Echo CS-680 instruction manual Sprocket, Cylinder Fins, Muffler Spark Arrestor, Automatic Oiler

Page 28

Groove

Oil hole

Clutch (Sprocket)

Worn : 0.5 mm (0.020 in.)

GUIDE BAR

•Clean before using.

-Clean the groove of the guide bar with a small screwdriver.

-Clean oil holes with a wire.

•Reverse guide bar periodically.

•Check sprocket and the clutch and clean the bar mount area before installation of the bar. Replace either or both if worn.

SPROCKET

•A damaged sprocket will cause premature damage or wear of saw chain.

-When the sprocket has worn out 0.5 mm (0.020 in.) or more, replace it.

•Check sprocket when you install new chain. Replace it if worn.

Cylinder fins

Muffler

Screen cover

Spark arrestor screen

CYLINDER FINS

•Check periodically.

•Clogged fins will result in poor engine cooling.

•Remove dirt and dust from between fins to let cooling air pass easily.

MUFFLER SPARK ARRESTOR

•Remove air cleaner cover and remove spark plug lead.

•Remove spark arrestor screen cover and screen from muffler body.

•Clean carbon deposits from muffler components.

•Replace screen if it is cracked, or has holes burned through.

•Assemble components in reverse order.

 

 

NOTE

 

 

Carbon deposits in muffler will cause drop in

 

 

engine output. Spark arrestor screen must be

 

 

checked periodically.

Increase

Decrease

AUTOMATIC OILER

• The discharge volume of the automatic oiler is

 

 

 

 

adjusted to 8 mL/min approximately at 7000 r/min,

 

 

prior to shipment from factory.

 

 

- To increase the delivery volume, turn the

 

 

adjusting knob clockwise.

 

 

When the knob touches stopper and stops,

 

 

this position indicates maximum discharge

 

 

volume. (15 mL/min at 7000 r/min)

 

Adjusting knob

- Do not turn the adjusting knob beyond the

 

 

maximum or minimum limit of volume

 

 

adjustment.

CS-680

 

26

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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 WarmRunning StoppingChecking Chain Tension 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 idlingAIR Filter Check Fuel SystmSpark Plug Fuel FilterSprocket Cylinder FinsMuffler Spark Arrestor 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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