Replace Mower Blade Drive Belt; To Adjust Brake; To Replace Motion Drive Belt - Craftsman 917.255581 Owner's Manual

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SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 25)
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.
• 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.
WITH PARKING BRAKE "ENGAGED"
N_T "A"
NUT
'_ PERATING
ARM
FIG. 26
MANDREL IDLER
PULLEY PULLEYS
ENGINE PULLEY
MANDREL
PULLEY
FIG. 25
TO ADJUST BRAKE (See Fig. 26)
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". Retighten jam nut against nut-"A"_
• Engage parking brake and recheck distance.
• 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.
TO REPLACE MOTION DRIVE BELT (See
Fig. 27)
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.
IMPORTANT: REPLACE ONLY WITH BELT LISTED
IN THIS MANUAL.
FRAME
TRANSAXLE
PULLEY
CLUTCHIN(
STATIONARY
IDLER
ENGINE
PULLEY
FIG. 27
21