Toro DH 220 - Blade Removal, Sharpening, and Installation; Mower Deck Removal and Reattachment

Important:Iftheshearpinsarebroken,the
mowerbeltmaybedamaged.Inspectthebelt;
refertoRemovingtheMower(page33).
RemovingtheBlades
1.Removethemower;refertoRemovingthe
Mower(page33).
2.Carefullytipthemowerover.
3.Removethebolts,washers,andblades(Figure
41).Wedgeablockofwoodbetweeneach
bladeandthemowertolockthebladewhenyou
areremovingeachbolt.
Note:Therightbladehasaleft-handthreaded
bolt.
4.Inspectallparts;replaceanythatarewornor
damaged.
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatboth
endsofeachblade(Figure42).
Note:Maintaintheoriginalangle.Theblade
retainsitsbalanceifyouremovethesame
amountofmaterialfrombothcuttingedges.
g000046
Figure42
1.Sharpenatoriginalangle
2.Checkthebalanceofeachbladebyputtingiton
abladebalancer(Figure43).
Note:Ifthebladestaysinahorizontalposition,
thebladeisbalancedandcanbeused.Ifthe
bladeisnotbalanced,lesomemetaloffthe
backsideoftheblade.Repeatthisstepuntil
eachbladeisbalanced.
g000047
Figure43
1.Blade2.Balancer
InstallingtheBlades
1.Installtheblades,washers,andbladebolts
(Figure41).
Important:Ensurethattherightandleft
bladesareinstalledintheproperpositions
withthebentedgesofthebladespointing
towardthetopofthemowertoensureproper
cutting.
2.Positiontheblades90degreestoeachother
(Figure44).
g014680
Figure44
3.Tightenthebladeboltsto37ft-lb(50N∙m).
RemovingtheMower
1.Parkthemachineonalevelsurface.
2.Disengagetheblades(PTO).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartsto
stop.
5.Removetheignitionkey.
6.Disconnectthewirefromthesparkplug.
7.Movetheheight-of-cutlevertothelowest
position.
8.Removethetunnel.
9.Pulltheidlerarmassemblyinwardandremove
theV-beltfromthepulley(Figure45).
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