Toro 72907 - Page 72

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Figure 109
1. Sail area of the blade
4. Bushing
2. Blade 5. Blade bolt
3. Flat of the spindle shaft
Sharpening the Blades
1. Use a le to sharpen the cutting edge at both
ends of the blade ( Figure 1 10 ).
Note: Maintain the original angle.
Note: The blade retains its balance if the same
amount of material is removed from both cutting
edges.
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Figure 1 10
1. Sharpen at original angle.
2. Check the balance of the blade by putting it on
a blade balancer ( Figure 1 1 1 ).
Note: If the blade stays in a horizontal position,
the blade is balanced and can be used.
Note: If the blade is not balanced, le some
metal of f the end of the sail area only ( Figure
1 10 ).
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Figure 1 1 1
1. Blade 2. Balancer
3. Repeat this procedure until the blade is
balanced.
Installing the Blades
1. Install the bushing through the blade with the
bushing ange on the bottom (grass) side of the
blade ( Figure 1 12 ).
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Figure 1 12
1. Bushing
2. Install the bushing/blade assembly into the
spindle shaft ( Figure 1 13 ).
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Figure 1 13
1. T op spindle nut 3. Blade bolt
2. Flat of the spindle shaft
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