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1. Sail area of the blade
2. Blade
3. Curved washer
Sharpening the Blades
1.
Use a file to sharpen the cutting edge at both
ends of the blade
Note:
Maintain the original angle.
Note:
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
(Figure
Note:
If the blade stays in a horizontal position,
the blade is balanced and can be used.
Note:
If the blade is not balanced, file some
metal off the end of the sail area only
Figure 91
4. Blade bolt
5. Spindle shaft
(Figure
92).
Figure 92
93).
(Figure
1. Blade
3.
Repeat this procedure until the blade is
balanced.
Installing the Blades
1.
Install the blade onto the spindle shaft
91).
Important:
must point upward toward the inside of the
mower to ensure proper cutting.
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2.
Install the curved washer and blade bolt
91).
Note:
Install the curved-washer cone toward
the bolt head.
3.
Torque the blade bolt to 115 to 150 N∙m (85 to
110 ft-lb).
Adjusting the Side-to-Side
Leveling and the Blade
Slope
Check to ensure that the mower deck is level any time
you install the mower or when you see an uneven cut
on your lawn.
Check the mower deck for bent blades prior to
leveling, and remove and replace any bent blades;
refer to
Servicing the Cutting Blades (page 65)
continuing.
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Level the mower deck side-to-side first; then you can
adjust the front-to-rear slope.
Requirements:
•
The machine must be on a level surface.
•
All tires must be properly inflated; refer to
the Tire Pressure (page
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
92).
parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Check the tire pressure in the drive tires; refer to
Checking the Tire Pressure (page
67
Figure 93
2. Balancer
The curved part of the blade
55).
55).
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(Figure
(Figure
before
Checking
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