Removing The Blades - Toro 74902TE Operator's Manual

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

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 (Figure
Figure 99
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.
1. Use a file to sharpen the cutting edge at both ends of
the blade (Figure 100). Maintain the original angle. The
99).
3. Curved washer
4. Blade bolt
blade retains its balance if the same amount of material
is removed from both cutting edges.
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Figure
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the end of
the sail area only
until the blade is balanced.
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
Important: The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
2. Install the spring disk and blade bolt. The spring
disk cone must be installed toward the bolt head
(Figure 102). Torque the blade bolt to 115-150 N-m
(85-110 ft-lb).
61
Figure 100
101). If the blade stays in a horizontal
(Figure 99). Repeat this procedure
Figure 101
2. Balancer
(Figure 102).