1. Hold the blade end using a rag or thickly-padded
glove.
2. Remove the blade bolt, curved washer and blade
from the spindle shaft (Figure 88).
Sharpening the Blades
WARNING
When sharpening blade, pieces of blade could be
thrown and cause serious injury.
Wear proper eye protection when sharpening blade.
1. Use a file to sharpen the cutting edge at both ends
of the blade (Figure 86). Maintain the original angle.
The blade retains its balance if the same amount of
material is removed from both cutting edges.
Figure 86
1.
Sharpen at original angle
2. Check the balance of the blade by putting it on a
blade balancer (Figure 87). 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 the sail area only (Figure 88). Repeat this
procedure until the blade is balanced.
Figure 87
1.
Blade
2.
Balancer
Installing the Blades
1. Install the blade onto the spindle shaft (Figure 88).
Important:
The curved part of the blade must
be pointing upward toward the inside of the
mower to ensure proper cutting.
2. Install the curved washer and blade bolt. The curved
washer cone must be installed toward the bolt head
(Figure 88). Torque the blade bolt to 85-110 ft-lb
(115-150 N-m).
Figure 88
1.
Sail Area of Blade
3.
Curved washer
2.
Blade
4.
Blade Bolt
Replacing the Grass Deflector
WARNING
An uncovered discharge opening could allow the
lawn mower to throw objects in the operator’s or
bystander’s direction and result in serious injury.
Also, contact with the blade could occur.
•
Never operate the lawn mower unless you install
a cover plate, a mulch plate, or a grass chute and
catcher.
•
Make sure the grass deflector is in the down
position.
1. Remove the locknut, bolt, spring and spacer holding
the deflector to the pivot brackets (Figure 89).
Remove the damaged or worn grass deflector.
2. Place the spacer and spring onto grass deflector.
Place the
L
end of spring behind deck edge.
Note:
Make sure the L end of the spring is installed
behind the deck edge before installing the bolt as
shown in Figure 89.
3. Install the bolt and nut. Place the
J
hook end of the
spring around the grass deflector (Figure 89).
Important:
The grass deflector must be able to
lower down into position. Lift the deflector up
to test that it lowers into the full down position.
60
Содержание Z580-D Z Master 74266
Страница 65: ...Schematics g012068 Wire Diagram Rev A 65 ...
Страница 66: ...Notes 66 ...
