Poulan Pro PO15538LT Operator's Manual page 18

SERVICE AND ADJUSTMENTS
SIDE-TO-SIDE ADJUSTMENT (See Figs. 15 and 16)
• Raise mower to its highest position.
• At the midpoint of both sides of mower, measure height
from bottom edge of mower to ground. Distance '_'
on both sides of mower should be the same or within
1/4" of each other.
• If adjustment is necessary, make adjustment on one
side of mower only.
• To raise one side of mower, tighten lift link adjustment
nut on that side.
• To lower one side of mower, loosen lift link adjustment
nut on that side.
NOTE: Each full turn of adjustment nut will change mower
height about 1/8".
• Recheck measurements after adjusting.
i BOTTOM _ r -] _ BOTTOM
EDGE OF / //_L_ _--_ / 1 1 EDGE OF
IMOWER TO I IiJ/_ :=t _:_!/J t MOWER TO
GROUND-
J I{c_Y• IL J_ _I
L /GROUND
i L
FIG. 15
NUT
FIG. 16
FRONT-TO-BACK ADJUSTMENT (See Figs. 17 and 18)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE
FOLLOWING FRONT-TO-BACKADJUSTMENT IS NECESSARY,
BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO
MOWER WILL STAY LEVEL SIDE-TO-SIDE.
To obtain the best cutting results, the mower housing should
be adjusted so that the front is approximately 1/8" to 1/2"
lower than the rear when the mower is in its highest position.
Check adjustment on right side of tractor. Measure distance
"D" directly in front and behind the mandrel at bottom edge
of mower housing as shown.
• Before making any necessary adjustments, check that
both front links are equal in length.
• If links are not equal in length, adjust one link to same
length as other link.
• To lower front of mower loosen nut "E" on both front
links an equal number of turns.
• When distance "D" is 1/8" to 1/2" lower at front than
rear, tighten nuts"F" against trunnion on both front links.
• To raise front of mower, loosen nut "F" from trunnion
on both front links. Tighten nut "E" on both front links
an equal number of turns. The two front links must
remain equal in length.
• When distance "D" is1/8" to 1/2" lower at front than rear,
tighten nut "F" against trunnion on both front links.
• Recheck side-to-side adjustment.
FIG. 17
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
NUT "F"_
TRUNNION
FRONT LINKS
NUT "E"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 19)
The mower blade drive belt may be replaced without tools.
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Place attachment clutch in "DISENGAGED" position.
• Move attachment lift lever forward to lower mower to
its lowest position.
• Roll belt off engine pulley.
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Work new belt around both mandrel pulleys and idler
pulleys.
• Install new belt into engine pulley groove.
• Make sure belt is inside the belt keeper at the idler and
on both sides of the wire belt keeper as shown.
IMPORTANT: CHECK BELT FOR PROPER ROUTING IN ALL
MOWER PULLEY GROOVES.
BELT KEEPER WIRE BELT KEEPER
MANDREL .... "" -
PULLEY
IDLER
PULLEYS
ENGINE
PULLEY
18
PULLEY
FIG. 19
TO CHECK BRAKE
If tractor requires more than five (5) feet to stop at highest
speed in highest gear on a level, dry concrete or paved
surface, then brake must be serviced.
You may also check brake by:
1. Park tractor on a level, dry concrete or paved surface,
depress clutch/brake pedal all the way down and en-
gage parking brake.