How do you de- winterize a jayco greyhawk 31ss motorhome?

To de-winterize a Jayco Greyhawk 31SS motorhome, start by removing any antifreeze from the Plumbing system. Then, reconnect water lines and fill the fresh water tank. Next, flush out the water system by running each faucet until clear water flows, and check for leaks. Finally, sanitize the water system with a diluted bleach solution if necessary, and refill the fresh water tank.