How do you replace line on e61511 line trimmer?

To replace the line on an E61511 line trimmer, first, ensure the trimmer is unplugged or the battery is removed for safety. Locate the spool on the trimmer head and remove it by pressing the tabs or unscrewing it, depending on the model. Remove the old line and wind the new line onto the spool according to the direction indicated, leaving equal lengths on both sides. Finally, reattach the spool to the trimmer head, making sure the line is properly threaded through the eyelets before use.