Toro 74312 Operator's Manual page 56

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Figure 63
1. Measure here from blade
to hard surface.
5. Rotate the opposite end of the blade to position
A.
6. Measure from a level surface to the cutting edge
of the blade at the same position as in step
above.
Note:
The difference between the dimensions
obtained in steps
1/8 inch (3 mm). If this dimension exceeds
1/8 inch (3 mm), the blade is bent and must be
replaced; refer to Removing the Blades (page
56) and Sharpening the Blades (page
7. Repeat the previous steps for the opposite
blade.
WARNING
A blade that is bent or damaged could
break apart and could seriously injure or
kill you or bystanders.
• Always replace bent or damaged
blade with a new blade.
• Never file or create sharp notches in
the edges or surfaces of blade.
2. Position A
3 and 6 must not exceed
57).
Removing the Blades
Note:
Make note of the red-colored blade position.
From the normal user position, it is located on the
right side.
Replace a blades if it hits a solid object, is out of
balance, or is bent. To ensure optimum performance
and continued safety conformance of the machine,
use genuine Toro replacement blades. Replacement
blades made by other manufacturers may result in
non-conformance with safety standards.
1. Lift the mower deck and secure in the raised
position. Refer to
the Service Position (page
2. Hold the blade end using a rag or thickly padded
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glove.
3. Remove the blade, washer, and blade bolt that
secures the blade and blade driver
3
1. Blade bolt
2. Washer
3. Shear bolts
4. Remove the blade driver from the existing blade
(Figure 64).
56
Raising the Mower Deck into
17).
(Figure
Figure 64
4. Blade driver
5. Locknuts
64).
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