7
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■
■
■
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� NOTE
You
will need a torque wrench
to
install the blade properly.
/
/
Figure
16
4. Remove the blade, saving all mounting hardware. Examine the
blade support and blade bolt to see if there is damage. Examine
the motor shaft to make sure that it is not bent. (See
Figure
17)
Figure
17
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lII
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Walk-Behind Lawn Mower
»
Operator's Manual
A
CAUTION
Use only a replacement
b l a d e approved b y t h e
manufacturer of your mower. Using a blade
not
approved by the manufacturer of your mower is
hazardous, could damage your mower and void your
warranty.
A
WARNING
machine housing.
Position the curved ends of
the blade
to
point toward the
5. Install the new blade. Use a block of wood between the blade and
lawn mower housing and tighten the blade bolt, turning clockwise.
The recommended tightening torque is 45-55 Nm. (See
Figure
18)
/
�
Figure
18
A
CAUTION
To ensure safe operation of
your mower, periodically
check the blade bolt for correct torque.
Blade bolt is heat treated.
� NOTE
If bolt needs replaci ng,
replace only with approved bolt.
Maintenance I
22