Craftsman 917.255160 Owner's Manual page 20

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 -
o Place attachment clutch in "DISENGAGED" position.
o Move attachment lift lever forward to lower mower' to
its lowest position.
o Roll belt off engine pulley_
• Disconnect R_H,. suspension arm from rear deck
bracket by removing retainer spring,
o Work belt off both mandrel pulleys and idler pulleys.
o 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
PULLEYS
RETAINER
SPRING
MANDREL
PULLEY
FIG. 23
TO REPLACE MOTION DRIVE BELT (See Fig.
24)
Poarkthe tractor on level surface Engage parking brake.
r assistance, there is a belt [nstaUation guide decal on
bottom side of left footrest,.
o Remove mower (See "TO REMOVE MOWER" in this
section of this manual°)
= Remove upper belt keeper.
• Remove belt from stationary idler and clutching idler',,
o Pull belt slack toward rear of tractor° Remove belt
upwards from transaxle pulley by deflecting belt keep-
ers,,
° Pull belt toward front of t ractorand remove downwards
from around engine pulley.
• Install new bett by reversing above procedure_
IMPORTANT: MAKE SURE UPPER BELT KEEPER IS
POSITIONED PROPERLY BETWEEN LOCATOR TABS.
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 adiusted.
• Depress clutch/brake pedal and engage parking brake.
o Measure distance between brake operating arm and
nut "A" on brake rod°
° If distance is other than 1-t/2", disengageparking
brake, loosen jam nut and turn nut "A" until distance
becomes 1-1/2", Retighten jam nut against nut "A".
° Engage parking broke 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
Sears Service Center.
20
ENGINE "
PULLEY
CLUTCHING TABS
IDLER
IDLER
TRANSAXLE
PULLEY
KEEPER