I posted this on IRV2 and didn't get much response. My QD7500 Onan is not on a slide and has to be dropped down to take the cover off to gain access to the engine and internal parts. I was wondering ...
Thanks to all for your input. I may never do this but, it has crossed my mine and I see that some of the earlier Quiet D sets did have an access panel in the side. My set runs great and I won't mess with it. Thanks again. Busyguy