Echo HC-150 - Manual (Page 24)

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1. Move stop switch to stop position.
2. Disconnect spark plug wire.
3. Remove blade stiffener (see “Blade Stiffener Remove/Install
instructions”).
4. Slide blades to allow file clearance using slots (A) on bottom of
blade. Do not pry against cutting edges.
5. 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.
6. Install blade stiffener (see “Blade Stiffener Remove/Install instruc-
tions”).
7. Lubricate blades (see “Lubrication instructions”).
IMPORTANT
Blades should only be removed and reinstalled by an Authorized
ECHO Servicing Dealer, otherwise premature wear or internal
damage may occur.
A A
45 º
6mm (.25 in.) Radius