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MAINTENANCE
CS-303T
48
X7503209108
© 10/20 ECHO Incorporated
Lifting Hook
If your chain saw falls from
height or receives a strong
impact to the lifting hook, please
check its integrity to assess that
the ring and its associated parts
are not damaged or broken. In
case of being damaged or
broken, do not continue using
the unit with the lifting hook. If
you have any doubt with regards
to their condition, have the unit
checked out by your nearest
authorized ECHO dealer.
Air Filter
1.
Check periodically.
2.
CLOSE choke (COLD START
position). This prevents
dirt from entering the carburetor
throat when the air filter is
removed. Brush accumulated
dirt from air cleaner area.
3.
Remove air cleaner cover.
Brush dirt from inside cover.
4.
Remove air filter and lightly brush debris from filter. Replace filter if it is
damaged, fuel soaked, very dirty, or the rubber sealing edges are
deformed.
5.
Install air filter cover.
Spark Plug
• Check periodically.
• The standard spark gap is 0.65
mm (0.026 in.).
• Fastening torque:13-17 N•m
(112-150 in•lbf).
0.65 mm (0.026 in.)