Operator's Manual

4.Usingashortruler,measurefromtheoortothe
fronttipoftheblade.Rotatethebladetiptotherear
andmeasurefromtheoortothetipoftheblade.
5.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
6.Adjusttheshims,onthefrontorrearcastorarms,
toattaintherequiredcuttingunitpitch(Figure18).
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G018263
Figure18
1.Tensioningcap
4.CastorWheel
2.Shims
5.Axlemountingholes
3.“C”Shapedspacers
CorrectingCuttingUnit
Mismatch
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbeforeformal
cuttingisstarted.
1.Setthecuttingunittothedesiredheightofcut;
refertoAdjustingtheHeightofCut.
2.Checkandadjustfrontandreartractortirepressure
to20psi(138kPa).
3.Checkandadjustallcastortirepressuresto50psi
(345kPa).
4.Checkforbentblades;refertoCheckingforaBent
Blade.
5.Cutgrassinatestareatodetermineifallcutting
unitsarecuttingatthesameheight.
6.Ifcuttingunitadjustmentsarestillneeded,ndaat
surfaceusinga6foot(2m)orlongerstraightedge.
7.Toeasemeasuringbladeplane,raisetheheightof
cuttothehighestposition;refertoAdjustingthe
HeightofCut.
8.Lowerthecuttingunitontotheatsurface.Remove
thecoversfromthetopofthecuttingunits.
9.Rotatethebladeoneachspindleuntiltheendsface
forwardandbackward.
10.Measurefromtheoortothefronttipofthe
cuttingedge.
11.Adjusttheshimsonthecastorfork(s)tomatchthe
heightofcuttodecal;refertoAdjustingtheHeight
ofCut.
UsingtheSideDischarge
(Model31336only)
Themowerhasahingedgrassdeectorthatdisperses
clippingstothesideanddowntowardtheturf.
DANGER
Withoutagrassdeector,dischargecover,or
completegrasscatcherassemblymountedin
place,youandothersareexposedtobladecontact
andthrowndebris.Contactwithrotatingmower
blade(s)andthrowndebriswillcauseinjuryor
death.
•Neverremovethegrassdeectorfromthe
mowerbecausethegrassdeectorroutes
materialdowntowardtheturf.Ifthe
grassdeectoriseverdamaged,replaceit
immediately.
•Neverputyourhandsorfeetunderthemower.
•Nevertrytoclearthedischargeareaormower
bladesunlessyoumovethepowertakeoff
(bladecontrolswitch(PTO)totheoffposition,
rotatetheignitionkeytooffandremovethekey.
•Makesurethegrassdeectorisinthedown
position.
OperatingTips
MowWhenGrassisDry
Moweitherinthelatemorningtoavoidthedew,which
causesgrassclumping,orinlateafternoontoavoidthe
damagethatcanbecausedbydirectsunlightonthe
sensitive,freshlymowedgrass.
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