Toro 74750 - Mower Maintenance: Blade Sharpening and Deck Leveling; Sharpening the Blades; Installing the Blades; Leveling the Mower Deck

G027833
Figure49
107cm(42-Inch)Decks
1.Sailareaoftheblade3.Curvedwasher
2.Blade4.Bladebolt
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothendsof
theblade(Figure50).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesameamount
ofmaterialisremovedfrombothcuttingedges.
Figure50
1.Sharpenatoriginalangle.
2.Checkthebalanceofthebladebyputtingitonablade
balancer(Figure51).
Note:Ifthebladestaysinahorizontalposition,the
bladeisbalanced,andcanbeused.
Note:Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(Figure50).
Figure51
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeisbalanced.
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure49).
Important:Thecurvedpartoftheblademustbe
pointingupwardtowardtheinsideofthemowerto
ensurepropercutting.
2.Installthebladestiffener(32-inchdecksonly),the
curvedwasher(cuppedsidetowardtheblade),andthe
bladebolt(Figure49).
3.Torquethebladeboltto47to88N•m(35to65ft-lb).
LevelingtheMowerDeck
Ensurethatthemowerdeckislevelanytimeyouinstallthe
mowerdeckorwhenyouseeanunevencutonyourlawn.
Checkthemowerdeckforbentbladespriortoleveling;
removeandreplaceanybentblades;refertotheCheckingfor
BentBlades(page36)beforecontinuing.
Levelthemowerdeckside-to-sidebeforeadjustingthe
front-to-rearslope.
Requirements:
•Themachinemustbeonalevelsurface.
•All4tiresmustbeproperlyinated;refertoChecking
theTirePressure(page35).
LevelingSide-to-Side
1.Parkthemachineonalevelsurfaceanddisengagethe
blade-controlswitch.
2.Movethemotion-controlleversoutwardtothePARK
position,shutofftheengine,removethekey,and
waitforallmovingpartstostopbeforeleavingthe
operatingposition.
3.Settheheight-of-cutlevertomiddleposition.
4.Carefullyrotatethebladessothattheyareallsideto
side(Figure52).
38