Poulan 190785 - Manual (Page 20)

20
SERVICE AND ADJUSTMENTS
FIG. 19
FIG. 18
38 42
02373
MANDREL
PULLEY
RETAINER
SPRING
R.H. SUSPENSION ARM
MANDREL
PULLEY
IDLER
PULLEYS
ENGINE
PULLEY
JAM NUT
WITH PARKING BRAKE “ENGAGED”
OPERATING ARM
NUT “A”
1-1/2"
00238
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.
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 -
• Place attachment clutch in “DIS EN GAGED” po si tion.
• Move at tach ment lift lever forward to lower mower to
its lowest position.
• Roll belt off engine pulley.
• Disconnect R.H. suspension arm from rear deck brack et
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-
tain er spring.
• Make sure belt is in all pulley grooves and inside all
belt guides.