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1. Remove engine cover. See “Cleaning Cooling System” page 23 for
instructions.
2. Remove spark arrestor screen cover (A), gasket (B), and screen (C)
from muffler body.
3. Clean carbon deposits from muffler components.
NOTE
When cleaning carbon deposit, be careful not to damage the
catalylic element inside muffler.
4. Replace screen if it is cracked, plugged or has holes burned through.
5. Reassemble in reverse order of removal. Make sure screen is
positioned properly before tightening screws.
NOTE
When installing the cover, be certain the metal deflector shield tabs
is in the engine cover slots.
Cylinder Exhaust Port
Level 3
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of excess
carbon every 3 months or 90 hours of operation in order to maintain
this engine within the emissions durability period. ECHO strongly
recommends that you return your unit to your ECHO dealer for this
important maintenance service.
A
B
C