Toro 74904 - Servicing the Cutting Blades

Thisregainssomeupanddownadjustmenton
eachofthe4decklinks.
g017036
Figure110
1.Single-pointadjustmentbolt
13.Tightenthe2boltsatthebottomofthe
height-of-cutplate(Figure108).
Note:Inmostconditions,thebackbladetip
shouldbeadjusted6.4mm(1/4inch)higher
thanthefront.
14.T orquethe2boltsto37to45N∙m(27to33ft-lb).
15.Onbothsidesofthedeck,measurefromthe
levelsurfacetothebacktipoftheblade(postion
B)asshowninFigure105.
Note:Themeasurementshouldread8.3cm
(3-1/4inches)
16.Finetunethescrewadjusterbyturningittoget
8.3mm(3-1/4inches)height(Figure107).
Toincreasetheheight,turntheadjustmentnut
clockwise;todecrease,turncounterclockwise.
17.Measureuntilall4sidesarethecorrectheight.
18.Tightenallofthenutsonthedeck-lift-arm
assemblies.
19.Forside-dischargemachines,lowerthe
dischargechute.
ServicingtheCutting
Blades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,
youmaywanttokeepextrabladesonhand.
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.Tryingto
repairadamagedblademayresultindiscontinued
safetycerticationoftheproduct.
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,and
disconnectthespark-plugwiresfromthespark
plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure111).
2.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblade;refertoServicingthe
CuttingBlades(page69).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming
inthisarea,immediatelyinstallanewblade
(Figure111).
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