Once fully setup and aligned with clecos you need to dismantle to remove the large amount of burr that has built up from all the drilling. This is also the time to get thinned waxoyl into the leading and trailing edge and also get all those hidden joints etch primed.
Note all existing bracket plates were marked with letters to help reassembly .. Ie A , B , C etc
Also, took the option to drill out both innner mounting holes to 4.8mm so that they have two bolts in place of one bolt, one rivet.
Finished port tailplane with no clecos and all riveted, de burred and treated with waxoyl and etch primed