Removing The Blades - Toro 74310 Operator's Manual

1. Cutting edge
2. Curved area
6. Lower the mower deck into operating position. Refer
to Lowering the Mower Deck to the Operating Position
(page 24).
Checking for Bent Blades
1. Move the speed-control lever to the N
to stop the machine.
2. Disengage the PTO, engage the parking brake, shut off
the engine, and wait for all moving parts to stop.
3. Rotate 1 blade as shown in
4. Measure from a level surface to the cutting edge
at position A of the blade
dimension.
G025243
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
Note: The difference between the dimensions
obtained in steps 3
(3 mm). If this dimension exceeds 1/8 inch (3 mm), the
blade is bent and must be replaced; refer to
the Blades (page 52)
Figure 63
3. Wear/slot forming
4. Crack
EUTRAL
Figure 64.
(Figure 64). Note this
Figure 64
2. Position A
3 above.
and 6 must not exceed 1/8 inch
Removing
and Installing 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.

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
position
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
Position (page
2. Hold the blade end using a rag or thickly padded glove.
3. Remove the blade, washer, and blade bolt that secures
the blade and blade driver
1. Blade bolt
2. Washer
3. Shear bolts
4. Remove the blade driver from the existing blade
(Figure
53).
52
Raising the Mower Deck into the Service
23).
(Figure
Figure 65
4. Blade driver
5. Lock nuts
65).
65).