To Replace Mower Blade Drive Belt; To Adjust Brake; To Replace Motion Drive Belt - Craftsman 917.255430 Owner's Manual

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SERVIC AND ADJUSTMENTS
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WITH PARKING BRAKE "ENGAGED"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 22)
The mower blade drive belt may be replaced without tools,
Park the tractor on Ievei surface. Engage parking brake.
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 puIiey grooves and inside all belt
guides
ENGINE PULLEY
MANDREL IDLER
PULLEY PULLEYS
/
MANDREL
PULLEY
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 dutch/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 parkina
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 s
still greater than six (6) feet in highest gear, further
maintenance is necessary. Contact your nearest au-
thorized service center
NUT "A =
JAM NUT
RATING
FIG, 23
TO REPLACE MOTION DRIVE BELT (See Fig.
24)
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 upper belt keeper
• Remove belt from stationary idter and clutching idter_
• Pull belt stack 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.
IMPORTANT: MAKE SURE UPPER BELT KEEPER IS
POSITIONED PROPERLY BETWEEN LOCATOR TABS.
PULLEY
CLUTCHING
IDLER
STATIONAR'_
IDLER
PULLEY
TABS
BELT
KEEPER
20 FIG. 24