If you have to be careful with your maneuvering (AVOID NEGATIVE G FACTOR) I don't think it is a good idea to bank the airplane and open the X FEED. That might reduce the pressure in the engine LP pump. If the X FEED is closed I guess the bank angle would be OK, but who knows…
The point is that I would minimize procedure invention. QRH "over interpretation" is also a bad thing, but that's a sin we all commit from time to time