TM 55-1520-240-23-4
5-68
REPAIR BLADE FAIRING SINGLE SKIN FULL DEPTH
(Continued)
5-68
BOND FAIRING REPAIR
33.
Bond fairing repair with larger dimension less
than 5 inches as follows. If dimension is greater
than 5 inches, go to step 34.
a.
Cover repair with layer of peel ply (E270) (27)
and layer of Teflon-impregnated fabric (E170)
(28). Make layers large enough to overlap
patch (22) 1 inch.
b.
Cover Teflon-impregnated fabric (E170) (28).
Use thick rubber pad (E318) (29).
c.
Cover repair area. Use fiberglass cloth
(E132) (30). Cut cloth large enough to cover
rubber pad (E318) (29).
d.
Surround cloth (E132) (30) with sealing tape
(E396) (31). Keep tape clear of cloth.
e.
Attach tube (32) to vacuum pump hose.
f.
Wrap tube (32). Use two layers of fiberglass
cloth (E132) (33). Apply masking tape (E388)
over cloth.
g.
Position tube (32) on cloth (E132) (30)
covering repair. Wrap tube with sealing tape
(E396) (34) where tube crosses sealing tape
(31) already applied.
h.
Press tube (32) onto tape (34) to make
airtight seal.
i.
Press polyvinyl sheet (E284) (35) smoothly
onto tape (31) to make airtight seal.
5-364
