TM 55-1520-240-23-4
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TRAILING EDGE REPAIR — MAJOR DAMAGE
(Continued)
5-72
c.
For adhesive (E47.1), weigh equal parts of
adhesive (E47.1) and curing agent (E158.1).
Mix until color is uniform. Use polyethylene
cup (E157) and wood spatula (E424).
14.
Apply adhesive (E40, E41, E43, or E47.1) as
follows:
NOTE
Working life of adhesive is about 30
minutes.
a.
Coat insert (9). Use a short-bristle brush.
Position insert in cutout (8).
b.
Coat bonding surfaces of doublers (10).
c.
Position hinged doublers (10) over insert (9).
Center doublers over repair and align with
trailing edge (1).
d.
Secure doublers (10). Use Teflon tape
(E399). Cover entire surface of doublers.
Overlap skin of blade underside (7) at least 3
inches in all directions.
15.
Install trailing edge bonding fixture (T116) (13)
as follows:
a.
Cover facing surfaces of fixture (T116) (13).
Use Teflon tape (E399).
b.
Install fixture (T116) (13) over trailing edge
(1). Center fixture over repair, and seat firmly
against trailing edge.
c.
Tighten wing nuts (14) on fixture (T116) (13).
Be sure fixture or repair have not moved.
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