Sears 917.256543 Lawn Mower User Manual


 
SERVUOEAN ADJUSTMENTS
L ' i ........ i
WITH PARKING BRAKE "ENGAGED"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig, 24)
The mower blade drive belt may be replaced withouttools,
Park the tractor on level surface, Engage parking brake°
BELT REMOVAL -
o Remove mower from tractor (See "TO REMOVE
MOWER" in this section of this manual),
= Work belt off both mandrel pulleys and idler pulleys.
o Pul! belt away from mower,
BELT INSTALLATION -
o install new belt in reverse order of removal,
= Make sure bett is in all pulley grooves and insideall belt
guides,,
o Install mower in reverse order of removal instructions.
MANDREL IDLER
PULLEY PULLEYS
MANDREL
PULLEY
FIG. 24
FIG. 25
TO REPLACE MOTION DRIVE BELT
(See Fig. 26)
Park the tractor on level surface, Engage parking brake.
For assistance, there is a belt installation guide decal on
bottom side of left footresL
o Remove mower (See "TO REMOVE MOWER" in this
section of this manuaL)
o Remove upper belt keepeL
= Remove belt from stationary idler and clutching idler,
= Pull be_t slack toward re,_r of tractor, Remove belt
upwards from transaxle pulley by deflecting belt keep-
ers,
. Pullbelt toward front oftractor and remove downwards
from around engine pu_[eyo
= install new belt by reversing above procedure,
IMPORTANT: MAKE SURE UPPER BELT KEEPER iS
POSITIONED PROPERLY BETWEEN LOCATOR TABS.
TO ADJUST BRAKE (See Fig. 25)
Your tractor' is equipped with an adjustable brake system
which is mounted on the right side of the transaxle.
tf tractor requires more than six (6) feet stopping distance
at high speed in highest gear, then brake must be adjusted,
o Depress clutch/brake pedal and engage parking brake,
,, Measule distance between brake operating arm and
nut "A" on brake rod°
o If distance is other than 1-1/2", 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 stopping distance as stated
above., Readjust if necessary. If stopping distance is
still greater than six (6) feet in highest g_ar, further
maintenance is necessary. Contact your nearest au-
thorized service center/department.
ENGINE"-'._
PULLEY
CLUTCHING
IDLER
STATIONARY
IDLER
PULLEY
_Tu LOCATOR
ABS
FIG. 26