Back from vacation to Austria. Started with the baggage floors. I used two thin flush sets to set the AN470AD4-9. I had to drill two rivets out. Quite hard to squeuze them straight. Installed the bearing bracket assemblies and the control column brackets. I received new ones from Van's after I had problems with the original ones. I initially had problems with the bearings but with the new brackets the installation was straight forward. Page 21-14 step 1 is about installing the control column. Used some tape to hold the pair of washers.