Craftsman 917.256544 Lawn Mower User Manual


 
SERVICE
............. i:m, ,,
ADJU ENTS
r,Fi _ =
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 24)
The mower blade drive be_tmay be replaced without tools.
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
Remove mower from tractor (See '%0 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 aglpulley grooves and inside all belt
guides.
Install mower in reverse order of removal instructions.
MANDREL iDLER
PULLEY PULLEYS
\ \
_,IANDREL
PULLEY
FIG. 24
WITH PARKING BRAKE "ENGAGED"
JAM NUT
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 'q'O REMOVE MOWER" in this
section of this manual.)
, Remove upper belt keeper.
, Remove belt from stationary idler and dutcMng idler.
= Pull belt slack toward rear of tractor. Remove bett
upwards from transaxle pulley by deflecting belt keep-
ers.
Pul! 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
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.
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
, Measure distance between brake operating arm and
nut "A" on brake rod
Ifdistance is other than 1-1/2", loosen jam nut and turn
nut "A" until distance becomes 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 gear, further
maintenance is necessary Contact your nearest au-
thorized service center/department
PULLEY
LOCATOR
CLUTCHING tABS
IDLER
PULLEY
UPPER BELT
KEEPER
22
FIG. 26