DH232
MAINTENANCE
X7712240202
31
© 07/22 ECHO Incorporated
Exhaust System
Spark Arrester Screen
Level 2.
Parts required: Spark Arrester Screen, Gasket.
1.
Remove spark plug lead.
2.
Remove muffler cover (B).
3.
Place piston at Top Dead
Center (TDC) to prevent
carbon/dirt from entering
cylinder.
4.
Remove exhaust guide (C),
gasket (D), and screen (E) 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.
Exhaust Port Cleaning
Level 2.
Parts required: Heat Shield (as needed).
1.
Remove spark plug lead from
spark plug, and remove muffler
cover.
2.
Place piston at top dead center.
Remove muffler and heat
shield.
C
D
E
B