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Echo CS-680 - User Manual

Echo CS-680
38 pages
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inSTruCTiOn manuaL
CHain Saw
CS-680
WARNING
Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.
X750 316-511 0
echo, incorporated
400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400
1511Bj 0777 ESPrinted in Japan

Other manuals for Echo CS-680

Questions and Answers

  • L
    Lisa CrawfordAug 18, 2025
    How to troubleshoot no fuel at the carburetor of my Echo Chainsaw?
    • L
      Lisa VargasAug 18, 2025
      If your Echo Chainsaw has no fuel at the carburetor, the fuel filter or fuel line may be clogged, or there may be an issue with the carburetor itself. Clean or replace the fuel filter and fuel line to resolve this.
  • J
    Joseph SmallAug 20, 2025
    Why is my Echo CS-680 engine hard to start or not starting?
    • S
      Steven PattonAug 21, 2025
      If your Echo Chainsaw engine is hard to start or won't start, it could be due to a clogged fuel filter, which you should clean or replace. Another potential cause is a clogged fuel line, which requires cleaning. If these steps don't resolve the issue, the carburetor might be the problem.
  • M
    michaelallenAug 23, 2025
    What to do if there is no spark at the spark plug of my Echo Saw?
    • F
      frosalesAug 23, 2025
      If there's no spark at the spark plug of your Echo Saw, the spark gap might be incorrect; adjust it to 0.6 to 0.7 mm. The plug could also be covered with carbon or fouled with fuel, requiring cleaning or replacement. If the spark plug is defective, replace it.
  • D
    David PetersonAug 26, 2025
    Why is there no fuel at the carburettor when my Echo Saw cranks?
    • T
      tschultzAug 26, 2025
      If your Echo Saw engine cranks but fuel isn't reaching the carburetor, the fuel filter or fuel line might be clogged. Try cleaning or replacing the fuel filter, and cleaning the fuel line. If the issue persists, there may be a problem with the carburetor, and you should consult your ECHO dealer.
  • P
    pbaileyAug 27, 2025
    What to do if Echo CS-680 engine runs poorly?
    • K
      kiddandrewAug 28, 2025
      If your Echo Chainsaw engine is running poorly, several factors could be the cause. The air filter, fuel filter, or fuel vent might be dirty or blocked, requiring cleaning or replacement. The spark plug might need cleaning, adjustment, or replacement. Additionally, the carburetor may need adjustment, or the cooling system or exhaust port/spark arrestor screen could be blocked and in need of cleaning.
  • L
    Larry Martin DVMAug 29, 2025
    How to fix no spark at the plug on my Echo CS-680 Chainsaw?
    • M
      Mark KellyAug 30, 2025
      If there's no spark at the plug on your Echo Chainsaw, the spark gap may be incorrect and needs adjusting to 0.6 mm to 0.7 mm (0.024 to 0.028 in.). The spark plug could also be covered with carbon or fouled with fuel, requiring cleaning or replacement. Finally, the spark plug itself might be defective and need replacing.
  • C
    Courtney WoodsSep 1, 2025
    Why is the muffler wet with fuel on my Echo CS-680?
    • B
      Brandi ThomasSep 1, 2025
      If the muffler on your Echo Chainsaw is wet with fuel, it indicates that the fuel mixture is too rich. Try opening the choke. Additionally, try cleaning or replacing the air filter, or adjusting the carburetor.
  • K
    Kimberly TuckerSep 3, 2025
    Why does my Echo CS-680 Chainsaw die or accelerate poorly?
    • D
      David ChurchSep 4, 2025
      If your Echo Chainsaw dies or accelerates poorly, several factors could be the cause. A dirty air filter, fuel filter, or blocked fuel vent could be the culprit. Additionally, check the spark plug and carburetor. A blocked cooling system or exhaust port/spark arrestor screen can also cause these issues. Clean or replace the air filter, fuel filter, or spark plug to resolve the problem.
  • M
    Michelle RobinsonSep 6, 2025
    What to do if there is no spark at the plug in my Echo Chainsaw?
    • M
      Michael SimpsonSep 6, 2025
      If there's no spark at the plug of your Echo Chainsaw, it might be due to an incorrect spark gap, carbon buildup, fuel fouling, or a defective spark plug. Try adjusting the spark gap to 0.65 mm (0.026 in.).
  • J
    Joyce OrtizSep 8, 2025
    What to do if there is no spark at the end of plug wire on my Echo Chainsaw?
    • D
      douglassallySep 8, 2025
      If there is no spark at the end of the plug wire on your Echo Chainsaw, ensure the ignition switch is turned on. It could also indicate an electrical problem.

Summary

Rules for Safe Operation

Kickback Safety Precautions

Precautions to prevent kickback injuries when operating a chain saw.

Other Safety Precautions

General safety guidelines for operating a chain saw, covering various aspects.

Symbols and Warning Labels

Safety Alert Symbols (DANGER, WARNING, CAUTION)

Explains the meaning of DANGER, WARNING, and CAUTION safety alert symbols.

Prohibitory and Informational Symbols

Defines symbols indicating prohibited actions and providing notices.

Product Components and Identification

Symbol Definitions and Decals

Details meanings of symbols and important safety decals on the saw.

Packing List

Lists all components included with the ECHO chain saw for user verification.

Nomenclature of Parts

Identifies and illustrates all key parts of the chain saw with numbered references.

Operator Safety and Health

Health Risks: Vibration, Cold, RSI

Discusses health effects of vibration, cold, and repetitive stress injuries.

Personal Protective Equipment and Environmental Safety

Emphasizes PPE and safety for hot weather and hot surfaces.

Preparing the Chain Saw

Chain Brake Operation and Installation

Explains chain brake function, installation, and correct use.

Guide Bar, Chain, and Tension Adjustment

Covers mounting guide bar/chain and adjusting chain tension.

Fuel, Lubricants, and Emissions

Fuel and Two-Stroke Oil Specifications

Details recommended gasoline octane, fuel type, and two-stroke oil standards.

Fuel Handling, Storage, and Chain Lubrication

Guidelines for safe fuel handling, storage, and chain lubrication.

Emission Control Information

Provides data on emission control systems and compliance periods.

Operating the Chain Saw

Engine Starting Procedures

Step-by-step guides for starting the engine when cold or warm.

Running, Stopping, and Chain Checks

Covers operating the saw, safely stopping the engine, and checking chain tension/lubrication.

Cutting Techniques and Safety

General Cutting Practices and Kickback Avoidance

General safety rules and basic techniques for cutting, avoiding kickback.

Tree Felling, Limb Removal, and Bucking

Detailed instructions for tree felling, limb removal, and bucking logs.

Chain Brake Functionality and Seasonal Use

Automatic Chain Brake Operation and Testing

Procedure to check the automatic chain brake functionality.

Winter Operation and Bar;Chain Combinations

Precautions for winter use and recommended bar/chain combinations.

Maintenance and Troubleshooting

Maintenance Schedule and Skill Levels

Outlines maintenance tasks, intervals, and required skill levels.

Carburetor Adjustment Procedures

Detailed steps for adjusting the engine's carburetor for optimal performance.

Air Filter, Fuel System, and Spark Plug Maintenance

Instructions for inspecting and maintaining the air filter, fuel system, and spark plug.

Fuel and Oil Filter Maintenance

Procedures for checking and maintaining the fuel and oil filters.

Guide Bar, Sprocket, and Cylinder Fins Care

Maintenance tips for the guide bar, sprocket, and cylinder fins.

Muffler Spark Arrestor and Oiler Adjustment

Instructions for cleaning the spark arrestor and adjusting the automatic oiler.

Saw Chain Maintenance and Sharpening

Explains how to maintain, sharpen, and set the saw chain.

Depth Gauge Filing and Chain Care

Details on filing the depth gauge and general care of the saw chain.

Troubleshooting Common Issues

A guide to diagnosing and resolving common problems with the chain saw.

Storage and Technical Information

Storage After Use Procedures

Procedures for properly preparing and storing the chain saw after use.

Technical Specifications

Provides key technical specifications and dimensions for the CS-680 model.

Warranty Information

Warranty Coverage and Responsibilities

Outlines warranty coverage, responsibilities, and application periods.

Product Registration Process

Instructions for registering the product to activate warranty coverage.

Echo CS-680 Specifications

General IconGeneral
Chain Pitch3/8 in
Bar Length20 in
Fuel Capacity0.82 l
Oil Capacity0.36 l
Fuel Tank Capacity810 ml (27.4 fl oz)
Oil Tank Capacity0.36 l

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