Echo SRM-280U Serial S75012010176 - S75012999999 - Manual (Page 27)

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© 02/2014 ECHO Inc.
SRM-280U MAINTENANCE
1. Remove spark plug lead.
2. Remove air cleaner cover.
3. Remove muffler cover (A).
4. Remove engine cover (B).
DO NOT use a metal scraper to remove dirt from the cylinder fins.
5. Use brush to remove dirt from the cylinder fins.
6. Remove grass and leaves from the grid between the recoil
starter and fuel tank.
7. Assemble components in reverse order.
Exhaust System
Spark Arrestor Screen
Level 2.
1. Remove spark plug lead.
2. Remove muffler cover (A).
3. Place piston at Top Dead Center (TDC) to prevent
carbon/dirt from entering cylinder.
4. Remove spark arrestor screen cover (B), gaskets (C), and
screen (D), from muffler body.
5. Clean carbon deposits from muffler components.
Note: When cleaning carbon deposits, 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.
Parts Required: Spark Arrestor Screen, Gasket
A
B
C
B
D
A