CS-450 OPERATION
© 09/2013 ECHO Inc.
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Moving parts can amputate fingers 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 complete stop before removing obstructions, clearing debris, or servicing unit.
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause
unconsciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit
so that exhaust is directed away from your face and body.
Operation of this equipment may create sparks that can start fires. This unit is equipped with a spark
arrestor to prevent discharge of hot particles from the engine. Metal cutters can also create sparks if
the cutter strikes rocks, metal, or other hard objects. Contact local fire authorities for laws or
regulations regarding fire prevention requirements.
Winter Operation
Air cleaner cover - Use the winter plug (A) to prevent carburetor
trouble in winter.
• Remove air cleaner cover. Remove plug from warm weather
position (B), and install into cold weather position (C).
Note: For operation at normal temperature (5°C, 41°F) return the
plug to its original position. To prevent over heating of the
engine.
Starting Cold Engine
Make sure the bar and chain are free from any obstruction
when starting the chain saw.
1. Move chain brake lever fully forward to lock chain brake
before starting.
A
C
B
For more information
scan this QR code.
Chain brake