CHAPTER 4 ORGANIZATIONAL MAINTENANCE

TM 11-6625-922-15

CHAPTER 4

ORGANIZATIONAL MAINTENANCE

Section I. PREVENTIVE MAINTENANCE

Warning: Prolonged breathing of

4-1. Scope of Maintenance

cleaning compound is dangerous;

General.

Operator and organizational

make sure that adequate ventilation

maintenance is the systematic care, servicing, and

is provided. Cleaning compound is

inspection of equipment to prevent the occurrence of

flammable; do not use near a flame.

trouble, to reduce downtime, and to maintain the

Avoid contact with the skin; wash off

equipment in serviceable condition.

Preventive

any that spills on your hands.

maintenance procedures are performed daily (para 4-2),

monthly (para 4-3), and quarterly (para 4-4).

(1) Use a dry, clean, lint-free cloth or brush to

Troubleshooting procedures are provided in paragraph

remove dust and dirt. If necessary, moisten the cloth or

4-6. Defects that cannot be corrected by organizational

brush with cleaning compound (Federal stock No. 6850-

maintenance personnel must be reported to higher

597-9742). After cleaning, wipe dry with a clean cloth.

category maintenance personnel. Records and reports

of repairs and preventive maintenance must be made in

Warning:

Compressed

air

accordance with procedures given in TM 38-750.

dangerous and can cause serious

bodily harm.

It can also cause

b. Preventive Maintenance Checks and Services

mechanical damage to the equip-

Periods. Preventive maintenance checks and services

ment. Do not use compressed air to

are required daily (para 4-2), monthly (para 4-3), and

dry parts where cleaning compound

quarterly (para 4-4). These checks must be performed

has been used.

during the specified periods. In addition, the daily

checks and services must be performed under the

(2) Dry, compressed air, not to exceed 60

following conditions:

pounds per square inch, may be used to remove dirt and

dust from inaccessible places.

(1) When the equipment is initially installed.

(2) When the equipment is reinstalled after

d. Touchup Painting. Remove rust and corrosion

removal for any reason.

from metal surfaces by lightly sanding them with

(3) At least once each week if the equipment is

sandpaper. Brush two thin coats of paint on bare metal

maintained awhile shut down.

to protect it from further corrosion. Refer to the

applicable cleaning and refinishing practices specified in

c. Cleaning.

TB SIG 364.

4-2. Operator's Daily Preventive Maintenance Checks and Services Chart

Sequence

No.

Item to be inspected

Procedure

References

Exterior surfaces ................

Clean outside of cases, front panels,

Para 4-1c.

and meter faces.

Cable connections..............

Check all cable connections and finger-

None.

tighten if necessary.

Signal and power cables

Tighten loose connections of plugs

None.

and cords.

and connectors. Check to see that

insulation is not cut; remove kinks

and strain.

Indicator lamp ....................

See that the POWER ON indicator

Fig. 3-1.

lamp is lighted when the POWER

switch is operated to ON.

4-1