OPERATION CS-310
30 X7503275401
© 02/2019 ECHO Inc.
1. Move chain brake lever fully
FORWARD to LOCK chain brake
before starting.
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) UP 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.