Yes there are several thread mostly under the heading of "Fixing Warped Scales"

To do that right because of the center post you will need to take it all the way apart, I would be ready to make new scales or find some old scales that fit.. The more work you do to scales the more chances of the cracking or you might even find some celluloid rot along the path ...

There really is no way of knowing first, unless the issues are obvious..

Good Luck slow and steady wins the race with a restore