Found my answer....YES, you have to split the wheel halves. It didn't take long to find http://www.rvproject.com/20030206.html . Fortunately, I have a new pair of tires so I'll kill two birds with one stone...
Mark Langford, Huntsville, Alabama see KR2S project N56ML at http://home.hiwaay.net/~langford email to N56ML "at" hiwaay.net --------------------------------------------------------------