Toro 74990 - Mower Deck Maintenance; Leveling the Mower Deck

MowerDeck
Maintenance
LevelingtheMowerDeck
SettinguptheMachine
Note:Ensurethatthemowerdeckisleveledbefore
matchingtheheightofcut(HOC).
1.Positionthemachineonaatsurface.
2.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheneutral-locked
positionandsettheparkingbrake.
3.Stoptheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
4.Checkthetirepressureofthedrivetires.If
needed,adjustthepressureto90kPa(13psi)
5.Positionthemowertothe76mm(3inch)
height-of-cutposition.
LevelingtheDeck
1.Positionthemoweronaatsurface.
2.Stopengine,waitforallmovingpartstostop,
andremovekey.Engageparkingbrake.
3.Checkthetirepressureinthedrivetires.Proper
inationpressurefortiresis90kPa(13psi).
Adjustifnecessary.
4.Positionthetransportlockinthelatching
position.
5.Pushthedeckliftpedalallthewayforwardand
thedeckwilllatchatthe14cm(5-1/2inch)
transportposition(Figure90).
g029840
Figure90
1.Deck-liftpedal
3.Transportlock
2.Height-of-cutpin
6.Inserttheheight-adjustmentpinintothe7.6cm
(3inch)cutting-heightposition.
7.Releasethetransportlockandallowthedeckto
lowertothecuttingheight.
8.Raisethedischargechute.
9.Onbothsidesofthedeck,measurefromthe
levelsurfacetothefronttipoftheblade(Postion
A).Themeasurementshouldread7.6mm(3
inches);refertoFigure91.
g009196
Figure91
1.7.6cm(3inches)atAis
correct
3.Measureherefromthe
bladetiptohardsurface
2.8.3cm(3-1/4inches)atB
iscorrect
4.MeasureatAandBon
bothsides
10.Ifneeded,loosentheangedlocknutontheside
oftheyokeandthejamnutontop.Fine-tune
theadjusterscrewbyturningittoget7.6mm(3
inch)height(Figure92).
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