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2. If either end of the blade rotates downward, file that
end (not the cutting edge or the end near the cutting
edge). The blade is properly balanced when neither
end drops.
Installing the Blade
1. Install a sharp, balanced Toro blade, the accelerator,
and the blade nuts. The sail of the blade must point
toward the top of the lawn mower housing for proper
installation. Torque the blade nuts to 15 to 27 ft-lb (20
to 37 N m).
Warning
Operating the lawn mower without the
accelerator in place can cause the blade to flex,
bend, or break, resulting in serious injury or
death to the operator or bystanders.
Do not operate the lawn mower without the
accelerator.
2. Return the lawn mower to its upright position.
3. Connect the wire to the spark plug.
Cleaning the Blade Brake
Clutch Shield
Clean the BBC (blade brake clutch) shield at the end of
each mowing season to ensure the best performance and to
prevent parts from degrading. Clean the BBC shield when
you sharpen the blade because you need to remove the
blade in order to remove the BBC shield.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 8).
3. Drain the gasoline from the fuel tank; refer to
Emptying the Fuel Tank and Cleaning the Fuel Filter
on page 22.
4. Tip the lawn mower on its left side.
Warning
Tipping the lawn mower may cause the fuel to
leak from the carburetor or the fuel tank.
Gasoline is extremely flammable, highly explosive,
and, under certain conditions, can cause personal
injury or property damage.
Avoid fuel spills by emptying the fuel tank as
directed; never siphon.
5. Remove 2 blade nuts, the accelerator, and the blade
(Fig. 24).
6. Loosen the tabs that secure the BBC shield to the deck
by loosening the nuts or the bolts on the tabs (Fig. 28).
Rotate the tabs 180 to move them out of the way.
Figure 28
1. Tab and bolt
2. BBC shield
7. Remove the BBC shield and brush or blow all the
debris from under the shield and around the BBC
system.
8. Install the BBC shield. Rotate the tabs 180 back into
position. Tighten the nuts or the bolts on tabs to secure
the BBC shield to the deck.
9. Install the blade, the accelerator, and the 2 blade nuts.
10. Turn the lawn mower upright.
11. Connect the wire to the spark plug.
21
m-796
3. Tabs and nuts
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