How to Convert Zevex Infinity Pump bag for gravity feeding

I took all this info from http://agirlandhertube.blogspot.com/2011/08/how-to-use-zevex-enteralite-infinity.html?m=1 just decided I would try it out and repost for those searching for a solution like this.
Very clever for anyone that needs to gravity feed in a pinch when a pump had no way to charge or breaks.