InspectingandSharpening
theCutting-UnitBlade(s)
Boththecuttingedgesandthesail,whichisthe
turned-upportionoppositeofthecuttingedge,
contributetoagoodqualityofcut.Thesaillifts
thegrassupstraight,therebyproducinganeven
cut.However,thesailgraduallywearsdownduring
operation,loweringthequalityofcuteventhoughthe
cuttingedgesaresharp.Thecuttingedgeoftheblade
mustbesharpsothatthegrassiscutratherthantorn.
Adullcuttingedgeleavesthetipsofthegrassbrown
andshredded.Sharpenthecuttingedgestocorrect
thiscondition.
1.Parkthemachineonalevelsurface,raisethe
cuttingunits,engagetheparkingbrake,putthe
tractionpedalinNEUTRAL,putthePTOlever
intheOFFposition,shutofftheengine,and
removethekey.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(Figure85).
Note:Becausesandandabrasivematerial
canwearawaythemetalthatconnectstheat
andcurvedpartsoftheblade,checktheblade
beforeusingthemachine.Ifyounoticewear,
(Figure85),replacetheblade.
g004653
Figure85
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
3.Examinethecuttingedgesofallthebladesand
sharpenthecuttingedgesiftheyaredullor
nicked(Figure86).
Note:Sharpenonlythetopofthecutting
edgeandmaintaintheoriginalcuttingangle
toensuresharpness(Figure86).Theblade
remainsbalancedifthesameamountofmetal
isremovedfrombothcuttingedges.
g000276
Figure86
1.Sharpenattheoriginalangle.
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