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Removing and Installing
the Cutting-Unit Blade(s)
Replace the blade if it hits a solid object, is out
of balance, or is bent. Always use genuine Toro
replacement blades to ensure safety and optimum
performance.
1.
Park the machine on a level surface, raise the
cutting unit to the transport position, engage the
parking brake, shut off the engine, and remove
the key.
Note:
Block or lock the cutting unit to prevent it
from accidentally falling.
2.
Grasp the end of the blade using a rag or
thickly-padded glove.
3.
Remove the blade bolt, anti-scalp cup, and
blade from the spindle shaft
Figure 89
1. Blade bolt
4.
Install the blade, anti-scalp cup, and blade bolt
and tighten the blade bolt to 115 to 149 N∙m (85
to 110 ft-lb).
Important:
The curved part of the blade
must be pointing toward the inside of the
cutting unit to ensure proper cutting.
Note:
After striking a foreign object, torque all
spindle-pulley nuts to 115 to 149 N∙m (85 to 110
ft-lb).
(Figure
89).
g004741
2. Anti-scalp cup
Inspecting and Sharpening
the Cutting Unit Blade(s)
Both cutting edges and the sail, which is the turned-up
portion opposite of the cutting edge, contribute to a
good quality of cut.
Maintain sharp blades throughout the cutting season.
Sharp blades create a clean cut without tearing or
shredding the grass blades.
Check the blades for any wear or damage. The sail
lifts the grass up straight, thereby producing an even
cut and gradually wears down during operation.
1.
Park the machine on a level surface, raise the
cutting unit, engage the parking brake, put the
traction pedal in
in the O
position, shut off the engine, and
FF
remove the key from the ignition.
2.
Examine the cutting ends of the blade carefully,
especially where the flat and curved parts of the
blade meet
(Figure
Note:
Because sand and abrasive material
can wear away the metal that connects the flat
and curved parts of the blade, check the blade
before using the mower. If you notice wear
(Figure
90), replace the blade.
69
, put the PTO lever
NEUTRAL
90).
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