
A weed eater, also known as a string trimmer, is one of the most useful tools for keeping your lawn and garden looking neat. But when the string runs out or breaks, it can be frustrating if you don’t know how to replace it properly. The good news? It’s actually a simple process, and you don’t need to be a lawn care expert to do it. Whether you’re a first-timer or just need a refresher, follow these steps to get your trimmer up and running again.
Step 1: Gather Your Tools and Materials
Before you start, make sure you have everything you need to change the string on your Worx weed eater. You don’t want to be halfway through the process and realize you’re missing something. So, what do you need to gather?
- Replacement trimmer line – Check your weed eater’s manual to see what type of string it requires. Most models take either 0.065-inch, 0.080-inch, or 0.095-inch line.
- Scissors or wire cutters – To cut the trimmer line to the correct length.
- Gloves (optional) – To protect your hands from sharp edges.
- A clean work surface – A table or a clear spot in your garage will make the process easier.
Step 2: Turn Off and Unplug Your Weed Eater
Safety first. If you’re using an electric trimmer, unplug it from the power source or remove the battery. For gas-powered models, turn it off and let the engine cool down before handling. You don’t want any accidental starts while working on it.
Step 3: Remove the Spool
Flip the weed eater over so you can access the head. Most trimmers have a bump feed or automatic feed spool. Look for tabs on the sides of the head and press them to release the spool. Some models might require you to unscrew a cap instead. Once it’s open, take out the empty spool and clean off any debris or grass buildup.
Step 4: Cut the Correct Length of String
Most weed eaters require about 10 to 25 feet of trimmer line, but this depends on your model. If you’re unsure, check the user manual for the recommended length. Using wire cutters or scissors, cut the appropriate amount. If your trimmer has a dual-line spool, you’ll need two equal pieces of string.
Step 5: Wind the String Onto the Spool
Now comes the slightly tricky part—but don’t worry, it’s easier than it looks!
- Find the anchor hole – Many spools have a small hole or notch to secure the end of the string. Insert the tip of the string into this hole to hold it in place.
- Follow the arrows – Most spools have directional arrows printed on them. Wind the string tightly and evenly in the direction of the arrows. If your spool has two slots, make sure to wrap both strings separately.
- Leave a few inches free – Stop winding when there’s about 6 inches of string left. This will make it easier to thread through the trimmer head.
Step 6: Thread the String Through the Holes
Before placing the spool back in, locate the holes on the trimmer head where the string needs to exit. Feed the loose ends of the string through these holes, keeping some tension to prevent it from unraveling.
For dual-line trimmers, make sure both strings go into separate holes.
Step 7: Reattach the Spool
Now, carefully place the spool back into the trimmer head, making sure the strings remain in place. Press it down firmly and ensure the string feeds smoothly. If your trimmer has a cap, screw or snap it back on securely.
Step 8: Test It Out
Give the string a little tug to make sure it’s secure, then plug in or start up your weed eater. Let it run for a few seconds and tap the head on the ground (if it’s a bump-feed model) to make sure the line advances properly. If it feeds too much or too little, you might need to rewind it or check if the spool is seated correctly.
Keep Your Weed Eater Running Smoothly
Replacing the string is easy once you get the hang of it, but proper maintenance can save you a lot of hassle in the future.
- Use the right string size – Using the wrong thickness can jam the spool or cause poor cutting performance.
- Store your trimmer properly – Keep it in a dry place to prevent the string from becoming brittle.
- Clean the trimmer head regularly – Grass buildup can cause feeding issues and wear down the string faster.
Now You’re Ready to Tackle the Yard Again
That’s it—your weed eater is ready to go! Changing the string might seem intimidating at first, but after doing it once or twice, it becomes second nature. Now, you can keep your lawn edges crisp, trim around trees and fences, and maintain a tidy yard without any interruptions.
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