Housing

TM5-4120-384-14

See

paragraph

4-40

for

inspection

and

service

the

housing.

a "R e p a i r .

(1) Repairs are limited to rework of broken or cracked welds,

straightening of bent or dented sheet metal and replacement of

handiest gaskets, insulation and rivnuts and some small sheet

metal parts by drilling out rivets and installation of replacement

parts.

(2) Disassemble

unit

necessary

and

make

repair

indicated.

(3)

Gasket

and

insulation

replacement.

insulation,

name

plates

identified

(a) Use only gaskets,

5-4120-384-24P.

NOTE

An initial supply of adhesive is supplied as Item 21

Section II, Expendable Supplies and Materials List.

(See Appendix E.)

(b) 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

Repeated or

and their vapors can be explosive.

prolonged skin contact or inhalation of vapors can be

Use a well-ventilated area, wear gloves, and

toxic.

keep away from sparks or flame.

using

acetone or methyl-ethyl (MEK) and a stiff brush.

(d) Coat the mating surfaces of the metal and gasket with

Let both surfaces air dry until the adhesive is tacky

adhesive.

but will not stick to fingers.

Starting with an end, carefully attach

the

gasket

(e)

Press into firm contact all over.

the

metal.

(f) Minor dents and bent edges

can

straightened

using

common sheet metal repair procedures.

6-2