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1. Sail area of blade
2. Blade
Sharpening the Blades
1.
Use a file to sharpen the cutting edge at both
ends of the blade
original angle. The 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
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 the sail area only
(Figure
48). Repeat this procedure until the
blade is balanced.
1. Blade
Installing the Blades
1.
Install the blade onto the spindle shaft
47).
Figure 47
3. Curved washer
4. Blade bolt
(Figure
48). Maintain the
Figure 48
(Figure
49). If the blade stays
Figure 49
2. Balancer
Important:
must be pointing upward toward the inside
of the mower to ensure proper cutting.
2.
Install the curved washer (cupped side toward
the blade) and the blade bolt
3.
Torque the blade bolt to 35-65 ft-lb (47-88 N-m).
Leveling the Mower Deck
Check to ensure the mower deck is level any time you
install the mower or when you see an uneven cut on
your lawn.
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The mower deck must be checked for bent blades
prior to leveling; any bent blades must be removed
and replaced. Refer to the Checking for Bent Blades
procedure before continuing.
The mower deck must be leveled side-to-side first
then the front to rear slope can be adjusted.
Requirements:
•
The machine must be on a level surface.
•
All four tire must be properly inflated. Refer to
Checking the Tire Pressure in the Drive System
Maintenance section.
Leveling from Side to Side
1.
Park the machine on a level surface and
disengage the blade-control switch.
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2.
Ensure the parking brake is engaged, stop the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating
position.
3.
Set the height-of-cut lever to middle position.
4.
Carefully rotate the blade(s) so that they are all
side to side
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(Figure
39
The curved part of the blade
(Figure
(Figure
50).
47).
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