SIDE WALL REPAIR OF DAMAGE WITH EXTENDED CRACKS - continued

TM 10-5411-233-13&P

CARGO BED COVER (CBC), TYPE III, 2 1/2 T CARGO TRUCK, LMTV, AND LMTV TRAILER 0021 00

UNIT MAINTENANCE

Using portable electric router equipped with a straight or spiral fluted (pull down) bit, or other aluminum

cutting equipment such as aviation metal snips, cut aluminum patch (1) one inch larger all around the

damaged area.

Layout and drill 1/8 inch (3.18 mm) holes (2) as shown.

Stop-drill all cracks (3) with No. 30 (3.27 mm) drill bit. Stop-drilling is the practice of drilling a hole at each

end of a crack to prevent it from getting larger.

Center patch (1) over damaged area and mark patch outline (4) on panel skin.

Sand all paint from damaged skin within marked area with sandpaper.

Center patch (1) over damaged area and drill No. 30 diameter holes (5) in panel skin. Use holes (2) in

patch (1) as a template.

Index patch (1) and panel skin with a mark to allow patch to be replaced in same orientation.

Deburr all drill holes (2,5).

WARNING

Methylethylketone is flammable and toxic and shall be used only in a

well-ventilated area away from all sparks or open flame. Gloves and

safety goggles should be worn during use.

Wipe damaged area and patch (1) with a clean cloth dampened in solvent and immediately wipe solvent

from surfaces with a clean, dry cloth.

Spray the repair area with an Alodine solution. Wipe the surface with a clean, dry rag.

WARNING

Two part epoxy adhesive is flammable and toxic and shall be used only

in a well-ventilated area away from all sparks or open flame. Gloves and

safety goggles should be worn during use.

Mix a quantity of the adhesive in accordance with manufacturer's instructions, components (part "A" and

part "B") sufficient for the scope of the repair in an open top container. The two adhesive components are

different colors; part "A" is yellow and part "B" is blue. When properly and completely mixed, the color of

the adhesive is green. Personnel should mix the two parts until the adhesive is a uniform green, with no

streaks of yellow or blue.

0021 00-2