TM 55-1520-240-23-4
5-70
REPAIR BLADE FAIRING — DOUBLE SKIN
(Continued)
5-70
30.
Position patch (20) over cutout. Center patch on
adhesive coat. Position patch with fibers at 45º
to blade chord. Press firmly onto skin (12).
31.
Tape patch (20) in place. Use Teflon tape (E424)
(27).
32.
Apply adhesive (E40 or E411) to honeycomb
sides of cutout (15). Use stiff brush. Wear gloves
(E186).
33.
Align match marks on core (19) and skin (12).
Insert core until seated on bottom patch. Check
that core is flush with skin.
34.
Put on gloves (E186). Apply adhesive to core
(19), blade skin area (26), where finish was
removed, and one side of patch (20). Center
patch over insert, within outline. Position patch
with fibers at 45º to blade chord. Press onto skin
(12).
35.
If wire mesh diverter damage is less than 1
square-inch, go to step 36. If wire mesh diverter
damage is more than 1 square-inch, replace
mesh as follows:
a.
Cut piece of mesh (E453) (28) to cover patch
(20) and exposed mesh (29).
b.
Brush thin coat of adhesive (E40 or E41)
over patch (20) and damaged mesh (29).
Wear gloves (E186).
c.
Position mesh (E453) (28) over patch (20).
Seat firmly. Brush more adhesive over mesh.
Fair adhesive to blade skin (12).
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