Poulan 178085 - Manual (Page 20)

20
SERVICE AND ADJUSTMENTS
IDLER
PULLEYS
MANDREL
PULLEYS
FIG. 23
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
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.
TO ADJUST BRAKE (See Fig. 24)
Your tractor is equipped with an adjustable brake system
which is mounted on the right side of the transaxle.
If tractor requires more than six (6) feet stopping distance at
high speed in highest gear on a level dry concrete or paved
surface, then brake must be adjusted.
•
Depress clutch/brake pedal and engage parking brake.
• Measure distance between brake operating arm and nut
“A” on brake rod.
• If distance is other than 1-1/2", loosen jam nut and turn
nut “A” until distance becomes 1-1/2". Retighten jam nut
against nut “A”.
• Road test tractor for proper stopping distance as stated
above. Readjust if necessary. If stopping distance is
still greater than six (6) feet in highest gear, further
maintenance is necessary. Contact your nearest au-
thorized service center/department.
1-1/2"
JAM NUT
WITH PARKING BRAKE
“ENGAGED”
OPERATING
ARM
NUT
“A”
FIG. 24
FIG. 25
TRANSAXLE
PULLEY
STATIONARY
IDLER
CLUTCHING
IDLER
ENGINE
PULLEY
TO REPLACE MOTION DRIVE BELT
(See Fig. 25)
Park the tractor on level surface. Engage parking brake. For
assistance, there is a belt installation guide decal on bottom
side of left footrest.
•
Remove mower (See “TO REMOVE MOWER” in this
section of this manual.)
• Remove belt from stationary idler and clutching idler.
• Pull belt slack toward rear of tractor. Remove belt
upwards from transaxle pulley by deflecting belt keep-
ers.
• Pull belt toward front of tractor and remove downwards
from around engine pulley.
• Install new belt by reversing above procedure.