Removing The Blades - Toro 74933 Operator's Manual

Checking for Bent Blades
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the
and set the parking brake.
2. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Rotate the blades until the ends face forward and
backward (Figure 93).
4. Measure from a level surface to the cutting edge,
position A, of the blades
5. Note this dimension.
Figure 93
1. Measure here from blade
to hard surface.
6. Rotate the opposite ends of the blades forward.
7. Measure from a level surface to the cutting edge of the
blades at the same position as in step
8. The difference between the dimensions obtained in
steps 5 and 6 must not exceed 1/8 inch (3 mm).
9. If this dimension exceeds 3 mm (1/8 inch), the blade
is bent and must be replaced; refer to
Blades (page 61) and
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.
- position
NEUTRAL LOCK
(Figure 93).
2. Position A
5 above.
Removing the
Installing the Blades (page

Removing the Blades

Blades must be replaced if a solid object is hit, if the blade 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. Hold the blade end using a rag or thickly-padded glove.
2. Remove the blade bolt, curved washer, and blade from
the spindle shaft
1. Sail area of blade
2. Blade
Sharpening the Blades
WARNING
When sharpening blade, pieces of blade could be
thrown and cause serious injury.
Wear proper eye protection when sharpening blade.
62).
1. Use a file to sharpen the cutting edge at both ends of
the blade
blade retains its balance if the same amount of material
is removed from both cutting edges.
Note: Maintain the original angle.
Note: The blade retains balance if you remove the
same amount of material from both cutting edges.
61
(Figure 94).
Figure 94
3. Curved washer
4. Blade bolt
(Figure 95). Maintain the original angle. The