Toro 30674 Operator's Manual page 40

Figure 57
1. Blade
2. Blade bolt
3. Curved washer
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both ends of
the blade (Figure 58).
Note: Maintain the original angle. The blade remains
balanced if the same amount of material is removed
from both cutting edges.
Figure 58
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Figure 59).
Note: If the blade stays in a horizontal position, the
blade is balanced and can be used. If the blade is not
4. Spacer
5. Thin washer
6. Nut
balanced, file some metal off the end of the sail area
only (Figure 59). Repeat this procedure until the blade
is balanced.
1. Blade
Installing the Blades
1. Install the curved washer and then the blade onto the
bolt. Select the proper number of spacer(s) for the
height of cut, and slide the bolt into the spindle
57).
Important: The curved part of the blade must
point upward toward the inside of the mower to
ensure proper cutting.
2. Install the remaining spacer(s) and secure them with a
thin washer and a nut (Fig.
3. Torque the blade bolt to 101 to 108 N-m (75 to
80 ft-lb).
40
Figure 59
2. Balancer
Figure 57).
(Figure