REPAINTING AND REFINISHING.

TM 11-7010-201-12/ET821-AA-OMl-010/E154 MTS/TO 31S5-2TSQ73-1

(2) Do this treatment within 8 hours (but not

5-26. REPAINTING AND REFINISHING.

more than 72 hours) before applying finish.

(Shortest possible interval is preferred.)

Inspect the MTS exterior periodically to determine

(3) After treating, rinse surface with clear water

any need for repainting and refinishing.

and test treated area with clean, white cloth

Inspect the external painted surfaces of the case and

which you have wet with distilled water.

front panel assemblies for any damage.

(4) If cloth shows stains, continue wiping

If you can correct any damage with minor touchup,

surface with clean white cloths, wet with

do so according to paragraphs 5-27 and 5-28.

distilled water, until surface is completely

clean.

If any damage is extensive, refer MTS to depot

maintenance.

Before you refinish the MTS, prepare the surfaces:

clean off dirt, grease, fungus, moisture, etc.

5-28. SURFACE COATING.

R e f e r to TB 43-0118 for detailed

instructions for field touchup of

After surface preparation, coat surface according to

painted surfaces.

the following paragraphs.

5-27. SURFACE PREPARATION.

Before applying any finish, clean surface thoroughly.

a. Masking.

Do not paint:

NOTE

functional, working, or wearing

surfaces;

If you use masking tape, use

electrical grade.

Zthreads of screws;

Cover (mask) the following items:

nonmetallic areas; or

Z electrical contact areas;

contact areas of metal

components.

heat transfer areas; and

a. Prime Coat.

plastic, rubber, and working parts.

(1) Prime surface with one coat of zinc

chromate primer, according to TT-P-1757

b. Preparatory Cleaning.

(2) Air dry for 1-1/2 to 24 hours.

(1) Remove grease, oil, etc., with detergent

and clean water.

b. Top Coats.

(2) Remove minor pitting or scratches with fine-

(1) Apply first finish coat of enamel less than

grit sandpaper and then rinse with clear

24 hours after zinc chromate primer has

water.

dried.

c. Touchup Surface Treatment.

(2) Apply two coats of enamel alkyd, semi-

If surface to be treated has been damaged, do the

gloss green (color number 24410) paint,

following:

according to TT-E-529.

(1) Treat surface with class 1 A chemical

(3) Air dry (class A) or bake dry (class B).

conversion coating according to MIL-C-

ZAir dry for 24 hours between coats.

5541B and MIL-C-81706 (Amendment 4).

Bake dry for 1/2 hour at 300F between

coats.

5-128