ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
(2)
Repair. To replace the acoustical insulation material In any acoustical panel or switchgear access panel,
thoroughly remove the existing material and proceed in accordance with the following general procedure.
(a)
Cut Insulation materials from bulk stock to fit panel being repaired.
(b)
Install two layers of damper (1, Figure 4-25).
(c)
Apply one coat of water base, pressure sensitive acrylic adhesive to entire surface of damper (1).
(d)
Install one layer of unfaced fiberglass absorber (2) onto coated surface
(e)
Apply one coat of water base, pressure sensitive acrylic adhesive to entire surface of unfaced fiberglass
absorber (2).
(f)
Install one layer of barrier (3) onto coated surface.
(g)
Apply one coat of water base, pressure sensitive acrylic adhesive to entire surface of barrier (3).
(h)
Install faced fiberglass absorber (4) onto coated surface so that unfaced side Is against adhesive coat.
4-63
