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WHEN THE ENGINE IS HARD TO
START
• Press throttle control lockout down while holding throttle
trigger and push in latch.
• Pull starter handle.
• When engine starts, immediately push throttle trigger
up, to release the latch.
CAUTION
Clutch engages and chain will rotate when engine is started
with throttle latch engaged.
After engine starts, release throttle trigger to idle engine.
Never use the latch for cutting.
Use it only when starting the engine.
CS-3450
CS-3000
CS-3400
START / RUN
STOP
On / Off switch
On / Off switch
START / RUN
STOP
Make sure bar and chain are not touching anything when starting
the saw.
Securely hold the saw.
Do not pull starter rope out to the maximum possible position.
Do not allow recoil handle to snap back against the casing.
STARTING WARM ENGINE
• Ensure that there is fuel and chain oil in the tanks.
(If fuel tank was emptied during previous operation, refill
tank and push purge bulb 3 or 4 times.)
• Turn switch to “RUN” position.
• Pull starter handle.
• Choke may be used if necessary but be sure to push it
back on first firing sound.
Purge bulb
RUN
START
(PULL)
Choke knob
NOTE
If engine does not start after 4 pulls, use cold start proce-
dure.
RUNNING
• After engine starts, allow it to idle for a few minutes.
• Squeeze throttle trigger with throttle control lockout
gradually to increase engine speed.
• Saw chain starts running when the engine reaches
approximately 4200 rpm.
• Ensure proper acceleration and lubrication of chain and
bar.
• Do not run the engine at high speed unnecessarily.
• Be sure that saw chain stops moving when throttle
trigger is released.
STOPPING
• Release throttle trigger and turn switch to STOP posi-
tion.
(NOTE)
When engine does not stop, pull choke out fully to stop
engine.
Check and repair stop switch before starting the engine
again.