The line of a weed whacker will often shorten and break due to use over time. Follow this guide to change the line on your Black and Decker 12-inch Grass Hog Automatic Feed String Trimmer (Model No.GH400). Before beginning this repair, make sure your weed whacker is off and not connected to power before trying to replace the line.. Black and Decker Trimmer Line Spool Replacement - Change the Automatic Feed Spool (AFS) B&D TrimmerProduct Links:Black & Decker Trimmer Spool (3-Pack): https.
How to restring your Black & Decker Edger / Trimmer / Weed Eater. Replacement Lines on AMAZON: https://amzn.to/43iyhyn (affiliate link)How to install new tri.. The Black & Decker 8207 line trimmer is a vintage electric tool that the company marketed in the late 1970s. It has a 2 1/2-amp motor and a 4-foot shaft. This tool is an example of the technology in use in the early days of line trimmers, and replacing the nylon line isn't nearly as intuitive as it is on later machines.