1. Deburred all tank skin holes 2. Dimpled all #8 screw attachment holes in skin 3. Dimpled all rivet holes on tank skin 4. Derburred all tank ribs & misc. parts. 5. Polished and dimpled all tank ribs 6. Countersunk filler cap flange 7. Countersunk Sender mounting plate 8. Reassembled w/clecoes all tank parts for fit testing.
