Chain tension adjuster Device to adjust chain tension

NOMENCLATURE OF PARTS

1.Instruction manual - Included with unit. Read before operation and keep for future reference to learn proper, safe operating techniques.

2.Safety manual - Describe operating and safety instructions for this chain saw.

3.Spiked bumper - Device, fitted in front of the guide bar mounting point, acting as a pivot when in contact with a tree or log.

4.Spark arrestor muffler - The spark arrestor muffler controls the exhaust noise and prevents hot, glowing particles of carbon from leaving the muffler.

5.Front hand guard - Guard between the front handle and the saw chain for protecting the hand from injuries and aiding in control of the chain saw if the hand slips off the handle. This guard is used to lock the chain brake which is to stop the saw chain rotation.

6.Air cleaner cover - Covers air cleaner.

7.Rear handle (for the right hand) - Support handle located towards the rear of the engine housing.

8.Choke control knob - Device for enriching the fuel/air mixture in the carburetor to aid cold starting.

9.Rear hand guard - Extension on the lower part of the rear handle for protecting the hand from the chain if it breaks or degrooves.

10.Clutch cover - Protective cover to the guide bar, saw chain, clutch and sprocket when the chain saw is in use.

11.Chain tension adjuster - Device to adjust chain tension.

12.Chain catcher - A projection designed to reduce the risk of the operator’s right hand from being hit by a chain which has broken or derailed from the guide bar during cutting.

13.Guide bar - The part that supports and guides the saw chain.

14.Saw chain - Chain, serving as a cutting tool.

15.Oil tank cap - For closing the oil tank.

16.Starter handle - Pull handle slowly until starter engages then quickly and firmly. When engine starts, return handle slowly.

DO NOT let handle snap back or damage to unit will occur.

17.Fuel tank cap - For closing the fuel tank.

18.Manual oil pump - Device for proper lubrication of chain.

19.Throttle trigger - Device activated by the operator’s finger, for controlling the engine speed.

20.Throttle trigger lockout - A safety lever which must be depressed before the throttle trigger can be activated in order to prevent the accidental operation of the throttle trigger.

21.Ignition switch - Device for connecting and disconnecting the ignition system and thus allowing the engine to be started or stopped.

22.Front handle (for the left hand) - Support handle located at the front of the engine housing.

23.Cylinder cover - The cooling airflow grill.

It covers the cylinder, spark plug and silencer.

CS-680

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.