Poulan Pro 191798 Owner's Manual page 20

SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 18)
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
MOW ER" 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 in side all
belt guides.
• Install mower in reverse order of removal instruc-
tions.
IDLER PULLEYS
MANDREL PULLEYS
FIG. 18
TO CHECK AND ADJUST BRAKE
(See Fig. 19)
Your tractor is equipped with an ad just able brake system
which is mounted on the right side of the transaxle.
If tractor requires more than fi ve (5) feet to stop at highest
speed in high est gear on a level, dry concrete or paved
surface, then brake must be checked and ad just ed.
TO CHECK BRAKE
• Park tractor on a level, dry concrete or paved surface,
depress clutch/brake pedal all the way down and en-
gage parking brake.
• Place gear shift lever in neutral (N) position.
The rear wheels must lock and skid when you try to manually
push the tractor forward. If the rear wheels rotate, the brake
needs to be adjusted or the pads need to be replaced.
TO ADJUST BRAKE
• Depress clutch/brake pedal all the way down and en-
gage parking brake.
• Measure distance between brake operating arm and
nut "A" on brake rod.
• If distance is other than 1-1/2", loos en jam nut and turn
nut "A" until dis tance becomes 1-1/2". Re tight en jam
nut against nut "A".
• Road test tractor for proper stopping distance as stated
above. Readjust if nec es sary. If stopping distance is
still greater than fi ve (5) feet in high est gear, further
main te nance is nec es sary. Replace brake pads or
contact a qualifi ed service center.
WITH PARKING BRAKE "ENGAGED"
1-1/2"
20
NUT "A"
JAM NUT
OPERATING ARM
FIG. 19