Operator's Manual

6.Re-securerollerbracketandspacerstounderside
ofsideplatemountingangeswithnutspreviously
removed.
7.Verifythatbedknifetoreelcontactiscorrect.Tip
mowertoexposefrontandrearrollersandbedknife.
Note:Thepositionoftherearrollertothe
reeliscontrolledbythemachiningtolerances
oftheassembledcomponentsandparallelingis
notrequired.Alimitedamountofadjustmentis
possiblebysettingthecuttingunitonasurface
plateandlooseningthesideplatemountingcap
screws(
Figure14).Adjustandretightencapscrews.
Torquethecapscrewsto27-33ft-lb(37-45N-m).
Figure14
1.Sideplatemountingcapscrews
HeightofCutChartTerms
HeightofCutSetting(HOC)
ThedesiredHeightofCut.
BenchSetHeightofCut
Theheightatwhichthetopedgeofthebedknifeisset
aboveaatlevelsurfacethatcontactsthebottomof
boththefrontandrearroller.
EffectiveHeightofCut
Thisistheactualheightthegrasshasbeencut.For
agivenbenchsetheightofcut,theactualheightof
cutwillvarydependingonthetypeofgrass,timeof
year,turfandsoilconditions.Thecuttingunitsetup
(aggressivenessofcut,rollers,bedknives,attachments
installed,turfcompensationsettings,etc.)willalso
affecttheeffectiveheightofcut.Checktheeffective
heightofcutusingtheTurfEvaluator,Model04399
regularlytodeterminethedesiredbenchsetheightof
cut.
AggressivenessofCut
CuttingunitAggressivenessofCuthasasignicant
impactontheperformanceofthecuttingunit.
AggressivenessofCutreferstotheangleofthe
bedkniferelativetotheground(Figure15).
Thebestcuttingunitsetupisdependentonyour
turfconditionsanddesiredresults.Experiencewith
thecuttingunitonyourturfwilldeterminethebest
settingtouse.Aggressivenessofcutmaybeadjusted
throughoutthecuttingseasontoallowforvariousturf
conditions.
Ingeneral,lesstonormalaggressivesettingsare
moreappropriateforwarmseasongrasses(Bermuda,
Paspalum,Zoysia)whilecoolseasongrasses(Bent,
Bluegrass,Rye)mayrequirenormaltomoreaggressive
setups.Moreaggressivesetupscutmoregrassoffby
allowingthespinningreeltopullmoregrassupinto
thebedknife.
Figure15
1.Rearspacers
3.Aggressivenessofcut
2.Sideplatemountingange
RearSpacers
Thenumberofrearspacersdeterminesthe
aggressivenessofcutforthecuttingunit.Foragiven
heightofcut,addingspacers,belowthesideplate
mountingange,increasestheaggressivenessofthe
cuttingunit.Allcuttingunitsonagivenmachinemust
besettothesameaggressivenessofcut(Numberof
rearspacers,partno.106-3925),otherwisetheafter-cut
appearancecouldbenegativelyaffected(
Figure15).
TurfCompensationSettings
Theturfcompensationspringtransferstheweight
fromthefronttotherearroller.(Thishelpstoreduce
awavepatternintheturf,alsoknownasmarcellingor
bobbing.)
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