If you take it apart, leave it upside down and you won't have to fiddle with the stuff that falls out. But put some sticky tape on the little button on the bottom so it won't fall into the works. I think the post is a double nut, first tighten the post to the case and then tighten the nut to hold the ring for conduction.
So far the warranty for the Legacy base and Cab2 seems to be lifetime but you need your invoice copy and you have to send the base and Cab2 in together. Since your base is 3 years old, there is an update for the charging circuit that needs to be done as well.
