Echo CS-305, CS-306, CS-306 COOLING SYSTEM CLEANING, MUFFLER SPARK ARRESTOR, CS-305, CS-306, NOTE, IMPORTANT, IMPORTANT, Cylinder Exhaust Port

A

B

CS-305

CS-306

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.

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.

Cylinder Exhaust Port

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.

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