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Balancing the Blade
1.
Check the balance of the blade by placing
the center hole of the blade over a nail or
screwdriver shank clamped horizontally in a vise
(Figure
33).
Figure 33
Note:
You can also check the balance using a
commercially manufactured blade balancer.
2.
If either end of the blade rotates downward, file
that end (not the cutting edge or the end near
the cutting edge) until neither end of the blade
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 mower
housing for proper installation.
Note:
Torque the blade nuts to 20 to 37 N∙m
(15 to 27 ft-lb).
WARNING
Operating the machine without the
accelerator in place can cause the
blade to flex, bend, or break, resulting
in serious injury or death to you or to
bystanders.
Do not operate the machine without the
accelerator in place.
2.
Return the machine to the operating position.
Adjusting the Blade-Brake
Cable
The blade-brake cable is adjusted at the factory; you
do not need to adjust it unless you are replacing the
cable or the blade-brake belt. If you need to replace
the cable, replace both the cable and the belt at
the same time.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
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3.
Install a new blade-brake belt and assemble the
machine except for the 2 belt covers on the top
of the mower housing.
4.
Install the new blade-brake cable, but do not
tighten the cable clamp on the top of the mower
housing
(Figure
1. Spring
5.
Loosen the cable-clamp screw
6.
Pull the cable jacket to remove slack
Note:
Do not put tension on the spring.
27
34).
Figure 34
2. Cable clamp and screw
(Figure
(Figure
Figure 35
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34).
35).
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