Craftsman YS 4500 917.28990 - Manual (Page 25)

TO INSTALL MOWER
Follow procedure described in “INSTALL
MOWER AND DRIVE BELT” in the As­
sembly section of this manual.
TO LEVEL MOWER
Make sure tires are properly inflated to
the PSI shown on tires. If tires are over
or under inflated, it may affect the appear­
ance of your lawn and lead you to think
the mower is not adjusted properly.
VISUAL SIDE-TO-SIDE ADJUSTMENT
1. With all tires properly inflated and if your
lawn appears unevenly cut, determine
which side of mower is cutting lower.
NOTE: As desired, you can raise the low
side of mower or lower the high side.
2. Go to side of mower you wish to adjust.
3. With a 3/4" or adjustable wrench, turn
lift link adjustment nut (A) to the left
to lower the mower, or, to the right to
raise the mower.
to raise mower to lower mower
NOTE: Each full turn of adjustment nut will
change mower height about 3/16".
4. Test your adjustment by mowing some
uncut grass and visually checking the
appearance. Readjust, if necessary,
until you are satisfied with the results.
PRECISION SIDE-TO-SIDE
ADJUSTMENT
1. With all tires properly inflated, park
tractor on level ground or driveway.
A CAUTION: Blades are sharp. Protect
your hands with gloves and/or wrap blade
with heavy cloth.
2. Raise mower to its highest position.
3. 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.
4. If adjustment is necessary, see steps 2 and
3 in Visual Adjustment instructions above.
5. Recheck measurements, adjust if nec­
essary until both sides are equal.
FRONT-TO-BACK ADJUSTMENT
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.
A CAUTION: Blades are sharp. Protect
your hands with gloves and/or wrap blade
with heavy cloth.
• Raise mower to highest position.
• Position any blade so the tip is pointing
straight forward. Measure distance (B) to
the ground atfront and reartip 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 adjustment nut (B) clockwise
(Itighten) to raise the front of mower, or,
counterclockwise (loosen) to lower the
front mower.
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