Using selected drill bit, drill through panel skin to approximate
depth of insert to be installed.
Take care not to drill through opposite skin.
Install long end of Allen wrench into drill chuck and insert short
end in predrilled hole and remove additional honeycomb core to one inch (2.54
mm) in diameter.
Leave from 1/8 in. (3.2 mm) to 1/4 in. (6.4 mm) of core at
bottom of hole.
Remove loose honeycomb and foam insulation, if applicable, from
Degrease insert by cleaning with solvent (Item 20, Appendix E).
After cleaning, handle insert with clean, white
gloves (Item 11, Appendix E).
Mask skin area around hole with masking tape (Item 22, Appendix E)
approximately 3 x 3.
Prepare aluminum plate (Item 24, Appendix E) approximately 1/8 in.
(3.2 mm) thick by 2 in. (50.8 mm) square with a center hole equal to bolt
thread outer diameter (replacement insert thread size).