Turn off the main power switch for safety.
Raise the presser foot using presser foot lever.
When threading the needle, always be sure to lift the presser foot lever, and also take care to thread in the proper order.
Set the needle bar in its highest position by turning the handwheel toward you.
Turn the handwheel to find the easiest position for threading, and then thread the upperlooper thread, lowerlooper thread, right needle thread and then the left needle thread.
The proper threading order for this serger is upperlooper, lowerlooper, right needle, and then the left needle.
Slide to the right
Thread tension discs