SECTION II. PROCEDURE

e. Epoxy plastics provide a superior repair for

breathing of glass dust particles.

Wash hands

thoroughly after working with Epoxy plastic

areas subject to vibration, mechanical shock and

b. Necessary tools are contained in the "Metal

abrasion.

Body Repairman" basic tool set 5180-357-7731 or

5180-754-0643.

3. General.

All plastic repairs will be

c. Auto body and fender repairing calls for a high

accomplished at 3d echelon or higher.

degree of skill and proficiency with hand tools on the

Caution: Adequate, ventilation

part of the body repairman (MOS040-201

must be

provided.

Gloves, eye

shield and respirator must be used.

Silicosis could result from continued

SECTION II

PROCEDURE

Caution: Do not add solvents of any

4. Prepare the Surface. a. Bump out metal in

damaged area (fig. 1) with body hammer and hand dolly

type to Epoxy plastic. Keep cans

block.

closed tight when not in use. Always

b. Remove all paint and rust from damaged area.

wear gloves when using Epoxy

Using a rotary grinder (fig. 2) with No. 36 grit disc, clean

plastic. Epoxy plastic that sets on

and roughen damaged area to the bare metal.

fingers or skin may lead to dermatitis.

c. File damaged area (using vixen blade) (fig. 3),

Removal is difficult and may have to

bring up and align all defects except those sharp dings

wear off. Do not use solvent or

that will be filled with Epoxy plastic.

stripper.

d. Large holes (greater than /4i inch in any

dimension) should be welded (TM 9-237) or inserts in

Warming the

6. Preheat Surface Area.

form of metal backing secured with metal screws should

damaged area metal prior to application of Epoxy plastic

be used. Heads of metal screws must be below original

eases application and improves adhesion.

contour of area being repaired.

b. Two methods of heat application may be used.

(1) Heat lamps (fig. 5) 10-12 inches from repair

5. Preparing Epoxy Plastic. a. Different colors

area; time approximately 5 minutes. This is

in resin and hardener are incorporated to help attain a

the preferred method.

thorough mixture of the two materials. When thoroughly

Note. Always sand and clean the

mixed, the mixture will have a uniform color. Improper

repair area of rust, dust, and oil

mixture will cause soft spots, stains and irregular curing

residue

before

either

warming

of Epoxy plastic.

method is utilized.

b. Mix resin and hardener on clean non-absorbent

(2) "Flashing" the repair area with a torch

surface (fig. 4).

(fig. 6) for approximately 1015 seconds.

(1) Always use equal amounts of the resin and

This method should be used only when heat

hardener.

lamps are not available. Never use this

(2) Due to the short pot-life (approximately 2

method on any van-type bodies.

hours) of the mixed Epoxy plastic, mix only

Warning: Due to possibility of

enough of the resin and hardener to

explosive

fumes

accumulating

complete repair of the damaged area.

between the walls of a double-wall

(3) Care should be used in mixing to prevent air

van-body this method will not be

entrapment (bubbles).

When thoroughly

used.

mixed Epoxy plastic will not flow when

applied to a vertical surface.

7. Application of Epoxy Plastic. a. Apply Epoxy

plastic mixture with a putty knife (fig. 7) or rubber

squeegee. Apply in thin layers,

TAGO 6810A