Craftsman . 316.792440 Operator's Manual page 11

3. Align the shaft bushing hole with the locking rod slot and insert
the locking rod into the bushing hole (Fig. 13).
4. Put the blade retainer and nut on the output shaft. Make sure
that the blade is installed correctly.
5. Tighten nut counterclockwise against the blade while holding
the locking rod:
• If using a torque wrench and an 13 mm socket tighten to: 325 -
335 in•lb, 27 - 28 ft.•lb, 37 - 38 N•m.
• Without a torque wrench, use a 13 mm closed-end or socket
wrench, turning the nut until the blade retainer is snug against
the shaft bushing. Make sure that the blade is installed correctly,
then rotate the nut an additional 1/4 to 1/2 turn
counterclockwise (Fig. 17).
6. Remove the locking rod from the locking rod slot.
WARNING:
To avoid serious personal injury or damage
to the unit, do not start or operate this unit with the locking
rod in the locking rod slot.
WARNING:
Do not sharpen the cutting blade.
Sharpening the blade can cause the blade tip to break off
while in use. This can result in severe personal injury.
Replace the blade.
1/4 - 1/2 turn
Counterclockwise
11
Fig. 17