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CS-310 OPERATION
© 08/2013 ECHO Inc.
X7503270007 21
2. Fill the fuel tank with fuel mixture. Do not over fill.
3. Fill the chain oil tank with lubricant. Do not over fill.
4. Move ignition switch (A) to “RUN” position.
5. Push purge pump (B) 3 to 4 times or until fuel is visible in
purge pump.
6. Pull choke control knob all the way out (Closed Choke)
position.
• After choke control knob is pulled and then knob is
returned to original position, throttle remains slightly open
(fast idle latch condition).
• The chain will attempt to move when engine is started with
fast idle throttle latch engaged.
• Do not start engine before chain brake is locked.
7. Securely hold the chain saw and pull starter handle several
times until first starting sound.
8. Push choke control knob all the way in.
9. Pull starter handle to start the engine.
Note: Do not pull starter rope out to the maximum possible
position.
Do not allow recoil handle to snap back against the
casing.
• After starting the engine, immediately squeeze and then release throttle trigger to release fast idle
throttle latch, otherwise severe brake damage may occur.
• Never use fast idle throttle latch for cutting.
• Use the fast idle throttle latch only in starting.
Note: If engine does not start after 5 pulls, repeat instructions.
Note: Do not increase engine speed while chain brake is locked.
Severe brake damage will result.
A
B