Echo CS-680 instruction manual Chain Brake Operation, Testing the Brake

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Kickback motion

Kickback motion

Chain brake function

When the lever is pushed forward, chain brake instantly stops the chain.

Chain brake unlock

When the lever is fully pulled, toward the operator, brake is unlocked.

CHAIN BRAKE OPERATION

•Set the lever in the unlocked position before starting to cut.

•If the brake is tripped by kickback reaction, the chain will stop immediately. Release the throttle to avoid possible damage to the engine or clutch.

•Do not attempt to operate the engine with the brake locked.

TESTING THE BRAKE

•Start the engine on a solid level surface and run at a fast idle until warm.

•Hold the saw firmly by the handles and accelerate the engine to a fast idle.

•Slowly operate the chain brake lever while holding the saw firmly on the ground.

When the brake lever trips, the chain should stop.

Immediately release the throttle trigger.

WARNING

If the chain does not stop immediately, return the saw to your authorized ECHO dealer for repair.

NOTE

•For practice, while cutting a small tree, push the lever forward to lock the brake.

•Confirm that the brake works properly before each use.

•If the chain brake is clogged with wood chips, function of the brake may deteriorate. Always keep the device clean.

•Do not increase engine revolution while the chain brake is locked.

•Use the chain brake only in starting or in emergencies.

•When using throttle latch at starting, keep the chain brake locked.

And after starting the engine, unlock the brake immediately.

IMPORTANT

Do not allow the saw to tip forward in order to avoid damage to the chain.

CS-680

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Contents Chain SAW Copyright Kickback Safety Precautions for Chain Saw Users Rules for Safe OperationOther Safety Precautions Contents Symbols and SignsSymbol Form DecalsPacking List Nomenclature of Parts X505-002040 Part NumberChain tension adjuster Device to adjust chain tension Operator Safety Correct USE of Chain Brake Spark Arrestor MufflerGuide BAR and SAW Chain INSTALLATION/REMOVAL Preparation for USEAdjusting Chain Tension Fuel and Lubricant Fuel StatementHandling Fuel Mixing InstructionsOperation Chain LubricantWhen the Engine is Cold When the Engine is WarmChecking Chain Tension RunningStopping Chain Lubrication TestCutting Instruction GeneralFelling the Tree Limbing BuckingTesting the Brake Chain Brake OperationAutomatic Chain Brake Winter OperationGuide BAR Chain and Guide BAR CombinationSAW Chain Maintenance Intervals Maintenance and CareSkill Levels Carburetor Adjustment Cutting attachment must not move when unit is idlingSpark Plug AIR FilterCheck Fuel Systm Fuel FilterMuffler Spark Arrestor SprocketCylinder Fins Automatic OilerSetting the SAW Chain Setting SAW ChainCS-680 Troubleshooting Problem Cause RemedyTechnical Data Storage After USE
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CS-680 specifications

The Echo CS-680 is a powerful and versatile chainsaw designed for both professional arborists and enthusiastic homeowners. Renowned for its reliability, performance, and ease of use, the CS-680 stands out in the competitive chainsaw market. It is particularly useful for those who need to tackle demanding cutting tasks while ensuring precision and control.

One of the main features of the CS-680 is its robust 67.9 cc engine, which provides an impressive power-to-weight ratio. This high-displacement engine delivers ample torque and speed, enabling users to easily cut through hardwoods and take on larger cutting projects. The chainsaw’s engine is equipped with a patented decompression valve that ensures easier starts, especially in cold weather. This feature significantly reduces the effort required to pull the starter rope, making it an excellent choice for users who may not have the strength of professional operators.

The Echo CS-680 comes with a 20-inch bar, allowing for deep cuts while maintaining maneuverability. Its precision-engineered chain ensures clean cuts and reduces kickback, enhancing safety during operation. The saw's automatic chain lubrication system keeps the chain properly lubricated during use, increasing its lifespan and performance. Additionally, the side-access chain tensioner allows for quick and easy adjustments without the need for additional tools, ensuring minimal downtime during projects.

Another notable characteristic of the CS-680 is its vibration-dampening technology. This system reduces the amount of vibration transmitted to the operator, leading to enhanced comfort during long periods of use. This is especially beneficial for professionals who rely heavily on their tools and need to mitigate fatigue.

The construction of the Echo CS-680 incorporates high-quality materials, providing rugged reliability. It features a heavy-duty air filter system that extends engine life by ensuring maximum air cleanliness. The chainsaw is also designed with a lightweight yet durable frame, making it easy to handle while still being tough enough to withstand the rigors of heavy use.

In summary, the Echo CS-680 chainsaw combines power, efficiency, and user-friendly features, making it an excellent choice for anyone looking to tackle serious cutting tasks with confidence. Its innovative technologies and engineering provide reliability and performance, ensuring it can handle the toughest jobs while remaining comfortable for the operator. Whether for professional or personal use, the Echo CS-680 is a dependable tool that meets the demands of its users.
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