintherearhole
inthespringrod(Figure14).
Figure14
1.Turfcompensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthespringrod
untilthecompressedlengthofthespringis12.7cm(5
inches)(Figure14).
Note:Whenoperatingonroughterraindecreasethe
springlengthby1.3cm(1/2inch).Groundfollowing
willbeslightlydecreased.
Note:Theturfcompensationsettingwillneedtobe
resetiftheHOCsettingortheAggressivenessofCut
settingischanged.
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