ServicingtheCutting
Blades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,
youmaywanttokeepextrabladesonhand.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,and
disconnectthespark-plugwiresfromthespark
plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure86).
2.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblade;refertoSharpeningthe
Blades(page62).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming
inthisarea,immediatelyinstallanewblade
(Figure86).
g006530
Figure86
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
CheckingforBentBlades
Note:Themachinemustbeonalevelsurfacefor
thefollowingprocedure.
1.Raisethemowerdecktothehighest
height-of-cutposition.
2.Whilewearingthicklypaddedgloves,orother
adequatehandprotection,slowlyrotatethe
bladeintoapositionthatallowsyoutomeasure
thedistancebetweenthecuttingedgeandthe
levelsurfacethemachineison(Figure87).
g014972
Figure87
1.Deck3.Blade
2.Spindlehousing
3.Measurefromthetipofthebladetotheat
surface(Figure88).
g014973
Figure88
1.Blade(inpositionformeasuring)
2.Levelsurface
3.Measureddistancebetweenbladeandthesurface(A)
4.Rotatethesameblade180degreessothat
theopposingcuttingedgeisnowinthesame
position(Figure89).
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