Toro 74770 - Removing the Blades

g014973
Figure50
1.Oppositebladeedge(inpositionformeasuring)
2.Levelsurface
3.Secondmeasureddistancebetweenbladeandsurface(B)
A.IfthedifferencebetweenAandBisgreater
than3mm(1/8inch),replacethebladewith
anewblade;refertoRemovingtheBlades
(page38)andInstallingtheBlades(page
39).
Note:Ifabentbladeisreplacedwitha
newblade,andthedimensionobtained
continuestoexceed3mm(1/8inch),the
bladespindlecouldbebent.Contactan
AuthorizedServiceDealerforservice.
B.Ifthevarianceiswithinconstraints,moveto
thenextblade.
6.Repeatthisprocedureoneachblade.
RemovingtheBlades
Replacethebladesiftheyhitasolidobject,orifthe
bladeisoutofbalanceorbent.
1.Holdthebladeendusingaragorthicklypadded
glove.
2.Removethebladebolt,curvedwasher,and
bladefromthespindleshaft(Figure51).
g000551
Figure51
1.Sailareaoftheblade
4.Bladebolt
2.Blade
5.Bladestiffener
3.Curvedwasher
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatboth
endsoftheblade(Figure52).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting
edges.
g000552
Figure52
1.Sharpenatoriginalangle.
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure53).
Note:Ifthebladestaysinahorizontalposition,
thebladeisbalancedandcanbeused.
Note:Ifthebladeisnotbalanced,lesome
metalofftheendofthesailareaonly(Figure52).
38