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CS-450
WARNING
•Afterchokecontrolknobispulledandthenknob
is returned to original position, throttle remains
slightly open (latch condition).
•Thechainwillattempttorotatewhen
engine is started with throttle latch engaged.
•Donotstartenginebeforechainbrakeis
activated.
CAUTION
•Afterstartingtheengine,squeezethrottletrigger
slightly to release throttle latch, otherwise brake
damage may occur.
•Neverusethrottlelatchforcutting.
•Usethethrottlelatchonlyinstarting.
Chain brake
Choke
Choke control knob
Throttle trigger lockout
Throttle trigger
Purge pump
OPERATION
WARNING
Moving parts can amputate ngers or cause severe injuries. Keep hands, clothing and loose objects away from
all openings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a com-
plete stop before removing obstructions, clearing debris, or servicing unit.
WARNING
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause uncon-
sciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is
directed away from your face and body.
WARNING
Operation of this equipment may create sparks that can start res. This unit is equipped with a spark arrestor to
prevent discharge of hot particles from the engine. Metal blade use also can create sparks if the blade strikes
rocks, metal, or other hard objects. Contact local re authorities for laws or regulations regarding re prevention
requirements.
WARNING
The ignition components of this machine generate an electromagnetic eld during operation which may interfere
with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult
with their physician and the pacemaker manufacturer before operating this machine. In the absence of such
information, ECHO does not recommend the use of ECHO products by anyone who has a pacemaker.