Toro Groundsmaster 3320-D Operator's Manual page 22

Figure 30
1. Cutting edge
2. Curved area
3. Examine the cutting edges of all of the blades
and sharpen the cutting edges if they are dull
or nicked (Figure
Note:
Sharpen only the top of the cutting
edge and maintain the original cutting angle
to ensure sharpness
remains balanced if the same amount of metal
is removed from both cutting edges.
Figure 31
1. Sharpen at the original angle.
3. Wear/slot forming
4. Crack
31).
(Figure 31). The blade
Note:
Remove the blades and sharpen them
on a grinder. After sharpening the cutting edges,
install the blade with the anti-scalp cup and
blade bolt; refer to
Cutting-Unit Blade(s) (page
g004653
g000276
22
Removing and Installing the
21).