TM 9-4120-404-14
5-2. HOUSING REPAIR. (Continued.)
b. Installation, Casing.
(1) Inspection. Check that insulation is not loose, missing, burnt, or otherwise damaged. Replace if missing
or damaged. Reglue if loose.
(2) Removal.
NOTE
Prior to removal of old insulation, cut the new replacement material to size using
the old item as a sample.
(a) Remove as much old insulation material as possible, by pulling or scraping it away from the metal
surface.
WARNING
Methyl-ethyl ketone (MEK) is flammable, and its vapors can be explosive.
Repeated or prolonged skin contact or inhalation of vapors can be toxic. Use a
well ventilated area, wear gloves, and keep away from sparks or flame.
(b) Soften and remove old adhesive and insulation residue, using methyl-ethyl ketone (MEK) and a stiff
brush.
(3) Installation.
NOTE
Prior to removal of old insulation, cut the new replacement material to size using
the old item as a sample.
(a) Refer to Appendix F and manufacture the required insulation part needed.
(b) Be sure that the surface to which the insulation is to be applied is clean and free of paint and old
adhesive material.
(c) Coat the mating surfaces of the m etal and the insulation with adhesive. Let both surfaces air dry until
the adhesive is tacky, but will not stick to the fingers.
(d) Starting with an end, carefully attach the insulation to the metal. Press into firm contact all over.
c. Housing Replacement.
Replacement consists of removing all attaching hardware and reinstalling it on new casing.
5-2