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SRM-2320T
MAINTENANCE
X7732278302
39
© 07/21 ECHO Incorporated
Exhaust Port Cleaning
Level 2.
Parts Required: Heat Shield (as required).
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 (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
lbf•in
).
7.
Install engine cover and attach spark plug lead.
8.
Start engine, and warm to operating temperature.
9.
Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
A
B
C
C