Poulan 159759 - Manual (Page 23)

SERVICE AND ADJUSTMENTS
• Check primary idler arm and two idlers to see that they
rotate freely.
MOWER DRIVE BELT INSTALLATION (See Fig. 23) -
• Install belt in both idlers. Make sure belt is in both belt
keepers at the idlers as shown.
• Install new belt onto engine pulley.
• Roll belt into upper groove of L.H. mandrel pulley.
• Carefully check belt routing making sure belt is in the
grooves correctly and Inside belt keepers.
• Reassemble L.H. mandrel cover.
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 24)
Park the tractor on level surface. Engage parking brake.
• Remove mowerdrive belt (See ‘TO REPLACE MOWER
DRIVE BELT” in this section of this manual).
• Remove mower (See “TO REMOVE MOWER” in this
section of this manual).
• Remove four screws from R.H. mandrel cover and
remove cover.
• Carefully roll belt off R.H. mandrel pulley.
• Remove belt from center mandrel pulley, Idler pulley,
and L.H. mandrel pulley.
• Remove any dirt or grass which may have accumu­
lated around mandrels and entire upper deck surface.
• Check secondary idler arm and Idler to see that they
rotate freely.
• Be sure spring is hooked in secondary idler arm and
sway-bar bracket.
• Install new belt in lower groove of L.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.
• Roll belt over R.H. mandrel pulley. Make sure belt Is in
all grooves properly.
• Reconnect secondary clutch rod to pivot rod with
retainer spring.
• Reinstall R.H. mandrel cover.
Reinstall mower to tractor (See “INSTALL MOWER
AND DRIVE BELT” in the Assembly section of this
manual).
Reassemble mower drive belt (See “TO REPLACE
TO ADJUST BRAKE (See Fig. 25)
Your tractor is equipped with an adjustable brake system
which is mounted on the side of the transaxle.
If tractor requires more than six (6) feet stopping distance
at high speed in highest gear, 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 tractorfor 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.
WITH PARKING BRAKE “ENGAGED”
DO NOT TOUCH THIS NUT. IF FURTHER
BRAKE ADJUSTMENT IS NECESSARY
CONTACT YOUR
NEARE’ST AUTHORIZED
SERVICE CENTER/DEPARTMENT
23
FIG. 25