1. Locate parts 6B13-1, port and stbd 2.Remove existing labels, and mark parts 3. Mark rivet line on parts 4. Measure and remove end of stbd parts to fit space. 5. Place center spar plywood template in place and adjust spar carry through angle. 6. Position fwd wing attachment upright. 7. Locate rivet line in pre-drilled holes. 8. Punch top rivet hole, and back drill with #40 bit. 9. Cleco. 10. Position rivet hole approx 3/4 towards bottom of attachment, punch and back drill with #40. 11. Drill intervening holes, clecoing each third hole. 12. Repeat steps 6-11 for aft stbd wing attachment upright. 13. Open all holes with #20 bit for A5 rivets.
