Originally Posted by gardnergal970

I worked at a sewing factory and the secret to threading a serger is to have it threaded correctly initially. When you change thread, cut the thread close to the spool on the machine and don't pull it out of position. Put the new thread on the spindle and make a secure knot with the thread that is still there from the first spool. Remember it's threaded correctly. Grasp the original thread where it comes out of the last threading guide or the needle itself, and pull steady but firmly until you can hold the knot. Do that with each thread you're changing...easy peasy.