Need advice on my Holley DP 650

So I am going back to basics on tuning my carb and I am not claiming to be experienced on it at all. So your advice is needed and appreciated.

Initially I checked float height and it was fine on both primary and secondary. Recently I checked again since I think that is the starting place. The primary is good but the secondary is low and no matter how much I back the nut off CCW the level doesn’t come up.

Anyone have any advice other than pulling the bowl and inspecting the float assembly or if that what to look out for like a hanging spring etc?

Thanks
Ron