Hayter Mowers RZT420H User Manual download pdf (Page 36)

CutterDeckMaintenance

ServicingtheCuttingBlades

Maintainsharpbladesthroughoutthecuttingseason

becausesharpbladescutcleanlywithouttearingor

shreddingthegrassblades.Tearingandshreddingturns

grassbrownattheedges,whichslowsgrowthand

increasesthechanceofdisease.

Checkthecutterbladesdailyforsharpness,andforany

wearordamage.Filedownanynicksandsharpenthe

bladesasnecessary.Ifabladeisdamagedorworn,

replaceitimmediatelywithagenuineHayterreplacement

blade.Forconvenientsharpeningandreplacement,you

maywanttokeepextrabladesonhand.

Awornordamagedbladecanbreak,anda

pieceofthebladecouldbethrownintothe

operator’sorbystander’sarea,resultingin

seriouspersonalinjuryordeath.

•Inspectthebladeperiodicallyforwearor

damage.

•Replaceawornordamagedblade.

BeforeInspectingorServicingthe

Blades

Parkthemachineonalevelsurface,disengagetheblade

controlswitch,andmovethemotioncontrollevers

outwardtotheparkposition.Stoptheengineand

removethekey.

InspectingtheBlades

ServiceInterval:Beforeeachuseordaily—Checkthe

cuttingblades.

1.Inspectthecuttingedges(Figure45).Iftheedges

arenotsharporhavenicks,removeandsharpenthe

blades;refertoSharpeningtheBlades.

2.Inspecttheblades,especiallythecurvedarea

(Figure45).Ifyounoticeanydamage,wear,or

aslotforminginthisarea(item3inFigure45),

immediatelyinstallanewblade.

Figure45

1.Cuttingedge3.Wear/slotforming

2.Curvedarea

CheckingforBentBlades

1.Raisetheheight-of-cutlevertothetransport

position,cuttingheightpositionG(alsothe

4-1/2inch[115mm]).

2.Rotatethebladesuntiltheendsfaceforwardand

backward(Figure46).Measurefromalevelsurface

tothecuttingedge,positionA,oftheblades

(Figure46).Notethisdimension.

Figure46

3.Rotatetheoppositeendsofthebladesforward.

4.Measurefromalevelsurfacetothecuttingedgeof

thebladesatthesamepositionasinstep2.The

differencebetweenthedimensionsobtainedinsteps

2and3mustnotexceed1/8inch(3mm).Ifthis

dimensionexceeds1/8inch(3mm),thebladeis

bentandmustbereplaced.RefertoRemovingthe

BladesandInstallingtheBlades.

Note:Ifabentbladeisreplacedwithanewoneand

thedimensionobtainedcontinuetoexceed1/8inch

(3mm),thebladespindlecouldbebent.Contactan

AuthorizedHayterDealerforservice.

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