Echo HC-230 Operator's Manual page 17

1. Remove spark plug lead and spark plug (A).
2. Remove (2) muffler cover hex socket bolts and muffler cover.
3. Remove bottom front center hex socket bolt.
4. Pull cylinder cover (B) forward away from the engine.
5. Loosely install spark plug to keep debris out of the cylinder. Use
brush to remove dirt from cylinder fins.
IMPORTANT
DO NOT use a metal scraper to remove dirt from the cylinder fins.
6. Install cylinder cover, muffler cover, spark plug and spark plug lead.
H C
EDGE
O ' M
PERATOR S
A
LIPPER
17
ANUAL
B