To Replace Mower Blade Drive Belt; To Adjust Brake; To Replace Motion Drive Belt - Craftsman 917.256571 Owner's Manual

SERVICE AN
.................................... i-u i
ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 25)
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 ana idler pulleys.
, Pull belt away from mower.
BELT INSTALLATfON -
- Install new belt in reverse order of removal.
• Make sure belt is in atl pulley grooves and inside all belt
guides.
• Install mower in reverse order of removal instructions.
ARM
DO NOT TOUCH THIS NUT, IF FURTHER BRAKE ADJUST-
MENT IS NECESSARY CONTACT YOUR NEAREST AUTHO-
RIZED SERVICE CENTER/DEPARTMENT
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 side of the transaxle.
If tractor reoutres 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.
o Measure distance between brake operating arm and
nut "A" on brake rod.
tf distance is other than 1-3/4", loosen jam nut and turn
nut "A" until distance becomes 1-3/4". Retig hten 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 s_x (6) feet in highest gear, further
maintenance is necessary. Contact your nearest au-
thorized service center!department.
FIG. 26
TO REPLACE MOTION DRIVE BELT
(See Fig. 27)
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.
- Pult belt slack toward rear of tractor. Carefully remove
belt upwards from transmission input pulley and over
cooling fan blades.
- Pull belt toward front of tractor and remove downward
from around engine pulley.
- Install new belt by reversing above procedure.
IMPORTANT: MAKE SURE UPPER BELT KEEPER IS
POSITIONED PROPERLY BETWEEN LOCATOR TABS.
ENGINE-,--,___II
PULLEY _"--_,_,,_,,_ ._ _ LOCATOR
CLUTCH _'_T{_, ""
-TATI--NARY-_ _:-_--_ | UPPER BELT
?dLER ° KEEPER
TRANSMISSION -H,.._P .,...."-_r!
21 FIG, 27