Quoted From dreamer2355:
For power steering system flushes, alot of home DIY’ers will just remove the power steering return hose and aim the hose into a bucket, then have someone rotate the steering wheel lock to lock while another person adds new fluid.
Once the fluid leaving the return hose is the same color and condition of the new fluid that is being poured in, stop the engine, reattach the return hose then you should be set.
Finally run the engine once more, move the steering wheel lock to lock again and check the level of the fluid and top off as necessary.
So that’s like 3 sets of hands.