Download the manual from Demco. The locking ends need to be disassembled, cleaned, and lubed. Dirt gets in there and is a common problem with the 1st gen Excalibars. If you can't find the manual just pm me with your email and I'll send you a copy.
2004 Hurricane 32R F53, 2010 Ranger, 2016 Harley Switchback, 1 wife and 4 cats