I would take it to a trusted RV shop and get some help checking things out and making sure it's all safe, but that's just me. If you want to use it or not probably depends on what safety features it has, and if you are comfortable with it - if it can be made to work at all.
So, are you restoring it to original as much as possible, or with an eye to modern conveniences so it will be easier/more comfortable to use? Glad to hear you are still plugging along on it. I was just thinking about it the other day, wondering how the 61 Caravel