6 Common Echo CS-590 Problems and Their Solutions

When you own a tool as reliable and efficient as the Echo CS-590 chainsaw, you want it to perform at its best every time you use it. However, even the most robust equipment can face common issues from time to time. In this comprehensive guide, we’ll delve into the common problems that Echo CS-590 owners might encounter and provide detailed solutions to help you keep your chainsaw in prime working condition.

Brief Overview of the Echo CS-590 Chainsaw

The Echo CS-590 chainsaw is a popular choice among both homeowners and professionals. Known for its reliability and performance, this chainsaw is an invaluable tool for a variety of cutting tasks. However, like any mechanical device, it can face some common problems. In this guide, we will explore these issues and provide you with solutions to keep your Echo CS-590 running smoothly.

Importance of Addressing Common Problems

Regular maintenance and addressing common problems are essential to ensure your Echo CS-590 remains in top-notch working condition. Neglecting these issues can not only lead to decreased performance but also safety hazards. By being aware of the common problems and how to solve them, you can extend the life of your chainsaw and ensure it operates at its best.

Preview of the Six Common Problems and Their Solutions

We will delve into six common issues that Echo CS-590 owners might encounter during their chainsaw’s lifespan. Each problem will be accompanied by a detailed solution to help you troubleshoot and get your chainsaw back in action.

Problem 1: Difficulty Starting the Chainsaw

One of the most frustrating issues you may encounter with your Echo CS-590 chainsaw is difficulty starting it. You pull the cord, and nothing happens. Before you worry too much, let’s explore some of the potential causes of this problem and provide you with a step-by-step guide to troubleshoot and solve these starting issues.

Potential Causes

Starting problems can be attributed to a variety of factors, including:

1. Fuel Issues: If the fuel in your chainsaw is old or contaminated, it may not ignite properly. Stale fuel, water in the fuel tank, or incorrect fuel-to-oil ratios can all lead to starting problems.

2. Spark Plug Problems: The spark plug is a crucial component in the ignition process. A dirty or fouled spark plug, or a damaged spark plug wire, can prevent the engine from starting.

3. Choke Position: Using the choke correctly is essential. If you forget to use it when starting the engine or leave it engaged for too long, it can cause problems.

4. Air Filter Blockage: A clogged air filter restricts airflow to the engine, affecting combustion. This can result in starting issues.

5. Decompression Valve: The Echo CS-590 is equipped with a decompression valve to ease starting. If it’s malfunctioning or not used properly, it can make starting the chainsaw harder.

Step-by-Step Guide to Troubleshooting and Solving Starting Problems

1. Check the Fuel:

  • Ensure you have fresh, clean, and properly mixed fuel in the tank. Refer to your Echo CS-590’s user manual for the correct fuel-to-oil ratio.
  • Empty the old fuel if it’s contaminated or stale and replace it with fresh fuel.

2. Inspect the Spark Plug:

  • Remove the spark plug using a spark plug wrench.
  • Examine the spark plug for fouling, damage, or excessive carbon buildup.
  • If the spark plug is dirty or damaged, replace it with a new one that matches your Echo CS-590’s specifications.

3. Choke Position:

  • Ensure the choke is set to the correct position. Typically, you’ll need to engage the choke when starting the chainsaw and then disengage it after a few pulls or once the engine starts running.

4. Clean the Air Filter:

  • Remove the air filter cover and take out the air filter.
  • Inspect the air filter for dirt and debris. If it’s dirty, clean it or replace it with a new one.
  • Reassemble the air filter and cover.

5. Decompression Valve:

  • Make sure you’re using the decompression valve correctly. Press it in before starting and release it once the engine is running.

6. Pull Cord Smoothly:

  • While pulling the starter cord, do so smoothly and with a consistent motion. Jerky or erratic pulls can make starting difficult.

7. Prime the Engine:

  • If the engine is cold, prime it by pressing the primer bulb a few times. This helps introduce fuel to the carburetor for easier starting.

8. Consult the Manual:

  • When in doubt, consult your Echo CS-590’s user manual for specific starting instructions and troubleshooting tips.

By following these steps, you can diagnose and resolve the starting problems you may encounter with your Echo CS-590 chainsaw. Keep in mind that regular maintenance, including cleaning the air filter and replacing the spark plug, can go a long way in preventing starting issues. Proper fuel and oil mixture is also crucial for smooth and reliable starts.

Problem 2: Chain Dullness and Ineffective Cutting

Few things are more frustrating when using your Echo CS-590 chainsaw than a dull chain. You pull the trigger, and instead of smoothly cutting through the wood, it labors and struggles. Understanding why chains dull over time and learning proper chain maintenance and sharpening techniques is essential for maintaining the efficiency of your chainsaw. In this section, we’ll delve into these aspects and provide you with tips to optimize your cutting performance.

Explanation of Why Chains Dull Over Time

Chainsaw chains naturally become dull with use due to various factors, including:

1. Normal Wear: As the chain makes contact with wood, the sharp cutting edges wear down gradually.

2. Dirty Wood: Cutting dirty or sap-covered wood can accelerate chain dulling. The grit and sap can erode the sharpness of the chain.

3. Rocks and Debris: Contact with rocks or debris can cause immediate damage to the chain’s cutting teeth.

4. Chain Tension: Incorrect chain tension can lead to uneven wear and premature dulling of the chain.

5. Inadequate Lubrication: Improper lubrication can create excess friction, causing the chain to heat up and lose its sharpness.

Proper Chain Maintenance and Sharpening Techniques

Maintaining a sharp chain is vital for efficient cutting. Here’s a guide on how to keep your Echo CS-590 chain in top-notch condition:

1. Regular Inspection:

  • Periodically inspect your chain for signs of wear and damage.
  • Check for loose or damaged links, as these can impact cutting performance.

2. Chain Tension:

  • Ensure your chain is properly tensioned. A loose chain can result in kickback, while an overly tight chain can damage the bar and chain.

3. Clean Your Chain:

  • Clean the chain after each use. Remove sawdust, debris, and sap to prevent accelerated wear.

4. File Your Chain:

  • Sharpen the chain using a round file of the appropriate size. Follow the manufacturer’s guidelines for the correct file size.

5. Maintain the Right Angles:

  • Maintain the proper angles when filing your chain. The top-plate angle, side-plate angle, and depth gauge setting should all be maintained.

6. Depth Gauge Adjustment:

  • Periodically adjust the depth gauges to the manufacturer’s specifications. These controls the depth to which the chain bites into the wood.

7. Use a Professional Sharpener:

  • Consider using an electric chain sharpener for consistent and efficient sharpening. These machines ensure uniformity and accuracy.

Tips for Optimizing Cutting Performance

Maintaining a sharp chain is just one part of the equation for optimal cutting performance. Here are some additional tips:

1. Chain Lubrication: Ensure the chain is adequately lubricated. The Echo CS-590 has an automatic oiling system, but regularly check the oil level and adjust if needed.

2. Proper Technique: Use proper cutting techniques, including the use of a guide bar and cutting against the grain of the wood.

3. Keep It Cool: Avoid overheating the chain by allowing it to cool down during extended use.

4. Chain Rotation: Periodically flip the chain or replace it if one side is significantly more worn than the other.

Maintaining a sharp chain and optimizing your cutting performance will not only make your work easier but also prolong the life of your Echo CS-590 chainsaw. Regular maintenance and following these guidelines will ensure your chainsaw remains a reliable and efficient cutting tool for years to come.

Problem 3: Engine Overheating

Engine overheating is a concerning issue for any Echo CS-590 chainsaw owner. It not only affects the performance of the tool but also poses potential safety risks. In this section, we will explore the causes of engine overheating, including the role of air filter clogs, and provide preventive measures and cooling solutions to keep your chainsaw running smoothly and safely.

Causes of Engine Overheating

Several factors can contribute to engine overheating in your Echo CS-590 chainsaw, with one of the most common being air filter clogs. Here are the primary causes:

1. Air Filter Clogs: The air filter is essential for preventing dust and debris from entering the engine. Over time, it can become clogged with sawdust, dirt, and other particles, reducing the airflow to the engine.

2. Lean Fuel Mixture: If the carburetor is set to a fuel mixture that is too lean (not enough fuel relative to air), it can cause the engine to overheat.

3. Continuous Operation: Extended periods of continuous operation without breaks can cause the engine to overheat. The engine requires short rest periods to cool down during use.

4. Incorrect Fuel Mixture: Using an incorrect fuel-to-oil mixture can impact the engine’s cooling and lead to overheating.

5. Low Oil Level: The Echo CS-590 has an automatic oiling system to lubricate the chain and bar. If the oil level is low, it can lead to excess friction and heat in the chain and bar, potentially affecting the engine’s temperature.

Preventive Measures and Cooling Solutions

Preventing engine overheating and managing the issue when it occurs is crucial. Here are some preventive measures and cooling solutions to consider:

1. Regular Air Filter Maintenance:

  • Inspect and clean or replace the air filter regularly to ensure optimal airflow to the engine.

2. Check the Fuel Mixture:

  • Ensure the carburetor is correctly adjusted to provide an appropriate fuel mixture. Follow the manufacturer’s guidelines.

3. Take Breaks:

  • Avoid extended periods of continuous operation. Give your chainsaw short breaks to cool down to prevent overheating.

4. Use the Correct Fuel Mixture:

  • Always use the recommended fuel-to-oil mixture to maintain proper lubrication and prevent overheating.

5. Monitor Oil Levels:

  • Keep an eye on the oil reservoir level and ensure it is adequately filled to maintain proper chain and bar lubrication.

6. Clean the Cooling Fins:

  • Clean any dirt or debris from the engine’s cooling fins to facilitate efficient heat dissipation.

7. Avoid Overloading:

  • Do not push your chainsaw beyond its capacity. Use the appropriate guide bar and chain size for the tasks at hand.

8. Maintain Chain Tension:

  • Keep the chain tensioned correctly to reduce friction and heat buildup.

9. Review the User Manual:

  • Consult your Echo CS-590 user manual for specific maintenance instructions and recommendations to prevent overheating.

By following these preventive measures and employing cooling solutions, you can reduce the risk of engine overheating and keep your Echo CS-590 operating safely and efficiently. Maintaining the proper air filter and paying attention to fuel mixtures, cooling, and lubrication will go a long way in ensuring the longevity and optimal performance of your chainsaw.

Problem 4: Chain Slippage

Chain slippage can be a frustrating and even dangerous issue when using your Echo CS-590 chainsaw. It not only affects your work’s efficiency but also poses safety risks. In this section, we will explore the causes of chain slippage, the importance of proper chain tension, and provide a step-by-step guide to tension adjustment and maintenance.

Causes of Chain Slippage and the Importance of Tension

Chain slippage is primarily caused by incorrect chain tension. The chain on your Echo CS-590 should be snug against the guide bar but still able to move freely. Common causes and the importance of tension include:

1. Loose Chain: If the chain is too loose, it can slip off the guide bar during operation, leading to safety hazards and decreased cutting efficiency.

2. Bar Wear: Over time, the guide bar can wear unevenly. This can impact chain tension, leading to slippage.

3. Damaged Drive Sprocket: A damaged drive sprocket can prevent the chain from engaging correctly, causing it to slip.

4. Chain Stretch: Chains naturally stretch with use. Regular maintenance is essential to ensure the correct tension is maintained.

5. Heat and Vibration: Prolonged use in tough conditions, high heat, and excessive vibration can impact the chain’s tension.

Proper chain tension is essential for safety and optimal cutting performance. It ensures that the chain remains securely in place during operation, reducing the risk of accidents and maintaining efficient cutting.

Step-by-Step Guide to Tension Adjustment and Maintenance

Here’s how you can adjust and maintain the proper chain tension on your Echo CS-590 chainsaw:

1. Safety First:

  • Ensure the chainsaw is powered off and the engine is cool before starting any maintenance.

2. Check the Chain:

  • Examine the chain for signs of damage, wear, or dullness. Replace or sharpen the chain if necessary.

3. Inspect the Guide Bar:

  • Examine the guide bar for wear, burrs, or other defects. Replace the guide bar if it’s damaged.

4. Loosen the Bar Nuts:

  • Use a socket wrench to slightly loosen the bar nuts that secure the guide bar.

5. Adjust the Tension:

  • Turn the tensioning screw located on the side of the chainsaw. Tighten it to increase tension and loosen it to decrease tension.

6. Check Chain Tension:

  • Pull the chain by hand to ensure it moves freely along the guide bar but is snug against it. The chain should not sag from the bottom of the guide bar.

7. Tighten the Bar Nuts:

  • Once the chain is correctly tensioned, tighten the bar nuts securely. Make sure the guide bar remains straight during this process.

8. Test the Chain:

  • Rotate the chain manually along the guide bar to ensure it moves freely and is correctly tensioned.

9. Lubricate the Chain:

  • After tension adjustment, lubricate the chain and guide bar with bar and chain oil.

10. Recheck Tension:

  • Recheck the chain tension after starting the chainsaw to ensure it remains properly tensioned.

Regularly monitoring and adjusting your chain’s tension is a critical part of chainsaw maintenance. Proper tension not only ensures efficient cutting but also reduces the risk of chain slippage, which can lead to dangerous situations. Following this step-by-step guide and practicing regular maintenance will help keep your Echo CS-590 chainsaw safe and performing at its best.

Problem 5: Oil Pump Issues

Proper lubrication is crucial for the longevity and performance of your Echo CS-590 chainsaw. When oil pump problems occur, such as the oil not reaching the chain, it can result in suboptimal performance and even potential damage to your chainsaw. In this section, we will explain the common oil pump issues and provide you with a guide on how to troubleshoot and repair the oil pump.

Explanation of Oil Pump Problems

Oil pump issues, such as inadequate oil reaching the chain, can have various causes, including:

1. Clogged Oil Ports: Sawdust and debris can clog the oil ports, preventing the oil from reaching the chain.

2. Dirty Oil Filter: Over time, the oil filter can become dirty, restricting the flow of oil.

3. Oil Line Obstructions: Blockages or kinks in the oil lines can impede the oil’s journey to the chain.

4. Worn or Damaged Pump Components: The oil pump’s internal components, such as the worm gear or diaphragm, can wear out or become damaged, affecting oil delivery.

5. Incorrect Oil Viscosity: Using the wrong oil viscosity can affect the pump’s ability to circulate oil effectively.

How to Troubleshoot and Repair the Oil Pump

If you encounter oil pump issues with your Echo CS-590 chainsaw, follow these steps to troubleshoot and repair the oil pump:

1. Check the Oil Reservoir:

  • Ensure the oil reservoir is adequately filled with the appropriate bar and chain oil.

2. Clean the Oil Ports:

  • Examine the oil ports for any sawdust or debris clogs. Use a small tool or compressed air to clear any obstructions.

3. Inspect the Oil Filter:

  • Remove the oil filter and clean or replace it if it’s dirty or clogged.

4. Examine the Oil Lines:

  • Check the oil lines for obstructions or kinks. Straighten or clear any issues you find.

5. Lubricate the Pump Components:

  • Apply a few drops of oil to the pump’s internal components to ensure smooth operation.

6. Test the Oil Flow:

  • With the chainsaw running, hold the tip of the guide bar near a piece of light-colored cardboard or wood. Rev the engine a few times to check if oil is being dispensed onto the surface. If you see oil on the cardboard or wood, the pump is functioning.

7. Adjust the Oil Flow:

  • If you notice insufficient oil reaching the chain, adjust the oil pump’s output using the adjustment screw, usually located near the bar and chain.

8. Replace Worn Components:

  • If the above steps do not resolve the issue, consider replacing worn or damaged oil pump components. Consult your Echo CS-590’s user manual for specific part numbers and replacement instructions.

9. Use the Correct Oil:

  • Ensure you are using the manufacturer-recommended bar and chain oil with the appropriate viscosity for your chainsaw.

By following these troubleshooting steps and maintaining your chainsaw’s oiling system, you can resolve oil pump issues and ensure proper lubrication of the chain and bar. Adequate lubrication is essential for reducing friction, extending the life of your chainsaw, and maintaining optimal cutting performance with your Echo CS-590.

Problem 6: Excessive Vibration

Excessive vibration can not only make your Echo CS-590 chainsaw uncomfortable to use but also pose risks of fatigue and discomfort for the operator. In this section, we’ll explore the causes of excessive vibration and provide tips for reducing it, ultimately improving user comfort and safety.

Causes of Excessive Vibration in the Echo CS-590

Several factors can contribute to excessive vibration in your Echo CS-590 chainsaw:

1. Chain and Bar Issues: A damaged or improperly tensioned chain and bar can create imbalance and vibrations.

2. Loose Fasteners: Loose screws, nuts, or bolts, such as those holding the guide bar or chain, can amplify vibrations.

3. Damaged or Worn Components: Worn-out or damaged engine mounts or handles can contribute to increased vibration.

4. Unbalanced Chain: If the chain is unevenly sharpened or has uneven teeth, it can lead to vibrations during operation.

5. Engine Issues: Problems with the engine’s fuel-air mixture or the ignition system can affect the engine’s smoothness, resulting in vibration.

Tips for Reducing Vibration and Improving User Comfort

Here are some tips for reducing vibration and enhancing user comfort while using your Echo CS-590 chainsaw:

1. Inspect the Chain and Bar:

  • Examine the chain and bar for damage, wear, or incorrect tension. Replace or adjust them as needed.

2. Tighten Fasteners:

  • Regularly check and tighten all screws, nuts, and bolts to ensure they are secure.

3. Replace Damaged Components:

  • If you notice worn-out or damaged engine mounts or handles, replace them to reduce vibration.

4. Balance the Chain:

  • Ensure the chain is properly sharpened and balanced to reduce vibration during cutting.

5. Maintain the Engine:

  • Regularly service the engine, including cleaning or replacing the air filter, and maintaining the ignition system and spark plug.

6. Proper Technique:

  • Use the correct cutting technique. Ensure the chain contacts the wood at the right angle and avoid forcing the chainsaw through the cut, as this can generate excess vibrations.

7. Personal Protective Equipment:

  • Wear anti-vibration gloves and consider using a chainsaw helmet with earmuffs and a face shield to protect against vibration and noise.

8. Anti-Vibration Mounts:

  • Some chainsaws may allow for the installation of anti-vibration mounts to reduce the transmission of vibration to the user.

9. Take Breaks:

  • Give yourself and the chainsaw short breaks during extended use to reduce operator fatigue.

10. Regular Maintenance:

  • Maintain your Echo CS-590 chainsaw by following the manufacturer’s recommended maintenance schedule. Regular servicing will help keep the chainsaw operating smoothly.

Reducing vibration not only enhances user comfort but also prolongs the life of your Echo CS-590 chainsaw and ensures safe and efficient operation. By following these tips and regularly inspecting and maintaining your chainsaw, you can minimize the discomfort and fatigue caused by excessive vibration, allowing you to work more comfortably and safely.


As we wrap up our journey through the common problems and solutions for the Echo CS-590 chainsaw, it’s crucial to reflect on the issues we’ve explored, their remedies, and the significance of regular maintenance. Let’s summarize what we’ve learned and emphasize the importance of taking care of your chainsaw for optimal performance.

Recap of the Common Problems and Their Solutions

Throughout this guide, we’ve delved into six common problems that Echo CS-590 chainsaw owners may encounter, along with their respective solutions. Here’s a quick recap:

  1. Difficulty Starting the Chainsaw: We discussed potential causes, such as fuel issues and spark plug problems, and provided a step-by-step guide for troubleshooting and solving starting problems.
  2. Chain Dullness and Ineffective Cutting: We explained why chains become dull over time and offered proper chain maintenance and sharpening techniques to ensure efficient cutting performance.
  3. Engine Overheating: We identified the causes of engine overheating, including air filter clogs, and discussed preventive measures and cooling solutions to keep your chainsaw running cool.
  4. Chain Slippage: We explored the causes of chain slippage, emphasizing the importance of proper tension. We provided a step-by-step guide for tension adjustment and maintenance.
  5. Oil Pump Issues: We explained common oil pump problems, such as oil not reaching the chain, and offered a guide on how to troubleshoot and repair the oil pump.
  6. Excessive Vibration: We identified the causes of excessive vibration in the Echo CS-590 and shared tips for reducing vibration and improving user comfort.

Importance of Regular Maintenance and Care for the Echo CS-590

Regular maintenance and care are the cornerstones of ensuring that your Echo CS-590 chainsaw performs optimally. Neglecting these vital aspects can lead to decreased efficiency, safety hazards, and unnecessary expenses. By taking the time to inspect, clean, and service your chainsaw regularly, you can prolong its lifespan and maintain reliable performance.

Proper maintenance includes checking the air filter, adjusting the chain tension, sharpening the chain, monitoring the oil reservoir, tightening loose fasteners, and conducting engine maintenance as required. Following the manufacturer’s guidelines in your user manual is invaluable in this regard.

Encouragement for Users to Troubleshoot and Maintain Their Chainsaws for Optimal Performance

We encourage Echo CS-590 chainsaw users to take an active role in the maintenance and troubleshooting of their chainsaws. By addressing common problems promptly and performing regular maintenance, you can enjoy a reliable and efficient tool that serves you well for years to come.

Don’t hesitate to refer back to this guide whenever you encounter issues with your Echo CS-590. Whether it’s starting problems, dull chains, engine overheating, chain slippage, oil pump issues, or excessive vibration, the solutions are at your fingertips.

In conclusion, remember that a well-maintained Echo CS-590 chainsaw is not only a more efficient and safer tool but also an investment that pays off in terms of its longevity and dependable performance. Happy cutting!

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