Echo CS-680 Fuel and Lubricant, Fuel Statement, Gasoline Oil Gallons US. fl. oz 160 12.8 400

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FUEL AND LUBRICANT

WARNING

Alternative fuels, such as E-20 (20 % ethanol), E-85 (85 % ethanol) or any fuels not meeting above requirements are not approved for use in ECHO 2-stroke gasoline engines.

Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement.

Alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetor and other engine components.

Fuel Mix Chart 50 : 1

U.S.

Metric

 

Gasoline

Oil

Gasoline

 

Oil

Gallons

US. fl. oz.

L

 

mL

1

2.6

4

 

80

2

5.2

8

 

160

5

12.8

20

 

400

IMPORTANT

ss%#(/ PREMIUM 0OWER "LEND 8 05NIVERSAL 2-Stroke Oil may be mixed at 50 : 1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals.

ss5SESOF UNMIXED UIMPROPERLY MIXED IOR FUELOOLDERR than 90 days, (stale fuel), may cause hard starting, poor performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage section of this manual.

FUEL STATEMENT

GASOLINE - Use 89 Octane [(R+M)/2] (mid grade or higher) gasoline or gasohol known to be good quality.

Gasohol may contain up to 10 % Ethyl (grain) alcohol or 15 % MTBE (methyl teriary-butyl ether). Gasohol containing methyl (wood) alcohol is not approved.

TWO-STROKE OIL - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and JASO M345-FC/FD Standards must be used.

ECHO brand premium Power Blend X™ Universal 2-Stroke Oil meets these standards.

Engine problems due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and JASO M345-FC/FD certified oil, such as ECHO premium Power Blend X™, will void the two-stroke engine warranty.

CS-680

12

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Contents ECHO, Incorporated X750-012 20 X750 316-510Copyright 2008 All Rights Reserved Rules for Safe Operation CS-680Other Safety Precautions Contents Symbols and SignsDecals Symbol FormStop Idle speedEcho chain saw Warranty sheetPacking List Nomenclature of Parts X505-002041 Part NumberChain tension adjuster Device to adjust Manual oil pump Device for proper lubrication of chainOperator Safety Spark Arrestor Muffler Safety Requirement for chain sawsCorrect USE of Chain Brake Ansi Standard B175.1Guide BAR and SAW Chain INSTALLATION/REMOVAL Preparation for USEAdjusting Chain Tension Gasoline Oil Gallons US. fl. oz 160 12.8 400 Fuel and LubricantFuel Statement Emission Control Emission DataHandling Fuel Cap indication OperationChain Lubricant ChokeOpen When the Engine is ColdWhen the Engine is Warm firing sound, pull throttle trigger to release chokeChecking Chain Tension RunningStopping Chain Lubrication TestKickback Cutting InstructionGeneral Felling the Tree Uphill position Finish cut First cut Board or flat stones LimbingBucking Chain brake function Testing the BrakeChain Brake Operation Chain brake unlockStop the engine Automatic Chain BrakeWinter Operation SAW Chain Chain and Guide BAR CombinationGuide BAR Component / system Maintenance procedure Maintenance and CareMaintenance Intervals Skill LevelsCS-680 Cutting attachment must not move when unit is idling Carburetor AdjustmentIdle adjusting screw High speed needle H Low speed needle L Turn screw out, CCW, an additional ¼ turnSpark Plug AIR FilterCheck Fuel System Fuel FilterMuffler Spark Arrestor SprocketCylinder Fins Automatic OilerHold the file tipped 10 upward Setting the SAW ChainSetting SAW Chain CS-680 Cause Remedy TroubleshootingProblem Ss 3TOREOIN a DRY Area Freerfrom DUST Technical DataStorage After USE Warranty Statements ExceptionsPurchased Repair PARTS, Short Blocks and Accessories CS-680 C03203001001/C03203999999
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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.