Poulan Pro PB22H54YT LAWN TRACTOR - Manual (Page 21)

21
SERVICE AND ADJUSTMENTS
02966
A A
02548
B B
• Go to side of mower you wish to adjust.
• With a 3/4" or adjustable wrench, turn lift link adjust-
ment nut (A) to the left to lower the mower, or, to the
right to raise the mower.
FRONT-TO-BACK ADJUSTMENT (See Figs. 30 and 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 any blade so the 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
mower.
02948
A
Turn nut left
to lower mower Turn nut right
to raise mower
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.
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 satisfi ed with the results.
PRECISION SIDE-TO-SIDE ADJUSTMENT
(See Fig. 29)
• With all tires properly infl ated, 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.
• If adjustment is necessary, see steps 2 and 3 in Visual
Adjustment instructions above.
• Recheck measurements, adjust if necessary until both
sides are equal.
FIG. 28
FIG. 29
FIG. 30
B
02950
Tighten adjust nut
B to raise mower Loosen adjust nut
B to lower mower
Loosen jam nut A fi rst
A
FIG. 31