How to Replace Trimmer Line

Is your trimmer line worn out and in need of replacement? If so, follow these simple steps to get your trimmer running like new again!

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Trimmer Basics

A trimmer is a handheld device that uses a spinning cutting head to trim grass, weeds, and other unwanted vegetation from your lawn. The trimmer line is the cutting implement that does the work, and it needs to be replaced periodically as it wears down. In this article, we’ll show you how to replace the trimmer line on a gas-powered trimmer.

What is a trimmer?

A trimmer, also known as a weed whacker or weed eater, is a gardening tool that uses a flexible monofilament line instead of a blade to cut grass, weeds, and other types of vegetation. The monofilament line is spun at a high speed by the trimmer head and can quickly cut through vegetation. Trimmers are available in gas, electric, and battery-powered models and come in a variety of sizes and shapes to suit different gardens and lawns.

How does a trimmer work?

A trimmer is a lawn care tool that uses a fast-spinning, nylon line to cut grass and weeds. The line is attached to a spool that sits inside the trimmer head. As you operate the trimmer, the line spins quickly, cutting through vegetation.

To replace the trimmer line, you’ll need to first remove the trimmer head. Once the head is off, you can take out the old spool of line and replace it with a new one. Be sure to feed the new line through the eyelets in the trimmer head before winding it onto the spool. Once you’ve replaced the line and reattached the head, your trimmer will be ready to use.

Trimmer Line

If you’ve ever had to replace the trimmer line on your trimmer, you know it can be a pain. The trimmer line is what actually does the cutting when you’re trimming your lawn or garden. Over time, it will get dull and will need to be replaced. In this article, we’ll show you how to replace the trimmer line on your trimmer.

What is trimmer line?

Trimmer line is a type of monofilament line used in string trimmers, also called weed eaters or weed whackers. The line is inserted into the head of the trimmer where it is held under tension by a spring. As the trimmer is operated, the line spins rapidly, cutting through grass and weeds.

Trimmer line comes in a variety of sizes and shapes. The size of the line is determined by the diameter of the line, while the shape can be round, square, or serrated. The type of trimmer you have will determine what size and shape of line you need to purchase.

Round trimmer line is the most common type of line used in string trimmers. It is very strong and durable, making it ideal for cutting thick grass and weeds. Round trimmer line is available in a variety of diameters, from 0.065 inches to 0.130 inches.

Square trimmer line has sharp corners that make it very effective for cutting tough weeds and grass. Square trimmer line is less likely to fray than round trimmer line, making it a good choice for heavy-duty applications. Square trimmer line is available in diameters from 0.080 inches to 0.155 inches.

Serrated trimmer line has saw-tooth edges that make it ideal for cutting through thick weeds and grasses. Serrated trimmer line stays sharp longer than round or square trimmer lines, making it a good choice for demanding applications. Serrated trimmer lines are available in diameters from 0.095 inches to 0

How to replace trimmer line

There are a few simple steps you need to follow in order to replace the trimmer line on your trimmer. First, you need to remove the old trimmer line from the spool. To do this, you will need to remove the spool cap and unscrew the inner core. Once the inner core is removed, you can simply pull out the old trimmer line. If there is any remaining line stuck in the core, you can use a pair of pliers to remove it.

Next, you will need to cut off a length of new trimmer line that is appropriate for your model of trimmer. The length will vary depending on the model, so be sure to consult your user manual. Once you have cut off a suitable length of new line, you will need to thread it through the eyelets on the outside of the spool.

After that, you will need to wind the new line onto the spool. To do this, you will need to hold onto one end of the line and use your other hand to turn the spool in a clockwise direction. Once you have wound enough new line onto the spool, you can screw the inner core back into place and replace the spool cap.


You’ve learned how to replace trimmer line like a pro! Now that you know the basics, it’s time to get out there and put your new skills to the test. Be sure to follow the safety precautions listed in your trimmer’s manual, and always wear protective gear when operating your trimmer. With a little practice, you’ll be trimming like a boss in no time.

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