TM 55-1520-240-23-4
5-70
REPAIR BLADE FAIRING — DOUBLE SKIN
(Continued)
5-70
20.
Insert core (19) in cutout (15). Seat it firmly on
bottom patch (20). Be careful not to push patch
away from lower skin (12).
21.
Bond a piece of abrasive paper (E7) to a sanding
block about 2 inches wide and long enough to
span the repair in a spanwise direction.
22.
Apply Teflon tape (E399) (25) around area of
finish removal.
23.
Using spanwise strokes, sand core (19) to height
of tape (E399) (25). Do not push down too hard.
If necessary, support lower patch (20) with hand.
24.
Remove tape (E399) (25) and lower patch (20).
25.
Index core (19) and skin (12). Remove core.
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