Craftsman YT 4500, 917.28990 To Install Mower, To Level Mower, Visual SIDE-TO-SIDE Adjustment

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

;A

4.Ifadjustment 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.

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.

Turn nut	right	Turn nut	left
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. 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.

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. _ILCAUTION: 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 at front and rear tip of the blade.

*If fronttip 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 (ltighten) to raise the front of mower, or, counterclockwise (loosen) to lower the front mower.

Tighten adjust nut	Loosen adjust nut
B to raise mower	B to lower mower

25Loosen jam nut A first