Sears 917.25545 Lawn Mower User Manual


 
SERVICE AND ADJUSTMENTS
WITH PARKING BRAKE "ENGAGED"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 24)
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
. Work belt off both mandrel pulleys and idler pulleys.
o Pull belt away from mower,
BELT INSTALLATION -
o Install new belt in reverse order of removal,
o Make sure belt is in all pulley grooves and inside all
belt guides_
MANDREL IDLER
PULLEY PULLEYS
ENGINE PULLEY
\
\
MANDREL
PULLEY
FIG. 24
TO ADJUST BRAKE (See Fig. 25)
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 clutch/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 parking
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 is
still greater than six (6) feet in highest gear. further
maintenance is necessary, Contact your nearest au-
thorized service center.
NU'T "A"
JAM NUT
/
i _ OPERATING
ARM
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 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.
° 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
_LOCATOR
CLUTCHING TABS
IDLER
IDLER
KEEPER
PULLEY
FIG, 26
21