CS-3510 MAINTENANCE
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© 8/20 ECHO Incorporated
6. Accelerate to full throttle for 2 - 3 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.
Spark Plug
• Check periodically.
• The standard spark gap is 0.65
mm (0.026 in.).
• Fastening torque: 13-17 N•m
(110-150 in•lbf).
1. Remove cylinder cover and
remove spark plug.
2. Correct the spark gap if it is wider or narrower than the standard gap.
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