How to Add String to Craftsman Weed Eater? Rewind

Introduction

Maintaining your Craftsman weed eater is essential for keeping your lawn and garden looking neat throughout the growing season. One of the most common maintenance tasks every owner will encounter is knowing how to add string to a Craftsman weed eater. Whether the string has worn down during heavy use or you need to replace it after a long winter storage, being able to reload the trimmer line yourself saves time and money compared to visiting a repair shop. This guide walks you through the entire process, from identifying your trimmer type to securing the new string properly.

Table of Contents

• Understanding Your Trimmer Type
• Tools and Materials Needed
• Preparation Steps Before Starting
• Removing the Old String
• Identifying Your Spool Type
• Manual Rewind Process
• Automatic Feed Systems
• Choosing the Right String
• Proper Winding Technique
• Reassembly Checklist
• Troubleshooting Common Issues
• Maintenance Tips and Best Practices
• Common Mistakes to Avoid
• String and Spool Comparison
• Frequently Asked Questions
• Conclusion

Understanding Your Trimmer Type

Before you begin working on how to add string to a Craftsman weed eater, it is important to understand which type of trimmer you own. Craftsman produces several models with different string mechanisms, and using the wrong approach can damage internal components or result in poor performance. The main categories include bump-feed trimmers, automatic-feed trimmers, and fixed-line models. Each operates slightly differently when it comes to string replacement.

Bump-Feed Models

Bump-feed trimmers release small amounts of string automatically as you tap the spool against the ground while operating. These models typically require manual rewinding once the string runs out completely. They are among the most common Craftsman trimmers and are relatively straightforward to service.

Automatic Feed Models

Automatic-feed systems sense when the string is getting short and extend more line without requiring user intervention. While convenient, these systems can be trickier to reload because they often involve delicate sensors and springs that must remain intact during disassembly.

Fixed-Line Trimmers

Some Craftsman models use pre-cut lengths of string that do not require winding. Instead, you simply remove the old piece and insert a new one. These are less common but worth recognizing if you own one.

Tools and Materials Needed

Having everything ready before you start makes the process much smoother. Here is what you should gather:

• New trimmer line (appropriate diameter for your model)
• Small flathead screwdriver
• Phillips-head screwdriver (if needed)
• Clean cloth or rag
• Optional: compressed air or brush for cleaning

Make sure your workspace is well-lit and free of clutter so you can keep track of small parts like springs and washers.

Preparation Steps Before Starting

Safety always comes first. Always disconnect the spark plug wire before handling any internal components of your trimmer. This prevents accidental starting while you work. Place the trimmer on a stable surface, ideally a workbench or sturdy table. Remove any debris or grass clippings around the spool area with a brush or cloth. Taking these extra moments upfront reduces frustration later in the process.

Removing the Old String

Start by locating the string release mechanism on your trimmer head. For most Craftsman models, this involves pressing a button or turning a cap counterclockwise. Once the cap is off, carefully lift out the old spool assembly. If there is any remaining string tangled inside, unwind it gently rather than forcing it free. Forcing the string can damage the guide channels or break internal tabs.

Dealing with Tangled String

If the old string is badly tangled, use a pair of needle-nose pliers to carefully extract it. Never cut the string while it is still inside the housing unless absolutely necessary, as loose ends can interfere with proper winding.

Identifying Your Spool Type

Craftsman uses two main types of spools: single-line and dual-line. Single-line spools hold one length of string that feeds out from the center. Dual-line spools have two separate strings that feed independently, providing better cutting coverage on larger areas. Knowing which type you have determines how you wind and install the new string.

Single-Line Spools

These are simpler to reload. You only need to wind one strand of string evenly around the spool, leaving a tail to feed through the exit hole.

Dual-Line Spools

These require more attention to detail. Both lines must be wound in the same direction and seated correctly to avoid binding during operation.

Manual Rewind Process

For many Craftsman trimmers, especially older models, you will need to manually rewind the string. Here is a step-by-step breakdown: (See Also:How To Reload A Milwaukee Weed Eater)

1. Remove the spool from the trimmer head.
2. Inspect the spool for cracks or damage and replace if necessary.
3. Cut a fresh length of string appropriate for your trimmer line size.
4. Find the small hole or groove at the base of the spool where the string begins.
5. Insert the end of the string into the hole and hold it in place.
6. Wind the string tightly and evenly around the spool in the direction indicated by arrows on the spool itself.
7. Leave about six inches of tail unwound to serve as the working line.
8. Reinstall the spool into the trimmer head, ensuring it sits flush.
9. Press or twist the cap back into place securely.

Following these steps ensures smooth operation and prevents the string from tangling or breaking prematurely.

Automatic Feed Systems

Trimmers with automatic feed mechanisms often have additional components such as springs, sensors, or ratcheting gears. When reloading these models, take care not to over-tighten or misalign internal parts. Some units allow you to wind the string directly onto the spool while it remains in the trimmer head, but others require full removal. Refer to your owner’s manual whenever possible for model-specific instructions.

Spring Tension Tips

If your automatic feed system relies on spring tension, make sure the spring is properly seated after reassembly. A loose or improperly positioned spring can cause erratic string feeding or complete failure to advance.

Choosing the Right String

Not all trimmer lines are created equal. Using the wrong diameter or material can lead to poor cutting performance or excessive wear on your trimmer. Most Craftsman trimmers specify the ideal string thickness in their documentation, usually ranging from 0.065 inches to 0.095 inches in diameter. Common materials include nylon, polyethylene, and composite blends.

Why Diameter Matters

Thicker string is more durable and suitable for heavy-duty trimming jobs, but it also puts more strain on the motor. Thinner string is lighter and easier to handle but may wear out faster. Match your string choice to the typical workload of your trimmer.

Proper Winding Technique

The way you wind the string affects how smoothly it feeds during use. Always wind in the same direction as indicated on the spool. Uneven winding causes the string to bunch up and tangle. Apply moderate tension while winding to keep coils tight but not so tight that the string kinks or becomes difficult to unwind.

Avoiding Over-Winding

Over-wound spools can cause the string to jam or feed too aggressively. Leave enough slack in the final loop so the string can move freely without binding.

Reassembly Checklist

After installing the new string, double-check the following before powering on your trimmer:

• The spool is seated correctly and spins freely.
• The cap is tightened securely without cross-threading.
• No loose ends of string are trapped inside the housing.
• All screws and fasteners are tightened to manufacturer specifications.

A quick visual inspection goes a long way toward preventing operational issues.

Troubleshooting Common Issues

Even with careful preparation, problems can arise. Here are some common issues and their solutions:

String Not Feeding Properly

If the string fails to advance, check for tangles inside the spool or housing. Also verify that the string is threaded correctly through the guide channel and that the cap is fully tightened.

String Breaking Frequently

Frequent breakage often stems from using a string that is too thin for your trimmer or winding it too loosely. Try switching to a thicker line or improving your winding technique. (See Also:How To String Weed Eater Stihl)

Spool Won’t Fit Back In

Misalignment is the usual culprit here. Remove the spool again and ensure it is oriented correctly. Check for any foreign objects blocking the seat.

Maintenance Tips and Best Practices

Regular maintenance keeps your Craftsman weed eater performing at its best. Consider the following best practices:

• Replace the trimmer line every season or whenever cutting efficiency drops.
• Store your trimmer with the spark plug disconnected during off-season storage.
• Clean the spool and surrounding housing after each use to prevent buildup.
• Keep spare spools and string on hand to minimize downtime.
• Check the condition of the bump knob or feed mechanism periodically.

Developing these habits helps extend the life of your equipment and reduces unexpected breakdowns.

Common Mistakes to Avoid

Mistakes during string replacement can lead to frustration and potential damage. Watch out for these pitfalls:

• Using string that is too thick or too thin for your model.
• Winding the string in the wrong direction, causing tangles.
• Neglecting to clean the spool before installing new string.
• Rushing reassembly and failing to secure components properly.
• Ignoring signs of wear on the spool itself.

By staying mindful of these errors, you can complete the task efficiently and correctly.

String and Spool Comparison

To help you make informed decisions about replacement parts, here is a comparison of common string options and spool configurations used in Craftsman trimmers:

This table highlights key differences to guide your selection based on your specific trimming needs.

Frequently Asked Questions

Can You Use Any Type of String on a Craftsman Weed Eater?

No, not all strings are compatible. You should always match the string diameter to your trimmer’s specifications. Using a thicker or thinner string can strain the motor or fail to cut effectively. Check your owner’s manual or look for the recommended size printed near the spool housing.

How Often Should You Replace the Trimmer Line?

Replace the line whenever cutting performance noticeably declines, typically every few months with regular use. Inspect the string regularly for fraying or brittleness, especially after hitting hard surfaces like concrete or stones. (See Also:How To Use A Weed Eater To Edge)

Why Is My String Feeding Too Fast?

Over-wound spools or incorrect tension settings can cause excessive string feed. Make sure you are winding the string evenly and not packing it too tightly. Also check that the cap is not over-tightened, which can compress internal components.

Do I Need Special Tools to Add String?

In most cases, basic household tools suffice. A small screwdriver set and a clean cloth are usually all you need. Some models may require a specific tool to remove the cap, but these are typically included with the trimmer or available from the manufacturer.

What If the Spool Is Damaged?

If the spool shows cracks, warping, or worn grooves, replace it rather than trying to reuse it. A damaged spool can cause uneven string feed and reduce overall performance.

Can I Add String While the Trimmer Is Running?

Never attempt to add or adjust string while the trimmer is running. Always turn off the engine and disconnect the spark plug before performing maintenance.

Conclusion

Knowing how to add string to a Craftsman weed eater is a valuable skill that keeps your tool running efficiently and saves money on repairs. By identifying your trimmer type, selecting the right string, and following proper winding and reassembly techniques, you can handle this task confidently at home. Regular maintenance and awareness of common mistakes further enhance performance and longevity. With practice, reloading your trimmer becomes a routine chore that takes only minutes, leaving you more time to enjoy a beautifully maintained yard.