-67-
Maintenance
5
• Torque for Nut B - M12: 44.1-53.9N•m
(450-550kgf•cm).
NOTE
1. Open cutting blade shield.
2. Hold blade with a strong stick-like object
(such as screw driver).
5323M-0509-060E
Stick-like Object
Replacing
5323M-0509-070E
Nut A
NutB
Cap
Collar
Blade
Direction of Rotation
Carriage Bolt
Blade Stay
3. Unfasten nut A, then nut B to remove blade.
4. Place a new or flipped blade under blade
stay. Insert carriage bolt.
5. Place collar and cap.
6. Hold blade with strong, stick-like object.
7. Thread nut B and tighten it to a specified
torque.
8. Thread nut B. Tighten it by hand. When it
cannot be turned by hand, tighten it for one
turn by a wrench.
9. Close cutting blade shield cover.
• Nut A provides sufficient locking when
installed as descrived above.
NOTE