Toro TimeCutter MX 3450 74750 - Blade and Mower Deck Maintenance; Removing Mower Blades; Sharpening Mower Blades; Installing Mower Blades

RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalance,orthebladeisbent.Toensure
optimumperformanceandcontinuedsafetyconformance
ofthemachine,usegenuineTororeplacementblades.
Replacementbladesmadebyothermanufacturersmayresult
innon-conformancewithsafetystandards.
Holdthebladeendusingaragorthickly-paddedglove.
Removethebladebolt,curvedwasher,andbladefromthe
spindleshaft(Figure50).
G027833
Figure50
1.Sailareaofblade3.Curvedwasher
2.Blade4.Bladebolt
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothendsof
theblade(Figure51).Maintaintheoriginalangle.The
bladeretainsitsbalanceifthesameamountofmaterial
isremovedfrombothcuttingedges.
Figure51
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitonablade
balancer(Figure52).Ifthebladestaysinahorizontal
position,thebladeisbalancedandcanbeused.Ifthe
bladeisnotbalanced,lesomemetalofftheendof
thesailareaonly(Figure51).Repeatthisprocedure
untilthebladeisbalanced.
Figure52
1.Blade2.Balancer
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure50).
Important:Thecurvedpartoftheblademustbe
pointingupwardtowardtheinsideofthemowerto
ensurepropercutting.
2.Installthecurvedwasher(cuppedsidetowardthe
blade)andthebladebolt(Figure50).
3.Torquethebladeboltto47-88N-m(35-65ft-lb).
LevelingtheMowerDeck
Checktoensurethemowerdeckislevelanytimeyouinstall
themowerorwhenyouseeanunevencutonyourlawn.
Themowerdeckmustbecheckedforbentbladespriorto
leveling;anybentbladesmustberemovedandreplaced.Refer
toCheckingforBentBlades(page36)beforecontinuing.
Themowerdeckmustbeleveledside-to-siderstthenthe
fronttorearslopecanbeadjusted.
Requirements:
•Themachinemustbeonalevelsurface.
•Allfourtiremustbeproperlyinated.RefertoChecking
theTirePressure(page35).
LevelingSide-to-Side
1.Parkthemachineonalevelsurfaceanddisengagethe
bladecontrolswitch.
2.Movethemotioncontrolleversoutwardtothepark
position,stoptheengine,removethekey,andwaitfor
allmovingpartstostopbeforeleavingtheoperating
position.
3.Settheheight-of-cutlevertomiddleposition.
4.Carefullyrotatethebladessothattheyareallsideto
side(Figure53).
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