TM9-4120-370-14
TO35E9-229-1
Z
Conditioned Air Outlet Grille (para 4-29)
Z
Conditioned Air Intake Grille (para 4-30)
Z
Sound Attenuator (para 4-30)
Repair. Repairs are limited to straightening of minor dents, rewelding of broken welds, installation of loose or
b.
missing rivets, replacement of loose or missing gaskets and insulation, paint touch up, and replacement of dam-
aged or missing name plates.
(1) Repair minor dents using standard sheet metal repair practices.
(2) Repair broken welds using standard weld repair practices.
(3) To replace loose or missing rivets:
Z
Drill old rivet out using a drill bit slightly smaller than the diameter of old rivet body.
Z
Install replacement rivet.
(4) To replace or repair gasket or insulation:
Remove as much old gasket or insulation material as possible by pulling or scraping it away from the
metal surface.
Acetone and methyl-ethyl ketone (MEK) are flammable, and their vapors can be
explosive. Repeated or prolonged skin contact or inhalation of vapors can be tox-
ic. Use a well-ventilated area, wear gloves, and keep away from sparks or flame.
Z
Soften and remove old adhesive and gasket and insulation residue, using acetone or methyl-ethyl
ketone (MEK) and a stiff brush.
Coat the mating surfaces of the metal and gasket or insulation (if applicable) with adhesive, item 2,
Starting with an end, carefully attach the gasket to the metal. Press into firm contact all over.
(5) Should touch up or refinishing be necessary, see TM 43-0139, Painting Instructions for Field Use.
(6) To replace damaged or missing name plates:
Drill rivets out using a drill bit slightly smaller than the diameter of the rivet body.
Secure new name plate with replacement rivets.
5-2