MAINTENANCE
DH235
30
X7702241803
© 12/19 ECHO Incorporated
Exhaust System
Spark Arrestor Screen
Level 2.
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.
1.
Remove spark plug lead
from spark plug, and remove
muffler cover.
2.
Place piston at top dead
center. Remove muffler and
heat shield.
Parts Required:
Spark Arrestor Screen, Gasket
Parts Required:
As needed: Heat Shield
C
B
D
E