Operator's Manual

Height-of-CutChartTerms
Height-of-CutSetting(HOC)
Thedesiredheight-of-cut.
BenchSetHeight-of-Cut
Thebenchsetheight-of-cutistheheightatwhichthetop
edgeofthebedknifeissetaboveaatlevelsurfacethat
contactsthebottomofboththefrontandrearroller.
EffectiveHeightofCut
Thisistheactualheightthatthegrasshasbeencut.Fora
givenbenchsetheight-of-cut,theactualheight-of-cutwill
varydependingonthetypeofgrass,timeofyear,turf,and
soilconditions.Thecuttingunitsetup(aggressivenessofcut,
rollers,bedknives,attachmentsinstalled,turfcompensation
settings,etc.)willalsoaffecttheeffectiveheightofcut.Check
theeffectiveheightofcutusingtheTurfEvaluator(Model
04399)regularlytodeterminethedesiredbenchsetheight
ofcut.
AggressivenessofCut
Aggressivenessofcuthasasignicantimpactonthe
performanceofthecuttingunit.Aggressivenessofcutrefers
totheangleofthebedkniferelativetotheground(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.106-3925),otherwisethe
after-cutappearancecouldbenegativelyaffected(Figure13).
ChainLinks
Thelocationatwhichtheliftarmchainisattacheddetermines
therearrollerpitchangle(Figure14).
Figure14
1.Liftchain
3.Bottomhole
2.U-backet
Groomer
Thesearetherecommendedheight-of-cutsettingswhena
groomerkitisinstalledonthecuttingunit.
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