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Replacing the Blades
Service Interval: Yearly—Replace the blades.
To maintain balance, replace blades only as an
opposed pair or a whole rotor at a time. Also replace
the bushing, the bolt, and the locknut when you
replace a blade. There are 2 service kits available for
blade replacement; refer to the Parts Catalog.
1.
Raise the cutting unit and secure it with jack
stands.
2.
Engage the parking brake, shut off the engine,
and remove the key.
3.
Turn the rotor slowly by hand so that each row
of flails are in the desired position and you can
easily access them.
4.
Remove any debris from the bolt head and the
nut and clean the protruding threads with a wire
brush.
5.
Mark the position of the bolt head so that you
can replace the bolts from the same side.
6.
Holding the blade in a rag or padded glove,
remove the nut, bolt, bushing, and blade
34).
Note:
If needed, apply penetrating oil to the
threads to make the nut easier to remove.
Figure 34
1. Nut
2. Bolt
7.
Discard the blade, bushing, nut, and bolt.
8.
Install a new blade and bushing with a new nut
and blade bolt
(Figure
(Figure
g036878
3. Bushing
4. Blade
34).
Note:
Pay attention to the bolt-head-position
markings so that you replace the bolt in the
same direction.
9.
Torque the fasteners to 45 N∙m (33 ft-lb).
Cleaning Under the Cutting
Unit
Service Interval: Before each use or daily
Remove the grass buildup under the cutting unit daily.
1.
Park the machine on a level surface, raise the
cutting unit to the T
the parking brake, shut off the engine, and
remove the key.
2.
Thoroughly clean the underside of the cutting
unit with water.
29
position, engage
RANSPORT
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