How To Replace The Blade - Craftsman 536.772321 Operator's Manual

How To Replace The Blade
The blade is subject to wear and damage, such as
nicks and dents. This is normal and does not affect its
function.
The blade does not require sharpening. Do not
sharpen the blade.
If both sides of the blade (A) are severely worn or
damaged, replace as follows.
1 Disconnect the spark plug wire from the spark
plug.
2 Remove the blade Iocknut (B) that holds the blade
to the drive shaft.
c
B
A
Figure 16." Blade Removal
NOTE: To remove or tighten the blade Iocknut,
always use the method shown in Figure 16.
First, secure wrench (t3) onto the nut located
behind the blade. Then, to remove or tighten
the blade Iocknut, turn the wrench (D).
3 Remove the blade.
4 Install a new blade and secure with the blade
Iocknut. Tighten the blade Iocknut to a torque of
40-45 foot pounds.
5 Connect the spark plug wire to the spark plug.
WARNING
Neve[ sharpen the blade, always replace.
Sharpening the blade will cause the blade to
, Keep a safe distance from rotating blade
dudng operation,
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