Sears 917.25958 Lawn Mower User Manual


 
SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig, 23)
The mower blade drive belt may be replaced without tools.
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.
° Pull belt away from mower.
BELT INSTALLATION
, Install new belt in reverse order of removal.
Make sure belt is in al! pulley grooves and inside all belt
guides.
Install mower in reverse order of removal instructions_
MANDREL IDLER
PULLEY PULLEYS
MANDREL
PULLEY
FIG. 23
TO ADJUST BRAKE (See Fig. 24)
Your tractor isequipped 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.
° Depressclutch/brakepedalandengageparkingbrake.
° Measure distance between brake operating arm and
nut "A" on brake rod.
J
o
Ifdistance 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".
Road test tractor for proper stopping distance as stated
above. Read ust if necessary. Ifstopping distance is
still greater than six (6) feet n highest gear, further
maintenance is necessary. Contact your nearest au-
thorized service center/department.
WITH PARKING BRAKE "ENGAGED"
NUT "A"
JAM NUT
FIG. 24
TO REPLACE MOTION DRIVE BELT
(See Fig. 25)
Park the tractor ORlevel 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)
o 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,
ENGINE
PULLEY
CLUTCHING
IDLER LOCATOR
TASS
STATIONARY _'_ ,_-- _-_ II
,OLER I
UPPER BELT
TRANSAXLEII -I1, It KEEPER
FIG. 25
23