HCS-2810 / 3810 MAINTENANCE
X7702248300 35
© 09/19 ECHO Incorporated
Sharpening
Level 2.
If a power grinder is used DO NOT allow blade to over heat.
1. Move stop switch to STOP
position.
2. Disconnect spark plug wire.
3. Remove blade guard.
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.
6. Install blade guard.
Use new lock nuts each time blade guard is installed. See dealer for
correct nuts.
7. Lubricate blades (see “Lubrication”).
8. Connect spark plug wire.
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