Download Print this page

MTD 769-01645A Operator's Manual page 20

Automatic lawn tractor

Advertisement

Tract
Novor tte pt to
make any adjust:
merits while the
i
engine isrunning,
!
except where speci,
fled in the operator's
manual:
NOTE: Check the
tractor's tire pressure
i before performing
any deck leveling
adjustments. Refer to
Tires on page 26 for
information regarding
tire pressure.
Loosen
........... _ghten
\to lower deck
to raise deck/
k,,._.
.j
Figure 14
Front To Rear
Thefront of the cuttingdeck issupportedbya stabilizer
bar that canadjustedto levelthe deck from frontto rear.
Thefront of the deck shouldbe between1/4-inchand
3/8-inch lowerthanthe rear of the deck.Adjustif neces-
sary as follows:
1. With the tractorparkedon a firm,levelsurface,place
the deck liftleverin the top notch(highestposition)
and rotatethe blade nearestthe dischargechute so
that itis paraIMwith the tractor.
2. Measurethe distancefrom the front ofthe bladetip to
the groundand the rearof the blade tip to the ground.
Thefirst measurement t akenshouldbe between
1/4"and 3/8" less than thesecond measurement.
Determinethe approximate distancenecessaryfor
properadjustmentand proceed,if necessary,to the
next step.
3. Fromthe front of thetractor,loosen the hexlock nut
on eachend of thedeck hangerrod,and turnaway
from the inner hex nuts.See Figure14.
4. Tightenthe inner hex nutsfront againstthe front
hangerbracketto raisethe front of the deck;loosen
the hexnuts to lowerthe frontof the deck.
NOTE:Modelswith a 42-inchdeck haveonlyONEjam
nut, washer,and lock nut.
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:Checkthe tractor'stire pressurebeforeperform-
inganydeck levelingadjustments.Referto Tires on
page26 for information regardingtire pressure.
5. Retightenthe two lock nutsagainstthe inner hexnuts
whenproperadjustmentis achieved.
Side to Side
If the cuttingdeck appearsto be mowingunevenly,a side
to sideadjustmentcan be performed.Adjustif necessary
as follows:
1. With the tractorparkedon a firm,levelsurface,place
the deck lift leverin the top notch(highestposition)
and rotateboth bladesso that they are perpendicular
with the tractor.
2. Measurethe distancefrom the outsideof the left blade
tip to the groundand the distancefrom theoutside d
the rightblade tip to theground.Bothmeasurements
takenshouldbe equal. If they'renot, proceedto the
next step.
3. Loosen,butdo NOT remove,the hexcap screwon
the left deck hangerbracket.See Figure15.
4. Balancethe deck by usinga wrenchto turn the
adjustment g ear (foundimmediatelybehindthe hex
cap screwjust loosened)clockwise/upor counter-
clockwise/down. T hedeck is properlybalancedwhen
bothblade tip measurements takenearlierare equal.
5. Retightenthe hex capscrewon the left deck hanger
bracketwhenproperadjustmentis achieved.
20

Advertisement

loading

This manual is also suitable for:

601 series