REPAIR LIGHTNING PROTECTION STRIP UNBONDING
Find size of unbonded area (1). Use shim 0.005
inch thick. Outline unbonded area. Use chalk
(E111). Voids that do not reach edge require
Remove adhesive fairing (6) next to unbonded
area (1). Use utility knife.
Apply Teflon tape (E399) (2) to lightning
protection strip (3) in unbonded area (1).
Cut aluminum foil (E366) (4) to outline shape of
unbonded area (1). Secure foil with Teflon tape
Open unbonded area (1). Use shim 0.005 inch
Have helpers position blade (7) so unbonded
area (1) is lower than lightning protection strip (3).
Acetone (E20) is extremely flammable.
It can be toxic. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
Keep away from heat, sparks, or open
flame. In case of contact, immediately
flush skin or eyes with water for
at least 15 minutes. Get medical
attention for eyes.
Flush unbonded area (1) with acetone (E20) until
acetone runs clear. Use squeeze bottle (E366).
Wear gloves (E186). Allow to dry for 15 minutes.
Prepackaged adhesive (E40) is
preferred. Use adhesive (E41 or
E47.1) only if prepackaged kit is not
Mix tube of adhesive (E40). Follow instructions
If adhesive (E40) is not available, prepare
adhesive (E41) as follows:
Weigh 100 parts of resin and 23 parts of
hardener. Use trip balance.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
Working life of adhesive is 30