Echo CS-306, Instruction Manual

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20
COOLING SYSTEM CLEANING
• Remove spark plug lead.
• Remove two (2) muffler cover screws and muffler
cover (A).
• Remove four (4) recoil starter housing screws and
starter housing (B).
• Use a stiff bristle cleaning brush (do not us a metal
brush) to remove dirt from cylinder fins in muffler and
ignition coil areas.
B
MUFFLER SPARK ARRESTOR
IMPORTANT
Carbon deposits in muffler will cause a drop in
engine output and overheating. Spark arrestor
screen must be checked periodically.
1. Remove muffler cover screws and remove muffler
cover.
2. Remove spark arrestor screen cover, gaskets, and
screen from muffler body.
3. Clean carbon deposits from muffler components
NOTE
When cleaning carbon deposit, be careful not to
damage the catalytic element inside muffler.
4. Replace screen if it is cracked, plugged, or has
holes burned through.
5. Assemble components in reverse order.
A
CS-306