AH262
MAINTENANCE
X7502342300
31
© 6/2017 ECHO Inc.
ENGLISH
4.
Remove spark arrestor screen
cover (B), gasket (C), and
screen (D), from muffler body.
5.
Clean carbon deposits from
muffler components.
Note: When cleaning carbon
deposit, be careful not to
damage the catalytic ele-
ment 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 (A) and heat
shield (B).
3.
Use a wood or plastic scraping
tool to clean deposits from cyl-
inder exhaust port (C).
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.
4.
Inspect heat shield, and replace if damaged.
5.
Install heat shield and muffler.
6.
Tighten muffler mounting bolts (or nuts) to 90-110 kgf•cm (80-95
in•lbf).
Parts Required:
As needed: Heat Shield
A
B
C
D
A
B
C