What Size String For Stihl Fs 56 Rc

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What size string for stihl fs 56 rc – Selecting the right size string for your Stihl FS 56 RC trimmer is crucial for optimal cutting performance, durability, and safety. This comprehensive guide delves into the world of trimmer strings, empowering you with the knowledge to choose the perfect fit for your specific needs and vegetation types.

From understanding string types and compatibility to mastering winding techniques and safety considerations, this guide equips you with all the essential information to maximize the effectiveness of your Stihl FS 56 RC trimmer.

String Types and Compatibility

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The Stihl FS 56 RC trimmer is compatible with a variety of string types, each offering unique characteristics that impact cutting performance. Understanding the different string options allows users to select the most suitable string for their specific trimming needs.

String diameter, shape, and material are the primary factors that influence cutting efficiency. The diameter of the string determines the thickness of the cut, with thicker strings providing greater cutting power for tougher vegetation. String shape can be round, square, or star-shaped, with each shape offering varying degrees of cutting aggressiveness and durability.

String Material

The material used in the string construction significantly affects its performance and lifespan. Nylon strings are a popular choice due to their flexibility and resistance to breakage. However, they wear out faster than other materials. Polyester strings offer increased durability and are less prone to stretching, making them ideal for heavy-duty trimming tasks.

Hybrid strings combine nylon and polyester, providing a balance of flexibility and durability.

String Diameter

The diameter of the string is crucial for achieving optimal cutting performance. Thicker strings (2.4mm – 2.7mm) are recommended for heavy-duty applications, such as cutting through thick weeds and dense brush. For lighter trimming tasks, thinner strings (1.6mm

– 2.0mm) provide greater maneuverability and precision.

String Shape

The shape of the string also influences its cutting capabilities. Round strings offer a clean and precise cut, while square strings provide more aggressive cutting action. Star-shaped strings are designed for maximum cutting power and durability, making them suitable for challenging trimming conditions.

Compatible String Specifications


Up to 260m

Nylon, Polyester, Hybrid

String Length and Winding: What Size String For Stihl Fs 56 Rc

What size string for stihl fs 56 rc

Determining the optimal string length and employing the correct winding technique are crucial for the efficient operation of the Stihl FS 56 RC trimmer. This section will delve into these aspects, providing a comprehensive guide to ensure optimal cutting performance and prevent tangling issues.

Optimal String Length

The ideal string length for the Stihl FS 56 RC trimmer head is 15 to 18 inches (38 to 46 centimeters). This length allows for efficient cutting while maintaining control and maneuverability. Shorter strings can reduce cutting efficiency, while longer strings may become entangled and cause damage to the trimmer head or operator.

Proper Winding Technique, What size string for stihl fs 56 rc

Winding the trimmer string correctly is essential to prevent tangling and ensure proper cutting. Follow these steps for effective string winding:

  1. Wear protective gear:Always wear gloves and eye protection when handling trimmer strings.
  2. Identify the winding direction:The trimmer head will have arrows indicating the direction in which the string should be wound.
  3. Cut the string:Cut two pieces of trimmer string to the desired length (15-18 inches).
  4. Feed the string:Insert one end of the string through the hole in the trimmer head and pull it through until about 6 inches remain outside the head.
  5. Wind the string:Holding the string taut, begin winding it around the trimmer head in the direction indicated by the arrows. Keep the string parallel to the ground and avoid overlapping.
  6. Secure the string:When you reach the end of the first string, feed the second string through the hole and wind it in the opposite direction, overlapping the first string by about 2 inches.
  7. Trim the excess:Cut off any excess string that extends beyond the trimmer head.

Cutting Efficiency and Performance

The size of the string you use on your Stihl FS 56 RC trimmer has a direct impact on its cutting efficiency and performance. Here’s how string size affects cutting performance:

String Diameter and Cutting Power

The diameter of the string determines its cutting power. Thicker strings are more powerful and can cut through thicker vegetation, such as woody stems and tall grass. However, thicker strings also create more drag, which can reduce the trimmer’s speed and efficiency.

String Shape and Cutting Action

The shape of the string also affects its cutting action. Round strings are more aggressive and cut cleanly through vegetation. Square or star-shaped strings are less aggressive but create less drag, making them more efficient for trimming around delicate plants or objects.

Selecting the Right String Size

To maximize cutting performance, it’s important to select the right string size for your trimmer and the vegetation you’ll be cutting. Here are some tips:

  • For light trimming and delicate vegetation, use a thinner string (e.g., 0.080-0.095 inches).
  • For medium-duty trimming and thicker vegetation, use a medium-diameter string (e.g., 0.105-0.110 inches).
  • For heavy-duty trimming and dense vegetation, use a thicker string (e.g., 0.125-0.130 inches).

Durability and Replacement

What size string for stihl fs 56 rc

The durability of trimmer strings varies depending on the type of string used. Nylon strings are generally more durable than other types, such as plastic or metal strings. However, the durability of any string will also depend on the usage and vegetation conditions.

For example, strings used in tough vegetation or for extended periods will wear out more quickly.

As a general rule, it is recommended to replace trimmer strings every 2-3 months or as needed. If you notice that the strings are becoming frayed or damaged, it is best to replace them sooner. Replacing strings regularly will help to ensure that your trimmer is operating at its best and will prevent damage to the trimmer head.

Factors Affecting String Wear and Tear

  • Material Composition:The material composition of the string will affect its durability. Nylon strings are more durable than plastic or metal strings, but they can also be more expensive.
  • Cutting Style:The way you use your trimmer will also affect the durability of the strings. If you are using the trimmer to cut through tough vegetation, the strings will wear out more quickly than if you are using it to trim grass.
  • Usage Conditions:The conditions in which you are using the trimmer will also affect the durability of the strings. If you are using the trimmer in wet or dusty conditions, the strings will wear out more quickly than if you are using it in dry conditions.

Safety Considerations

When using the Stihl FS 56 RC trimmer, it is essential to prioritize safety by adhering to the following precautions:

1. Proper String Selection

  • Select the correct string size specified in the user manual for your specific model. Using oversized or undersized strings can increase the risk of kickback, entanglement, and premature wear on the trimmer.
  • Avoid using metal strings or strings with sharp edges, as they can cause severe injuries if they break or come into contact with the user or bystanders.

2. Correct Winding Technique

  • Ensure the string is wound in the proper direction and tension according to the manufacturer’s instructions. Improper winding can cause the string to break or become entangled, leading to kickback or other safety hazards.
  • Do not overwind the string, as this can put excessive strain on the trimmer head and increase the risk of breakage.

3. Eye and Ear Protection

  • Always wear ANSI-approved safety glasses or goggles to protect your eyes from flying debris and vegetation.
  • Use earplugs or ear muffs to minimize exposure to excessive noise levels produced by the trimmer.

4. Avoid Kickback

  • Maintain a firm grip on the trimmer and keep the cutting head parallel to the ground.
  • Be aware of obstacles and avoid striking them with the cutting head, as this can cause the trimmer to kick back towards the user.
  • If the trimmer does kick back, immediately release the throttle and maintain control of the machine.

5. Entanglement Prevention

  • Keep a safe distance from the cutting head while operating the trimmer.
  • Avoid working in areas with dense vegetation or tall grass that can wrap around the cutting head and cause entanglement.
  • If the string becomes entangled, stop the trimmer and carefully remove the debris before restarting.