Threading Your Machine. Threading your Brother LS-2125 sewing machine may seem intimidating at first, but with practice, it will become second nature. Begin by placing a full spool of thread on the spool pin at the top of your machine. Make sure to run your thread through all necessary guides and tension discs before reaching the needle.. Learn how to top thread, wind a bobbin on, and install a bobbin on a Brother LS- 2125i Sewing Machine. With video!
To troubleshoot if the machine is not threading properly on the Brother LS-2125i sewing machine, follow these steps: 1. Check the upper thread: Ensure that the upper thread is correctly installed. Make sure it is threaded through all the necessary guides and tension discs according to the threading instructions in the manual. 2.. How To Thread A Brother Sewing Machine LS-2125? In this detailed tutorial, we will guide you through the process of threading your Brother LS-2125 sewing mac.