Echo SRM-2120 - Exhaust System

SRM-2120 MAINTENANCE
X7507821400 39
© 10/24 ECHO Incorporated
Exhaust System
Spark Arrester Screen
Level 2.
Parts required: Spark arrester screen, gasket.
1. Remove spark plug lead and engine cover.
2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
entering cylinder.
3. Remove spark arrester screen
cover (C), gasket (D), and
screen (E), from muffler body.
4. Clean carbon deposits from
muffler components.
Note: When cleaning carbon
deposit, be careful not to
damage the catalytic
element inside muffler.
5. Replace screen if it is cracked, plugged, or has holes burned through.
6. Assemble components in reverse order.
Exhaust Port Cleaning
Level 2.
Parts required: Heat shield (as needed).
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).
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.
D
E
C
AB