Yes. Let's see if I can remember this without being in front of mine. It's usually right to left. Lower looper, upper looper, right needle, left needle, in that order. If you can find a manual of a similar machine it should help. There are only like 3 serger factories, so most are badged.
Cari
Edit-boy that was fast. In the time it took me to post, everyone else had posted.