Toro 03721 - Height-Of-Cut Chart Terms

3.Removethe2nutssecuringeachrollerbracketand
spacertoeachside-platemountingange.
4.Lowertherollerandscrewsfromtheside-plate
mountingangesandspacers.
5.Placethespacersontothescrewsontherollerbrackets.
6.Securetherollerbracketandspacerstotheunderside
oftheside-platemountingangeswiththenuts
previouslyremoved.
7.Verifythatthebedknife-to-reelcontactiscorrect.Tip
thecuttingunittoexposethefrontandrearrollersand
thebedknife.
Note:Thepositionoftherearrollertothereel
iscontrolledbythemachiningtolerancesofthe
assembledcomponentsandparallelingisnotrequired.
Alimitedamountofadjustmentispossiblebysetting
thecuttingunitonasurfaceplateandlooseningthe
side-platemountingbolts(Figure15).Adjustand
tightenbolts.Torquetheboltsto37to45N∙m(27
to33ft-lb).
g027167
Figure15
1.Side-platemountingbolts
Height-of-CutChartTerms
Height-of-CutSetting(HOC)
Thiscorrespondstothedesiredheightofcut.
Bench-SetHeightofCut
Thebench-setheightofcutistheheightatwhichthetop
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
Aggressivenessofcuthasasignicantimpactonthe
performanceofthecuttingunit.Aggressivenessofcutrefers
totheangleofthebedkniferelativetotheground(Figure16).
Thebestcuttingunitsetupisdependentonyourturf
conditionsanddesiredresults.Experiencewiththecutting
unitonyourturfwilldeterminethebestsettingtouse.
Aggressivenessofcutmaybeadjustedthroughoutthecutting
seasontoallowforvariousturfconditions.
Ingeneral,lesstonormalaggressivesettingsaremore
appropriateforwarm-seasongrasses(Bermuda,paspalum,
zoysia)whilecool-seasongrasses(bent,bluegrass,rye)may
requirenormaltomoreaggressivesetups.Moreaggressive
setupscutmoregrassoffbyallowingthespinningreeltopull
moregrassupintothebedknife.
g033976
Figure16
1.Rearspacers
3.Aggressivenessofcut
2.Side-platemountingange
RearSpacers
Thenumberofrearspacersdeterminestheaggressiveness
ofcutforthecuttingunit.Foragivenheightofcut,adding
spacersbelowtheside-platemountingangeincreasesthe
aggressivenessofthecuttingunit.Allcuttingunitsona
givenmachinemustbesettothesameaggressivenessofcut
(numberofrearspacers,PartNo.106-3925);otherwise,the
after-cutappearancecouldbenegativelyaffected(Figure16).
ChainLinks
Thelocationatwhichthelift-armchainisattacheddetermines
thepitchangleoftherearroller(Figure17).
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