Section II MAINTENANCE PROCEDURES - TM-5-4120-393-140206

TM 5-4120-393-14

Section II MAINTENANCE PROCEDURES

5-2. Fabric Cover. For removal, inspection, lubrication, cleaning and installation, see para 4-27.

Repair. Minor rips, cuts, tears, or punctures may be repaired by applying a patch to the inside surface.

Replace. For damage of greater extent, or missing eyelets, or snap fasteners, replace the entire cover.

For removal, inspection, cleaning, and

5-3. Outside Covers, Panels, Grilles, Screens, and Information Plates.

installation, see the following paragraphs.

CBR (Chemical, Biological, Radiological) Cover. See para 4-29.

Condenser Fan Covers. See para 4-26.

Connector Cover Plates. See para 4-23.

Top Panel. See para 4-25.

Lower Front Panel. See para 4-24.

Condenser Coil Guard. See para 4-28.

Conditioned Air Outlet Grille. See para 4-21.

Conditioned Air Intake Grilles. See para 4-22.

i. Repair. Repairs are limited to straightening of minor dents, rewelding of broken welds, installation of loose or

missing rivets, replacement of loose or missing gaskets and insulation, paint touch up, and replacement of damaged or

missing name plates.

(1) Minor Dents. Repair minor dents using standard sheet metal repair practices.

(2) Broken Welds. Repair broken welds using standard weld repair practices.

(3) Rivets. To replace loose or missing rivets, drill old rivet out using a drill bit slightly smaller than the diameter

of old rivet body, and install replacement rivet.

(4) Gasket/Insulation. To replace or repair gasket or insulation:

(a) Remove as much old gasket or insulation material as possible by pulling or scraping it away from the

metal surface.

WARNING

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

toxic. Use a well ventilated area, wear gloves, and keep away from sparks or

flame.

(b) Soften and remove old adhesive and gasket and insulation residue, using acetone or methyl-ethyl ketone

(MEK) and a stiff brush.

item 2). Let both surfaces dry until the adhesive is tacky but will not stick to fingers.

(d) Starting with an end, carefully attach the gasket to the metal. Press into firm contact all over.

5-2