Operator's Manual
AdjustingtheRearRoller
1.Adjusttherearrollerbrackets(Figure13)tothedesired
heightofcutrangebypositioningtherequiredamount
ofspacersbelowthesideplatemountingange(Figure
13)pertheHOCChart.
Figure13
1.Spacer3.Sideplatemountingange
2.Rollerbracket
2.Raiserearofcuttingunitandplaceablockunder
bedknife.
3.Remove(2)nutssecuringeachrollerbracketandspacer
toeachsideplatemountingange.
4.Lowerrollerandscrewsfromsideplatemounting
angesandspacers.
5.Placespacersontoscrewsonrollerbrackets.
6.Re-securerollerbracketandspacerstounderside
ofsideplatemountingangeswithnutspreviously
removed.
7.Verifythatbedknifetoreelcontactiscorrect.Tip
mowertoexposefrontandrearrollersandbedknife.
Note:Thepositionoftherearrollertothereel
iscontrolledbythemachiningtolerancesofthe
assembledcomponentsandparallelingisnotrequired.
Alimitedamountofadjustmentispossiblebysetting
thecuttingunitonasurfaceplateandlooseningthe
sideplatemountingcapscrews(Figure14).Adjustand
retightencapscrews.Torquethecapscrewsto37-45
N-m(27-33ft-lb).
g020698
Figure14
1.Sideplatemountingcapscrews
Height-of-CutChartTerms
Height-of-CutSetting(HOC)
ThedesiredHeightofCut.
BenchSetHeight-of-Cut
Theheightatwhichthetopedgeofthebedknifeissetabove
aatlevelsurfacethatcontactsthebottomofboththefront
andrearroller.
EffectiveHeight-of-Cut
Thisistheactualheightthegrasshasbeencut.Foragiven
benchsetheightofcut,theactualheightofcutwillvary
dependingonthetypeofgrass,timeofyear,turfandsoil
conditions.Thecuttingunitsetup(aggressivenessofcut,
rollers,bedknives,attachmentsinstalled,turfcompensation
settings,etc.)willalsoaffecttheeffectiveheightofcut.Check
theeffectiveheightofcutusingtheTurfEvaluator,Model
04399regularlytodeterminethedesiredbenchsetheight
ofcut.
AggressivenessofCut
CuttingunitAggressivenessofCuthasasignicantimpact
ontheperformanceofthecuttingunit.Aggressivenessof
Cutreferstotheangleofthebedkniferelativetotheground
(Figure15).
Thebestcuttingunitsetupisdependentonyourturf
conditionsanddesiredresults.Experiencewiththecutting
unitonyourturfwilldeterminethebestsettingtouse.
Aggressivenessofcutmaybeadjustedthroughoutthecutting
seasontoallowforvariousturfconditions.
Ingeneral,lesstonormalaggressivesettingsaremore
appropriateforwarmseasongrasses(Bermuda,Paspalum,
Zoysia)whilecoolseasongrasses(Bent,Bluegrass,Rye)may
requirenormaltomoreaggressivesetups.Moreaggressive
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