How To: Changing out Weed Whacker Line

man holding a weed whacker

Replacing the string on a weed eater, also known as a string trimmer or line trimmer, can be done by following these steps:

Ensure safety:

Before starting any maintenance or repair work, ensure the weed eater is turned off and disconnected from the power source. Wear appropriate safety gear, such as gloves and safety glasses.

Choose the correct replacement string:

Determine the appropriate type and diameter of the replacement string for your specific weed eater model. Check the user manual or consult the manufacturer’s guidelines for the correct string specifications.

Prepare the weed eater:

Lay the weed eater on a flat surface, preferably on a workbench or a stable table. If the weed eater has a removable cutting head, remove it by pressing the release button or turning the head counterclockwise, depending on the model.

the head of a weed whacker with the string

Remove the old string:

Locate the spool housing on the bottom of the cutting head. There may be tabs or a cover that secures the spool in place. Release or unscrew these tabs/cover to access the spool. Make a mental note of which side of the spool is facing out when you remove it. Carefully remove the old, worn-out string from the spool, noting how it is wound or threaded. You may need to cut the wire if it sticks or is stuck. Use nippers or shears.

Prepare the replacement string:

Cut a replacement string that matches the recommended size for your weed eater. Most strings are sold in pre-cut lengths, but if necessary, use scissors or a utility knife to cut the desired length.

Thread the replacement string:

Locate the string anchor points or holes on the spool. Insert one end of the replacement string into the anchor hole or through the designated slot. Follow any directional arrows or guides on the spool for proper string alignment. Ensure that both ends of the string are of equal length. Wind the replacement string: Depending on the type of weed eater, there are different winding methods. For a single-line trimmer, wind the replacement string in a single direction, following the directional arrows on the spool. For a dual-line trimmer, divide the string into two equal lengths and wind each length in opposite directions, following the directional arrows.

Secure the string:

Once the replacement string is wound onto the spool, insert the loose ends into the notches or anchor points. Make sure the line is tensioned correctly and secured. Leave 4-6 inches of wire at the end so the trimmer works. Remember to orient the spool the same way it was initially.

Reassemble the cutting head:

If you removed the cutting head in Step 3, reattach it to the weed eater. Align the grooves or tabs on the head with the corresponding slots or receptors on the weed eater. Press or twist the head clockwise until it locks securely in place.

Test the weed eater:

Double-check that the replacement string is properly installed and tensioned. Plug in or reconnect the power source, if applicable. Turn on the weed eater and allow it to run for a few moments to ensure the string feeds correctly and spins without issues.

Following these steps should help you replace the string on your weed eater and get it ready for use. Always refer to the user manual or consult the manufacturer’s guidelines specific to your model for accurate instructions.