Dixon D20KH42, Operator'S Manual

22

SERVICE AND ADJUSTMENTS

•  If adjustment is necessary, see step in Visual Adjust-

ment instructions above.

• 

Recheck measurements, adjust if necessary until both 

sides are equal.

FRONT-TO-BACK ADJUSTMENT (See Figs. 30 & 31)

IMPORTANT:

 Deck must be level side-to-side.

To obtain the best cutting re sults, 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 heavy cloth.

•  Raise mower to highest position.
•  Position blade so the tip is pointing straight forward. 

Measure distance (B) to the ground at front and rear 

tip of the blade.

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 

appearance of your lawn and lead you to think the mower 

is not adjusted properly.
VISUAL SIDE-TO-SIDE ADJUSTMENT (See Fig. 28)
• 

With all tires properly inflated and if your lawn appears 

unevenly cut, determine which side of mower is cutting 

lower.

•  With a 3/4" or adjustable wrench, turn lift link adjust-

ment nut (A) to the left to lower LH side of mower, or, 

to the right to raise LH side of mower.

NOTE

: Each full turn of adjustment nut will change mower 

height about 3/16".
•  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 (See Fig. 29)
•  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.

•  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.

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.

02966

A

A

Fig. 29

• 

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 

mower.

Fig. 31

B

02950

A

TIGHTEN ADJUST 

NUT 

B

 TO RAISE 

MOWER

LOOSEN 

ADJUST NUT 

B

 TO LOWER 

MOWER

LOOSEN JAM NUT 

A

 FIRST

Fig. 28

02948

A

Turn nut left

to lower mower

Turn nut right

to raise mower

B

B

Fig. 30