TM 55-1520-240-23-4
5-70
REPAIR BLADE FAIRING — DOUBLE SKIN
(Continued)
5-70
BOND FAIRING REPAIR
36.
Bond fairing repair as follows:
NOTE
Wear gloves (E186) for all steps.
a.
Cover repairs with layers of peel ply (E270)
(30) and layers of Teflon-impregnated fabric
(E170) (31). Make layers large enough to
overlap patch 1 inch.
b.
Cover Teflon-impregnated fabric (E170). Use
thick rubber pad (E318) (32).
c.
Cover repair areas. Use fiberglass cloth
(E130) (33). Cut cloth large enough to cover
rubber pad (E318) (32). Overlap cloth over
trailing edge onto opposite patch.
d.
Border cloth (E130) (33) on three sides with
sealing tape (E396) (34). Keep tape clear
of cloth. Apply tape around trailing edge to
other side.
e.
Attach two tubes (35) to vacuum pump hose.
f.
Wrap each tube (35). Use two layers of
fiberglass cloth (E130) (36). Secure cloth to
tube with masking tape (E388).
g.
Position one tube (35) on cloth (E170) (33)
covering repair on top and bottom of blade.
Wrap each tube with sealing tape (E388)
(37) where tube crosses sealing tape already
applied.
h.
Press tubes (35) onto tape (34) to make
airtight seal.
i.
Press polyvinyl sheet (E284) (38) smoothly
onto tape (34) to make airtight seal.
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