This is only a guide, this may vary depending on what model of overlocker you have. Each overlocker comes with a diagram on how to thread the machine.Ensure that your machine is not plugged in to a power source before beginning.For a 4-thread overlocker machine, you will have the upper looper thread, the lower looper and 2 needle threads.For a 3-thread machine you will have an upper looper, lower looper and a single
11th Mar 2016