I had my power steering fluid flushed today. Bought Honda PSF for 1470 and my driver flushed it himself without starting the car.
He bought a syringe, a transparent tube and a pen.
1) First he sucked all the old fluid and poured in the new.
2) He then removed the return pipe, inserted a new pipe in the psf bottle and sealed it with a pen. He then took another pipe and connected it with the return line. He already had some old fluid in the bottle.
3) removed the tires, and steered lock to lock and kept pouring new oil until the oil was orangish and clear.(genuine honda psf is orangish clear)
4) he then removed everything and connected the return line with the psf bottle and then started the car steered from lock to lock to check if psf fluid decreases (also for leaks). He took the excess fluid out.
also he did this without starting the car.
This method worked great for me rest can be confirmed by @Xulfiqar