Operator's Manual

Figure86
1.CuttingEdge3.Wear/slotForming
2.CurvedArea4.Crack
3.Examinethecuttingedgesofalloftheblades.Sharpen
thecuttingedgesiftheyaredullornicked.Sharpen
onlythetopofthecuttingedgeandmaintainthe
originalcuttingangletomakesureofsharpness
(Figure87).Thebladewillremainbalancedifthesame
amountofmetalisremovedfrombothcuttingedges.
DANGER
Ifthebladeisallowedtowear,aslotwillform
betweenthesailandatpartoftheblade.
Eventuallyapieceoftheblademaybreak
offandbethrownfromunderthehousing,
possiblyresultinginseriousinjurytoyouor
bystanders.
•Inspectthebladeperiodicallyforwearor
damage.
•Nevertrytostraightenabladethatisbent
orweldabrokenorcrackedblade.
•Replaceawornordamagedblade.
Figure87
1.Sharpenatoriginalangle
Note:Removethebladesandsharpenthemona
grinder.Aftersharpeningthecuttingedges,installthe
bladewiththeanti-scalpcupandbladebolt;referto
RemovingandInstallingtheCutterBlade(s).
CorrectingCuttingUnit
Mismatch
Ifthereismismatchbetweentheblades,onasinglecutting
unit,thegrasswillappearstreakedwhenitiscut.This
problemcanbecorrectedbymakingsurethatthebladesare
straightandallofthebladesarecuttingonthesameplane.
1.Usinga1meter(3foot)longcarpenterslevel,nda
levelsurfaceontheshopoor.
2.Raisetheheight-of-cuttothehighestposition;referto
AdjustingtheHeight-Of-Cut.
3.Lowerthecuttingunitontotheatsurface.Remove
thecoversfromthetopofthecuttingunit.
4.Loosentheangenutsecuringtheidlerpulleyto
releasethebelttension.
5.Rotatethebladesuntiltheendsfaceforwardand
backward.Measurefromtheoortothefronttipof
thecuttingedge.Rememberthisdimension.Then
rotatethesamebladesothattheoppositeendis
forward,andmeasureagain.Thedifferencebetween
thedimensionsmustnotexceed3mm(1/8inch).If
thedimensionexceeds3mm(1/8inch),replacethe
bladebecauseitisbent.Makesuretomeasureallof
theblades.
56