TM 9-4120-399-14
6-3. CASING, REPAIR. (Continued).
(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) (Appendix E, item 25) 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) Cut to size.
(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 metal and the insulation with adhesive (Appendix
fingers.
(d) Starting with an end, carefully attach the insulation to the metal. Press into firm
contact all over.
6-4. CASING, REPLACE
Replacement consists of removing all attaching hardware and reinstalling it on new casing.
