Toro 30696 - Installing the Blades; Adjusting the Blade Brake

Figure48
1.Blade
4.Spacer
2.Bladebolt5.Thinwasher
3.Curvedwasher
6.Nut
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure49).Maintaintheoriginalangle.
Thebladeretainsitsbalanceifthesameamountof
materialisremovedfrombothcuttingedges.
Figure49
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure50).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcanbe
used.Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(Figure50).Repeatthis
procedureuntilthebladeisbalanced.
Figure50
1.Blade2.Balancer
InstallingtheBlades
1.Placethebladeontotheboltandoverthecone
washer.Selectthepropernumberofspacer(s)for
theheight-of-cut,andslidetheboltintothespindle
(Figure48).
Important:Thecurvedpartoftheblademust
pointupwardtowardtheinsideofthemowerto
ensurepropercutting.
2.Installtheremainingspacer(s)andsecurethemwith
athinwasherandanut(Fig.Figure48).
3.Torquethebladeboltto75-80ft-lb(101-108N⋅m).
AdjustingtheBladeBrake
1.DisengagethePTO,turntheignitionkeytooff,and
removethekey.
2.Waitforallmovingpartstostopbeforeleavingthe
operatingpositionandthensettheparkingbrakes.
3.Ifnecessary,adjustthespringmountingboltssothat
thebladebrakepadrubsagainstbothsidesofthe
pulleygroove(Figure51).
4.Adjustthenutattheendofthebladebrakeroduntil
thereis1/8-3/16inch(3mm–5mm)betweenthe
nutandspacer(Figure51).
5.Engagetheblades.Ensurethebladebrakepadno
longercontactsthepulleygroove.
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