SRM-266
MAINTENANCE
X7502028004
39
©
02/21
ECHO Incorporated
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
(D), gasket (C) and exhaust
guide (B) 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 engine
cover.
2.
Place piston at top dead center.
Remove muffler (A) and heat
shield (B).
3.
Use a wood or plastic scraping
tool to clean deposits from
cylinder exhaust port.
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.
Parts Required:
Spark Arrestor Screen, Gasket
Parts Required:
As needed; Heat Shield
A
B
D
C
A
B
