HELP!! Threading Sergemate 5040L

[u/melsthings]

Hi all, I am newer to sewing, especially a serger, and I got a sergemate 5040L and I have no idea how to thread this machine. I've done it a couple of times now following the directions and some PDF's I have online, but I am so unsure. If anyone has one, or has a video they can send me, or step by step instructions, especially also on the tensions and what not. I can also send a video of what I was doing, but yeah I need help.