4 mm wide 3-thread Overlocking
(Right-hand needle) (Blue,
red and green)
* Remove the left-hand needle.
Thread in the following order.
(1) Upper looper thread (Blue)
(2) Lower looper thread (Red)
(3) Right-hand needle thread (Green)
* If the machine is already threaded with the left-hand needle
thread, cut off and remove the thread.
6 mm wide 3-thread Overlocking
(Left-hand needle) (Blue, red
and yellow)
* Remove the right-hand needle.
Thread in the following order.
(1) Upper looper thread (Blue)
(2) Lower looper thread (Red)
(3) Left-hand needle thread (Yellow)
* If the machine is already threaded with the right-hand needle
thread, cut off and remove the thread.
3-thread overlocking
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