MTD 769-01645A Lawn Mower User Manual


 
Tract
Novor tte ptto
make any adjust:
merits while the
i
engine isrunning,
!
exceptwhere speci,
fled in the operator's
manual:
NOTE:Check the
tractor's tire pressure
i beforeperforming
any deck leveling
adjustments.Referto
Tires on page 26 for
informationregarding
tire pressure.
Loosen........... _ghten
\to lower deck to raise deck/
k,,._. .j
Figure 14
Front To Rear
Thefrontofthe cuttingdeckissupportedbya stabilizer
barthatcanadjustedtolevelthe deckfromfrontto rear.
Thefrontofthe deckshouldbebetween1/4-inchand
3/8-inchlowerthantherearof thedeck.Adjustifneces-
saryasfollows:
1. Withthe tractorparkedona firm,levelsurface,place
thedeckliftleverinthetop notch(highestposition)
androtatethebladenearestthe dischargechuteso
thatitisparaIMwiththe tractor.
2. Measurethe distancefromthefrontofthe bladetip to
thegroundandthe rearofthebladetipto theground.
Thefirstmeasurementtakenshouldbebetween
1/4"and 3/8"lessthanthesecondmeasurement.
Determinetheapproximatedistancenecessaryfor
properadjustmentandproceed,ifnecessary,to the
nextstep.
3. Fromthefrontof thetractor,loosenthe hexlocknut
oneachendof thedeck hangerrod,andturnaway
fromtheinnerhexnuts.SeeFigure14.
4. Tightentheinnerhexnutsfrontagainstthe front
hangerbracketto raisethe frontofthedeck;loosen
thehexnutsto lowerthefrontofthe deck.
NOTE:Modelswitha 42-inchdeckhaveonlyONEjam
nut,washer,and locknut.
Figure 15
_ ARNING: Never attempt to
make any adjustments while
the engine is running, except
where specified in the operator's
manual.
Leveling the Deck
NOTE:Checkthetractor'stirepressurebeforeperform-
inganydeck levelingadjustments.Referto Tires on
page26 for informationregardingtirepressure.
5. Retightenthetwo locknutsagainsttheinnerhexnuts
whenproperadjustmentisachieved.
Side to Side
If the cuttingdeckappearsto bemowingunevenly,a side
tosideadjustmentcan beperformed.Adjustif necessary
asfollows:
1. Withthe tractorparkedona firm,levelsurface,place
thedecklift leverinthe topnotch(highestposition)
androtatebothbladessothattheyareperpendicular
withthetractor.
2. Measurethe distancefromtheoutsideof theleftblade
tipto thegroundandthedistancefromtheoutsided
therightbladetip totheground.Bothmeasurements
takenshouldbeequal.Ifthey'renot,proceedto the
nextstep.
3. Loosen,butdo NOTremove,thehexcapscrewon
theleftdeckhangerbracket.SeeFigure15.
4. Balancethe deckbyusingawrenchtoturn the
adjustmentgear (foundimmediatelybehindthe hex
capscrewjust loosened)clockwise/uporcounter-
clockwise/down.Thedeckis properlybalancedwhen
bothbladetipmeasurementstakenearlierareequal.
5. Retightenthehex capscrewontheleft deckhanger
bracketwhenproperadjustmentis achieved.
20