Push back on the dirt window flap located where the hose attaches to the vacuum at the bottom.
Push in on the cuff of the lower hose and twist it counterclockwise to unlock the hose. Pull the bottom of the hose straight off.
Pull the long, middle part of the hose out of the two clips on the side of the vacuum cleaner.
Pull the top part of the hose up and off the storage hook, and then pull the curved end out from the back of the unit, to completely remove the hose.