MAINTENANCE CS-3410
46 X7503361801
© 10/23 ECHO Incorporated
When carburetor adjustment is completed, the saw chain
should not move at idle, otherwise serious personal injury can
result.
6. Accelerate to full throttle for two to three seconds to clear any excess
fuel in the engine, then return to idle. Accelerate engine to full throttle to
check for smooth transition from idle to high speed. If engine hesitates
turn “L” needle CCW 1/8 turn and repeat acceleration. Continue
adjustment until smooth acceleration results.
7. Check idle speed and reset if necessary as described in item 5. If a
tachometer is available idle speed should be set to value listed on
specifications page.
When starting, idling adjustment speed should be adjusted to
prevent the saw chain from moving. When you experience
trouble with the carburetor, contact your dealer.
Air Filter
1. Check before every use.
2. CLOSE choke ( ).
3. Press hand guard FORWARD
and LOCK chain brake.
4. Release the cylinder cover
latches (A) and remove cylinder
cover (B).
5. Lift the tabs (C) on the air filter
and remove the air filter (D).
6. Lightly brush dust off air filter, or clean with compressed air, or replace
the air filter.
7. Install air filter and cylinder cover, engage latches.
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