I just purchased my first long arm machine. It is an used Ultimate II, non stitch regulated. I'm learning, but need some help. I am having a few loops on the underside of my practice pieces. Can anyone direct me to a manual or video that helps new owners figure things out? Kinda like if this happens (top thread shredding) then you check this, this, and/or this. If your stitches are looping underneath, then you check this..... Does this make sense? It appears there is limited amount of trouble shooting videos on the web. Or at least I haven't found it. I am a <have to see it to lea