Hugh Lomas does very good work on Aya's as well - Wisc. Don't know where your from.
I have an AyA like yours. I have to remove the locks as the pins loosen fairly often, causing the gun to double.
Gil is correct on the trigger blades, but if you remove the locks, be sure they are cocked. To re-install, one side at a time of course, place the front of the lock in its position on the frame. Depress the cocking nub ( wrong terminology, but you know what I mean)located in the front of the receiver just below the water table. The front of the lock should fall in. Now pull down, not back on the trigger corresponding to the lock. This will allow the sears to sit atop the blades. Repeat for the other side. Re-insert cross bolt. Done.
