I have an Singer Overlock 14SH754 Sewing Machine but I'm not sure that my thread is routed correctly, as the tension seems off.

Can I confirm that the thread routes through the "tension discs" in-between the metal discs, and not between the plastic dial and metal disc?

[![enter image description here](https://i.stack.imgur.com/BfiJJ.jpg)](https://i.stack.imgur.com/BfiJJ.jpg)