Poulan Pro PC1538D Owner's Manual page 20

SERVICE AND ADJUSTMENTS
TO LEVEL MOWER HOUSING
rear, tighten nuts "F" against trunnion on both front
links.
Adjust the mower while tractor is parked on level ground
or driveway. Make sure tiros are properly inflated (See
"PRODUCT SPECIFICATIONS" section of this manual). If
tires are over or underinflated, you will not properly adjust
your mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 16 and 17)
• Raise mower to its highest position.
At the midpoint of both sides of mower, measure height
from bottom edge of mower to ground. Distance "A"
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: Three full turnsof adjustment nutwill change mower
height about 1/8".
• Recheck measurements after adjusting.
BOTTOM EDGE OF BOTTOM EDGE
MOWER _ OF MOWER
TO GR_OUND
N. GROUND LINE-"---------
FIG. 16
FT LINK
li_=_0 _/A OJUST ME N'I"
' _ NUT
FIG. 17
FRONT-TO-BACK ADJUSTMENT (See Figs. 18 and 19)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IFTHE
FOLLOWING FRONT-TO-BACK ADJ USTM ENT 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 roar when the mower is in its high-
est 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 20
To raise front of mower, loosen nut"F" from trunnionon
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" is 1/8" to 1/2" lower at front than rear,
tighten nut "F" against trunnion on both front links.
Recheck side-to-side adjustment.
MANDREL
FIG. 18
BOTH FRONT LINKS MUST BE EQUALIN LENGTH
NUT "F"_
TRUNNION _ NUT "E"
FRONT LIN KS_
FIG. 19
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 20)
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,
• Disconnect R.H.suspension arm from roar deck bracket
by removing retainer spring.
• 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 grove.
• Reconnect R.H. suspension arm and secure with re-
tainer spring.
• Make sure belt is in all pulley grooves and inside all
belt guides.