How To Install Trimmer Line

If you’re unfamiliar with how to install trimmer line, it can be a frustrating and time-consuming process. However, with a little bit of knowledge and practice, you can easily replace your trimmer line and keep your lawn looking neat and tidy. Here’s a step-by-step guide to help you out.

Step 1: Gather Your Materials

Before you start, make sure you have all the necessary materials. You’ll need your trimmer, replacement line, and a pair of scissors or a cutting tool. It’s also a good idea to wear gloves to protect your hands from the sharp edges of the line.

Step 2: Determine the Type of Line You Need

There are different types of trimmer line available, each with its own unique characteristics. Check your trimmer’s manual to determine which type of line is best suited for your machine. Once you know the type of line you need, you can purchase it from your local hardware store or online.

Step 3: Turn off the Trimmer

Before you start working on your trimmer, make sure it’s turned off and unplugged. This will prevent any accidents from occurring while you’re replacing the line.

Step 4: Remove the Spool

Most trimmers have a spool that holds the line. To remove the spool, press down on the tabs or buttons that are holding it in place. Once the spool is released, carefully remove it from the trimmer.

Step 5: Remove the Old Line

Carefully remove the old line from the spool. If the line is tangled or difficult to remove, use your scissors or cutting tool to cut it away.

Step 6: Measure the New Line

Measure the new line to the correct length. The length will vary depending on your trimmer and the type of line you’re using. Check your trimmer’s manual for the correct length.

Step 7: Insert the New Line

Insert the new line into the spool, following the manufacturer’s instructions. Make sure the line is wound tightly and evenly, without any gaps or overlaps.

Step 8: Re-Attach the Spool

Once the new line is in place, re-attach the spool to the trimmer. Make sure it clicks into place and is secure.

Step 9: Test the Trimmer

Before you start trimming, test the trimmer to make sure the line is working properly. Turn it on and let it run for a few seconds. If the line is feeding correctly, you’re ready to start trimming.


Q: How often do I need to replace the trimmer line?

A: The frequency of replacing trimmer line depends on how often you use your trimmer and the type of line you’re using. It’s recommended that you check your line before each use and replace it as necessary.

Q: Can I use any type of line for my trimmer?

A: No, you should use the type of line recommended by the manufacturer for your specific trimmer. Using the wrong type of line can damage your trimmer and reduce its effectiveness.

Q: How do I know if my trimmer line needs to be replaced?

A: If the line is worn down or broken, it needs to be replaced. You may also notice that your trimmer isn’t cutting as effectively as it used to.


Knowing how to install trimmer line is an important skill for anyone who wants to keep their lawn looking neat and tidy. By following these simple steps, you can easily replace your trimmer line and get back to work in no time. Remember to check your line before each use and replace it as necessary to ensure your trimmer is working at its best.