MAINTENANCE HCS-2810 / 3810
30 X7702248300
© 09/19 ECHO Incorporated
5. Assemble components in reverse order.
Exhaust System
Spark Arrestor Screen
Level 2.
1. Remove spark plug lead.
2. Remove muffler cover (B).
3. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
entering cylinder.
4. Remove exhaust guide (C),
gasket (D), and screen (E)
from muffler body.
5. Clean carbon deposits from
muffler components.
Note: When cleaning carbon
deposits, be careful
not to damage the
catalytic element
inside muffler.
6. Replace screen if it is
cracked, plugged, or has
holes burned through.
7. Assemble components in
reverse order.
Exhaust Port Cleaning
Level 2.
Parts Required: Spark Arrestor Screen, Gasket
Parts Required: As needed: Heat Shield