Maintenance
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.
1Disconnect the spark plug wire from the spark plug.
2Remove the blade locknut (B) that holds the blade to the drive shaft.
D
C
B
A
Figure 25: Blade Removal
NOTE: To remove or tighten the blade locknut, always use the method shown in Figure 25. First, secure wrench (C) onto the nut located behind the blade. Then, to remove or tighten the blade locknut, turn the wrench (D).
3Remove the blade.
4Install a new blade and secure with the blade locknut. Tighten the blade locknut to a torque of 40−45 foot pounds.
5Connect the spark plug wire to the spark plug.
WARNING
Sharpening can damage the blade and cause it to break.
Thrown debris can cause severe laceration.
•Never sharpen the blade, always replace. Sharpening the blade will cause the blade to shatter.
•Keep a safe distance from rotating blade during operation.
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