How do you replace a starter cord in a ryobi plt3043a trimmer?

To replace the starter cord in a Ryobi PLT3043A trimmer, first, remove the starter cover by unscrewing the screws. Carefully take out the recoil assembly and note how the old cord is wound. Cut a new starter cord to the appropriate length, thread it through the recoil assembly, and tie a knot at the end. Finally, wind the cord back onto the reel, reassemble the recoil assembly and starter cover, and secure everything with screws.