A roll of green plastic tubing on a white surface, perfect for string trimmer line

Mastering The Art Of Grass Trimmer Line Replacement: Your Ultimate Guide

Are you tired of your grass trimmer leaving ragged edges or spitting broken lines? It's time to replace the trimmer line! This simple DIY task is crucial for keeping your trimmer in top shape, but it can seem intimidating if you haven't done it before. Follow this guide to learn how to replace your grass trimmer line quickly and easily—and get those edges looking sharp again.

Essential Tools for Replacing Your Grass Trimmer Line

  • Protection Gloves: To keep your hands safe from cuts and abrasions.
  • Pliers: Useful for pulling out any stubborn remnants of the old line.
  • Scissors or a Sharp Knife: For trimming the new line to the appropriate length.
  • A Clean Workspace: Cleanliness keeps the spool and line free from dirt and debris.
  • Safety Glasses: Protect your eyes from flying particles or trimmer line pieces.

A Handy Tip:

Keep the trimmer's user manual within reach. It's often filled with functional diagrams and model-specific instructions that can be especially helpful if you encounter any challenges while replacing the trimmer line.

Safety Precautions Before Starting the Replacement Process

  • Unplug the Trimmer: If you have an electric trimmer, ensure it's unplugged from the power source. For battery-powered models, remove the battery. If it's a gas trimmer, turn it off and disconnect the spark plug.
  • Wear Protective Gear: Safety glasses will protect your eyes from debris. Gloves will provide a better grip and protect your hands. Long pants and closed-toe shoes are recommended to shield your skin.
  • Ensure a Clean Workspace: A clutter-free area will reduce the risk of trips and falls and provide a clear space to work with your trimmer and replacement line.

Adhering to these steps keeps you safe and makes the replacement process smoother and problem-free.

Step-by-Step Guide: How to Replace Your Grass Trimmer Line 

Here's a breakdown of the whole process, including how to both remove the old line and install the new:

Removing the Old Line
Step 1: Unplug or disconnect the power source.
Step 2: Locate and remove the trimmer head cap. (Refer to your manual for model-specific instructions if needed).
Step 3: Remove the spool and unwind the old line. Discard any line remnants.
Step 4: Clean the spool and head – remove debris or grass clippings.
Winding the New Line
Step 1: Check your manual for the correct line diameter and type for your trimmer. Purchase the matching line.
Step 2: Locate the notches or guides and align the new line.
Step 3: Wind the line according to the directional arrows on the spool. Avoid overlaps.
Step 4: Secure the line ends in the spool's guides.


Watch This Video to Learn How to Replace the Auto Feed Trimmer Line on the Trimyxs.


Additional Tips and Troubleshooting

  • Choose the right line: Using the wrong size or type of line is a common cause of problems. Always refer to your trimmer's manual for the proper specifications.
  • Auto or bump feed? If your trimmer has an automatic feed, you might not need to rewind fully; shorter lengths of line may work. If it's a bump feed, you may need to bump the head on the ground while it's running to release more line as it wears down.

Common problems:

  • Line jamming: Check for overfilled spool, wound in the wrong direction, or incorrect line size.
  • Line not feeding: The line may be wound too tightly or have the wrong line type. Check the manual or contact the manufacturer for help.
  • Line breaks easily: The line size or type could be incorrect for what you are cutting, or the line may be old and brittle.

Master Your Grass Trimmer Line Replacement

Now, you're a trimmer line master! Remember, a well-maintained trimmer is vital to perfectly manicured edges, so replace your line regularly for the best results.

Do you have any other questions about replacing a trimmer line? Do you have a pro tip to share? Let us know in the comments!


RuffRuff App RuffRuff App by Tsun
Back to blog

Leave a comment

Please note, comments need to be approved before they are published.