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Figure 74
1. Opposite blade edge (in position for measuring)
2. Level surface
3. Second measured distance between blade and surface (B)
A.
If the difference between A and B is greater
than 3 mm (1/8 inch), replace the blade with
a new blade; refer to
(page 59)
and
60).
Note:
If a bent blade is replaced with a
new blade, and the dimension obtained
continues to exceed 3 mm (1/8 inch), the
blade spindle could be bent. Contact an
Authorized Service Dealer for service.
B.
If the variance is within constraints, move to
the next blade.
6.
Repeat this procedure on each blade.
Removing the Blades
Replace the blades if they hit a solid object, or if the
blade is out of balance or bent.
1.
Place a wrench on the flat of the spindle shaft or
hold the blade end using a rag or thickly padded
glove.
2.
Remove the blade bolt, bushing, and blade from
the spindle shaft
Removing the Blades
Installing the Blades (page
(Figure
75).
g014973
1. Sail area of the blade
2. Blade
3. Flat of the spindle shaft
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
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
59
Figure 75
4. Bushing
5. Blade bolt
(Figure
76).
Figure 76
(Figure
77).
(Figure
g295816
g000552
76).
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