oil pump 787

I have a 02 gtx rfi. I just rebuilt my whole engine. New crank, new bearings, new pistons with rings. Everything. It has like 30 hours so far and for some reason my oil pump came unbolted and yeah... Ran till it over heated. I think the pistons stuck a couple times after trying to get back to...

Trying verify the oil pump alignment marks on a 787. Here is a link to a photo. After you open the page click on the "large" tab. I have placed red arrows on the marks that I see. Do these line up with the idle turned 2 turns...