To Level Mower Housing; To Replace Mower Blade Drive Belt - Poulan Pro PR1842STD Owner's Manual

SERVICE AND ADJUSTMENTS
TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See"PROD-
UCT SPECiFICATIONS"section of this manual). Iftires are
over or underinflated, you will not properly adjust your
mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 17 and 18)
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: Each full turn of adjustment nut will change mower
height about 1/8 °.
• Recheck measurements after adjusting. -
BOTTOM EDGE BOTTOM EDGE
OF MOWER OF MOWER
TO GROUND TO GROUND
g - o
FIG. 17
SUSPENSION ARM
LIFT LINK
NUT
FIG, 18
FRONT-TO-BACK ADJUSTMENT (See Figs. 19 and 20)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT 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" Iowerat frontthan 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. Thetwo front links must remain
equal in length.
• Whendistance"D"isl/8"tol/2"loweratfrontthanrear,
tighten nut =F" against trunnion on both front links.
Recheck side-to-side adjustment.
=.L
FIG. 19
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
NUT
FRONT LINKS
FIG. 20
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 21)
The mower blade drive belt may be replaced without tools.
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL
• Remove mower from tractor (See "TO REMOVE
MOWER" in this section of this manual).
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION
Install new belt in reverse order of removal.
Make sure belt is in all pulley grooves and inside all belt
guides.
• Install mower in reverse order of removal instructions.
20