MAINTENANCE SHC-225/S
28 X7502257007
© 4/2016 ECHO Inc.
1. Remove spark plug lead.
2. Remove engine cover (B).
3. Place piston at Top Dead Center
(TDC) to prevent carbon/dirt from
entering cylinder.
4. Remove spark arrestor screen cover
(C), gaskets (D), (E), and screen (F),
from muffler body.
5. Clean carbon deposits from muffler
components.
Note: When cleaning carbon
deposit, 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.
1. Remove spark plug lead from spark
plug, and remove engine cover.
2. Place piston at top dead center.
Remove muffler (A) and heat shield
(B).
3. Use a wood or plastic scraping tool
to clean deposits from cylinder
exhaust port.
Never use a metal tool to scrape carbon from the exhaust port. Do not
scratch the cylinder or piston when cleaning the exhaust port. Do not
allow carbon particles to enter the cylinder.
Parts Required: As needed: Heat Shield
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