1/5

One fifth of file diameter remains above cutter edge

Depth gauge tool

Remove until flat with tool

Round off the edge

Place the depth gauge tool firmly on guide bar so that depth gauge protrudes.

Then file top of depth gauge with the flat file until flat with top of the depth gauge tool.

-Be sure to round off the front edge of the depth gauge.

 

60°

25°

 

Top plate filing angle

Side plate angle

60°

 

0.64 mm (0.025 in.)

Top plate cutting angle Depth gauge Parallel

Properly filed cutters are shown in illustration.

When setting of the chain is finished, soak it in oil and wash away filings completely before using.

-When chain has been filed on the bar, supply sufficient oil to it, rotate the chain slowly to wash away the filings before using again.

-If the chain saw is operated with filings clogged in the groove, the saw chain and the guide bar will be damaged prematurely.

-If the saw chain becomes soiled with resin, for instance, clean it with kerosene and soak in it oil.

NOTE

These angles are referred to as Oregon 72LPX or 72V.

To sharpen other follow chain manufacturer’s instruction.

CS-680

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Echo CS-680 instruction manual

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.