Sears 917.257552 Lawn Mower User Manual


 
SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT TO REPLACE MOTION DRIVE BELT
(See Fig. 25) .............. _, :........_..... (See Fig. 27)
The mower blade drive belt may be replaced without tools.
Park the tractor on level surface. Engage parking brake.,
BELT REMOVAL-
o Remove mower from tractor (See '%0 REMOVE
MOWER" in this section of this manual).
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 su re belt is in all pulley grooves and inside all belt
guides,
o Install mower in reverse order of removal instructions,
IDLER
MANDREL
PULLEY
FIG. 25
TO ADJUST BRAKE (See Fig, 26)
Your tractor 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 high speed in highest gear, then brake must be adjusted,,
° Depress clutch/brake pedal and engage parking brake..
o Measure distance between brake operating arm and
nut "A" on brake rod..
o If distance is other than 1-!/2", loosen jam nut and turn
nut "A" until distance becomes 1-1/2". Retighten jam
nut against nut "A".
o Road test tractor for proper stepping 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..
WITH PARKING BRAKE "ENGAGED"
NUT "A"
JAM NUT
Park the tractor on level surface, Engage parking brake°
For assistance, there is a belt installation guide decal on
bottom side of left footrest..
o Remove mower (See 'q'O 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 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,
ENGINE PULLEY
CLUTCHING
IDLER
LOCATOR
TABS
IDLER
BELT
KEEPER
TRANSAXLE
PULLEY
FIG. 27
TO ADJUST STEERING WHEEL ALaGNMENT
If steering wheel crossbars are not horizontal (left to right)
when wheels are positioned straight forward, remove steer-
ing wheel and reassemble per instructions in the Assembly
section of this manual.
FRONT WHEEL TOE-iN/CAMBER
The front wheel toe-in and camber are not adjustable on
your tractor.. If damage has occurred to affect the front
wheel toe-in or camber, contact your nearest authorized
service centeddepartment.
FIGo 26 21