Toro HoverPro 550 Manual page 17

4. Use a block of wood to hold the blade steady
(Figure 27).
5. Use the wrench provided with the machine
to remove the blade by rotating the bolt
counterclockwise
Important:
Wear safety glasses and
cut-resistant gloves when removing the
blade.
Positioning the Blade Spacers
Change the position of the spacers to adjust the
cutting height as shown in
Note:
Each spacer changes the cutting height of the
blade 6.3 mm (1/4 inch).
1. Conical spacer
2. Spacers
3. Blade
Installing the Blade
1. Align the curved ends of the blade toward mower
deck, and assemble the retainer, blade, spacers,
and conical spacer to the impeller with the bolt.
Figure 27
(Figure 27).
Figure 28.
Figure 28
4. Retainer
5. Bolt
Important:
spacer directly below the impeller and the
retainer under the head of the bolt.
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1. Impeller
2. Conical spacer
2. Torque the blade bolt to 25 N∙m (18 ft-lb).
Note:
A bolt torqued to 25 N∙m (18 ft-lb) is
very tight. While holding the cutting blade with
block of wood, put your weight behind the torque
wrench, and tighten the bolt.
3. Tip the machine up, connect the spark-plug
wire to the spark plug, and open the fuel-shutoff
valve.
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15
Always assemble the conical
Figure 29
3. Retainer
4. Bolt
Figure 30
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