● Disconnect spark plug wire.
● Remove blade stiffener:
1. Remove two screws(J) at the bottom of front handle guard.
2. Remove three screws (K) on the supporting plate for blade.
3. Remove blade stiffener locknuts (L) and washers. Do not remove blade bolts.
4. Remove blade stiffener.
5. Fix locknuts (L) and washers again onto the blade
● Slide blades to allow file clearance using slots (M) on bottom of blade. Do not pry
against cutting edges.
● File each edge carefully. Follow the original shape of the blade.
Important: If a power grinder is used do not allow blade to over heat.
● Install blade stiffener in reverse order.
Note: Use new locknuts every time blade stiffener is installed.
● Lubricate blades (see Lubrication instructions).
Important: Blades should only be removed and reinstalled by an authorized Servicing
address, otherwise premature wear or internal damage may occur.
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