CS-330T MAINTENANCE
© 08/2013 ECHO Inc.
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6. 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.
If muffler mounting studs loosened during muffler nut removal,
tighten studs using nuts (B) tightened together on end of stud.
Turn outer nut clockwise, and tighten stud to 9-11 N•m (80-95
in•lbf). Do not exceed specifications, otherwise stud damage
may occur. To remove nuts, hold inner nut, and turn outer nut
counter clockwise to remove, then turn inner nut counter
clockwise to remove.
7. Install muffler. Tighten nuts to 9-11 N•m (80-95 in•lbf), but
do not exceed specifications, otherwise damage to studs
may occur.
Washer sets must be installed with serrated surfaces facing
apart, as shown in illustration.
8. Connect spark plug lead and replace air cleaner cover.
9. Start engine, and allow unit to warm up at idle for several
minutes.
10. Stop engine, and re-tighten mounting nuts to 9-11 N•m (80-95 in•lbf).
11. Install muffler cover.
12. Install guide bar and chain. Adjust chain tension.
13. Start engine and check for exhaust leaks between muffler and cylinder head. Stop engine if leak is
found and correct problem before operating chain saw.
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