Monthly Preventive Maintenance Checks and Services Chart

TM 11-6625-2405-15

3-5. Monthly Preventive Maintenance Checks and Services Chart

URGENT

3-6. Cleaning

d. Clean the transit case with a soft clean cloth. If

Inspect the exterior of the equipment. The exterior

dirt is difficult to remove, dampen the cloth with

surfaces and the case interior should be clean, and

water; mild soap may be used for more effective

free of dust, dirt, grease, and fungus.

cleaning.

a. Remove dust and loose dirt with a clean, dry,

3-7. Touch-up Painting Instructions

lint-free cloth.

a. When the finish on the breakout and termina-

WARNING

tion boxes are scarred or damaged, corrosion may

Trichloroethane fumes are toxic. Pro-

be prevented by touch-up painting of the surfaces

vide adequate ventilation. DO NOT use

as outlined below.

on the fiberglass case. DO NOT use near

(1) Use No. 000 sandpaper to clean the surface

a flame. Trichloroethane is not flammable

down to the bare metal; obtain a bright smooth

but exposure to high heat in a poorly ven-

finish.

tilated area can convert the fumes to a

(2) Sand the area back to solid paint and feather

highly toxic gas.

the paint edge that leads to the exposed metal.

b. Remove grease, fungus and ground-in dirt

(3) Wipe the area clean and apply one coat of zinc

from the breakout and termination boxes; use a

chromate metal primer FSN 8010-835-2114, and two

cloth dampened (not wet) with trichloroethane. Wipe

thin finish coats of enamel to metal surfaces.

dry with a clean cloth.

b. When a touch-up paint job is necessary, apply

c. Remove dust and dirt from cable plugs and

paint with a small brush. For the proper care of the

jacks with a brush. If necessary, apply trichloroe-

brushes and painting equipment refer to TM 9-213

thane sparingly with a brush.

and TB SIG 746-10.

Section Ill. DS AND GS MAINTENANCE

3-8. General

categories. The only test equipment required for

The DS and GS maintenance procedures supplement

electrical troubleshooting is Multimeter TS-352B/U;

the procedures described in Section II. The mainte-

all repairs can be effected using Tool Kit, Electronics

nance operations performed are the same at all

Equipment TK-105/G.

Change 1

3-2