22
1. Remove spark plug lead from spark plug.
2. Remove engine cover. See “Cleaning Cooling System” pages
20 & 21 for step by step instructions.
3. Place piston at Top Dead Center (TDC) to prevent carbon/dirt
from entering cylinder.
4. Remove spark arrestor screen cover (A), gasket (B), and screen (C)
from muffler body.
5. Clean carbon deposits from muffler components.
6. Replace screen if it is cracked, plugged or has holes burned
through.
7. Assemble components in reverse order.
NOTE
When installing the engine cover, be certain the tabs of the metal
deflector shield are in the slot of the engine cover.
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
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