Craftsman 247.27022 Owner's Manual page 7

Wing Nut
A
Side Discharge Chute
ulchin
Plug
Figure 3
3. Insert the plug into the side-discharge chute
aligning the two slots on two sides of the side-
discharge chute with those on the mulching plug.
4. To attach the mulching plug now to the unit, follow
earlier instructions to attach side-discharge chute
to the deck.
5. Place wing nut on each of the hex bolts and thread
a few turns. See Figure 3. Check that the mulch
plug is aligned correctly within the discharge chute.
6. Tighten both wing nuts.