Echo SRM-410U Manual Do Utilizador

Tools required:    4 & 5 mm Hex Wrench, Wood or plastic scraper

Parts Required:   As needed: Heat Shield

1.  Remove spark plug lead from spark plug, and remove muffl er 

cover (2 screws). 

2.  Place piston at top dead center. Remove muffl er (A) and heat shield 

(B).

3.  Use a wood or plastic scraping tool to clean deposits from cylinder 

exhaust port.

IMPORTANT 
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 muffl er.

6. Tighten 

muffl er mounting bolts (or nuts) to 95-130 in•lbf  (110-150 

kgf•cm).

7.   Attach spark plug lead and install muffl er cover.

8.   Start engine, and warm to operating temperature.

9.  Stop engine, and re-tighten mounting bolts (or nuts) to specifi ca-

tions.