I got a long wood screw with threads on both ends. Screwed into short wooden broom stick. Drilled where handle used to be. Drilled hole works as pilot hole for screw. Have something to catch little stream that will squirt out. I just put old rag over it. Maybe a gallon and my handle was about 9:00 position.
And pick up new valve first so you can get all the messy work done at one time. Matter of fact I still carry spare valve.
I hope somebody has cleaner or better way than me.
2003 Majestic 23P... Northwest travel machine
2013 Arctic Fox 25W... Wife "doll house" for longer snowbird trips
2001 "The Mighty Dodge"... tow vehicle for "doll house"