Baby Lock Imagine Wave (Previous Model) (BLE3ATW) Instruction and Reference Guide - Manual (Page 6)

Sometimes called an overlock machine or overlocker, the serger is different from any conventional sewing
machine you have used. Awareness of its simple operation will enable you to become more proficient in its
use. Please read all instructions before using your new machine.
Serging is kind of a knitting process that loops two, three or four threads together to create a stitch.
Your Baby Lock Imagine Wave operates with one or two needles and one or two "loopers," each carrying
a thread, that take the place of a bobbin.
When fabric is placed into the machine, it reaches the feed dogs first. The feed dogs move the fabric along
as the cutting blades trim the edge, creating a clean edge to be finished. Then the loopers and needle(s)
form the stitch on the fabric edge, supported by one or more parallel "stitch fingers" - Metal prongs that
keep the fabric flat. The threads become "locked" over the fabric and the resulting stitches encase the raw
edge with thread to prevent fabric raveling.
After setting up your machine for the first time, take a few moments to learn how it sews. Before your
serger is threaded, turn the handwheel - toward you - and watch the movement and operation of the
various parts. Don't bother with fabric at first. It doesn't hurt your serger to stitch without fabric under the
presser foot.
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How Your Serger Operates