Removing The Blades - Toro 30433 Operator's Manual

Mid–size mower proline hydro 15 hp with 36 in. side discharge mower
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Front
A
Figure 55
MEASURE FROM CUT-
TING EDGE TO A LEV-
EL SURFACE
Figure 56
2. Rotate the opposite ends of the blades forward.
3. Measure from a level surface to the cutting edge of the
blades at the same position as in step 1. The difference
between the dimensions obtained in steps 1 and 2 must
not exceed 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, and Installing
the Blades on page 43.
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. Remove the blade bolt, blade stiffener, washer,
and blade from the spindle shaft (Fig. 57).
A
m–1078
m–1087
43
2
5
6
4
Figure 57
1. Sail Area of Blade
2. Blade
3. Blade spindle
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both ends of
the blade (Fig. 58). Maintain the original angle. The
blade retains its balance if the same amount of
material is removed from both cutting edges.
1
Figure 58
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Fig. 59). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the end of
(Fig. 57).
the sail area only
until the blade is balanced.
1
Figure 59
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
3
1
m–6368
4. Blade Bolt
5. Blade stiffener
6. Flat washer
m–1854
Repeat this procedure
2
m–1855
2. Balancer
(Fig. 57).

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