Craftsman 917.257632 Owner's Manual page 20

SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
The mower blade d rivebelt may be replaced withouttools_
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor' (See "TO REMOVE
MOWER" in this section of this manual),,
° Work belt off both mandrel pulleys and idler pulleys,.
° Putl 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.
• Instal/mower {n reverse order' of removal instructions.
wrrH PARKING BRAKE "ENGAGED"
NUT "A"
JAM NUT
ERAT1NG
M
FIG. 24
MANDREL IDLER
PULLEY PULLEYS
MANDREL
PULLEY
FIG. 23
TO ADJUST BRAKE (See Fig. 24)
'Yourtractor is equipped with an adjustable brake system
which is mounted on the right side of the transaxle.
If tractor requires more than six (6) feet stopping distance
at highspeed in highest gear, then brake mustbe adjusted.
• Depress clutch/brakepedal and engage parkingbrake,
= 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,,
° Road test tractor 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/department.
20
TO REPLACE MOTION DRIVE BELT
(See Fig. 25)
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 idler' and clutching idler,
° Pull belt slack toward rear of tractor° Remove belt
upwards from transaxle pulley by deflecting belt keep-
ers.
° Pullbeit towardfront 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.
[
1 PULLEY I-'OCA OR
t CLUTc.r.G _v_-_l_ I- It TAaS
| il _._/° ),l | tr_ UPPER BELT
/ _ _ | II KEEPER
| STAT]ONARY"_ !1 ! | II
I TRANSAXLE,,,_ ! ! .LJ'L--, !1
FIG. 25