generator maintenance

We purchased a 2024 Thor Aria 3401 at the end of February. It's about time for the generator break-in oil change. However, there is a piece of angle iron that is bolted in place preventing anyone from opening the cover on the generator that provides access to the oil filter. So far, dealer and...

Hi looking for diagrams or instructions on changing oil on my generator. That thing looks tucked away pretty good. Helpful hints? Suggestions? Thanks!