Operator's Manual

Note:Thelappingsolutionmustbekeptinfree
owingconditiontogetevendistributiononthe
bedknifeandreel.
Thelappingprocedureisasfollows:
1.Adjustthebedknifetothereelsothatlight
contactisevident.
2.Operatethelappingmachinesothatthereel
turnsinareversedirection.Applylapping
solutioncontinuouslyandmaintainlight
bedknife-to-reelcontact.
3.Stopthelappingmachineperiodicallytocheck
thecuttingsurfacesforsharpness.Continue
lappinguntilthesharpcuttingedgeshavebeen
restored.
Note:Ifthecuttingedgesareseverelyrounded,
bothsharpeningandlappingmayberequired.
4.Washoffallthelappingsolution.Usingpaper,
checkforsharpnessalongtheentirelengthof
eachreelblade.Ifthepapercannotbecut
cleanlyalongtheentirelengthofeachreel
blade,continuedlappingisnecessary.
ReplacingtheBedknife
1.Toreplacethebedknife,removethe11screws
holdingtheknifetothebedbar.
2.Removetherust,scale,andcorrosionfromthe
bedbarsurfaceandapplyathinlayerofoilto
thebedbarsurface.
3.Cleanthescrewthreads.
4.Applyanti-seizecompoundtothescrewsand
installthebedknifetothebedbarasfollows
(Figure18):
g282051
Figure18
1.Bedbar
3.Screw
2.Bedknife
A.Torquethe2outerscrewsto1N∙m(10
in-lb);refertoFigure19.
B.Workingformthecenterofthebedknife,
torquethescrewsto23to28N∙m(200to
250in-lb);refertoFigure19.
g282050
Figure19
1.Bedknifescrewtool
3.Torqueto23to28N∙m
(200to250in-lb).
2.Installandtorquethese
rstto1N∙m(10in-lb).
5.Truethebedknifeattachedtothebedbar
bygrinding.RefertotheToroManualfor
SharpeningReelandRotaryMowers,FormNo.
09168SL
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