Touchup Painting Instructions

TM 11-6625-601-12

trichoroethane is nonflammable but heat

3-11. Touchup Painting Instructions

converts the fumes to a highly toxic

Remove rust and corrosion from metal surfaces by

phosgene gas the inhalation of which

lightly sanding them with fine sandpaper. Brush

could result in serious injury or death.

two thin coats of paint on the bare metal to protect

Prolonged or repeated skin contact with

it from further corrosion. Refer to applicable

tri chloroethane can cause skin inflamm-

cleaning and refinishing practices specified in TB

ation. When necessary, use gloves, sleeves

SIG 364 and SB 11-573.

and aprons which the solvent cannot

3-12. General Troubleshooting Procedures

penetrate.

Troubleshooting procedures for the MK-733/

b. Remove grease, fungus, and ground-in dirt

ARG-54 are based upon the operational check in

from the cabinet and cover; use a cloth dampened

the monthly preventive maintenance checks and

(not wet) with trichloroethane (Federal Specifica-

services chart (para 3-6). To troubleshoot the

t i o n O-T-620C).

equipment, perform aIl functions in sequence in

c. Remove dust and other dirt from plugs and

the monthly preventive maintenance checks and

jacks with a brush.

services chart until an abnormal condition or

result is observed. When an abnormal condition or

Caution:

result is observed, refer to the applicable proce-

Do not press on the meter face (glass)

dure in the troubleshooting chart (para 3-13).

when cleaning, the meter may become

Perform the checks and corrective actions indi-

damaged.

cated in the troubleshooting chart. If the correc-

tive measures indicated do not correct the trouble,

d. Clean the front panel meter and control knobs;

higher category of maintenance is required. Para-

use a soft, clean cloth. If dirt is difficult to remove,

graph 3-14 contains information that is

dampen the cloth with water; use mild soap if

s u p p l e m e n t a r y to the troubleshooting chart.

necessary.

When a trouble sympton indicates the use of

additional procedures, reference to this paragraph

e. Remove rust or corrosion with a light grade of

will be made in the checks and corrective measures

sandpaper (No. 000), and repaint the exposed metal

column of the troubleshooting chart.

surface (para 3-11).

3-13. Troubleshooting Chart

Change 3 3-5