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SERVICE AND ADJUSTMENTS
PRECISION SIDE-TO-SIDE ADJUSTMENT
(See Fig. 23)
•
With all tires properly inflated, park tractor on level
ground or driveway.
I
CAUTION: Blades are sharp. Protect
[
your hands with gloves and/or wrap
I
blade with heavy cloth.
•
Raise mower to its highest position.
•
At both sides of mower, position blade at side and
measure the distance (A) from bottom edge of blade
to the ground. The distance should be the same on
both sides.
•
If adjustment is necessary, see steps in Visual Adjust-
ment instructions above.
•
Recheck measurements, adjust if necessary until both
sides are equal.
FIG. 23
FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25)
IMPORTANT: Deck must be level side-to-side.
To obtain the best cutting results, the mower blades should
be adjusted so the front tip is 1/8" to 1/2" lower than the
rear tip when the mower is in its highest position.
CAUTION: Blades are sharp. Protect your
[
hands with gloves and/or wrap blade with
I
heavy cloth.
•
Raise mower to highest position.
•
Position any blade sothe tip is pointing straight forward.
Measure distance (B) to the ground at front and rear
tip of the blade.
•
If front tip of blade is not 1/8" to 1/2" lower than the
rear tip, go to the front of tractor.
•
With an 11/16" or adjustable wrench, loosen jam nut
A several turns to clear adjustment nut B.
•
With a 3/4" or adjustable wrench, turn front link adjust-
ment nut (B) clockwise (tighten) to raise the front of
mower, or, counterclockwise (loosen) to lower the front
mowe r.
Tighten adjust nut
B to raise mower
Loosen adjust nut
B to lower mower
Loosen jam nut A first
FIG. 25
NOTE:
Each full turn of the adjustment nut will change
mower height about 1/8".
•
Recheck measurements, adjust if necessary until front
tip of blade is 1/8" to 1/2" lower than the rear tip.
•
Hold adjustment nut in position with wrench and tighten
jam nut securely against adjustment nut.
TO REPLACE
MOWER
DRIVE BELT
(See Fig. 26)
MOWER DRIVE BELT REMOVAL
•
Park tractor on a level surface. Engage parking
brake.
•
Lower attachment lift lever to its lowest position.
•
Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
•
Remove belt from electric clutch pulley (M), both mandrel
pulleys (R) and all idler pulleys (S).
MOWER DRIVE BELT INSTALLATION
•
Install belt around all mandrel pulleys (R) and around
idler pulleys (S) as shown.
•
Install belt onto electric clutch pulley (M).
IMPORTANT:
Check belt for proper routing in all mower
pulley grooves,
•
Raise attachment lift lever to highest position.
FIG. 24
20
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