Craftsman 247.37683 Manual Del Usuario página 20

6. Place blade bell support on the blade. Align notches on the blade
bell support with small holes in blade.
7. Replace hex bolt and tighten hex bolt to torque: 450 in. lbs. min.,
600 in. lbs. max.
To ensure safe operation of your mower, periodically check the blade
bolt for correct torque.
belt Care
1. Remove two shoulder screws securing front drive cover to mower
deck. See Figure 18. Press inward on sides of front drive cover
and release tabs that secure it to the height adjuster brackets.
Remove drive cover from mower.
2. Loosen screw holding belt tension spring to transmission. See
Figure 18 inset. Do not remove screw completely. As you loosen
it, tension on the belt will be released.
3. Tip mower on its side with the air filter up to access belt from
underside of mower and remove blade as described in the
previous section. Refer to Figure 17.
4. Press inward on tab on the engine baffle to release it from the
baffle bracket. See Figure 19.
5. Slide belt off of engine pulley and thread through the opening in
the deck. See Figure 20.
NOTE: When removing belt, the wave washer may also break free
from the crankshaft. Be sure to make note of the orientation of this item
for reassembly.
6. Replace with new belt, making sure belt is firmly seated on engine
pulley while pulling from the other side and sliding it around the
transmission pulley.
7. Reattach engine baffle and reassemble blade as described in the
previous section.
SERVICE AND MAINTENANCE
Figure 18
8. Turn mower back over and make sure belt is seated on the
transmission pulley. Tighten screw loosened earlier to secure belt
tension spring to the transmission.
9. Reassemble front drive cover.
20
Figure 19
Figure 20