Toro Air Cool Z Master 74090, Руководство оператора

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Sharpening the Blades
1. Use a file to sharpen the cutting edge at both
ends of the blade (
Figure 77 ).
Note:
Maintain the original angle.
Note:
The blade retains its balance if the same
amount of material is removed from both cutting
edges.
g000276
Figure 77
1. Sharpen at original angle.
2. Check the balance of the blade by putting it on a
blade balancer (
Figure 78 ).
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 77 ).
g000277
Figure 78
1. Blade 2. Balancer
3. Repeat this procedure until the blade is
balanced.
Installing the Blades
1. Install the bushing through the blade with the
bushing flange on the bottom (grass) side of the
blade (
Figure 79 ).
g255205
Figure 79
1. Bushing
2. Install the bushing/blade assembly into the
spindle shaft (
Figure 80 ).
g298850
Figure 80
1. Top spindle nut 3. Blade bolt
2. Flat of the spindle shaft
3. Apply copper-based lubricant or grease to the
threads of the blade bolt as needed to prevent
seizing. Install the blade bolt finger-tight.
4. Place a wrench on the flat of the spindle shaft
and torque the blade bolt to 75 to 81 N∙m (55
to 60 ft-lb).
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