Instructions / Assembly
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© 1/2017 ECHO Inc.
CS-400 OPERATION
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.
8. Push choke control knob all the way IN
(OPEN choke position).
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.
A
B