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Removing the Blade
1.
Prepare the machine for maintenance; refer to
Preparing for Maintenance (page
2.
Tip the machine onto its side with the oil-filler
neck down.
Important:
Always tip the machine onto its
side with the dipstick aligned down. If the
machine is tipped in another direction, oil
may fill the valve train—requiring at least 30
minutes to drain.
Figure 41
3.
Record the position of the spacers.
Figure 42
1. Conical spacer
2. Spacers
3. Blade
4.
Use a block of wood to hold the blade steady
(Figure
43).
18).
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g364990
4. Retainer
5. Bolt
5.
Use the wrench provided with the machine to
remove the blade by rotating the blade bolt
counterclockwise
Important:
Wear safety glasses and cut
resistant gloves when removing the 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.
Important:
You must always assemble the
conical spacer directly below the impeller
and the retainer under the head of the bolt.
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.
23
Figure 43
(Figure
42).
Figure 44
3. Retainer
4. Bolt
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g364923
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