@jpearman I think you split this into the wrong topic…
But to answer your question, no is not legal. The note on SG5 prohibits lifting the net structure (both from the base cones and rotating the top part).
Read the manual please, it answers most of your questions. Since you’re new though (my two strike policy), see SG6 C, which clearly states the answer
There is nothing prohibiting this, so yes.