Craftsman 917.254531 Owner's Manual page 20

_111 ....... i .......
SERVICE AN
=:n,l,ll, ii, ii ,
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig, 22)
The mower blade drive belt may be replaced without
tools. Park the tractor on level surface. Engage parking
brake. For assistance, there is a belt installation guide
decal on the mower housing_
BELT REMOVAL
• Place attachment clutch in "DISENGAGED" position.
• Move attachment lift lever forward to lower mower to
its lowest position,
• Roll belt off engine pulley°
• Disconnect R.Ho suspension arm from rear deck
bracket by removing retainer spring.
• 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°
MANDREL R,H. SUSPENSION ARM ENGINE PULLEY
PULLEY
PULLEY
ADJUSTMENTS
WITH PARKING BRAKE "ENGAGED'
RETAINER
SPRING
MANDREL
PULLEY
FIG. 23
NUT "A"
JAM NUT
OPERATING
ARM
TO REPLACE MOTION DRIVE BELT (See
Fig. 24)
Park the tractor on level area° 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.
• Remove belt from engine pulley.
• Roll belt over top of transaxle pulley.
• Install new belt by reversing above procedure°
ONLY WITH BELT LISTED
FRAME
IMPORTANT: REPLACE
IN THtS MANUAL.
FIG. 22
TO ADJUST BRAKE (See Fig. 23)
Your unit is equipped with an adjustable brake system
which is mounted on the right side of the transaxle.
If unit 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", disengage parking
brake, loosen jam nut and turn nut "A" until distance
becomes 1-1/2'L Retighten jam nut against nut "A".
• Engage parking brake and recheck distance.
o Road test unit 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.
20
PULLEY
STATIONARY
IDLER
FIG. 24
CLUTCHING
IDLER
ENGINE
PULLEY