Sears 917.258524 Lawn Mower User Manual


 
SERVICE AND ADJUSTM
WITHPARKINGBRAKE "ENGAGED"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 25)
The mower blade drive belt 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,
° Pull belt away from mower',
BELT INSTALLATION -
Install new bett in reverse order of removal.
* Make sure belt isin all pulley grooves and insideall belt
guides°
Install mower in reverse order of removal instructions,
MANDREL IDLER
PULLEY PULLEYS
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 tractorrequires more than six(6) feet stopping distance
at high speed in highestgear, then brake mustbeadjusted,
Depressclutch/brake pedaland engageparkingbrake,
* Measure distance between brake operating arm and
nut 'W' on brake rod.
Ifdistance is otherthan 1-1/2", loosen jam nutand turn
nut "A" until distance becomes 1-112'L Retighten jam
nut against nut "A",
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.
NUT "A"
JAM NUT
OPERATING ARM
22
FIG, 26
TO REPLACE MOTION DRIVE BELT
(See Fig. 27)
Park the tractor on level surface. Engage parking brake,
For assistance, there isa belt installationguide 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 towardfront oftractor 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,
r
/ PULLEY JI-LoOATOR
! CLUTCH_NG--...L---'-_._p-'f il TASS
| il j{( o),_ | Ir_ UPPER BELT
/ STATIONARY_ ""_'1 I l! KEEPER
/ I! II !!
/ TRANSAXLE_ II _ !!
FIG. 27